Patent · US Active

Seal-less valves

US11047498B2 · kind B2 · utility

3Cited by

10References

12Claims

0Family size

Assignee

Flowserve Management Company · US

Inventors

Gifford Decker · Spring, US
Varadharajen Lakshamanan · Savanuru, IN
Fred Cain · Orem, US

Key dates

Filing date	Oct 21, 2011
Grant date	Jun 29, 2021
Priority date	—
Expiry date	Jul 2, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K31/088
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A valve assembly including a valve body, an outer housing having rotating shaft containing magnets and being driven by a motor, an inner housing statically sealed to the valve body, and an actuation system enclosed within the inner housing, the actuation system having magnets that are induced by magnetic field created by the rotating shaft magnets.

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