公开(公告)号：US11703134B2

公开(公告)日：2023-07-18

申请号：US17408212

申请日：2021-08-20

Applicant: Hamilton Sundstrand Corporation

Inventor： Aaron F. Rickis ,  Lukasz Burek ,  Sachin Ramprashad ,  Steve Doerner ,  Wayne S. Johnson, Jr.

IPC: F16K11/07 ,  F02C7/232 ,  F02C9/26 ,  F16K31/122

CPC classification number: F16K11/0708 ,  F02C7/232 ,  F02C9/263 ,  F16K31/1221 ,  F05D2220/32

Abstract: A metering valve has a shutoff position at which it blocks flow from the metering valve outlet line from reaching an outlet to a use. A spool has a first end and a second end. The housing has a first shoulder associated with the first end and a second shoulder associated with the second end. In the shutoff position, the spool has the first end spaced from the first shoulder, and the second end spaced from the second shoulder. A fuel system for a gas turbine engine is also disclosed.