Valves and valve actuation – With correlated flow path – With mounting or support
Patent
1977-05-20
1978-09-19
Schwadron, Martin P.
Valves and valve actuation
With correlated flow path
With mounting or support
251139, F16K 3106
Patent
active
041148525
ABSTRACT:
An on-off valving mechanism, which is normally stably self-biased to one operating condition and which is magnetically actuable to display the opposite condition, is in the form of a slender elongated generally-cylindrical cartridge having a laterally-offset longitudinal opening running from one cylindrical end to a laterally-recessed section where it merges with a transverse passage terminating in a minute valve seat projecting slightly above the surface of that recessed section; a small disk-like valve member is movable laterally into and out of engagement with the seat by an elongated flat spring member of magnetic material anchored at one end to the other end of the cartridge and having its free end disposed for lateral movements between two stops, one of which is also of magnetic material. The cylindrical end of the cartridge is sealed within a nonmagnetic tube, such that its valve seat becomes the sole port between upstream and downstream ends of the tube, and excitation of an electromagnet surrounding the tube and cartridge sets up longitudinal lines of magnetic flux which draw the spring member into engagement with the stop of magnetic material.
REFERENCES:
patent: 2920254 (1960-01-01), Ray
patent: 3120943 (1964-02-01), Donelan
patent: 3246662 (1966-04-01), Shebanow
patent: 3621864 (1971-11-01), Tonegawa
Chambers A. Michael
Mrose James E.
Schwadron Martin P.
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