Minimum pressure retention valve

Details Minimum pressure retention valve Minimum pressure retention valve

1985-11-01

1987-05-12

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

1375122, 1375137, 188314, 267 6428, 280714, 280DIG1, F16K 1726

Patent

active

046641416

ABSTRACT:
A minimum pressure retention valve which is adapted to be connected in the air circuit of a vehicle load leveler system, and wherein the minimum set pressure is easily and reliably adjusted and the valve permits rapid pressurization of the load leveler system while retaining the set pressure when the air supply is off.

REFERENCES:
patent: 2323237 (1943-06-01), Payne
patent: 2820469 (1958-01-01), Seeler
patent: 3200843 (1965-08-01), Jackson
patent: 3604450 (1971-09-01), Botkin
patent: 4010721 (1977-03-01), Ludwig
patent: 4040404 (1977-08-01), Tagawa
patent: 4046163 (1977-09-01), Novak
patent: 4241751 (1980-12-01), Nonoyama et al.
patent: 4458711 (1984-07-01), Flider
patent: 4504081 (1985-03-01), Shimizu et al.
patent: 4570972 (1986-02-01), Pangos

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