sleeve valve

noun

1. an intake or exhaust valve for an engine, consisting of one or more sleeves reciprocating within a cylinder, so that ports in the cylinder and in the sleeves are opposed at regular intervals to open the valve.

sleeve valve

noun

1. (in an internal-combustion engine) a valve in the form of a thin steel sleeve fitted between the cylinder and piston and having a reciprocating and rotary oscillation movement

Word History and Origins

Origin of sleeve valve¹

First recorded in 1910–15

Example Sentences

In this respect it is much like the sleeve-valve motor, where the uncovering of the ports is absolutely positive.

From Project Gutenberg

All latest developments, such as high speed aluminum motors and multiple valve and sleeve-valve engines, are considered in detail.

From Project Gutenberg

The mechanism of a sleeve valve motor is slightly different from that of the poppet valve type.

From Project Gutenberg