Fluid handling – Convertible – Reversible check
Patent
1980-01-28
1982-06-22
Rosenthal, Arnold
Fluid handling
Convertible
Reversible check
13762548, 251367, F16K 1106, F16K 142
Patent
active
043357393
ABSTRACT:
This invention concerns a slider valve in which a sliding block (10) of generally square cross-section (the corners of which are rounded) is a close sliding fit in a circular bore (14) in a body member (16). At right angles to the axis of the bore (14) and communicating therewith are ports (18) each of which is similar. Each port includes a smaller diameter section in which is located a cylindrical pad (22) of a plastics material having a fluid passage (24) formed therethrough to allow fluid from a tube (26) encased within a metal sheath (28) to pass into a port (30 or 32) in the block (10) if the latter is registering therewith. Two or more such valves can be joined by axially aligning and securing together the cylindrical body member 16 and the end of one block (10) will act on the end of an adjoining block (10) in an adjoining valve.
The movement of the block or blocks axially relative to the body member (16) is effected by means of an actuator (52, 54) at one end of the body member (16) and a similar actuator or spring is provided at the opposite end to return the block (10) to its original position.
The two extreme positions allow the bores (30, 32) in the block (10) to be aligned with selected ones of the ports (18).
Pre-alignment and setting up of each valve or of a plurality of valves arranged in series, can be easily effected by adjusting the relative positions of the bodies (16) and locking the adjusted positions. (FIGS. 1 and 2).
REFERENCES:
patent: 2858851 (1958-11-01), Holl
patent: 3202170 (1965-08-01), Holbrook
patent: 3516442 (1970-06-01), Munroe
patent: 3828821 (1974-08-01), Dotter
Collard Allison C.
Galgano Thomas M.
Rosenthal Arnold
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