Valve arrangement for high pressure pumps

Details Valve arrangement for high pressure pumps Valve arrangement for high pressure pumps

1986-04-08

1988-02-02

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

1375395, F16K 1706

Patent

active

047223596

ABSTRACT:
A relief valve for high pressure pumps is described which is characterized by its extremely compact construction and complete reliability against leakage. The relief valve has a valve ball in the bypass path which is pressed by a high and preferably adjustable force against the valve seat, by means of a compression spring which is located entirely in the housing of the unloader. The spigot which acts against the ball in the bypass path is actuated by means of a piston which is acted on by the output pressure over its entire cross-sectional area.

REFERENCES:
patent: 2174797 (1939-10-01), Magnuson
patent: 2313351 (1943-03-01), Magnuson
patent: 2342001 (1944-02-01), Magnuson
patent: 2362713 (1944-11-01), Mott
patent: 2397117 (1946-03-01), Ashton et al.
patent: 2487575 (1949-11-01), Mercier
patent: 2622611 (1952-12-01), Stark
patent: 3575192 (1971-04-01), MacDuff
patent: 3608824 (1971-09-01), Ballou
patent: 3834413 (1974-09-01), Peterson
patent: 3848619 (1974-11-01), Cochrane
patent: 4246924 (1981-01-01), Droitsch et al.

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