US Patent 7374146 Dual-cylinder blowout preventer operator system
Patent 7374146 was granted and assigned to Cameron International on May, 2008 by the United States Patent and Trademark Office.
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A hydraulic blowout preventer operator comprises a first piston rod coupled to a closure member. The operator further comprises a first operator housing coupled to a bonnet and a head. The first piston rod extends through the bonnet into the first operator housing where is couples to a first piston disposed within the first operator housing. The operator further comprises a second piston rod coupled to the closure member. The second piston rod has a longitudinal axis that is parallel to a longitudinal axis of the first piston rod. The second piston rod extends through the bonnet into a second operator housing and is coupled to a second piston that is disposed within the second operator housing.
US Patent 07374146 Dual-cylinder blowout preventer operator system US Patent 7374146 Dual-cylinder blowout preventer operator system
US Patent 07374146 Dual-cylinder blowout preventer operator system
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