Flow control restrictor

Details Flow control restrictor Flow control restrictor

1989-07-03

1990-01-30

Rivell, John

Fluid handling

Line condition change responsive valves

Direct response valves

137528, 13753317, F16K 2102

Patent

active

048966967

ABSTRACT:
A restrictor for use in conduit systems, such as refrigeration and heat pump circuits for controlling the flow of fluid therein. The restrictor incorporates a unique shape to lower the operational noise normally generated by a restrictor without affecting the flow characteristics. Noise level is reduced by utilizing a specific configuration of the outer surfaces of the restrictor with respect to the direction of fluid flow.

REFERENCES:
patent: 2550373 (1951-04-01), Ortloff et al.
patent: 3661175 (1972-05-01), Tillman
patent: 3992898 (1976-11-01), Duell et al.
patent: 4009592 (1977-03-01), Boerger
patent: 4080988 (1978-03-01), Robertson
patent: 4263787 (1981-04-01), Domingorena
patent: 4643222 (1987-02-01), Wiser
patent: 4784177 (1988-11-01), Sepso et al.

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