| 摘要 |
A fluid coupling assembly 10 is provided and includes a stationary housing 12, which h forms a first chamber 14; an inner housing or output member 16 which is rotatably disposed within chamber 14 and which forms a second chamber 18; and a rotor or drive member 20, which is rotatably disposed within chamber 18. An amount of fluid is contained within chambers 14 and 18 and is used to transmit torque between the rotor 20 and the inner housing 16. Assembly 10 further includes a pump assembly 24 which is effective to circulate the fluid through assembly 10. An electrical valve 30 is coupled to housing 12 and is effective to selectively control the flow of fluid into chambers 14 and 18. A water jacket 32 within housing 12 is used to cool the fluid flowing through assembly 10. Assembly 10 selectively transmits torque from rotor 20 to housing 16, thereby driving the rotation of a fan assembly 34. Valve 30 is selectively actuated according to a predetermined algorithm or program which controls the flow of fluid into rotor 20 and cavity 18, thereby controlling the torque and rotational speed transmitted to housing 16 from rotor 20.
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