阅读说明：本技术 可适用于化工生产的花生烯酸装置及其提取方法 (Arachidonic acid device suitable for chemical production and extraction method thereof ) 是由 何宗明 于 2021-10-14 设计创作，主要内容包括：本发明涉及花生烯酸技术领域,提供了可适用于化工生产的花生烯酸装置,包括外壳,所述外壳内部活动连接有转轴,所述转轴左端活动连接有受力块,所述受力块另一端固定连接有缓冲弹簧,所述缓冲弹簧左侧固定连接有推动块,所述推动块左端活动连接有移动块,所述移动块左侧活动连接有压缩弹簧,所述移动块顶部活动连接有活动杆,所述活动杆另一端活动连接有转盘。通过外壳逐渐做离心运动,当外壳逐渐向左移动时,从而使得转轴与受力块之间不再有接触,进而使得外壳内部混合溶液不再晃动,只有离心力的作用,从而达到在对花生烯酸进行提取时,缩短内部提取步骤,节省大量时间,同时减小溶液的过多次数的转移,防止有杂质落入的效果。(The invention relates to the technical field of arachidonic acid, and provides an arachidonic acid device applicable to chemical production, which comprises a shell, wherein a rotating shaft is movably connected in the shell, the left end of the rotating shaft is movably connected with a stress block, the other end of the stress block is fixedly connected with a buffer spring, the left side of the buffer spring is fixedly connected with a pushing block, the left end of the pushing block is movably connected with a moving block, the left side of the moving block is movably connected with a compression spring, the top of the moving block is movably connected with a moving rod, and the other end of the moving rod is movably connected with a turntable. Do centrifugal motion gradually through the shell, when the shell removes left gradually to make no longer have the contact between pivot and the atress piece, and then make the inside mixed solution of shell no longer rock, only the effect of centrifugal force, thereby reach when drawing the peanut olefine acid, shorten inside and draw the step, save a large amount of time, reduce the transfer of the too many times of solution simultaneously, prevent to have the effect that impurity fell into.)

1. Applicable arachidonic acid device in chemical production, including shell (1), its characterized in that: the inner part of the shell (1) is movably connected with a rotating shaft (2), the left end of the rotating shaft (2) is movably connected with a stressed block (3), the other end of the stressed block (3) is fixedly connected with a buffer spring (4), the left side of the buffer spring (4) is fixedly connected with a pushing block (5), the left end of the pushing block (5) is movably connected with a movable block (6), the left side of the movable block (6) is movably connected with a compression spring (7), the top of the movable block (6) is movably connected with a movable rod (8), the other end of the movable rod (8) is movably connected with a rotary table (9), the left side of the rotary table (9) is movably connected with a push rod (10), one end of the push rod (10) far away from the rotary table (9) is movably connected with a guide block (11), the left end of the guide block (11) is movably connected with an extension spring (12), and the lower end of the guide block (11) is movably connected with a return spring (13), shell (1) upper end fixedly connected with connecting rod (14), one end fixedly connected with fixed block (15) of shell (1) are kept away from in connecting rod (14), fixed block (15) right side swing joint has pull rod (16), pull rod (16) upper end swing joint has joint ring (17), joint ring (17) front end swing joint has button (18), button (18) rear end fixedly connected with gathers can spring (20), button (18) left end swing joint has dwang (19), dwang (19) other end swing joint has bearing block (21), bearing block (21) rear end fixed mounting has latch (22), joint ring (17) axle center department swing joint has guide pillar (23).

2. The apparatus of claim 1, wherein the apparatus is adapted for chemical production of arachidonic acid, and comprises: the outer surface of the rotating shaft (2) is fixedly provided with a convex block, and the right end of the stress block (3) is arc-shaped.

3. The apparatus of claim 1, wherein the apparatus is adapted for chemical production of arachidonic acid, and comprises: the two moving blocks (6) are respectively positioned at the upper end and the lower end of the pushing block (5), and the moving block (6) is positioned at the right end of the return spring (13).

4. The apparatus of claim 1, wherein the apparatus is adapted for chemical production of arachidonic acid, and comprises: the guide block (11) is located at the left end of the inner wall of the shell (1), and the guide block (11) is located at the left end of the compression spring (7).

5. The apparatus of claim 1, wherein the apparatus is adapted for chemical production of arachidonic acid, and comprises: latch (22) rear end is located joint ring (17) inner wall, latch (22) are elastic material, joint ring (17) are the ring type, it is inside that joint ring (17) are located to hold joint piece (21).

6. The apparatus of claim 1, wherein the apparatus is adapted for chemical production of arachidonic acid, and comprises: the middle part of the outer surface of the guide post (23) is fixedly provided with a convex ring, and the outer surface of the guide post (23) is fixedly provided with teeth.

7. The apparatus of claim 1, wherein the apparatus is adapted for chemical production of arachidonic acid, and comprises: the rotating speed of the rotating shaft (2) is different from that of the shell (1), and the lower end of the guide post (23) is fixedly connected with the inside of the shell (1).

8. The method for extracting the arachidonic acid applicable to chemical production is characterized by comprising the following specific steps:

s1, when the work is started, when the arachidonic acid is required to be extracted, the organic solvent and the raw materials are required to be mixed together and are put into the shell (1), the organic solvent and the raw materials are positioned between the extension spring (12) and the reset spring (13), the external driving source is opened at the moment, the shell (1) starts to rotate, and meanwhile, the rotating shaft (2) is driven to rotate through the transmission of the internal gear, so that the rotating speed of the rotating shaft (2) is higher than that of the shell (1), the rotating shaft (2) is in the rotating process, under the relative condition, the lug on the outer surface of the rotating shaft (2) pushes the stressed block (3) discontinuously, and the stressed block (3) performs left-right reciprocating motion.

S2, when the stress block (3) moves leftwards, an extrusion force is applied to the buffer spring (4), meanwhile, the stress block (3) extrudes the spring at the upper end of the stress block (3), preparation is made for the return of the stress block (3), when the stress block (3) drives the pushing block (5) to move leftwards through the buffer spring (4), an upward thrust is applied to the moving block (6), the moving block (6) moves upwards, and then pressure is applied to the compression spring (7), so that the compression spring (7) is stressed and compressed, elastic potential energy is gathered inside, preparation is made for the return of the moving block (6), meanwhile, the moving block (6) moves upwards, the turntable (9) rotates through the movable rod (8), and then a thrust is applied to the push rod (10), so that the push rod (10) moves downwards, and then the guide block (11) is driven to move downwards together, and thus a pressure is applied to the stretching spring (12), the interior of the extension spring (12) is stressed and compressed, and meanwhile, when the guide block (11) moves downwards, the mixed solution is driven to move downwards together, and meanwhile, the return spring (13) is extruded, so that the mixed solution can be reset;

s3, because the stress block (3) always reciprocates, the mixed solution is enabled to continuously shake in the shell (1) through the transmission of an internal structure, the mixed solution is enabled to be fully mixed with the insoluble solution, and simultaneously, the shell (1) rotates along with the shell, so that the shell (1) gradually makes centrifugal motion, when the shell (1) gradually moves leftwards, the rotating shaft (2) is enabled not to be in contact with the stress block (3), the mixed solution in the shell (1) is enabled not to shake any more, and only centrifugal force is applied, so that when the peanut olefine acid is extracted, the internal extraction step is shortened, a large amount of time is saved, meanwhile, the transfer of excessive times of the solution is reduced, and the effect of preventing impurities from falling into the peanut olefine acid is achieved;

s4, when the shell (1) relatively moves leftwards under the action of centrifugal force, the connecting rod (14) is driven to move leftwards together, and then the fixing block (15) has a leftward pulling force on the pull rod (16), so that the left end of the pull rod (16) moves leftwards, because the pull rod (16) is an inclined rod, the upper end of the pull rod (16) moves downwards, and then the clamping ring (17) also moves downwards, when the clamping ring (17) moves downwards, teeth are fixedly arranged on the outer surface of the guide post (23), and because the teeth on the outer surface of the guide post (23) face downwards, when the clamping ring (17) moves downwards, because the clamping teeth (22) are made of elastic materials, the clamping ring can automatically move downwards, but only can move in a single direction because of the teeth facing, and when the centrifugal movement of the shell (1) is finished, because the clamping ring (17) is limited, so that the rotating speed of the shell (1) is reduced, still remaining in the position furthest from the axis of rotation (2);

s5, when centrifugal motion stops completely, take off the separating medium, press button (18) simultaneously, make button (18) backward movement, and then drive dwang (19) have a thrust to accepting piece (21), make accepting piece (21) move left, it also moves left to drive latch (22) front end simultaneously, thereby make latch (22) contract to joint ring (17) inside, and then make joint ring (17) resume the original position, thereby reach when inside is in centrifugal motion, carry out the maximum position to the centrifugation material voluntarily and prescribe a limit to, increase centrifugal effect, prevent simultaneously that inner mechanism from causing the negative effects.

Technical Field

The invention relates to the technical field of arachidonic acid, in particular to an arachidonic acid device suitable for chemical production and an extraction method thereof.

Background

With the development of the era, the living standard of people is gradually improved, so that the modern times step into the scientific and technological era, nutrient solution in various plants is extracted, and organic matters capable of effectively helping people to provide required organic matters are obtained, so that the safety of a human body is guaranteed, wherein the arachidonic acid is one of the nutrient solution, and has important regulating effects on the metabolism of lipid protein, hemorheology, vascular elasticity, leukocyte function, platelet activation and the like.

However, the extraction of the arachidonic acid is generally performed by an organic solvent extraction method, wherein an organic solvent is added into a fermentation liquid, the mixture is vibrated by shaking in the middle, and then is separated by centrifugation, but the steps need a lot of time consumption, and other impurities are likely to be mistakenly introduced into the solution in the transfer process after the shaking is completed, so that the processing quality is poor.

Therefore, the demand for high-reliability products is urgent, and the device and the extraction method for the arachidonic acid applicable to chemical production are provided, so that the device and the extraction method have the effects of shortening the processing steps, improving the speed, preventing the solution from mixing other impurities and automatically limiting the position.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an arachidonic acid device applicable to chemical production and an extraction method thereof, which have the advantages of shortening processing steps, improving the speed, preventing solution from being mixed with other impurities and automatically limiting, and solves the problems that the extraction of the arachidonic acid is generally realized by adding an organic solvent into fermentation liquor through an organic solvent extraction method, the mixture is vibrated and shaken in the middle, and then is separated through centrifugation, but the steps need a lot of time consumption, and simultaneously, other impurities are possibly mistakenly mixed into the solution in the transfer process after the vibration is finished, so that the processing quality is poor.

(II) technical scheme

In order to achieve the purposes of shortening the processing steps, improving the speed, preventing the solution from mixing other impurities and automatically limiting, the invention provides the following technical scheme: the arachidonic acid device applicable to chemical production comprises a shell, wherein a rotating shaft is movably connected in the shell, the left end of the rotating shaft is movably connected with a stress block, the other end of the stress block is fixedly connected with a buffer spring, the left side of the buffer spring is fixedly connected with a pushing block, the left end of the pushing block is movably connected with a movable block, the left side of the movable block is movably connected with a compression spring, the top of the movable block is movably connected with a movable rod, the other end of the movable rod is movably connected with a rotary disc, the left side of the rotary disc is movably connected with a push rod, one end of the push rod, which is far away from the rotary disc, is movably connected with a guide block, the left end of the guide block is movably connected with an extension spring, the lower end of the guide block is movably connected with a return spring, the upper end of the shell is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the shell, is fixedly connected with a fixed block, and the right side of the fixed block is movably connected with a pull rod, the utility model discloses a pull rod, including pull rod, clamping ring, button, bearing block, clamping ring, draw rod upper end swing joint has the clamping ring, clamping ring front end swing joint has the button, button rear end fixedly connected with gathers can the spring, button left end swing joint has the dwang, dwang other end swing joint has the bearing block, bearing block rear end fixed mounting has the latch, clamping ring axle center department swing joint has the guide pillar.

Furthermore, a convex block is fixedly installed on the outer surface of the rotating shaft, and the right end of the stress block is arc-shaped.

Furthermore, the number of the moving blocks is two, the two moving blocks are respectively located at the upper end and the lower end of the pushing block, and the moving block is located at the right end of the return spring.

Furthermore, the guide block is located at the left end of the inner wall of the shell, and the guide block is located at the left end of the compression spring.

Furthermore, the latch rear end is located joint ring inner wall, the latch is elastic material, the joint ring is the ring type, the bearing block is located inside the joint ring.

Furthermore, a convex ring is fixedly installed in the middle of the outer surface of the guide pillar, and teeth are fixedly installed on the outer surface of the guide pillar.

Furthermore, the rotating speed of the rotating shaft is different from that of the shell, and the lower end of the guide post is fixedly connected with the inside of the shell.

The method for extracting the arachidonic acid applicable to chemical production comprises the following specific steps:

s1, when the operation starts, when the arachidonic acid needs to be extracted, the needed organic solvent and the raw material are mixed together and are put into the shell and positioned between the extension spring and the return spring, at the moment, the external driving source is opened to enable the shell to start to rotate, and meanwhile, the rotating shaft is driven to rotate through the transmission of the internal gear, so that the rotating speed of the rotating shaft is higher than that of the shell, and therefore, in the rotating process of the rotating shaft, the stress block does left and right reciprocating motion through the intermittent thrust of the convex block on the outer surface of the rotating shaft to the stress block under the relative condition;

s2, when the force bearing block moves leftwards, there is an extrusion force to the buffer spring, and at the same time, the force bearing block extrudes the spring at the upper end of the force bearing block, to prepare for the return of the force bearing block, as the force bearing block drives the pushing block to move leftwards through the buffer spring, there is an upward thrust to the moving block, so that the moving block moves upwards, and further there is a pressure to the compression spring, so that the compression spring is compressed by the force bearing inside, thereby gathering the elastic potential energy inside, to prepare for the reset of the moving block, at the same time, the moving block moves upwards to make the rotating disc rotate through the movable rod, and further there is a thrust to the push rod, so that the push rod moves downwards, and further drives the guide block to move downwards, thereby there is a pressure to the extension spring, so that the extension spring is compressed by the force bearing inside, and at the same time, when the guide block moves downwards, the mixed solution is driven to move downwards together, and at the reset spring is extruded at the same time, so that the mixed solution can be reset;

s3, because the stress block always reciprocates, the mixed solution continuously shakes inside the shell through the transmission of the internal structure, so that the mixed solution is fully mixed without dissolved solution, and simultaneously the shell gradually rotates along with the rotation of the shell, so that the shell gradually does centrifugal motion, when the shell gradually moves leftwards, the rotating shaft is not in contact with the stress block any more, so that the mixed solution inside the shell does not shake any more, and only has the effect of centrifugal force, thereby achieving the effects of shortening the internal extraction step, saving a large amount of time, simultaneously reducing the transfer of excessive times of the solution and preventing impurities from falling into the mixed solution when extracting the arachidic acid;

s4, when the shell relatively moves leftwards under the action of centrifugal force, the connecting rod is driven to move leftwards together, and then the fixing block has a leftward pulling force on the pull rod, so that the left end of the pull rod moves leftwards, the upper end of the pull rod moves downwards due to the fact that the pull rod is an inclined rod, the clamping ring also moves downwards due to the fact that the upper end of the pull rod moves downwards, when the clamping ring moves downwards, teeth are fixedly arranged on the outer surface of the guide post, and the teeth face downwards on the outer surface of the guide post, so that when the clamping ring moves downwards, the clamping ring can automatically move downwards due to the fact that the clamping teeth are made of elastic materials, the clamping ring can only move in a single direction due to the orientation, and when the centrifugal motion of the shell is finished, the clamping ring is limited, so that the shell is still kept at the position farthest from the rotating shaft when the rotating speed is reduced;

s5, when centrifugal motion stops completely, take off the separating medium, press the button simultaneously, make the button move backward, and then drive the bull stick and have a thrust to the bearing piece, make the bearing piece move left, it also moves left to drive the latch front end simultaneously, thereby make the latch to inside shrink of joint ring, and then make the joint ring resume the original position, thereby reach when inside is in centrifugal motion, carry out the maximum position to centrifugal material voluntarily and prescribe a limit to, increase centrifugal effect, prevent simultaneously that inner mechanism from causing the negative effects.

(III) advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. this it is applicable in chemical production's arachidonic acid device and extraction method, through always being reciprocating motion because of the atress piece, transmission through inner structure, make mixed solution rock in the inside continuation of shell, make your insoluble liquid intensive mixing of volume, simultaneously along with the shell rotates, thereby make the shell be centrifugal motion gradually, when the shell removes left gradually, thereby make no longer there is the contact between pivot and the atress piece, and then make the inside mixed solution of shell no longer rock, only there is the effect of centrifugal force, thereby reach when extracting the arachidonic acid, shorten inside and draw the step, save plenty of time, reduce the transfer of the too many times of solution simultaneously, prevent to have the effect that impurity fell into.

2. This it is applicable in chemical production's arachidonic acid device and extraction method, when centrifugal motion stops completely, take off the parting liquid, press the button simultaneously, make the button backward move, and then it has a thrust to the piece that holds to drive the bull stick, make the piece that holds to move left, it also moves left to drive the latch front end simultaneously, thereby make the latch to the inside shrink that contracts of joint ring, and then make the joint ring resume original position, thereby reach when inside is in centrifugal motion, carry out the maximum position to centrifugal material voluntarily and prescribe a limit to, increase centrifugal effect, prevent simultaneously that inner mechanism from causing the negative effects.

Drawings

FIG. 1 is a front view of the housing structure of the present invention;

FIG. 2 is a partial schematic view of a guide block structure according to the present invention;

FIG. 3 is a partial schematic view of a turntable configuration according to the present invention;

FIG. 4 is a partial view of a anchor block according to the present invention;

FIG. 5 is a partial schematic view of a snap ring structure according to the present invention;

FIG. 6 is a three-dimensional schematic view of the structure of the guide pillar of the present invention.

In the figure: 1. a housing; 2. a rotating shaft; 3. a stress block; 4. a buffer spring; 5. a pushing block; 6. a moving block; 7. a compression spring; 8. a movable rod; 9. a turntable; 10. a push rod; 11. a guide block; 12. an extension spring; 13. a return spring; 14. a connecting rod; 15. a fixed block; 16. a pull rod; 17. a snap ring; 18. a button; 19. rotating the rod; 20. an energy-gathering spring; 21. a bearing block; 22. clamping teeth; 23. and (6) a guide pillar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an arachidonic acid device suitable for chemical production comprises a housing 1, a rotating shaft 2 movably connected inside the housing 1, the rotating speed of the rotating shaft 2 is different from that of the housing 1, the lower end of a guide post 23 is fixedly connected with the inside of the housing 1, a convex block is fixedly installed on the outer surface of the rotating shaft 2, and the right end of a stress block 3 is arc-shaped.

2 left end swing joint of pivot has atress piece 3, 3 other ends fixedly connected with buffer spring 4 of atress piece, and buffer spring 4 left side fixedly connected with promotes piece 5, promotes 5 left ends swing joint of piece and has the movable block 6, and movable block 6 has two, is located respectively and promotes both ends about 5, and movable block 6 is located reset spring 13 right-hand member, and movable block 6 left side swing joint has compression spring 7, and movable block 6 top swing joint has movable rod 8.

8 other ends of movable rod swing joint have carousel 9, carousel 9 left side swing joint has push rod 10, the one end swing joint that carousel 9 was kept away from to push rod 10 has guide block 11, guide block 11 is located 1 inner wall left end of shell, guide block 11 is located compression spring 7 left end, 11 left end swing joint of guide block has extension spring 12, 11 lower extreme swing joint of guide block has reset spring 13, 1 upper end fixedly connected with connecting rod 14 of shell, the one end fixedly connected with fixed block 15 of shell 1 is kept away from to connecting rod 14, 15 right sides swing joint of fixed block has pull rod 16, 16 upper end swing joint of pull rod has joint ring 17, 17 front end swing joint of joint ring has button 18.

18 rear end fixedly connected with of button gathers can spring 20, 18 left end swing joint of button has dwang 19, 19 other end swing joint of dwang has a piece 21 that holds, 21 rear end fixed mounting of piece that holds has latch 22, latch 22 rear end is located joint ring 17 inner wall, latch 22 is elastic material, joint ring 17 is the ring type, it is inside that piece 21 that holds is located joint ring 17, 17 axle center swing joint of joint ring has guide pillar 23, guide pillar 23 surface middle part fixed mounting has the bulge loop, guide pillar 23 surface fixed mounting has tooth.

The method for extracting the arachidonic acid applicable to chemical production comprises the following specific steps:

s1, when the operation starts, when the arachidonic acid needs to be extracted, the needed organic solvent and the raw materials are mixed together and are put into the shell 1 and positioned between the extension spring 12 and the return spring 13, at the moment, the external driving source is opened to enable the shell 1 to start to rotate, and simultaneously, the rotating shaft 2 is driven to rotate through the transmission of the internal gear, so that the rotating speed of the rotating shaft 2 is higher than that of the shell 1, and the stressed block 3 is enabled to do left-right reciprocating motion through the intermittent thrust of the convex blocks on the outer surface of the rotating shaft 2 on the stressed block 3 in the rotating process of the rotating shaft 2 under the relative condition;

s2, when the force bearing block 3 moves leftwards, there is an extrusion force to the buffer spring 4, and at the same time, the force bearing block 3 extrudes the spring at the upper end of the force bearing block 3, so as to prepare for the return of the force bearing block 3, as the force bearing block 3 drives the pushing block 5 to move leftwards through the buffer spring 4, there is an upward thrust to the moving block 6, so that the moving block 6 moves upwards, and further there is a pressure to the compression spring 7, so that the compression spring 7 is compressed by the internal force, thereby gathering the elastic potential energy internally, so as to prepare for the reset of the moving block 6, and at the same time, the moving block 6 moves upwards, so that the turntable 9 rotates through the movable rod 8, and further there is a thrust to the push rod 10, so that the push rod 10 moves downwards, and further drives the guide block 11 to move downwards together, thereby there is a pressure to the extension spring 12, so that the extension spring 12 is compressed by the internal force, and at the same time, when the guide block 11 moves downwards, the mixed solution is driven to move downwards together, and meanwhile, the return spring 13 is extruded, so that the mixed solution can be reset;

s3, because the stress block 3 always reciprocates, the mixed solution continuously shakes in the shell 1 through the transmission of the internal structure, so that the solution is not dissolved in the solution and is fully mixed, and simultaneously, the shell 1 gradually does centrifugal motion along with the rotation of the shell 1, when the shell 1 gradually moves leftwards, the rotating shaft 2 and the stress block 3 are not in contact any more, so that the mixed solution in the shell 1 does not shake any more, and only has the effect of centrifugal force, thereby achieving the purposes of shortening the internal extraction step, saving a large amount of time, simultaneously reducing the transfer of excessive times of the solution and preventing impurities from falling into the solution;

s4, when the shell 1 relatively moves leftwards under the action of centrifugal force, the connecting rod 14 is driven to move leftwards together, and then the fixing block 15 has a leftward pulling force on the pull rod 16, so that the left end of the pull rod 16 moves leftwards, and because the pull rod 16 is an inclined rod, the upper end of the pull rod 16 moves downwards, and further the clamping ring 17 is pulled to move downwards, when the clamping ring 17 moves downwards, teeth are fixedly arranged on the outer surface of the guide post 23, and because the teeth on the outer surface of the guide post 23 face downwards, when the clamping ring 17 moves downwards, the clamping teeth 22 are made of elastic materials, so that the clamping ring can automatically move downwards, but only can move in a single direction due to the orientation of the teeth, and along with the completion of the centrifugal motion of the shell 1, the clamping ring 17 is limited, so that the shell 1 is still kept at the farthest position from the rotating shaft 2 when the rotating speed is reduced;

s5, when centrifugal motion stops completely, take off the separating medium, press button 18 simultaneously, make button 18 move backward, and then it has a thrust to hold the piece 21 to drive dwang 19, make to hold the piece 21 and move left, it also moves left to drive the latch 22 front end simultaneously, thereby make latch 22 contract to joint ring 17 inside, and then make joint ring 17 resume the original position, thereby reach when inside is in centrifugal motion, carry out the maximum position to centrifugal material voluntarily and prescribe a limit to, increase centrifugal effect, prevent simultaneously that internal mechanism from causing the negative effects.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.