Three-position, four-way, short-stroke rotary valve

Details Three-position, four-way, short-stroke rotary valve Three-position, four-way, short-stroke rotary valve

1984-07-05

1986-06-17

Schwadron, Martin P.

Fluid handling

Systems

Multi-way valve unit

251286, F15B 1304, F16K 1106

Patent

active

045950342

ABSTRACT:
Passages are formed in a valve disc to enable the disc to rotate to active positions on either side of a neutral position upon being moved through a relatively small angle of 30 degrees. The passages are of a simplified nature by virtue of the valve disc being formed with a multi-branch pressure passage in which one branch is positively blocked off when pressure fluid is being supplied through the other branch. The valve disc is adapted to be turned between its positions by an elongated handle which is biased to its neutral position and is positively stopped in its active positions.

REFERENCES:
patent: Re30517 (1981-02-01), McClocklin
patent: 2120876 (1938-06-01), Trautner
patent: 2127679 (1938-08-01), Dudley
patent: 2204096 (1940-06-01), Metcalf
patent: 3021869 (1962-02-01), Ross
patent: 3382733 (1968-05-01), Miller et al.
patent: 4342332 (1982-08-01), Lapp

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