In the marine engine, a valve which shuts off the steam in its passage to the slide-valves, when the piston has travelled a certain distance in the cylinder, leaving the remaining part of the stroke to be performed by the expansion of the steam.
·noun Space through which anything is expanded; also, pure space. II. Expansion ·noun The act of ex...
Webster's Dictionary of the English Language
·noun One of the two similar portions of the shell of a diatom. II. Valve ·noun One of the pieces o...
·- ·see Snifting valve. ...
·- A kind of slide valve. ·see Slide valve, under <<Slide>>. ...
·add. ·- A suction valve or check valve at the lower end of a pipe; ·esp., such a valve in a steam-e...
·- A conical valve, opening outward, to close the mouth of a pipe which passes through the side of a...
·add. ·- A small hand-operated valve to admit liquid to operate a valve difficult to turn by hand. ...
·add. ·- A valve permitting a fluid under pressure an easier avenue of escape than normally; specif....
·noun Any fresh-water gastropod of the genus Valvata. ...
A valve by which the first vacuum necessary for starting a steam-engine is produced. ...
The Sailor's Word-Book
In a steamer's engine, is a flat metal plate filling up the passage between the air-pump and the con...
In the marine engine, is a valve covering the top of the barrel of the air-pump, opening when presse...
A flat plate of metal filling up the passage between the air-pump and condenser. The lower valve of ...
A conical valve on the top of the steam-chest, communicating with the boiler of a steam-engine, and ...
In the marine engine (see tail-valve). ...
A valve in the air-pump at the opposite side from the condenser, and connected with the latter by a ...
A valve in the steam-pipe of an engine for preventing the escape of steam, or regulating the velocit...
·- ·see under <<Valve>>. ...
A valve admitting steam into the condenser, in order to clear it of air and water before starting th...
A valve opening from the outside of a steamer's boiler, in order to allow air to enter the boiler wh...
A casing on one side of the cylinder of an engine, which covers the nozzles or steam-ports, and conf...
A rod connecting the slide-valves of an engine, to both of which it is joined; it passes through the...