Rotary control valves with pressure-reducing means

Details Rotary control valves with pressure-reducing means Rotary control valves with pressure-reducing means

1985-08-30

1987-05-19

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762532, 251127, 251209, F16K 4704

Patent

active

046659463

ABSTRACT:
The rotary control valve comprises a casing having a pair of axially-opposed ports. A valve chamber is rotatably mounted in the casing. A stem adjustably rotates the valve chamber for controlling the flow through the ports. The valve chamber has a pair of axially-opposed, off-center orifices, each being contiguous to and movable into and out of partial and full registration with its associated port. An off-center tube is disposed inside chamber and extends between the orifices. A pressure-reducing medium in the valve chamber. The medium includes a plurality of stacked, axially-spaced discs, each having a pattern of axial holes for dividing the flow thereacross.

REFERENCES:
patent: 1623248 (1927-04-01), Joseph et al.
patent: 1968391 (1934-07-01), Hamilton
patent: 4212321 (1980-07-01), Hulsey

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