Fan for internal combustion engine
阅读说明:本技术 用于内燃机的风机 (Fan for internal combustion engine ) 是由 H.帕夫拉思 T.罗斯根 A.戈特 M.布特罗斯-米哈伊尔 于 2017-01-20 设计创作,主要内容包括:本发明涉及一种用于内燃机的风机,其带有电动机(16),所述电动机具有具备定子绕组(22)的定子(18)和固定在驱动轴(10)上的转子(24);包围所述电动机(16)的壳体(44);构造在所述壳体(44)中的输送通道(46、40);限定进入通道(50)的吸入接头(64)和限定排出通道(52)的排出接头(54);工作轮(12),所述工作轮固定在驱动轴(10)上,并且通过所述工作轮能够将流体从进入通道(50)经由输送通道(46、40)输送至排出通道(52)。为确保在电子器件室能在进风和排气的同时防止喷射水侵入电子器件室,根据本发明规定,在壳体(44)中构造电子器件室(58),带有电子部件(78)的电路板(76)布置在所述电子器件室中,通过所述电子部件能够控制电动机(16),其中,壳体(44)具有开孔(74),电子器件室(58)通过所述开孔与进入通道(50)流体连接。(the invention relates to a fan for an internal combustion engine, comprising an electric motor (16) which has a stator (18) having a stator winding (22) and a rotor (24) which is fastened to a drive shaft (10); a housing (44) surrounding the motor (16); a conveying channel (46, 40) formed in the housing (44); a suction fitting (64) defining an inlet passage (50) and a discharge fitting (54) defining a discharge passage (52); a running wheel (12) which is fastened to the drive shaft (10) and by means of which fluid can be conveyed from the inlet channel (50) to the outlet channel (52) via the conveying channels (46, 40). In order to ensure that the electronics compartment is protected against the ingress of spray water while the electronics compartment is being supplied with air and evacuated, according to the invention, the electronics compartment (58) is formed in the housing (44), in which electronics compartment a circuit board (76) with electronic components (78) is arranged, by means of which the electric motor (16) can be controlled, wherein the housing (44) has an opening (74), through which the electronics compartment (58) is fluidically connected to the inlet channel (50).)
1. A fan for an internal combustion engine having
An electric motor (16) having a stator (18) and a rotor (24) fixed to the drive shaft (10);
A housing (44) surrounding the electric motor (16), a conveying channel (46, 40) formed in the housing (44), a suction connection (64) defining an inlet channel (50) and a discharge connection (54) defining a discharge channel (52);
A running wheel (12) which is fastened to the drive shaft (10) and by means of which fluid can be conveyed from the inlet channel (50) via the conveying channels (46, 40) to the outlet channel (52),
Characterized in that an electronics chamber (58) is formed in the housing (44), in which a circuit board (76) with electronic components (78) is arranged, by means of which the electric motor (16) can be controlled, wherein the housing (44) has an opening (74), through which the electronics chamber (58) is in fluid communication with the inlet channel (50).
2. Fan for an internal combustion engine according to claim 1, characterized in that the housing (44) defining the electronics compartment (58) and the suction connection (64) have a common wall (66) in which an opening (74) for communicating the inlet channel (50) with the electronics compartment (58) is configured.
3. The fan for an internal combustion engine according to claim 1 or 2, characterized in that the electronics compartment (58) is arranged on the side of the electric motor (16) axially opposite the running wheel (12), and the suction connection (64) extends at least along the axial length of the electric motor (16) and the electronics compartment (58) to the feed channel (46, 40).
4. The fan for an internal combustion engine according to one of the preceding claims, characterized in that the housing (44) surrounding the stator (18) and the electronics compartment (58) and the suction connection (64) have a common wall surface (66), on one side of which the stator (18) rests and the electronics compartment (58) is formed, and on the opposite side of which the inlet channel (50) is formed.
5. The fan for an internal combustion engine according to any one of the preceding claims, characterized in that a membrane (84) permeable to air in both flow directions is arranged in the aperture (74).
6. The fan for an internal combustion engine according to any one of the preceding claims, wherein a filter is arranged upstream of the inlet channel (50) or within the inlet channel (50).
7. Fan for an internal combustion engine according to any of the preceding claims, characterized in that the housing (44) has a plurality of housing parts (42, 48, 56, 62) arranged one behind the other in the axial direction.
8. The fan for an internal combustion engine according to one of the preceding claims, characterized in that a central first housing part (42) surrounds the electric motor (16) in the radial direction and forms an axial section of the intake connection (64), in that the second housing part (48) closes the supply duct (40, 46) with respect to the side opposite the electric motor (16), in that a third housing part (56) surrounds the electronics chamber (58) in the radial direction and forms an upstream section of the intake connection (64) with respect to the first housing part (42), and in that a fourth housing part (62) closes the electronics chamber (58) and forms an upstream section of the intake connection (64) with respect to the third housing part (56).
9. The fan for an internal combustion engine according to claim 8, characterized in that ribs (82) facing outward with respect to the electronics compartment (58) are formed on the fourth housing part (62).
10. Fan for an internal combustion engine according to claim 8, characterized in that a bearing point (60) for the drive shaft (10) is formed on the third housing part (56), which bearing point is closed off from the electronics compartment (58).
11. The fan for an internal combustion engine according to claim 8, wherein one supply duct (40, 46) of the two-duct side-duct fan is formed in each case in the first housing part (42) and in the second housing part (48), the running wheel (12) of the two-duct side-duct fan being arranged between the two supply ducts (46, 40).
12. Fan for an internal combustion engine according to claim 8, characterized in that ribs (80) facing the inlet channel (50) are formed in the first housing part (42) on the suction connection (64).
13. The fan for an internal combustion engine according to any one of the preceding claims, wherein the stator (18) is fixedly abutted against a radially inner wall (68) of the housing (44).
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