Shift mechanism for automatic transmission with lubricating mean

Details Shift mechanism for automatic transmission with lubricating mean Shift mechanism for automatic transmission with lubricating mean

1995-05-16

1997-01-07

Marmor, Charles A.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Orbit braked

475292, 475297, F16H 362

Patent

active

055910998

ABSTRACT:
A shift mechanism for an automatic transmission includes a frictional engagement element arranged between the case of the automatic transmission and one element of a planetary gear unit and a hydraulic servo unit for engaging the frictional engagement element. A one-way clutch is connected to that same one element of the planetary gear unit for selectively locking it to the case. The one-way clutch is axially spaced from the frictional engagement element with the hydraulic servo unit therebetween. Further, the one-way clutch has its outer race connected to the case and its inner race connected to the aforementioned element of the planetary gear unit through a connection member axially extending along the inner circumferential side of the hydraulic servo unit. The inner race is formed with a radial lubricating oil passage in fluid communication with an oil passage in a transmission shaft.

REFERENCES:
patent: 3830082 (1974-08-01), Clauss, Jr. et al.
patent: 4479404 (1984-10-01), Stockton
patent: 4916980 (1990-04-01), Asada et al.
patent: 5478291 (1995-12-01), Morisawa et al.

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