Patent · US Active

Servovalve actuation

US9447797B2 · kind B2 · utility

2Cited by

7References

17Claims

0Family size

Assignee

Moog Controls Limited · GB

Inventors

Dhinesh Sangiah · Pussellawa, LK
Paul K. Guerrier · Orchard Park, US
Gary Gerard Powers · Shorewood, US

Key dates

Filing date	Mar 15, 2011
Grant date	Sep 20, 2016
Priority date	—
Expiry date	Mar 15, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/2322
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A servovalve pilot stage (100) comprises a piezoelectric actuator (130) joined to a flow guide (132) and feedback wire (136) for connection to a main stage spool valve. The flow guide (132) and the piezoelectric actuator (130) may be integral.

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