Filtering and dampening apparatus

Details Filtering and dampening apparatus Filtering and dampening apparatus

1980-10-06

1982-10-26

Wyse, Thomas G.

Liquid purification or separation

Filter

Medium, cleaner or agitator moved by fluid

2104164, 2395333, B01D 3502

Patent

active

043560911

ABSTRACT:
High pressure fluid systems, such as fuel injection systems for an engine or hydraulic controls, often experience high pressure fluctuations which can cause cavitation in the system components plus secondary fuel injection in the fuel systems. Apparatus (10) is provided for dampening the pressures in such systems, as well as filtering the fluid. The apparatus (10) has a filtering element (36) which does not substantially restrict fluid flow but is movable in response to pressure waves in the fluid which are directed onto the filtering element (36). The filtering element (36) thereby filters the fluid and tends to dampen the effects of the pressure waves, which create the pressure fluctuations, by resisting their movement through the fluid system.

REFERENCES:
patent: 2486133 (1949-10-01), Egger
patent: 3275145 (1966-09-01), Jacobellis
patent: 3327858 (1967-06-01), Eddy et al.
patent: 3655059 (1972-04-01), Johnson
patent: 3890232 (1975-06-01), Combest et al.
patent: 3986795 (1976-10-01), Krane et al.
patent: 4111370 (1978-09-01), Chelgren

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