Patent · US Active

Method of forming stators for downhole motors

US10920493B2 · kind B2 · utility

1Cited by

6References

15Claims

0Family size

Assignee

Baker Hughes, a GE company, LLC · US

Inventors

Witali Huber · Laatzen, DE
Gunnar Michaelis · Winsen (Aller), DE
Carsten Hohl · Sehnde, DE
Erik Bartscherer · Hannover, DE
Harald Grimmer · Celle, DE
Christian Fulda · Sulingen, DE
Dorothea Marion Fischer · Hannover, DE
Thorsten Regener · Celle, DE

Key dates

Filing date	Feb 21, 2017
Grant date	Feb 16, 2021
Priority date	—
Expiry date	Jun 15, 2038

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49242
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A method of making a stator includes positioning an inner tubular member having an inner surface within an outer tubular member, installing a rigid mandrel within the inner tubular member, and applying a compressive force to at least one of the inner tubular member and the outer tubular member.

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