Fluid handling – With repair – tapping – assembly – or disassembly means – Assembling – disassembling – or removing cartridge type valve
Patent
1974-08-16
1976-06-29
Cohan, Alan
Fluid handling
With repair, tapping, assembly, or disassembly means
Assembling, disassembling, or removing cartridge type valve
1374546, 1376255, 251129, F16K 1102
Patent
active
039659232
ABSTRACT:
A solenoid-actuated four-way fluid control valve assembly has a body assembly mounting a pair of solenoids and defining two valve chambers each containing an axially elongated generally L-shaped plunger assembly and a pair of valve seats. Each plunger assembly is spring biased to closing engagement with one of the valve seats and is shiftable axially to another position to open the one valve seat and close the other in response to energization of an associated one of the solenoids. A transfer plate mounted on the valve body determines flow paths through the valve assembly and carries needle valves for selectively regulating flow in each of the latter paths. The two plunger assemblies, the biasing springs therefor, and a cartridge which provides a closure for the two valve chambers comprise a cartridge assembly which may be removed from the valve body as a unit to facilitate repair or replacement of operational parts of the valve assembly.
REFERENCES:
patent: 2826215 (1958-03-01), Wolfslau et al.
patent: 2886063 (1959-05-01), Ray
patent: 2916051 (1959-12-01), Taylor
patent: 2916252 (1959-12-01), Hobbs et al.
patent: 3102712 (1963-09-01), Zilk
patent: 3313317 (1967-04-01), Mosier
patent: 3329168 (1967-07-01), Vollmer
patent: 3523676 (1970-08-01), Barker
patent: 3565111 (1971-02-01), Pearson
patent: 3683962 (1972-08-01), Good
patent: 3840047 (1974-10-01), Gibbins
Cohan Alan
Michalsky Gerald A.
Peter Paul Electronics Co., Inc.
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