Automatic transmission with overdrive device

Machine element or mechanism – Elements – Gear casings

Patent

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Details

F16H 4708

Patent

active

044534299

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, 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 to the output shaft of the turbine. An 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 pressure oil to the overdrive clutch for engagement thereof.

REFERENCES:
patent: 4224837 (1980-09-01), Croswhite
patent: 4296646 (1981-10-01), Thornton

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