Air pressure regulator

Details Air pressure regulator Air pressure regulator

1978-04-03

1980-03-25

Cline, William R.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

13750511, 13750525, F16K 3112, G05D 1100

Patent

active

041945220

ABSTRACT:
An air pressure regulator includes a housing having inlet and outlet ports extending along a common axis. A movable valve member and a piston are positioned in the housing on opposite sides of a housing flow passage. The movable valve member is adjacent the inlet port while the piston is adjacent the outlet port. The piston has a central stem extending through the housing flow passage in radially-spaced relationship thereto for engaging the movable valve member. The piston is normally biased in a direction toward the movable valve member for holding same displaced from a seat around the housing flow passage. When a predetermined pressure exists at the outlet port, the piston moves away from the movable valve member for allowing same to move into engagement with a seat around the housing flow passage for closing such passage.

REFERENCES:
patent: 3064670 (1962-11-01), Peras
patent: 3074426 (1963-01-01), Billington
patent: 3181560 (1965-05-01), Worden et al.
patent: 3442502 (1969-05-01), Fischer et al.
patent: 3482591 (1969-12-01), Dufresne
patent: 3590847 (1971-07-01), Worden
patent: 3630234 (1971-12-01), Hoffman
patent: 3656497 (1972-04-01), Brown

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