Fluid handling – Systems – Multi-way valve unit
Patent
1973-10-19
1976-08-24
Cohan, Alan
Fluid handling
Systems
Multi-way valve unit
291571R, 251324, 251367, F15B 1304
Patent
active
039761037
ABSTRACT:
A sliding spool type valve and method of making the same in which a set of like valve plates and a set of like pot plates are interleaved in a stack to form a laminated valve body having a central valve bore with valve ports at spaced locations therealong and a plurality of lengthwise extending flow passages at uniform angularly spaced positions around the valve bore, the port plates each having a transfer passage extending outwardly from the valve bore and the port plates of the set being disposed at relatively different angular positions in the stack to have the transfer passage communicate with different ones of the lengthwise extending flow passages. The port and valve plates have flat side faces and the plates are clamped together in a stack by bolts extending through angularly spaced bolt openings in the port and valve plates. The valve bore is honed after the plates are assembled in a stack to receive a sliding spool type valve member.
REFERENCES:
patent: 827170 (1906-06-01), Murphy
patent: 2947320 (1960-08-01), Oxley et al.
patent: 3202170 (1965-08-01), Holbrook
patent: 3477685 (1969-11-01), Ring
patent: 3477692 (1969-11-01), Ring
patent: 3598152 (1971-10-01), Andrews
patent: 3719199 (1973-03-01), Mentink
Cohan Alan
Michalsky Gerald A.
Rockford Servo Corporation
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