Four-wheel drive automatic transmission

Details Four-wheel drive automatic transmission Four-wheel drive automatic transmission

1987-02-05

1988-04-19

Smith, Gary L.

Machine element or mechanism

Elements

Gear casings

74695, F16H 5702

Patent

active

047381590

ABSTRACT:
A four-wheel drive automatic transmission primarily consisting of an automatic transmission having a transmission case, a transmission gear mounted in the transmission case and an automatic transmission hydraulic control unit including a transmission valve body secured to the bottom surface of the transmission case; and a four-wheel drive transfer having a transfer case, a transfer unit mounted in the transfer case and a transfer hydraulic control unit including a transfer valve body secured to the bottom surface of the transfer case. The automatic transmission hydraulic control unit and the transfer hydraulic control unit communicate with each other by oil passages cast in the transmission case and in the transfer case.

REFERENCES:
patent: 4083266 (1978-04-01), Kreitzberg
patent: 4203331 (1980-05-01), Shindo et al.
patent: 4210034 (1980-07-01), Younger
patent: 4226200 (1980-10-01), Morisawa et al.
patent: 4261227 (1981-04-01), Yamamori et al.
patent: 4271717 (1981-06-01), Millward et al.
patent: 4365523 (1982-12-01), Numazawa et al.
patent: 4467754 (1984-08-01), Hayashi et al.
patent: 4526054 (1985-07-01), Ehrlinger
patent: 4539865 (1985-09-01), Yoneda et al.

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