US Patent 7338027 Fluid saving blowout preventer operator system
Patent 7338027 was granted and assigned to Cameron International on March, 2008 by the United States Patent and Trademark Office.
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A hydraulic blowout preventer operator comprises a piston rod having one end coupled to a closure member. The operator further comprises an operator housing having one end coupled to a bonnet and a second end coupled to a head. The piston rod extends through the bonnet into the operator housing where it is coupled to a piston that is disposed within the operator housing. The piston comprises a body and a flange. A flange seal is disposed on the flange and is sealingly engaged with the operator housing. A body seal is disposed on the body and is sealingly engaged with the operator housing. The flange seal has a sealing diameter greater than a sealing diameter of the body seal.
US Patent 07338027 Fluid saving blowout preventer operator system US Patent 7338027 Fluid saving blowout preventer operator system
US Patent 07338027 Fluid saving blowout preventer operator system
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