Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 16, 2016
Patent Application Number
13899752
Date Filed
May 22, 2013
Patent Citations Received
Patent Primary Examiner
Patent abstract
A positive displacement pump fluid end with multiple fluid chambers and each fluid chamber comprising a valve body, valve seal, seat, spring, and external guide. External top male stem guide is integral to the fluid end discharge cover or the suction valve spring retainer. Female guide is internal and integral with the valve body. When the valve opens hydrodynamic forces and moments align the valve to prevent rotation. An embodiment features tapered male and female guide members to further assist in correct alignment of the valve with the seat. Various additional embodiments assist in venting any trapped fluids between the male and female portions of the guide.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
