Fuel pump for motor vehicle

Details Fuel pump for motor vehicle Fuel pump for motor vehicle

1990-04-19

1991-05-07

Smith, Leonard E.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

4174237, 123497, 316249, F04B 3504

Patent

active

050132229

ABSTRACT:
An electric motor driven fuel pump for a motor vehicle includes a tubular metal housing, a pump in the housing at an inlet end thereof, an electric motor in the housing adjacent the pump, a plastic end cap in the housing near a discharge end thereof, and a plastic RFI module in the housing over the end cap. Brushes for the motor are disposed in brush passages in the end cap and connected to brass terminal studs press fitted into the open ends of the brush passages. The plastic RFI module completely shrouds the terminal studs on the end cap to minimize corrosion and contamination and has a pair of flat metal contact plates embedded therein. An edge of the tubular housing is crimped over the outside diameter of the RFI module and overlaps the metal contact plates so that the plates reinforce the RFI module against forces urging dislodgment of the RFI module and the end cap from the tubular housing.

REFERENCES:
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patent: 3836291 (1974-09-01), Bottcher et al.
patent: 3877845 (1975-04-01), Green et al.
patent: 3898493 (1975-08-01), Schaffer
patent: 4218196 (1980-08-01), Ohnishi
patent: 4352641 (1982-10-01), Tuckey
patent: 4401416 (1983-08-01), Tuckey
patent: 4447192 (1984-05-01), Tuckey
patent: 4498230 (1985-02-01), Harris et al.
patent: 4508492 (1985-04-01), Kusakawa et al.
patent: 4728264 (1988-03-01), Tuckey
patent: 4789308 (1988-12-01), Tuckey
patent: 4791331 (1988-12-01), Girardin

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