Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 6, 2019
Patent Application Number
13320062
Date Filed
October 3, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A shuttle valve has a housing with a plurality of inlet ports, an outlet port for fluid flow, and a passageway for fluid to flow from any one of the inlet ports to the outlet port. Each Inlet port has an associated plunger configured one to the other such that when sufficient pressurized fluid is flowing into any one of the inlet ports, fluid is prevented from flowing into any other inlet port. The plungers include male and female mating portions with a radial seal between them. A biasing spring allows one of the plungers to allow backward fluid flow through the associated inlet port when not under pressure.
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