阅读说明：本技术 一种可调节式雾炮机 (Adjustable fog gun machine ) 是由 蒋海燕 于 2021-09-27 设计创作，主要内容包括：本发明涉及环保降尘技术领域,且公开了一种可调节式雾炮机,包括底板,所述底板顶部的两侧固定安装有垫板且垫板的数量为两个,所述垫板顶部且靠近一端的位置上均固定安装有旋转伸缩架,所述旋转伸缩架的活动套接安装有旋转支撑座Ⅰ,所述旋转支撑座Ⅰ的顶部固定安装有支撑板,所述支撑板底部且靠近一端的位置上固定安装有旋转支撑座Ⅱ。通过该装置喷射的水雾密度能够更具孔径板的开口程度自动进行调节,使得喷嘴能够安装在喷雾套筒内部的深度,从而使水雾在喷雾套筒内部在气流的作用下进行加速的时间延长,使其在从喷雾套筒中脱离后具有更大的动能,从而使水雾的喷射距离更远,覆盖范围更广,进一步提高了该装置的实用性。(The invention relates to the technical field of environmental protection and dust fall, and discloses an adjustable fog gun machine which comprises a bottom plate, wherein two backing plates are fixedly arranged on two sides of the top of the bottom plate, the number of the backing plates is two, rotary expansion brackets are fixedly arranged on positions, close to one ends, of the tops of the backing plates, rotary supporting seats I are movably sleeved on the rotary expansion brackets, supporting plates are fixedly arranged on the tops of the rotary supporting seats I, and rotary supporting seats II are fixedly arranged on positions, close to one ends, of the bottoms of the supporting plates. The opening degree of the aperture plate can be automatically adjusted according to the water mist density sprayed by the device, so that the nozzle can be installed at the depth inside the spraying sleeve, the time of acceleration of the water mist inside the spraying sleeve under the action of the air flow is prolonged, the water mist has larger kinetic energy after being separated from the spraying sleeve, the spraying distance of the water mist is further, the coverage range is wider, and the practicability of the device is further improved.)

1. The utility model provides an adjustable fog gun machine, includes bottom plate (1), its characterized in that: the quantity of bottom plate (1) both sides fixed mounting at top has backing plate (2) and backing plate (2) is two, equal fixed mounting has rotatory expansion bracket (3) on backing plate (2) top and the position that is close to one end, the activity of rotatory expansion bracket (3) is cup jointed and is installed rotatory supporting seat I (4), the top fixed mounting of rotatory supporting seat I (4) has backup pad (5), fixed mounting has rotatory supporting seat II (6) on backup pad (5) bottom and the position that is close to one end, fixed mounting has support frame (7) and rotatory supporting seat II (6) activity to cup joint on the position that backing plate (2) top is close to the other end, the top fixed mounting of backup pad (5) has emitter (8), atomizer (9) have been cup jointed in the inside activity of emitter (8), the one end fixed mounting of atomizer (9) has adjusting device I (10a) and adjusting device II (6) 10b) The fan-shaped nozzle is characterized in that a fan-shaped nozzle (11) is fixedly mounted at one end of the emitting device (8), and one ends of the adjusting device I (10a) and the adjusting device II (10b) are fixedly connected with one end of the inner wall of the fan-shaped nozzle (11).

2. The adjustable fog gun machine according to claim 1, characterized in that: the emission device (8) comprises an emission cylinder (81), the emission cylinder (81) is fixedly installed at the top of the support plate (5), a fixed support (82) is fixedly installed at one end of the emission cylinder (81), a motor (83) is fixedly sleeved on the position, located at the center, of one end of the fixed support (82), a fan (84) is fixedly installed at one end of an output shaft of the motor (83), a fixed seat (85) is fixedly installed on the position, located between the fixed supports (82), of the inner wall of the emission cylinder (81) close to one end of the inner wall, a driving machine (86) is fixedly installed at one side of the fixed support (85), a screw rod (87) is fixedly installed at one end of the output shaft of the driving machine (86), the screw rod (87) is matched with the spraying device (9), a liquid inlet hole (88) and a liquid inlet hole (88) are formed in the position, close to one side of the fixed support (82), of the inner wall of the emission cylinder (81) and are distributed in an annular array manner, launch barrel (81) surface and be located on the position in feed liquor hole (88) outside fixed mounting have feed liquor groove (89), fixed mounting has feed liquor pipe (810) and feed liquor pipe (810) to be linked together with the inner chamber in feed liquor groove (89) on the position that feed liquor groove (89) one side is located the bottom.

3. The adjustable fog gun machine according to claim 2, characterized in that: atomizer (9) are including spraying sleeve (91), spraying sleeve (91) surface has been seted up drain hole (92) and has been distributed with annular array's mode, fixed mounting has nozzle (93) on spraying sleeve (91) inner wall and the position that is located drain hole (92) one end, fixed mounting has regulating block (94) and regulating block (94) quantity to be three and distribute with annular array's mode on spraying sleeve (91) inner wall is close to the position of one end, regulating block (94) cooperate with lead screw (87).

4. The adjustable fog gun machine of claim 3, characterized in that: adjusting device I (10a) includes aperture plate (101), the one end of aperture plate (101) is cup jointed with the one end activity of spraying sleeve (91), the one end activity of aperture plate (101) is cup jointed regulating plate (102), the one end of regulating plate (102) and fan-shaped spout (11) inner wall and be close to the activity on the position of one end and cup joint.

5. The adjustable fog gun machine according to claim 1, characterized in that: the structure of the adjusting device I (10a) is completely the same as that of the adjusting device II (10b), the connecting position of the adjusting device I (10a) and one end of the spraying sleeve (91) is close to the outer side of the end face of the spraying sleeve (91), and the connecting position of the adjusting device II (10b) and one end of the spraying sleeve (91) is close to the inner side of the end face of the spraying sleeve (91).

6. The adjustable fog gun machine according to claim 1, characterized in that: the sum of the length of the adjusting device I (10a) and the length of the adjusting device II (10b) is equal to the length of a generatrix of the fan-shaped nozzle (11).

Technical Field

The invention relates to the technical field of environmental protection and dust fall, in particular to an adjustable fog gun machine.

Background

Fog gun car is a equipment for the dust fall, can carry the water smoke that the tiny particle liquid drop is constituteed aloft through high-speed air current and atomizing nozzle, thereby the tiny drop can be adsorbed the dust on every side in the in-process of suspension aloft and subsides the purpose that reaches the dust fall through self, and for convenient use, thereby can carry out the limit spraying with fog gun machine through on-vehicle mode and remove simultaneously and reach the effect of concentrating the dust fall in the great region of urban area, this is also the fog gun machine that application range is the most extensive at present, and has a simple structure, high durability and convenient use, the maintenance cost is lower advantage.

Although current fog gun machine has above-mentioned advantage, still have certain limitation in actual use, the mouth of pipe diameter of traditional fog gun car can't be adjusted, its operating condition receives the restriction of mouth of pipe diameter, the fog gun machine that can carry out remote spraying dust fall can't be applied to in the dust fall operation on a short distance on a large scale, and in order to avoid water smoke to form the great water droplet of diameter at the inside gathering of pipeline and lead to its can't suspend the dust fall, the nozzle generally can install in mouth of pipe department, this results in the acceleration effect that the liquid droplet received to reduce, thereby make the range reduce, to this, this application file provides an adjustable fog gun machine, aim at solving the above-mentioned problem that proposes.

Disclosure of Invention

Aiming at the defects of the existing fog gun machine in the use process in the background art, the invention provides the adjustable fog gun machine which has the advantage of being capable of adjusting the working mode of a fog gun vehicle under different use environments and scenes, and solves the problem that the single working mode of the traditional fog gun machine is low in practicability.

The invention provides the following technical scheme: an adjustable fog gun machine comprises a bottom plate, wherein two backing plates are fixedly arranged on two sides of the top of the bottom plate, the number of the backing plates is two, rotary telescopic frames are fixedly arranged on positions, close to one end, of the tops of the backing plates, rotary supporting seats I are movably sleeved and arranged on the rotary telescopic frames, supporting plates are fixedly arranged on the tops of the rotary supporting seats I, rotary supporting seats II are fixedly arranged on positions, close to one end, of the bottoms of the supporting plates, supporting frames are fixedly arranged on positions, close to the other end, of the tops of the backing plates, the supporting frames are movably sleeved and arranged with the rotary supporting seats II, a transmitting device is fixedly arranged on the tops of the supporting plates, a spraying device is movably sleeved and arranged in the transmitting device, an adjusting device I and an adjusting device II are fixedly arranged at one end of the spraying device, a fan-shaped nozzle is fixedly arranged at one end of the transmitting device, and one ends of the adjusting device I and the adjusting device II are fixedly connected with one end of the inner wall of the fan-shaped nozzle.

Preferably, the adjustable fog gun machine according to the claim is characterized in that: the launching device comprises a launching tube which is fixedly arranged at the top of the supporting plate, one end of the launching tube is fixedly provided with a fixed bracket, one end of the fixed bracket is fixedly sleeved with a motor at the center, one end of an output shaft of the motor is fixedly provided with a fan, a fixed seat is fixedly arranged on the inner wall of the launching tube close to one end and between the fixed brackets, a driving machine is fixedly arranged on one side of the fixed seat, a screw rod is fixedly arranged at one end of an output shaft of the driving machine and matched with the spraying device, the inner wall of the launch canister is provided with liquid inlet holes at one side close to the fixed support, the liquid inlet holes are distributed in an annular array manner, the launching tube is characterized in that a liquid inlet groove is fixedly mounted on the outer surface of the launching tube and positioned outside the liquid inlet hole, a liquid inlet pipe is fixedly mounted on the position, positioned at the bottom, of one side of the liquid inlet groove, and the liquid inlet pipe is communicated with the inner cavity of the liquid inlet groove.

Preferably, the adjustable fog gun machine according to the claim is characterized in that: the spraying device comprises a spraying sleeve, wherein the outer surface of the spraying sleeve is provided with liquid guide holes and distributed in an annular array mode, the inner wall of the spraying sleeve is fixedly provided with a nozzle at the position which is positioned at one end of the liquid guide holes, the inner wall of the spraying sleeve is close to one end, the number of adjusting blocks and the number of adjusting blocks which are fixedly arranged at the position which is positioned at one end of the spraying sleeve are three and distributed in an annular array mode, and the adjusting blocks are matched with the screw rod.

Preferably, adjusting device I includes the aperture board, the one end of aperture board is cup jointed with the telescopic one end activity of spraying, the regulating plate has been cup jointed in the one end activity of aperture board, the one end of regulating plate and fan-shaped spout inner wall and be close to the activity on the position of one end and cup joint.

Preferably, the structure of the adjusting device I is completely the same as that of the adjusting device II, the connecting position of the adjusting device I and one end of the spraying sleeve is close to the outer side of the end face of the spraying sleeve, and the connecting position of the adjusting device II and one end of the spraying sleeve is close to the inner side of the end face of the spraying sleeve.

Preferably, the sum of the length of the adjusting device I and the length of the adjusting device II is equal to the length of a generatrix of the fan-shaped nozzle.

The invention has the following beneficial effects:

1. the invention controls the screw rod to rotate through the matching of the adjusting block and the screw rod, drives the spraying sleeve to move along the self axis direction through the matching of the screw rod and the adjusting block, and then one end of the adjusting plate is movably sleeved with the inner wall of the fan-shaped nozzle and the position close to one end, when the spraying sleeve moves along the horizontal left direction in figure 2, the connecting part of the adjusting device I and the spraying sleeve is pushed to move synchronously, and the adjusting device II also moves in the same way, so that the connecting part of the aperture plate and the adjusting plate is bent, the aperture plate is contracted at the end surface of the spraying sleeve, the gas is extruded by the aperture plate after being separated from the spraying sleeve, the gas flow speed is accelerated, the device can spray the water mist to a farther place, the conveying capacity of the device to the water mist is improved, when the spraying sleeve moves along the horizontal right direction in figure 2, aperture board and regulating plate junction are flare-outed this moment, the aperture board is the expansion form in the telescopic terminal surface department of spraying, make the air current can receive the aperture board after breaking away from the spraying sleeve and lead to the air current to the telescopic radial diffusion of spraying to pulling up all around, thereby make the device can spray wider place with water smoke, the coverage of the device has been improved, thereby make the device have long-range high accuracy dust fall and short range two kinds of ability on a large scale simultaneously, make its better effect of using the scene performance in the difference that can be better, the practicality of the device has been improved.

2. According to the invention, the nozzle is fixedly arranged on the inner wall of the spraying sleeve and positioned at one end of the liquid guide hole, and the density of the water mist sprayed by the device can be automatically adjusted according to the opening degree of the pore-diameter plate, so that the nozzle can be arranged at the depth in the spraying sleeve, the acceleration time of the water mist in the spraying sleeve under the action of the air flow is prolonged, the water mist has larger kinetic energy after being separated from the spraying sleeve, the spraying distance of the water mist is further, the coverage range is wider, and the practicability of the device is further improved.

3. The invention leads all the liquid guide holes to be communicated with the liquid inlet hole when the liquid guide holes are positioned corresponding to the liquid inlet hole and the spraying sleeve is completely positioned in the emission cylinder, so that when the spraying sleeve extends out of the emission cylinder, the number of the liquid guide holes communicated with the liquid inlet hole is reduced, the number of the nozzles capable of spraying is synchronously reduced, the problem that when the aperture plate is in a shrinkage shape, the density of the water mist is too high to form larger-particle water drops in the extrusion process and quickly fall to the ground under the action of gravity to cause that the water mist cannot be suspended and dusted is avoided, when the spraying sleeve retracts from the inside of the emission cylinder, the number of the liquid guide holes communicated with the liquid inlet hole is increased, the number of the nozzles capable of spraying is synchronously increased, and the problem that when the aperture plate is in an expansion shape, the density of the water mist is too low to cause that the adsorption capacity of dust in air is reduced, the stability of the device operation has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

FIG. 4 is a right side view of the structure of the present invention;

FIG. 5 is a schematic view of a structural transmitter of the present invention;

FIG. 6 is a schematic cross-sectional view of a structural transmitter of the present invention;

FIG. 7 is a right side view of the structural transmitter of the present invention;

FIG. 8 is a schematic view of a spray apparatus constructed in accordance with the present invention;

FIG. 9 is a schematic right-view of a spray apparatus according to the present invention;

fig. 10 is a schematic cross-sectional view of a spray device constructed in accordance with the present invention.

In the figure: 1. a base plate; 2. a base plate; 3. rotating the telescopic frame; 4. rotating the support seat I; 5. a support plate; 6. rotating the support base II; 7. a support frame; 8. a transmitting device; 81. a launch canister; 82. fixing a bracket; 83. an electric motor; 84. a fan; 85. a fixed seat; 86. a driver; 87. a screw rod; 88. a liquid inlet hole; 89. a liquid inlet tank; 810. a liquid inlet pipe; 9. a spraying device; 91. a spray sleeve; 92. a drain hole; 93. a nozzle; 94. an adjusting block; 10a, an adjusting device I; 10b, an adjusting device II; 101. an aperture plate; 102. an adjusting plate; 11. and a fan-shaped nozzle.

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. 1-4, an adjustable fog gun machine comprises a bottom plate 1, wherein two backing plates 2 are fixedly arranged on two sides of the top of the bottom plate 1, the number of the backing plates 2 is two, a rotary expansion bracket 3 is fixedly arranged on the top of each backing plate 2 and close to one end, a rotary support seat I4 is movably sleeved on the rotary expansion bracket 3, a support plate 5 is fixedly arranged on the top of the rotary support seat I4, a rotary support seat II 6 is fixedly arranged on the bottom of the support plate 5 and close to one end, a support frame 7 is fixedly arranged on the top of the backing plate 2 and close to the other end, the support frame 7 is movably sleeved with the rotary support seat II 6, a transmitting device 8 is fixedly arranged on the top of the support plate 5, a spraying device 9 is movably sleeved inside the transmitting device 8, an adjusting device I10 a and an adjusting device II 10b are fixedly arranged at one end of the spraying device 9, one end of the launching device 8 is fixedly provided with a fan-shaped nozzle 11, and one ends of the adjusting device I10 a and the adjusting device II 10b are fixedly connected with one end of the inner wall of the fan-shaped nozzle 11.

Referring to fig. 5-7, the launcher 8 includes a launcher 81, the launcher 81 is fixedly installed on the top of the support plate 5, a fixing bracket 82 is fixedly installed at one end of the launcher 81, a motor 83 is fixedly sleeved at the center of one end of the fixing bracket 82, a fan 84 is fixedly installed at one end of an output shaft of the motor 83, a fixing base 85 is fixedly installed at a position, close to one end, of the inner wall of the launcher 81 and located between the fixing brackets 82, a driving machine 86 is fixedly installed at one side of the fixing base 85, a lead screw 87 is fixedly installed at one end of the output shaft of the driving machine 86, the lead screw 87 is matched with the spraying device 9, a liquid inlet hole 88 is formed in a position, close to one side of the fixing bracket 82, of the inner wall of the launcher 81, the liquid inlet hole 88 is distributed in an annular array manner, a liquid inlet groove 89 is fixedly installed at a position, located outside the liquid inlet hole 88, a liquid inlet pipe 810 is fixedly installed at a position, and the liquid inlet pipe 810 is fixed with the liquid inlet groove 89 The inner cavities of the two are communicated.

Referring to fig. 5-10, the spraying apparatus 9 includes a spraying sleeve 91, the outer surface of the spraying sleeve 91 is provided with liquid guiding holes 92, and the liquid guiding holes 92 are distributed in an annular array, the positions of the liquid guiding holes 92 correspond to the liquid inlet holes 88, and when the spraying sleeve 91 is completely located inside the emission tube 81, all the liquid guiding holes 92 are communicated with the liquid inlet holes 88, so that when the spraying sleeve 91 extends out from the inside of the emission tube 81, the number of the liquid guiding holes 92 communicated with the liquid inlet holes 88 is reduced, the number of the nozzles 93 capable of spraying is synchronously reduced, the problem that when the aperture plate 101 is in a contracted state, the density of the water mist is too high, so that large-particle water drops are formed in the extruding process, and the water drops rapidly fall to the ground under the action of gravity, so that the water drops cannot be suspended and dusted is avoided, when the spraying sleeve 91 retracts from the inside of the emission tube 81, the number of the liquid guiding holes 92 communicated with the liquid inlet holes 88 is increased, the quantity of the nozzles 93 that can spray increases in step, the density of water smoke is crossed and make its density at the in-process water smoke of diffusion low and lead to the adsorption efficiency to dust in the air to reduce when having avoided aperture plate 101 to be expansion form, the stability of the device operation has been improved, fixed mounting has nozzle 93 on the position of spray sleeve 91 inner wall and lie in drain hole 92 one end, the density of water smoke sprayed through the device can have more aperture plate 101's opening degree automatic regulation, make nozzle 93 can install the degree of depth inside spray sleeve 91, thereby make water smoke carry out the time extension of accelerating under the effect of air current in spray sleeve 91 inside, make it have bigger kinetic energy after breaking away from in spray sleeve 91, thereby make the jet distance of water smoke farther, the coverage is wider, the practicality of the device has further been improved. The inner wall of the spraying sleeve 91 is fixedly provided with three adjusting blocks 94 at a position close to one end, the number of the adjusting blocks 94 is three, the adjusting blocks 94 are distributed in an annular array mode, and the adjusting blocks 94 are matched with the screw rod 87, so that the driving machine 86 controls the screw rod 87 to rotate and drives the spraying sleeve 91 to move along the axis direction of the spraying sleeve through the matching of the screw rod 87 and the adjusting blocks 94.

Referring to fig. 3 and 8-10, the adjusting device i 10a includes an aperture plate 101, one end of the aperture plate 101 is movably sleeved with one end of the spraying sleeve 91, one end of the aperture plate 101 is movably sleeved with an adjusting plate 102, one end of the adjusting plate 102 is movably sleeved with the inner wall of the fan-shaped nozzle 11 and a position close to one end, when the spraying sleeve 91 moves along the horizontal left direction in fig. 2, the connection part of the adjusting device i 10a and the spraying sleeve 91 is pushed to move synchronously, and the adjusting device ii 10b also moves in the same manner, so that the connection part of the aperture plate 101 and the adjusting plate 102 is bent, the aperture plate 101 is contracted at the end surface of the spraying sleeve 91, so that the gas is squeezed by the aperture plate 101 after leaving the spraying sleeve 91 to cause the gas flow rate to increase, thereby the device can spray the mist to a farther place, and the delivery capacity of the device to the mist is improved, when the spraying sleeve 91 moves along the horizontal rightward direction in fig. 2, at this moment, the connection between the aperture plate 101 and the adjusting plate 102 is straightened, the aperture plate 101 is in an expanded shape at the end face of the spraying sleeve 91, so that the airflow is lifted to the periphery by the aperture plate 101 after being separated from the spraying sleeve 91, and the airflow is radially diffused to the spraying sleeve 91, so that the device can spray water mist to a wider place, the coverage range of the device is improved, the device has two capabilities of remote high-precision dust fall and short-range large-range dust fall simultaneously, the device can better play a better role in different use scenes, and the practicability of the device is improved.

Referring to fig. 3 and 8-10, the structure of the adjusting device i 10a and the adjusting device ii 10b is identical, the connecting position of the adjusting device i 10a and one end of the spray sleeve 91 is close to the outer side of the end surface of the spray sleeve 91, and the connecting position of the adjusting device ii 10b and one end of the spray sleeve 91 is close to the inner side of the end surface of the spray sleeve 91.

Referring to fig. 1-4, the sum of the length of the adjusting device i 10a and the length of the adjusting device ii 10b is equal to the length of the generatrix of the fan nozzle 11.

The using method of the invention is as follows:

in the using process, the driving machine 86 controls the screw rod 87 to rotate and drives the spray sleeve 91 to move along the axis direction of the spray sleeve 91 through the cooperation of the screw rod 87 and the adjusting block 94, when the spray sleeve 91 moves along the horizontal left direction in fig. 2, the connecting part of the adjusting device I10 a and the spray sleeve 91 is pushed to synchronously move, and the adjusting device II 10b also moves in the same way, so that the connecting part of the aperture plate 101 and the adjusting plate 102 is bent, the aperture plate 101 is contracted at the end surface of the spray sleeve 91, so that the gas is extruded by the aperture plate 101 after being separated from the spray sleeve 91 to accelerate the gas flow rate, the device can spray the water mist to a farther place, the delivery capacity of the device to the water mist is improved, when the spray sleeve 91 moves along the horizontal right direction in fig. 2, the connecting part of the aperture plate 101 and the adjusting plate 102 is straightened, the aperture plate 101 is expanded at the end face of the spraying sleeve 91, so that the airflow is radially diffused to the spraying sleeve 91 due to the fact that the aperture plate 101 is pulled up to the periphery after the airflow is separated from the spraying sleeve 91, the device can spray water mist to a wider place, the coverage range of the device is improved, and the device has the capabilities of remote high-precision dust fall and wide-range short-range dust fall at the same time, when the spraying sleeve 91 extends out of the emitting tube 81, the number of the liquid guide holes 92 communicated with the liquid inlet hole 88 is reduced, the number of the nozzles 93 capable of spraying is synchronously reduced, when the spraying sleeve 91 retracts from the inside of the emitting tube 81, the number of the liquid guide holes 92 communicated with the liquid inlet hole 88 is increased, the number of the nozzles 93 capable of spraying is synchronously increased, and the nozzles 93 can be installed at the depth inside the spraying sleeve 91, therefore, the time for accelerating the water mist in the spraying sleeve 91 under the action of the airflow is prolonged, the water mist has larger kinetic energy after being separated from the spraying sleeve 91, the spraying distance of the water mist is further, and the coverage range is wider.

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.

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.