The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 2021
Filed:
Mar. 03, 2016
Applicant:
Woodward, Inc., Fort Collins, CO (US);
Inventors:
Mark Williams, Thousand Oaks, CA (US);
William Ernest Stone, Santa Clarita, CA (US);
Oscar R. Arguelles, Palmdale, CA (US);
Ori Dov Chen-Zion, West Hills, CA (US);
Assignee:
Woodward, Inc., Fort Collins, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/42 (2006.01); F15B 18/00 (2006.01); F15B 19/00 (2006.01); B64F 5/60 (2017.01); F16K 11/07 (2006.01); B64C 13/42 (2006.01); F15B 13/04 (2006.01);
U.S. Cl.
CPC ...
F16K 31/426 (2013.01); B64C 13/42 (2013.01); B64F 5/60 (2017.01); F15B 18/00 (2013.01); F15B 19/005 (2013.01); F16K 11/07 (2013.01); F15B 2013/0409 (2013.01); F15B 2211/6336 (2013.01); F15B 2211/8757 (2013.01);
Abstract
Embodiments of the disclosure include a redundant control system for a vehicle. The redundant control system includes first and second actuator pistons mechanically coupled to one another and disposed in respective first and second fluid chambers. The first and second actuator pistons are movable by first and second primary stages. One of the primary stages includes a bypass valve with a pilot valve actuatable in response to movement of the first actuator piston.