Power plants – Pressure fluid source and motor – Coaxial impeller and turbine unit
Patent
1978-10-26
1980-01-01
Geoghegan, Edgar W.
Power plants
Pressure fluid source and motor
Coaxial impeller and turbine unit
60362, 60367, F16D 3304
Patent
active
041809777
ABSTRACT:
Torque converter with a stator whose blades are selectively set at open and closed position to tailor converter operation for optimized vehicle performance and fuel economy. Turbine discharge pressure is routed to impeller side of stator control piston to move stator blades to low angle position for improved engine economy during vehicle coast down operation. Low angle stator is also used for economical anti-creep idle and for higher stall speeds and acceleration when needed. For economical cruising and other operation, the stator blades are set at their high angle or open position.
REFERENCES:
patent: 2999400 (1961-09-01), Kelley
patent: 3046745 (1962-07-01), Price, Jr. et al.
patent: 3313109 (1967-04-01), Tuck
General Motors Corporation
Geoghegan Edgar W.
White Charles R.
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