throttle valve

American  

noun

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

---

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

Q. Will an engine equipped with superheat units move as quickly as a saturated steam locomotive when throttle valve is first opened?

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

In 1837 I employed, as an expansion valve, a rectangular throttle valve, accurately fitting a bored out seat, in which it might be made to revolve, though it did not revolve in working.

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

Before Dick returned, panting and perspiring, with the empty can, Silk was ready to start, with his hand on the throttle valve.

From Sergeant Silk the Prairie Scout by Leighton, Robert