Patent · US Active

Pressure compensation device for thread connections

US9097068B2 · kind B2 · utility

0Cited by

4References

14Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

Detlev Benedict · Celle, DE
Robert Buda · Celle, DE
Stephan Mueller · Celle, DE
Rene Schulz · Rabenau, DE

Key dates

Filing date	Dec 19, 2012
Grant date	Aug 4, 2015
Priority date	—
Expiry date	Jul 30, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16L15/08
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A threaded tubular section includes a first tubular member made of a first material, the first tubular member including a threaded pin section. The section also includes a second tubular member made of a second material, the second tubular member including a threaded box section to mate with the threaded pin section. A pressure equalization device made of a third material is disposed between the first tubular member and the second tubular member, the pressure equalization device including one or more openings to equalize pressure in an interior of a thread connection of the first and the second tubular members with pressure in a bore or an annulus of the first and the second tubular members.

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