Planetary gear arrangement with a lubrication control structure

Details Planetary gear arrangement with a lubrication control structure Planetary gear arrangement with a lubrication control structure

1997-06-06

1998-11-03

Ta, Khoi Q.

Planetary gear transmission systems or components

With lubricaton

475346, F16H 5704, F16H 5710

Patent

active

058300988

ABSTRACT:
A planetary gear arrangement has one or more planetary gear sets each having a carrier assembly in which a plurality of pinion gears are rotatably mounted on pins supported in a carrier housing. An annular lube dam is attached to the carrier housing and includes a first and second annular sidewall portions extending radially inward and joined by an axial wall portion. The radially innermost sidewall portion directs lubrication fluid to the support pins for delivery to the pinion gears. The axial wall engages notched portions on the pins to ensure the angular orientation of the lube passages formed in the pins. The outermost annular wall portion provides a thrust washer bearing surface between the carrier assembly and an adjacent transmission component to support relative rotation therebetween.

REFERENCES:
patent: 2408336 (1946-09-01), Orr
patent: 2591743 (1952-04-01), Thompson
patent: 2681126 (1954-06-01), Searls
patent: 2877668 (1959-03-01), Kelbel
patent: 3610072 (1971-10-01), Grimpe
patent: 4759234 (1988-07-01), Premiski et al.
patent: 4848177 (1989-07-01), Miura et al.
patent: 4920828 (1990-05-01), Kameda et al.
patent: 5368528 (1994-11-01), Farrell
patent: 5643126 (1997-07-01), Hotta et al.
patent: 5702320 (1997-12-01), Brassai et al.

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