The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 25, 1989
Filed:
May. 13, 1988
J Bradley Crump, Duncan, OK (US);
Johnny R Wells, Comanche, OK (US);
Phillip N Naegele, Duncan, OK (US);
Halliburton Company, Duncan, OK (US);
Abstract
A double poppet area relief valve for use in a well treatment pumping system. The relief valve includes a housing comprising a cylinder and a body. A piston is disposed in the cylinder and has a push rod extending therefrom into the body. A double poppet assembly is attached to an end of the push rod. In one embodiment, the double poppet assembly includes a sealing poppet assembly for sealing with a poppet seat when in a closed position and an orificing poppet assembly for providing throttled fluid flow through the body when in an open position. In a second embodiment, a ring holder is attached to the push rod and has a sealing poppet ring and an orificing poppet ring disposed thereon. The sealing poppet ring and the orificing poppet ring function in a manner similar to the sealing poppet assembly and orificing poppet assembly, respectively, of the first embodiment. With both embodiments, wear is minimized on the sealing poppet so that the valve will reseal on the poppet seat when closed after usage.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile