HYBRID TRANSMISSION WITH DUAL-DRIVE PUMP

In a pump system for a hybrid electric transmission, the pump is alternately driven by the input shaft and the output shaft, whichever is rotating faster. The input shaft and output shaft are co-axial. Sprockets and a chain transmit power from axis of the input and output shafts to the axis of the p...

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Bibliographic Details
Main Authors GOLESKI, Gregory Daniel, HAMMOND, Matthew David, MAURER, Jeffrey Edward, JANSON, David Allen
Format Patent
LanguageEnglish
Published 31.01.2019
Subjects
ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES
ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES
ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
AUXILIARY DRIVES FOR VEHICLES
BLASTING
BRAKES
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INSTRUMENTATION OR DASHBOARDS FOR VEHICLES
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
THERMAL INSULATION IN GENERAL
TRANSPORTING
VEHICLES IN GENERAL
WEAPONS
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Summary:In a pump system for a hybrid electric transmission, the pump is alternately driven by the input shaft and the output shaft, whichever is rotating faster. The input shaft and output shaft are co-axial. Sprockets and a chain transmit power from axis of the input and output shafts to the axis of the pump. The driven sprocket is selectively coupled to the input shaft by a first one-way-clutch and selectively coupled to the output shaft by a second one-way-clutch. Two alternative one-way-clutch and bearing arrangement are disclosed.
Bibliography:Application Number: US201715662339