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A four-stroke, air-cooled unit, it had seven cylinders and a variable compression ratio, altered by changing the wobble-plate angle and hence the length of piston stroke. [3] It was called a "rotary engine", because the entire engine rotated apart from the end casings. Ignition was supplied by a Bosch magneto directly driven from the cam gears.
Hulsebos-Hesselman axial oil engines were five cylinder, four stroke, wobble plate engines that originated in and were used throughout the Netherlands during the late 1930s. [1] Numerous patents can be found concerning this engine, [ 2 ] all of which appear to attribute the engine's "wabbler" operating principles to the inventor Wichert Hulsebos.
Swashplates can be used in an axial engine in place of a crankshaft to translate the motion of a piston into rotary motion. Such engines are the only variation of the cam engine to have any success. Internal combustion engines and Stirling engines have been built using this mechanism. Duke Engines has been working on such a platform since 1993. [3]
Wobble-plate engine; This page was last edited on 31 December 2018, at 19:10 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
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 ...
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.
Many residential central heat pump and air conditioning systems and a few automotive air conditioning systems employ a scroll compressor instead of the more traditional rotary, reciprocating, and wobble-plate compressors. A scroll compressor operating in reverse is a scroll expander, and can generate mechanical work.
A similar engine to the swashplate engine is the wobble plate engine, also known as nutator or Z-crank drive. This uses a bearing that purely nutates, rather than also rotating as for the swashplate. The wobble plate is separated from the output shaft by a rotary bearing. [2] Wobble plate engines are thus not cam engines.