Hydraulic distribution valve

Details Hydraulic distribution valve Hydraulic distribution valve

1985-09-05

1986-12-30

Cohan, Alan

Fluid handling

Systems

Programmer or timer

13762511, 13762521, 13762546, 251175, 251297, 251367, F16K 1102

Patent

active

046321489

ABSTRACT:
A hydraulic distribution valve having two substantially identical, molded plastic shells which are joined at their peripheries to form the distribution valve housing. A shaft is journaled within the housing and extends through one of the shells. A rotor is coupled to the shaft and is rotatably disposed within a rotor chamber defined by the housing. Each shell additionally defines a plurality of axially disposed cavities, where at least two of the cavities of the second shell communicate with the rotor chamber. The second shell also defines an inlet which communicates through a gallery which passes through a portion of the shaft and rotor for communication between the inlet and a control port which is defined by the rotor. The shaft and rotor can be rotated to align the exhaust port with a selected cavity to permit communication between the inlet and the selected cavity.

REFERENCES:
patent: 2979963 (1961-04-01), Snoy
patent: 3076478 (1963-02-01), Winders
patent: 3348804 (1967-10-01), Piccardo
patent: 4310022 (1982-01-01), Cohen

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