Cylinder-mounted rotary valve

Details Cylinder-mounted rotary valve Cylinder-mounted rotary valve

1986-05-20

1987-11-17

Nilson, Robert G.

Fluid handling

Systems

Multi-way valve unit

91445, 91533, F16K 11085

Patent

active

047067101

ABSTRACT:
A cylinder valve includes a body with a threaded extension defining a first output port which screws directly into the cylinder port. An input port connected to a source of hydraulic fluid communicates with the first output port through an axially extending passage in a cylindrical valve spool. The passage also communicates with a second output port axially aligned with the first port and connected through a hose to a second cylinder which operates in unison with the first cylinder. A handle is provided for rotating the spool ninety degrees to block the ports and lock the cylinders against movement. The valve is particularly useful for locking the basket lift cylinders on a cotton harvester in the raised position for maintenance work.

REFERENCES:
patent: 1031528 (1912-07-01), Cole
patent: 1805521 (1931-05-01), Hansen
patent: 2964908 (1960-12-01), Pomper
patent: 3005968 (1961-10-01), Jones
patent: 4356760 (1982-11-01), Bouteille

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