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.

Date of Patent:
Mar. 21, 2023

Filed:

Aug. 27, 2021
Applicant:

Woodward, Inc., Fort Collins, CO (US);

Inventors:

Domenico Chiera, Fort Collins, CO (US);

John Karspeck, Loveland, CO (US);

Michael Ryan Buehner, Fort Collins, CO (US);

Samuel James McCreery, Loveland, CO (US);

Assignee:

Woodward, Inc., Fort Collins, CO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 21/02 (2006.01); F02D 41/00 (2006.01); F02D 41/38 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0027 (2013.01); F02D 41/38 (2013.01); F02M 21/023 (2013.01); F02M 21/0233 (2013.01); F02M 21/0272 (2013.01); F02D 2041/389 (2013.01); F02D 2200/101 (2013.01);
Abstract

A housing defines a gaseous fuel inlet and a gaseous fuel outlet. A rotor defines an internal flow passage therethrough that rotates with the rotor to, alternately, allow gaseous fuel flow, or to block gaseous fuel flow, between the inlet and the outlet, based on a position of the rotor. A seal is biased to abut an exterior surface of the rotor. The seal is between the rotor and the outlet. An actuator is rotably coupled to the rotor. The driver is configured to rotate the rotor. A controller is in communication with the driver and is configured to control the driver to rotate at a rate based on an engine speed of the engine.


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