Compact dry power takeoff unit

Details Compact dry power takeoff unit Compact dry power takeoff unit

2005-04-05

2005-04-05

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Elements

Shafts, bearings, and adjusting devices

C192S070200, C192S085060, C192S112000

Reexamination Certificate

active

06874610

ABSTRACT:
A compact dry power takeoff clutch unit is adapted for interconnection with a flywheel of an engine. A housing is adapted for attachment to the engine and has a plurality of interleaved friction and separator disks maintained therein. A drive ring is connected to the friction disks and to the flywheel for driving the friction disks by the engine. An output shaft is interconnected with the separator disks. A pair of anti-friction bearings are received by the housing and provide the sole support for the output shaft. A pressure plate is configured to be nestingly received by a cup-shaped flywheel in order to maintain certain standardized dimensional constraints. Actuation of the clutch is achieved by a rotary union interposed between the pair of support bearings. A quiescent position for the separator disks is achieved by the mounting of the separator disks between the head and spring of shoulder bolts secured to an output hub mounted upon the output shaft. Gland rings are interposed about the output shaft on either side of the rotary union to minimize leakage and the passage of pressurized actuating fluid to the bearings.

REFERENCES:
patent: 4574926 (1986-03-01), Bubak
patent: 4720929 (1988-01-01), Umberson
patent: 4937957 (1990-07-01), Umberson
patent: 5322148 (1994-06-01), Fernandez
patent: 5389049 (1995-02-01), Mabee
patent: 5400862 (1995-03-01), Behlke et al.
patent: 5601171 (1997-02-01), Flotow
patent: 5667047 (1997-09-01), Weiss et al.
patent: 6305515 (2001-10-01), Heidenreich et al.

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