Valve construction

Details Valve construction Valve construction

1981-10-22

1984-10-23

Cohan, Alan

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

251297, 91422, 18832215, F16K 4710

Patent

active

044783876

ABSTRACT:
A series of hydraulic shock absorbers all using the same piston. This is attained by giving no damping function to the liquid passages in the pistons, by which all pistons can be provided with an equal number of passages with a fixed, relative large cross-section. Thus, all pistons are equal. The damping function is taken over by an annular damping member between the piston and the valve.

REFERENCES:
patent: 394424 (1888-12-01), Wilkinson
patent: 1028400 (1912-06-01), Stanton
patent: 1273011 (1918-07-01), Snyder
patent: 1432900 (1922-10-01), Quiroga
patent: 1618326 (1927-02-01), Cosentino
patent: 2487472 (1949-11-01), Patriquin
patent: 3088556 (1963-05-01), Bourcier De Carbon
patent: 3365033 (1968-01-01), Willich
patent: 3827538 (1974-08-01), Morgan
patent: 3937307 (1976-02-01), de Kock
patent: 4298102 (1981-11-01), Nishikawa et al.

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