The invention relates to a fan drive device (1) for driving at least one fan impeller (2), comprising at least one first drivable coolable housing element (9, 10) with at least one output disc (13) which can be connected to the at least one drivable coolable housing element (9, 10) in such a way as
The invention relates to a fan drive device (1) for driving at least one fan impeller (2), comprising at least one first drivable coolable housing element (9, 10) with at least one output disc (13) which can be connected to the at least one drivable coolable housing element (9, 10) in such a way as to be capable of transmitting torque by fluid friction, wherein at least one fluid can be admitted to at least one torque-transmitting space, and the mass flow of said fluid can be regulated by means of a valve element (30), wherein the valve element (30) can be actuated by at least one actuator (26, 27), and at least a section of the actuator (26, 27) is arranged in at least one retaining element (33) for fastening to a motor unit.
대표청구항▼
1. A fan drive device, comprising: an impeller wheel;at least one retaining element configured to be fastened to an engine unit, the at least one retaining element comprising a cavity;at least one housing element having a fluid storage space, a bore, and a torque-transmitting space therein, the flui
1. A fan drive device, comprising: an impeller wheel;at least one retaining element configured to be fastened to an engine unit, the at least one retaining element comprising a cavity;at least one housing element having a fluid storage space, a bore, and a torque-transmitting space therein, the fluid storage space being in fluidic connection with the torque-transmitting space via the bore, wherein the at least one housing element is rotatable relative to the at least one retaining element;an output disk connected to the impeller wheel and selectively connectable to the at least one housing element such that the at least one housing element selectively transmits a torque to the output disk by fluid friction created using a fluid;a valve element comprising a valve lever disk that is rotatably connected to the at least one housing element and configured to control whether the bore is in fluidic connection with the storage space; andan actuator, at least a portion of which is inside the cavity of the at least one retaining element, the actuator being configured to selectively activate the valve element. 2. The fan drive device as claimed in claim 1, wherein at least a portion of at least one sensor is arranged in the at least one retaining element. 3. The fan drive device as claimed in claim 1, wherein the actuator is a solenoid. 4. The fan drive device as claimed in claim 1, wherein the at least one housing element is drivable by at least one belt pulley. 5. The fan drive device as claimed in claim 4, wherein the storage space rotates at at least a drive speed of the belt pulley. 6. The fan drive device as claimed in claim 4, wherein the belt pulley has at least one belt pulley opening for cooling the housing element. 7. The fan drive device as claimed in claim 4, wherein the belt pulley is connected to the at least one housing element in a positive locking fashion. 8. The fan drive device as claimed in claim 4, wherein the fan drive device has at least one bearing for supporting the at least one housing element and/or the belt pulley. 9. The fan drive device as claimed in claim 1, wherein the retaining element is a flange which is arranged in a rotationally fixed fashion. 10. The fan drive device as claimed in claim 1, wherein the at least one housing element has first concentric labyrinthine cutouts, and the output disk has second concentric labyrinthine cutouts corresponding to the first concentric labyrinthine cutouts. 11. The fan drive device as claimed in claim 10, wherein the fluid is flowable through at least a portion of the first and second cutouts, such that the torque of the housing element can be transmitted to the output disk. 12. The fan drive device as claimed in claim 1, wherein the valve lever disk is selectively pivotable about a fastening point. 13. The fan drive device as claimed in claim 1, wherein the fan drive device has at least one soft-magnetic conducting element. 14. The fan drive device as claimed in claim 1, wherein at least one sensor element for measuring output speed is arranged on a fan flange shaft. 15. The fan drive device as claimed in claim 14, wherein the sensor element is for measuring the output speed and/or is a Hall sensor. 16. The fan drive device as claimed in claim 14, wherein at least one first cable for supplying power to the actuator and/or a second cable for supplying power to the sensor element are arranged in the retaining element. 17. The fan drive device as claimed in claim 1, wherein the at least one housing element comprises cooling fins. 18. The fan drive device as claimed in claim 1, wherein the output disk has at least one output disk opening for cooling at least one hub section of the output disk. 19. The fan drive device as claimed in claim 1, wherein at least one bearing seat section of a fan shaft has at least one cutout for cooling the output disk. 20. The fan drive device as claimed in claim 19, wherein at least one bearing bushing is arranged on the at least one bearing seat section of the fan shaft in order to cool the output disk. 21. The fan drive device as claimed in claim 1, further comprising at least one belt pulley unit that is selectively dismountable from a fluid-flow-regulating unit. 22. The fan drive device as claimed in claim 1, wherein the impeller wheel comprises a flange plate having at least one opening configured to allow a flow of air through the opening to the at least one housing element, such that the at least one housing element is cooled by the flow of air. 23. The fan drive device as claimed in claim 22, wherein the at least one flange plate comprises a flow-guiding element for cooling the housing element. 24. The fan drive device as claimed in claim 22, wherein the at least one flange plate comprises a radial blower for cooling the housing element. 25. The fan drive device as claimed in claim 22, wherein the at least one opening is embodied as a scoop for cooling the housing element. 26. A fan drive device, comprising: an impeller wheel;at least one retaining element configured to be fastened to an engine unit, the at least one retaining element comprising a cavity;at least one housing element having a fluid storage space, a bore, and a torque-transmitting space therein, the fluid storage space being in fluidic connection with the torque-transmitting space via the bore, wherein the at least one housing element is rotatable relative to the at least one retaining element;an output disk connected to the impeller wheel and selectively connectable to the at least one housing element such that the at least one housing element selectively transmits a torque to the output disk by fluid friction created using a fluid;a valve element configured to control whether the bore is in fluidic connection with the storage space; andan actuator, at least a portion of which is inside the cavity of the at least one retaining element, the actuator being configured to selectively activate the valve element,wherein the impeller wheel comprises a flange plate having at least one opening configured to allow a flow of air through the opening to the at least one housing element, such that the at least one housing element is cooled by the flow of air, andwherein the at least one flange plate comprises a radial blower for cooling the housing element. 27. A fan drive device, comprising: an impeller wheel;at least one retaining element configured to be fastened to an engine unit, the at least one retaining element comprising a cavity;at least one housing element having a fluid storage space, a bore, and a torque-transmitting space therein, the fluid storage space being in fluidic connection with the torque-transmitting space via the bore, wherein the at least one housing element is rotatable relative to the at least one retaining element;an output disk connected to the impeller wheel and selectively connectable to the at least one housing element such that the at least one housing element selectively transmits a torque to the output disk by fluid friction created using a fluid;a valve element configured to control whether the bore is in fluidic connection with the storage space; andan actuator, at least a portion of which is inside the cavity of the at least one retaining element, the actuator being configured to selectively activate the valve element,wherein the impeller wheel comprises a flange plate having at least one opening configured to allow a flow of air through the opening to the at least one housing element, such that the at least one housing element is cooled by the flow of air, and wherein the at least one opening is embodied as a scoop for cooling the housing element. 28. A fan drive device, comprising: an impeller wheel;at least one retaining element configured to be fastened to an engine unit, the at least one retaining element comprising a cavity;at least one housing element having a fluid storage space, a bore, and a torque-transmitting space therein, the fluid storage space being in fluidic connection with the torque-transmitting space via the bore, wherein the at least one housing element is rotatable relative to the at least one retaining element;an output disk connected to the impeller wheel and selectively connectable to the at least one housing element such that the at least one housing element selectively transmits a torque to the output disk by fluid friction created using a fluid;a valve element configured to control whether the bore is in fluidic connection with the storage space; andan actuator, at least a portion of which is inside the cavity of the at least one retaining element, the actuator being configured to selectively activate the valve element,wherein at least one bearing seat section of a fan shaft has at least one cutout for cooling the output disk. 29. The fan drive device as claimed in claim 28, wherein at least one bearing bushing is arranged on the at least one bearing seat section of the fan shaft in order to cool the output disk.
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이 특허에 인용된 특허 (18)
Hauser Kurt,DEX, Axial-flow fan for the radiator of an internal combustion engine.
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