Fluid filter with integral viscous damper

Details Fluid filter with integral viscous damper Fluid filter with integral viscous damper

1981-10-19

1984-01-31

Castel, Benoit

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

210349, 210541, B01D 2710, B01D 3514

Patent

active

044288344

ABSTRACT:
The specification discloses an improved fluid filter (10) including a housing (12), cover (26), spring biased filter element (30) movable between normal and bypass positions, and viscous damper (50) for eliminating oscillation of the filter element. The damper (50) can comprise either a circumferential integral step (52) formed in the filter housing (12) or a separate sleeve (54) inserted therein, located a predetermined distance below the lower end of the filter element (30) when the filter element is in the normal position.

REFERENCES:
patent: 3314541 (1967-04-01), Rosaen
patent: 3814251 (1974-06-01), Aspinwall et al.
patent: 3819052 (1974-06-01), Firth
patent: 3827558 (1974-08-01), Firth
patent: 3847819 (1974-11-01), Firth
patent: 4051031 (1977-09-01), Suzuki
patent: 4316801 (1982-02-01), Cooper

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