Fuel pump tubular pulse damper

Details Fuel pump tubular pulse damper Fuel pump tubular pulse damper

1993-09-07

1994-12-20

Gluck, Richard E.

Pumps

Expansible chamber type

Having pulsation dampening fluid receiving space

138 26, F04B 1100

Patent

active

053741692

ABSTRACT:
A pressure pulse damper for a vehicle fuel pump which dampens output fuel pressure pulses and reduces audible noise emanating from the pump. The damper is a thin-wall tube pinched off and sealed at its ends to form at least one chamber, with a compressible gas sealed therein preferably at superatmospheric pressure. Preferably to provide multiple chambers with gas therein, the tube is also pinched together and sealed at locations between its ends.

REFERENCES:
patent: 2530190 (1950-11-01), Carver
patent: 4113434 (1978-09-01), Tanaka et al.
patent: 5035588 (1991-07-01), Tuckey
patent: 5122039 (1992-06-01), Tuckey

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