Search results
Results from the WOW.Com Content Network
An oscillating cylinder engine cannot be reversed by means of the valve linkage (as in a normal fixed cylinder) because there is none. Reversing of the engine can be achieved by reversing the steam connections between inlet and exhaust or, in the case of small engines, by shifting the trunnion pivot point so that the port in the cylinder lines up with a different pair of ports in the port face.
A steam-powered aircraft is an aircraft propelled by a steam engine. Steam power was used during the 19th century, but fell into disuse with the arrival of the more practical internal combustion engine at the beginning of the pioneer era. Steam power is distinct from its use as a lifting gas in thermal airships and early balloons.
Diagram showing lap and lead and their relation to valve travel. When on the move, a steam locomotive requires steam to enter the cylinder at precise times relative to the piston's position. [3] This entails controlling the admission and exhaust of steam to and from the cylinders with a valve linked to the motion of the piston. [3]
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be transformed by a connecting rod and crank into rotational force for work.
Collects steam at the top of the boiler (well above the water level) so that it can be fed to the engine via the main steam pipe, or dry pipe, and the regulator/throttle valve. [2] [5] [6]: 211–212 [3]: 26 Air pump / Air compressor Westinghouse pump (US+) Powered by steam, it compresses air for operating the train air brake system.
To change this template's initial visibility, the |state= parameter may be used: {{Steam engine configurations | state = collapsed}} will show the template collapsed, i.e. hidden apart from its title bar. {{Steam engine configurations | state = expanded}} will show the template expanded, i.e. fully visible.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate