Power transfer device with torque limited pump

Details Power transfer device with torque limited pump Power transfer device with torque limited pump

2011-03-22

2011-03-22

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Moving cylinder

Rotating

C418S182000, C192S10400R, C192S10400R

Reexamination Certificate

active

07909593

ABSTRACT:
A lube pump is provided for supplying lubricant to various components of a power transmission unit of the type used in motor vehicles. The lube pump includes a pump assembly and a coupling mechanism for releaseably coupling the pump assembly to a driven shaft. The coupling is operable to release the pump assembly when the rotary speed of the shaft exceeds a threshold value.

REFERENCES:
patent: 2758689 (1956-08-01), Space
patent: 2913085 (1959-11-01), Spase
patent: 3107765 (1963-10-01), Davies
patent: 6017202 (2000-01-01), Durmack et al.
patent: 6443277 (2002-09-01), Taylor et al.
patent: 7445438 (2008-11-01), Ronk et al.
patent: 2006/0088432 (2006-04-01), Ronk
patent: WO2004/101973 (2004-11-01), None

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