Solenoid operated cartridge valve

Details Solenoid operated cartridge valve Solenoid operated cartridge valve

1992-04-09

1993-04-27

Walton, George L.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 38, 25112915, 335262, 335278, F16K 3140, F16K 3142

Patent

active

052055310

ABSTRACT:
A lower cost valve results from the use of a single machined part for a valve housing. The housing is made of a non-magnetic material which can be less expensive and eliminates the requirement for screens or filters in automotive applications. A threadable connection connects a tube stop to the valve housing eliminating the requirement of braising in manufacturing. Finally, a one-piece plunger and pilot valve with a high guiding length minimizes tilting of the pilot. The one-piece housing allows for one common bore for guiding the plunger with the pilot and the poppet. The two ideal concentric surfaces make the poppet outer diameter concentric to the pilot hole.

REFERENCES:
patent: 3405906 (1968-10-01), Keller
patent: 4304264 (1981-12-01), McClintock et al.
patent: 4526340 (1985-07-01), Kolchinsky et al.
patent: 4540154 (1985-09-01), Kolchinsky et al.
patent: 4725039 (1988-02-01), Kolchinsky
patent: 4746093 (1988-05-01), Scanderbeg
patent: 4995586 (1991-02-01), Gensberger et al.
patent: 5002253 (1991-03-01), Kolchinsky et al.

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