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US 2003/0070879 A1Published application
Submerged electric fluid pump
AssigneeBorgWarner Inc.
InventorsHal Pringle, Robert D. Keefover, Michael J. Halsig
Life of this patent
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Abstract
An electric fluid pump for a transmission, transfer case or an oil reservoir. The pump is contained within the transmission, transfer case or engine oil reservoir and has an open housing which allows fluid into the motor for cooling and lubrication.
Claims22
A pump for pumping fluid in a vehicle while contained within a transmission, transfer case or engine reservoir of a vehicle, said pump comprising:
- a pump housing having a pump element;
- an electric motor operatively attached to said pump housing;
- a pumping chamber;
- a pump element operatively coupled to said electric motor;
- said pump chamber including an intake and an exit port therein for receiving fluid from said reservoir and pumping fluid;
- at least one intake or exhaust port derived from porting configured in a surface adjacent to and not part of the pump.
3 more elements
A submerged pump for pumping of fluid of a vehicle, from a transmission, transfer case or oil reservoir of said vehicle;
- said fluid pump comprising:
- a submerged pump housing;
- a motor situated in said pump housing and exposed to the fluid in the reservoir;
- said motor including a self centering armature therethrough;
- a pump chamber at the base of said housing;
- a pump element operably attached to said armature in said chamber for pumping fluid;
- a surface adjacent to and not part of the housing and operatively associated with the chamber for providing inlet or outlet of fluid to the chamber contained in the housing, and said surface including at least one oil fill passage connecting said reservoir to said chamber for intake and pumping of said oil from said reservoir.
4 more elements
Dependencies are inferred from the claim text.