Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Benjamin Thrash0
Brian Frank Matteucci0
Date of Patent
March 19, 2013
0Patent Application Number
126537070
Date Filed
December 17, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A shuttle valve useful in connection with operation of underwater blowout preventers employs soft seals sealing an annulus between an inlet bore and the outer periphery of the shuttle to provide hydraulic function control from a high pressure low flow supply source such as a low volume positive displacement pump on a remotely operated vehicle without losing opposing inlet sealing and hydraulic fluid dump the opposing inlet during a return stroke of the pump.
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