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:
Sep. 30, 2025
Filed:
Mar. 28, 2024
Hamilton Sundstrand Corporation;
Ryan Susca, Windsor, CT (US);
Ryan Shook, Loves Park, IL (US);
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Abstract
A fuel system for a gas turbine engine includes a fuel control with an outlet for connection to a burner. The fuel system includes a first pump unit connected to a gear box. The first pump unit includes a first housing, a first drive shaft connected to the gearbox, and a main pump within the first housing and powered by the first drive shaft. A stability-shutoff valve is in the first housing and includes an inlet connected to an outlet of the main pump. A fuel-oil-cooler bypass valve is in the first housing and includes an inlet connected to an outlet of the stability-shutoff valve and an outlet connected to an inlet of the fuel control. The fuel system also includes a fuel oil cooler with a fuel inlet connected to the outlet of the stability-shutoff valve and a fuel outlet connected to the inlet of the fuel control.