Arrangement of fluid pressure passageways in cylinder devices

Details Arrangement of fluid pressure passageways in cylinder devices Arrangement of fluid pressure passageways in cylinder devices

1981-09-24

1983-08-30

Cohan, Alan

Valves and valve actuation

Reciprocating valve

Piston

13762569, 251367, F16K 2700

Patent

active

044012934

ABSTRACT:
An arrangement wherein fluid pressure passageways opening into inner chambers of a cylindrical housing of a valve device, are formed between abutting faces of two axially aligned cylindrical portions comprising the housing. The opening or passageway between the abutting faces is formed by complementarily engaging saw-like teeth formed around the annular abutting faces of the two housing portions. This arrangement provides a smoother surface over which the sealing gasket on a valve member must ride, thus resulting in less wear and tear on the gasket.

REFERENCES:
patent: 2910081 (1959-10-01), Karbowniczek
patent: 3581772 (1971-06-01), Wills

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