Centrifuge and venting system for a transmission

Details Centrifuge and venting system for a transmission Centrifuge and venting system for a transmission

2007-06-28

2010-11-30

Bonck, Rodney H (Department: 3655)

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

C055S409000, C184S006230, C192S085290, C192S085410

Reexamination Certificate

active

07841457

ABSTRACT:
A transmission having a shaft driven by a prime mover such as an engine or motor is provided. The transmission includes a first stationary element for supporting the shaft for rotation, and a torque transmitting device connectable to the shaft and rotatable about an axis. The torque transmitting device is actuated by a hydraulic fluid. A first passage is connected to the torque transmitting device and is in communication with the hydraulic fluid. The first passage extends radially inward from the torque transmitting device. A vent passage is located within the first stationary element and is in communication with the first passage. Rotation of the torque transmitting device about the axis separates entrained air from the fluid and urges air radially inward through the first passage and into the vent passage, thereby removing air from the hydraulic fluid and circuit.

REFERENCES:
patent: 5281190 (1994-01-01), Koivunen
patent: 5651288 (1997-07-01), Meeusen
patent: 6033450 (2000-03-01), Krul et al.
patent: 7547185 (2009-06-01), Giesler et al.
patent: 2006/0016660 (2006-01-01), Portell et al.
patent: 2007/0000730 (2007-01-01), Regonini
patent: 2008/0223685 (2008-09-01), Raszkowski et al.
patent: 1 344 559 (2003-09-01), None

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