Fuel pump tubular pulse damper

Details Fuel pump tubular pulse damper Fuel pump tubular pulse damper

1994-09-23

1996-05-14

Gluck, Richard E.

Pumps

Expansible chamber type

Having pulsation dampening fluid receiving space

F04B 1100

Patent

active

055162665

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. To provide further dampening an elongate body of resilient foam material may be disposed in each chamber.

REFERENCES:
patent: 2530190 (1950-11-01), Carver
patent: 4113434 (1978-09-01), Tanaka et al.
patent: 5035588 (1991-07-01), Tuckey
patent: 5122039 (1939-06-01), Tuckey
patent: 5141415 (1992-08-01), Budecker et al.
patent: 5374169 (1994-12-01), Talaski

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