Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Reexamination Certificate
2007-10-16
2007-10-16
Koczo, Jr., Michael (Department: 3746)
Pumps
With condition responsive pumped fluid control
Pressure responsive relief or bypass valve
Reexamination Certificate
active
10669439
ABSTRACT:
An oil pump for an automatic transmission includes a pump body having a pump chamber, a pump cover disposed so as to oppose to the pump body, an inner rotor disposed in the pump chamber and driven by a driving force from a torque converter and an outer rotor meshed with the inner rotor. The pump body includes a pump suction port, a pump discharge port a first oil, passage for supplying oil from a oil pan to the pump suction port, a second oil passage for returning excess oil of a first regulator to the first oil passage and a third oil passage having an outlet port for returning excess oil of a second regulator to the pump suction port.
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Suzuki Takanao
Takita Shinichi
Tanikawa Naoya
Aisin Seiki Kabushiki Kaisha
Buchanan & Ingersoll & Rooney PC
Koczo, Jr. Michael
Toyooki Kogyo Co. Ltd.
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