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US 2003/0140900 A1Published application
Bypass/leakage cooling of electric pump
AssigneeVisteon Global Technologies, Inc.
InventorMike Dong
Life of this patent
Estimating the term…
Abstract
An in-tank fuel pump for an automotive vehicle includes a pump housing having a pumping element, a low pressure inlet, and a high pressure outlet. A motor housing defining a motor cavity is mounted to the pump housing and a motor is mounted within the motor cavity in driving engagement with the pumping element. A bypass channel is adapted to allow a portion of the fuel flowing through the high pressure outlet to flow into the motor cavity.
Claims20
An in-tank fuel pump for an automotive vehicle comprising:
- a pump housing having a pumping element, a low pressure inlet and a high pressure outlet, said pumping element adapted to pump fuel from said low pressure inlet to said high pressure outlet;
- a motor housing defining a motor cavity mounted to said pump housing;
- a bypass channel adapted to allow a portion of the fuel being pumped into said high pressure outlet to flow into said motor cavity.
Dependencies are inferred from the claim text.