Patent · US Active

Flow diverter ring for reducing wear in mud saver valves

US8820407B2 · kind B2 · utility

0Cited by

12References

22Claims

0Family size

Assignee

SMITH INTERNATIONAL, INC. · US

Inventors

Brian Mohon · Spring, US
Vishal Saheta · Houston, US

Key dates

Filing date	Jan 28, 2013
Grant date	Sep 2, 2014
Priority date	—
Expiry date	Jan 28, 2033

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B21/106
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A valve assembly includes a main housing having a central bore therethrough, an upper valve subassembly disposed within the main housing, the upper valve subassembly including an upper seat configured to contact a corresponding lower seat of a lower valve subassembly, and a flow diverter ring disposed proximate the upper seat of the upper valve subassembly, wherein the flow diverter ring is configured to direct a fluid flow radially away from the upper seat of the upper valve subassembly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.