Flow restrictor for solenoid valve

Details Flow restrictor for solenoid valve Flow restrictor for solenoid valve

1991-01-28

1992-04-07

Rosenthal, Arnold

Valves and valve actuation

With restrictor in parallel to main valve

251127, 25112915, 138 42, 138 44, F16K 4108, F15D 114

Patent

active

051020955

ABSTRACT:
The flow restrictor is a unitary one-piece element that can be fabricated from either metal or plastic by casting or molding. In use, it is press fitted into a bore in a solenoid valve body to provide a certain restrictive effect. It has a circular cylindrical central core that has a series of flanges that are axially spaced by gaps. Each flange has a circular outer edge that is interrupted by at least one axially extending through-notch. These notches are arranged to provide a tortuous path for the fluid flow, and sized to create a desired restriction. The restrictor provides two parallel flow paths, one, the tortuous path just described, and two, a through-hole through the core of the restrictor.

REFERENCES:
patent: 1086260 (1914-02-01), Abels
patent: 4466462 (1984-08-01), Morris
patent: 4484597 (1984-11-01), Bravo

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