Fluid handling – Systems – Multi-way valve unit
Patent
1984-05-09
1986-05-06
Schwadron, Martin P.
Fluid handling
Systems
Multi-way valve unit
251 85, 251251, F16K 11044, F16K 2500, F16K 31524
Patent
active
045865388
ABSTRACT:
A spindle valve for a pipe system for liquids, which valve comprises a frame (1) provided with an inlet connection (2) and at least one outlet connection (3,4) and a valve housing (5) separating the connections from each other, and a spindle (7) mounted axially slidably in the frame and provided with a valve member (8). A closing surface (3a, 6a) cooperating with the valve member is formed in the valve housing for the outlet connection (3 resp. 4) and actuating means displace the valve member between a closing position pressing against the closing surface and an opening position raised from the closing surface in order to close and to open respectively the flow path between the connections. The valve is provided with a locking device for locking the spindle axially undisplaceably at least in the closing position, in order to prevent unintentional opening of the flow path.
REFERENCES:
patent: 261224 (1882-07-01), Groshon
patent: 645696 (1900-03-01), Topp
patent: 845119 (1907-02-01), Pitman
patent: 865568 (1907-09-01), Cooper
patent: 1034882 (1912-08-01), Crane
patent: 1245233 (1917-11-01), Hynes
patent: 2645451 (1953-07-01), Gladder
patent: 2952439 (1960-09-01), Koons
patent: 3534772 (1970-10-01), Stampfli
patent: 3542333 (1970-11-01), Stampfli
patent: 4526200 (1985-07-01), Niskanen
Brochure from 1972 (Pressure Air Operated Valve SRC) Manufactured by Alfa-Laval, Sweden.
Erkki Niskanen Oy
Schwadron Martin P.
Starsiak Jr. John S.
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