Fast response solenoid valve

Details Fast response solenoid valve Fast response solenoid valve

1982-08-25

1986-09-09

Lyddane, William E.

Fluid handling

With repair, tapping, assembly, or disassembly means

Removable valve with normally disabled supplemental check valve

25112914, 25112915, 13762517, 13759617, 137864, 137901, F16K 5100, F16K 3102

Patent

active

046102671

ABSTRACT:
A fast-response solenoid valve. A three-way form has a body with three successive separated openings interconnected by a linear fluid pathway having two chambers lying between successive pairs of openings, each with a movable ball and a ball seat in respective ball cages. Each cage has a cylindrical exterior wall in snug engagement with the wall of the linear fluid passageway, a seat at one end, and a tanged retainer portion at the other end, so that, each ball is retained in its cage for limited axial movement between its seat and its tanged portion. A cylindrical non-magnetic tube is aligned with the linear fluid pathway, one end of the tube abutting a portion of the body. A non-magnetic end plug is held at a fixed position at the distal end of the tube, and a magnetic guide plug is held at a fixed position in the tube spaced away from the end plug. A solenoid plunger is in said tube, movable in between the two plugs and in connection with a plunger pin that engages one of the balls. There is also a two-way valve form.

REFERENCES:
patent: 1206216 (1918-11-01), Gray
patent: 1702580 (1927-02-01), Thaete
patent: 4391292 (1983-07-01), Millar

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