Accumulator loading valve

Details Accumulator loading valve Accumulator loading valve

1990-11-16

1993-05-11

Cohan, Alan

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137488, G05D 1604

Patent

active

052092550

ABSTRACT:
An accumulator loading valve is provided which is adapted for elevated pressures, which requires but little space, and which has a pump connection (1), a reservoir connection (20), a priority valve (7) between the consumer connection and the accumulator connection, and a pilot valve (4) being controlled by the accumulator pressure. The improvement is that the operating piston of the two-position pilot valve (4) is prestressed by a spring (28) having a constant spring rate and that the cross section of the valve inlet (19) is smaller than the cross section of the valve discharge (20).

REFERENCES:
patent: 4084604 (1978-04-01), Budecker
patent: 4130127 (1979-12-01), Budecker
patent: 4436279 (1984-03-01), Bonds
patent: 4634099 (1987-01-01), Danko

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