A dual input fluid pump system for coupling to a transmission or an engine and an electrical motor is disclosed. The system may include a first external gear, vane, internal gear, or gerotor-type pump, a second external gear pump, and connecting shaft. Gears of the second pump include one-way clutch bearings that enable operation of the system in multiple modes including engine-only; motor-only; a combined mode where the engine operates the first pump via the shaft and the motor operates the second pump with an external gear rotating in its pumping direction at a rate greater than the shaft; inlet boost; and a disconnection mode. Also noted is a pump that has a first shaft for coupling the engine to a first external gear and a second shaft for coupling the motor to a second external gear, as well as a one-way clutch bearing that performs in a similar manner.
DUAL INPUT PUMP AND SYSTEM
DOPPELEINGANGSPUMPE UND -SYSTEM
POMPE ET SYSTÈME À DOUBLE ENTRÉE
2022-08-24
Patent
Electronic Resource
English
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F01M Schmierung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , LUBRICATING OF MACHINES OR ENGINES IN GENERAL / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung / F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS , Rotationskolben- oder Schwenkkolbenmaschinen [Kraft- und Arbeitsmaschinen] für Flüssigkeiten / F16H Getriebe , GEARING |