Automatic transmission with overdrive device

Details Automatic transmission with overdrive device Automatic transmission with overdrive device

1981-08-31

1984-01-31

Braun, Leslie A.

Machine element or mechanism

Elements

Gear casings

74687, F16H 4708

Patent

active

044282532

ABSTRACT:
An automatic transmission having a torque converter comprising an impeller connected to the crankshaft of an internal combustion engine and a turbine driven by the impeller by oil, an automatic transmission apparatus comprising a planetary gear device and a fluid operated brake and clutch devices connected to an output shaft of the turbine, an oil pump driven by the impeller through an oil pump drive shaft for producing pressure oil applied to the fluid operated brake and clutch devices, and a final reduction gear device connected to an output shaft of the automatic transmission apparatus. An overdrive device comprising an overdrive clutch and overdrive gears is connected between the oil pump drive shaft and an intermediate shaft. The intermediate shaft is connected between an output shaft of the overdrive gears and the final reduction gear device, and a valve is provided for applying the pressure oil to the overdrive clutch.

REFERENCES:
patent: 3597999 (1971-08-01), Fisher
patent: 4036081 (1977-07-01), Onuma et al.
patent: 4224837 (1980-09-01), Croswhite
patent: 4296646 (1981-10-01), Thornton

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