Valves and valve actuation – Electrically actuated valve – Having means to produce proportional flow
Patent
1987-03-27
1988-08-30
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Having means to produce proportional flow
25112914, 25112917, 25112918, 291571R, F16K 3106
Patent
active
047670975
ABSTRACT:
A valve-proportional solenoid arrangement is provided in a unitary housing. The spring elements of the solenoid are mounted within this housing in the nature of a clamped cartridge. Fluid movement through the valve is adjustable by either movement of the valve seat or the solenoid polepiece within the housing. The solenoid elements are secured into the housing by a threaded cap at one end. The valve elements are secured into the housing by a threaded cap at another end. In alternative embodiments, to assist in threaded securing of the armature to the retainer, portions of the circumference are flattened, although without altering the working area of the magnetic field with respect to the polepiece.
REFERENCES:
patent: 2697581 (1954-12-01), Ray
patent: 3529620 (1970-09-01), Leiber
patent: 4463332 (1984-07-01), Everett
patent: 4640391 (1987-02-01), Maehara et al.
Bixler Randall L.
Dalton, Jr. Richard L.
Everett William F.
Bixler Randall L.
Dalton, Jr. Richard L.
Everett William F.
Rosenthal Arnold
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