Valve subplate for alternative double-acting or single-acting op

Details Valve subplate for alternative double-acting or single-acting op Valve subplate for alternative double-acting or single-acting op

1988-10-31

1990-08-14

Look, Edward K.

Motors: expansible chamber type

With motive fluid valve

For double-acting motor

91469, 91 34, F15B 1300

Patent

active

049477331

ABSTRACT:
A valve with four passages controls a piston (15) disposed in a cylinder (16). Between the body (1) of the valve and the cylinder (16) is disposed a plate (23) having passages (24, 25) which are used and a passage (26) which is not used in FIG. 1. By turning plate (23) 180.degree., the passage (24) is located in the non-use position, while the passage (26) connects the conduits (19 and 13) in such a way as to cause the space (21) of the cylinder (16) to communicate continuously with an exhaust orifice (6).

REFERENCES:
patent: 752472 (1904-02-01), Schilde
patent: 1604587 (1926-10-01), Knight
patent: 3218938 (1965-11-01), Bishop
patent: 3818800 (1974-06-01), Bertaux
patent: 4090429 (1978-05-01), Kamimura

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