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2. Oscillating cylinder steam engine - Wikipedia

   en.wikipedia.org/wiki/Oscillating_cylinder_steam...

   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.

3. Let an Oscillating Fan Create a Cooling Summer Breeze — and ...

   www.aol.com/let-oscillating-fan-create-cooling...

   Buy: Dreo Cruiser Pro T1 Tower Fan $89.99 . 2. Lasko Elegance & Performance Pedestal Fan RUNNER UP. This is the new and improved version of the standing oscillating fan that most of us grew up with.

4. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

5. Steam engine - Wikipedia

   en.wikipedia.org/wiki/Steam_engine

   An oscillating cylinder steam engine is a variant of the simple expansion steam engine which does not require valves to direct steam into and out of the cylinder. Instead of valves, the entire cylinder rocks, or oscillates, such that one or more holes in the cylinder line up with holes in a fixed port face or in the pivot mounting ( trunnion ).

6. Window fan - Wikipedia

   en.wikipedia.org/wiki/Window_fan

   Some fans contain thermostats which will turn the fan off if the temperature drops to a certain point, or adjustable grilles to direct the flow of air in a particular direction. Other fans offer sophisticated electronic features such as a remote control , automatic shut-off timers , and dimmer-like variable-speed motor controls.

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