throttle valve

American  

noun

1. a valve for throttling the working fluid of an engine, refrigerator, etc.

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Etymology

Origin of throttle valve

First recorded in 1805–15

Example Sentences

A sticky throttle valve doomed a rocket-landing try in April 2015.

From Scientific American • Sep. 14, 2017

I'm just dreaming about how to make a throttle valve.

From Time Magazine Archive

Considering the cramped condition inside the smokebox, there would seem to be little space for the addition of the throttle valve; hence its present location.

From The 'Pioneer': Light Passenger Locomotive of 1851 United States Bulletin 240, Contributions from the Museum of History and Technology, paper 42, 1964 by White, John H.

Diagrams taken from engines worked in this manner show a very excellent result, and most of the modern engines trust for their expansive working to the link motion and the throttle valve.

From A Catechism of the Steam Engine by Bourne, John, C.E.

Q. What should be done in case the throttle valve stem became disconnected while the valve is closed?

From The Traveling Engineers' Association To Improve The Locomotive Engine Service of American Railroads by Anonymous