Valves and valve actuation – Electrically actuated valve – Including solenoid
Patent
1984-12-11
1985-09-10
Cohan, Alan
Valves and valve actuation
Electrically actuated valve
Including solenoid
137315, 411531, 411546, 335261, 335278, F16K 3102
Patent
active
045401543
ABSTRACT:
A cartridge solenoid poppet valve (10) arranged to use a single size pilot valve (31) with any one of a set of a plurality of different size sets of valve seat members (14) and poppet valves (24). Pilot guides (175) are provided having different transverse extents to accommodate such different size valve members. The valve further includes a flatted pilot guide (32) defining flow passages communicated between a transfer chamber (35) and a pilot valve chamber (30) in which the pilot valve (31) is disposed. A T-slot (58) is provided in the solenoid plunger (38) extending fully diametrically thereacross and the pilot valve includes a T-shaped connecting head (71) received therein. The plunger (38) and plug (41) define cooperating stop surfaces (67,70) for maintaining a small spacing between the plunger and plug at all times. Solenoid structure (53) includes a parallelepiped frame (46) defining a space with the solenoid coil (44) received therein. The portion of the coil space not occupied by the coil is filled with a set synthetic resin. The structure includes a nut (52) threaded to a connecting portion (79) of a plug (41) to bear forcibly against a flange (51) on a washer (50) urging the washer axially outwardly against the solenoid frame (46) and thereby urging the frame outwardly against an adapter (11) arranged to be threaded to a port (73). The outer housing (49) is a configuration generally similar to the external configuration of the frame.
REFERENCES:
patent: 951766 (1910-03-01), Coffin
patent: 2383411 (1945-08-01), Obszarny
patent: 3082359 (1963-03-01), Margiofico et al.
patent: 4055823 (1977-10-01), Anderson
patent: 4341241 (1982-07-01), Boher
Kazi Shaukat
Kolchinsky Abel E.
Baumann Russell E.
Cohan Alan
Fox John C.
Imperial Clevite Inc.
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