Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
George H Blume0
Date of Patent
September 6, 2016
0Patent Application Number
140145940
Date Filed
August 30, 2013
0Patent Citations Received
0
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Patent Primary Examiner
Patent abstract
A tungsten carbide seat for high-pressure oilfield well service pumps is disclosed. A bonding agent, in conjunction with an interference tapered fit between the valve seat and fluid end housing eliminates stresses created in prior art interference fits. Three interface embodiments are disclosed: a shallow taper combined with a shoulder, a steep taper without a shoulder, and a compound surface in which the seat has an external concave surface and the housing surface that mates with the seat has a convex surface.
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