Patent · US Active

Fueldraulic air valve

US11448139B2 · kind B2 · utility

0Cited by

5References

17Claims

0Family size

Assignee

Hamilton Sundstrand Corporation (HSC) · US

Inventors

Francis P. Marocchini · Somers, US
Aaron F. Rickis · Feeding Hills, US
August M. Coretto · Manchester, US
Scott W. Simpson · Easthampton, US
Gary R. Marconi · 3a Avenida SO, US
Glenn Gradischer · Canton, US

Key dates

Filing date	May 24, 2019
Grant date	Sep 20, 2022
Priority date	—
Expiry date	Jul 31, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K49/005
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A valve assembly for a turbine engine includes a valve arranged in an air flow path.The valve has a shaft. The valve is movable between an open position and a closed position. A hydraulic actuator is coupled to the shaft. The hydraulic actuator is configured to utilize fuel as a working fluid. The hydraulic actuator is configured to move the valve between the open position and the closed position.

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