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This is geometrically an inverted Wankel engine that operates on the high-efficiency hybrid cycle. [1] [2] In the Wankel, the only successful pistonless rotary engine to date, a figure-eight-like epitrochoid housing surrounds a curved sided triangular rotor. The rotor revolves around a fixed gear in a hula-hoop motion. The output shaft revolves ...
The Wankel engine is a type of rotary piston engine and exists in two primary forms, the Drehkolbenmotor (DKM, "rotary piston engine"), designed by Felix Wankel (see Figure 2.) and the Kreiskolbenmotor (KKM, "circuitous piston engine"), designed by Hanns-Dieter Paschke [2] (see Figure 3.), of which only the latter has left the prototype stage ...
Another motorcycle with a rotary engine was Charles Redrup's 1912 Redrup Radial, which was a three-cylinder 303 cc rotary engine fitted to a number of motorcycles by Redrup. In 1904 the Barry engine , also designed by Redrup, was built in Wales: a rotating 2-cylinder boxer engine weighing 6.5 kg [ 3 ] was mounted inside a motorcycle frame.
Reciprocating piston engines are by far the most common power source for land and water vehicles, including automobiles, motorcycles, ships and to a lesser extent, locomotives (some are electrical but most use diesel engines [16] [17]). Rotary engines of the Wankel design are used in some automobiles, aircraft and motorcycles.
The standard engine includes a muffler exhaust system and an intake air filter. The standard starter is a recoil start type, with an electric starter optional. An integral alternating current generator produces 12 volts. [1] The Rotax 532 was replaced in production by the improved Rotax 582 engine design. The 582 increased the cylinder bore ...
A Fluidyne engine is an alpha or gamma type Stirling engine with one or more liquid pistons. It contains a working gas (often air), and either two liquid pistons or one liquid piston and a displacer. [1] The engine was invented in 1969. [2] The engine was patented in 1973 by the United Kingdom Atomic Energy Authority. [3] [2]
The main cause of Wankel Diesel engine infeasibility is the shape of the combustion chamber, located in the rotary piston. It is elongated and convex, thus not allowing a high enough compression ratio (without too much heat loss), [ 7 ] even in combination with a (solely crankshaft or exhaust gas driven) supercharger.
Linear motion can come from either a diaphragm or piston actuator, while rotary motion is supplied by either a vane type air motor, piston air motor, air turbine or gear type motor. Pneumatic motors have existed in many forms over the past two centuries, ranging in size from hand-held motors to engines of up to several hundred horsepower.