Electromagnetic two-way valve

Details Electromagnetic two-way valve Electromagnetic two-way valve

1976-06-16

1978-04-04

Schwadron, Martin P.

Fluid handling

Systems

Sequentially progressive opening or closing of plural valves

251 30, 251 45, F16k 3106

Patent

active

040821161

ABSTRACT:
A two-way valve has a valve clack cooperating with a seat and mounted with play in a mobile core of an electromagnetic actuator to provide fluid-assisted opening of the valve. The mobile core moves in a chamber connected to the fluid inlet by a restricted annular passage disposed about the core. Movement of the mobile core towards the open position produces an increase in the cross-sectional area of the restricted passage, so that the fluid assistance is initially great, but then decreases.

REFERENCES:
patent: 2502256 (1950-03-01), Harding, Jr.
patent: 2651744 (1953-09-01), Acklin et al.
patent: 2990155 (1961-06-01), Selinder
patent: 3076630 (1963-02-01), Hammond
patent: 3082359 (1963-03-01), Mangiafico et al.
patent: 3114532 (1963-12-01), Gray et al.
patent: 3154285 (1964-10-01), Houle
patent: 3362679 (1968-01-01), LeWan
patent: 3424951 (1969-01-01), Barker
patent: 3549119 (1970-12-01), Sellers
patent: 3994318 (1976-11-01), Ishigaki

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