Patent · US Active

Valve assembly including a torsion spring coupling a valve shaft and actuator shaft

US7740228B2 · kind B2 · utility

13Cited by

10References

14Claims

0Family size

Assignee

Hamilton Sundstrand Corporation (HSC) · US

Inventors

Scott W. Simpson · Easthampton, US
Peter J. Dowd · Granby, US

Key dates

Filing date	Aug 9, 2006
Grant date	Jun 22, 2010
Priority date	—
Expiry date	Dec 15, 2026

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K31/045
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A valve assembly comprises a flow control valve including a valve shaft, an electrical actuator comprising an actuator output shaft, and a torsion spring coupling the valve shaft and the actuator output shaft.

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