Self-lapping type valve device

Details Self-lapping type valve device Self-lapping type valve device

1986-12-09

1988-02-16

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

1376275, 303 54, G05D 1606

Patent

active

047248599

ABSTRACT:
A self-lapping type valve device having a construction in which the pressure force acting on the valve assembly is substantially the same when the valve assembly is in a lap condition following either a pressure-buildup phase of control or a pressure-release phase of control, thereby reducing hysteresis heretofore affecting such valve devices.

REFERENCES:
patent: 3071147 (1963-01-01), Dudzinski
patent: 3411523 (1968-11-01), Lapera
patent: 4324436 (1982-04-01), Reinecke

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