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:
Oct. 28, 2025
Filed:
Apr. 21, 2023
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Erin E. Berry, Roscoe, IL (US);
Donna Laboda, Roscoe, IL (US);
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Abstract
A piston assembly includes a housing, a piston positioned within the valve housing, and an inductive proximity probe sensor positioned on the housing configured to detect a position of the piston with the housing. The piston is configured to at least one of rotate or translate axially relative to the housing. The piston includes a variable surface. A fuel control system includes the piston assembly, a servo valve in fluid communication with the piston assembly, and an engine controller. The engine controller is operatively connected to the inductive proximity probe sensor.