flap valve
Americannoun
Etymology
Origin of flap valve
First recorded in 1865–70
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A light flap valve to keep out the cold in winter is also a desirable feature for the overflow pipe.
From Rural Hygiene by Ogden, Henry N. (Henry Neely)
The churned-up soil is removed by a sand pump, which is a hollow tube with a flap valve at the lower end opening inwards and a hook on the upper end.
From Rural Hygiene by Ogden, Henry N. (Henry Neely)
From the bottom of the condenser a short pipe leads to the air pump J, and in this pipe there is a flap valve, called the foot valve, opening towards the air pump.
From A Catechism of the Steam Engine by Bourne, John, C.E.
A flap valve is provided between the two chambers to prevent the gasoline in the lower one from being sucked back into the upper one.
From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred
It consists of a cylindrical chamber, a, ending in a narrower tube, c, which forms the seating for a flap valve, d, to which the hammer or clapper, e, is fixed.
From Scientific American Supplement, No. 458, October 11, 1884 by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
