192 clutches and power-stop control – Clutches – Fluent material
Patent
1997-04-09
1999-04-13
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Fluent material
192 585, F16D 3502
Patent
active
058934421
ABSTRACT:
A fluid coupling device (11) of the type including an input coupling member (35) having a cover member (49), which together define a reservoir (51) disposed within the input. The cover member (49) defines a fill port, through which flow is controlled by means of a valve arm (55). The input coupling (35) cooperates with a housing (41) and cover (43) (which comprise the output coupling) to define an operating chamber (47). Discharge fluid is pumped from the operating chamber through passages (63) and (65) to a passage (67) disposed approximately on the axis of rotation (A) of the coupling device. The passage (67) is defined by a cylindrical portion (69) which extends through an opening (71) in the cover member (49). Thus, discharge flow is communicated back into the reservoir (51) at the axis, and after the vehicle engine and fan drive have been shut down for a period of time, fluid does not bleed back from the reservoir into the operating chamber.
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Bonck Rodney H.
Eaton Corporation
Kasper L. J.
Rodriguez Saul J.
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