Fluid handling – Line condition change responsive valves – Bi-directional flow valves
Patent
1988-10-14
1989-10-10
Hepperle, Stephen
Fluid handling
Line condition change responsive valves
Bi-directional flow valves
99330, 99403, 1375123, 137571, F16K 1718
Patent
active
048724742
ABSTRACT:
One end of a valve assembly has a first check valve arrangement and is positioned in a channel connecting a variable volume reservoir and a second chamber. The other end of the valve assembly has a second check valve and is attached to a movable wall of the variable volume reservoir. Each check valve includes an element which opens in response to pressure changes in the variable volume reservoir: the first check valve opening in response to pressure increases while the second check valve opens in response to pressure decreases. The valve assembly is bodily movable with the wall of the variable volume reservoir such that the first check valve reciprocates in the channel.
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Girlock Harry
Green Glen R.
Middleton Philip N.
Hepperle Stephen
Ore-Ida Vended Products, Inc.
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