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1
Rotary Engine
Rotary Engine
::2008/05/06::
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2
Quadra Chime design ( Rotary Engine )
Quadra Chime design ( Rotary Engine )
::2012/09/05::
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3
Think New Box Presents The Quadra Chime Rotary Engine Engineers and Investors join the Team
Think New Box Presents The Quadra Chime Rotary Engine Engineers and Investors join the Team
::2012/06/21::
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4
New type of internal combustion rotary piston engine : patented invention
New type of internal combustion rotary piston engine : patented invention
::2013/10/02::
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5
Experimental Rotary Engines: Model 32
Experimental Rotary Engines: Model 32
::2007/05/22::
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6
Reality Escapade Kid Wankel Rotary Engine aircraft
Reality Escapade Kid Wankel Rotary Engine aircraft
::2014/07/29::
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7
Radial Air Engine
Radial Air Engine
::2011/03/27::
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8
Comber Rotary Engine
Comber Rotary Engine
::2009/03/08::
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9
[1.7] 3x3 Pistonless Door
[1.7] 3x3 Pistonless Door
::2013/09/22::
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10
Killoah Tests MineCraft - Episode 2 - Pistonless Item Elevator
Killoah Tests MineCraft - Episode 2 - Pistonless Item Elevator
::2014/08/31::
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11
Lava Door [Fast, Compact, Pistonless]
Lava Door [Fast, Compact, Pistonless]
::2013/11/28::
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12
An update on Pistonless Hybrids
An update on Pistonless Hybrids
::2013/08/26::
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13
1bis - Motore rotativo sferico a pistone oscillante G. Caoduro - Rotary piston engine
1bis - Motore rotativo sferico a pistone oscillante G. Caoduro - Rotary piston engine
::2014/06/19::
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14
Quadrachime rotary engine
Quadrachime rotary engine
::2012/06/28::
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15
[FR] Pistonless Endermen Farm | Tutoriel Minecraft [1.8 and +][ST EN]
[FR] Pistonless Endermen Farm | Tutoriel Minecraft [1.8 and +][ST EN]
::2014/03/16::
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16
rotary internal combustion engine
rotary internal combustion engine
::2007/10/04::
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17
First Ever Pistonless CUD!!! (Semi Silent Tile Comparator Update Detector)
First Ever Pistonless CUD!!! (Semi Silent Tile Comparator Update Detector)
::2013/06/08::
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18
Minecraft Pistonless Sugarcane Farm
Minecraft Pistonless Sugarcane Farm
::2013/12/05::
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19
[Tutorial] 1-Wide pistonless invisible door [1.6.2]
[Tutorial] 1-Wide pistonless invisible door [1.6.2]
::2013/10/22::
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20
Fast pistonless t flip flop for Nootch
Fast pistonless t flip flop for Nootch
::2013/03/02::
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21
How to make a pistonless bud
How to make a pistonless bud
::2013/09/21::
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22
[Redstone 101] Pistonless Elevator
[Redstone 101] Pistonless Elevator
::2013/09/27::
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23
Minecraft 1.7.2 PISTONLESS door
Minecraft 1.7.2 PISTONLESS door
::2013/10/25::
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24
Minecraft Pistonless and Dropperless Item Elevator
Minecraft Pistonless and Dropperless Item Elevator
::2013/10/14::
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25
Sky Den - Episode 4 - Waterless and Pistonless Mob Spawner
Sky Den - Episode 4 - Waterless and Pistonless Mob Spawner
::2013/08/24::
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26
Silent, pistonless 7 segment display
Silent, pistonless 7 segment display
::2013/08/09::
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27
minecraft how to ep.2 :: pistonless t flip flop
minecraft how to ep.2 :: pistonless t flip flop
::2014/01/11::
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28
Minecraft -
Minecraft - ''The Flatlander'' Episode 8: Pistonless, redstoneless automatic wheat farm
::2012/02/19::
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29
Rotary Spark Ignited Internal Combustion Engine
Rotary Spark Ignited Internal Combustion Engine
::2009/01/15::
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30
Redstone: Silent/Pistonless Good Guy Door
Redstone: Silent/Pistonless Good Guy Door
::2013/10/06::
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31
how to make a pistonless BUD switch
how to make a pistonless BUD switch
::2012/12/06::
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32
proposed rotary Stirling engine
proposed rotary Stirling engine
::2009/08/12::
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33
Pistonless T-Flip Flop
Pistonless T-Flip Flop
::2012/11/22::
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34
ZZ Machine with rotary fraisoidal spherical piston
ZZ Machine with rotary fraisoidal spherical piston
::2009/12/31::
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35
Toyota developing free piston engine linear generator
Toyota developing free piston engine linear generator
::2014/05/03::
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36
A  running internal combustion engine using synchrotron X-ray beams
A running internal combustion engine using synchrotron X-ray beams
::2013/10/15::
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37
Homemade Electric Water Pump - Piston Type
Homemade Electric Water Pump - Piston Type
::2012/06/25::
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38
TROPE : Toroidal Opposed Piston Engine
TROPE : Toroidal Opposed Piston Engine
::2010/12/19::
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39
Steam engine
Steam engine
::2014/04/29::
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40
MAE52 Design Project - 2 Rotor Engine
MAE52 Design Project - 2 Rotor Engine
::2014/06/12::
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41
AFRL tests rocket engine turbo pump
AFRL tests rocket engine turbo pump
::2011/07/29::
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42
Electric piston engine(radial).wmv
Electric piston engine(radial).wmv
::2010/02/01::
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43
Di Pietro Compressed Air Motor - Engineair
Di Pietro Compressed Air Motor - Engineair
::2010/06/15::
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44
JAXA free piston stirling engine
JAXA free piston stirling engine
::2007/03/30::
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45
Combustion Chamber of Patented Blom Engine
Combustion Chamber of Patented Blom Engine
::2009/07/11::
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46
RX8 Mega Gathering 2010 - Feature Length
RX8 Mega Gathering 2010 - Feature Length
::2011/03/23::
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47
Crankshaft
Crankshaft
::2014/07/29::
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48
Automobile
Automobile
::2014/07/13::
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49
87 RX7 13B N/A Open Header
87 RX7 13B N/A Open Header
::2010/05/14::
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50
Mazda 787B onboard lap with Johnny Herbert at Le Mans 2011
Mazda 787B onboard lap with Johnny Herbert at Le Mans 2011
::2011/06/15::
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From Wikipedia, the free encyclopedia
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This article is about pistonless design. For other uses of this term, see rotary engine (disambiguation). For the early piston design, see rotary engine.

A pistonless rotary engine is an internal combustion engine that does not use pistons in the way a reciprocating engine does, but instead uses one or more rotors, sometimes called rotary pistons. An example of a pistonless rotary engine is the Wankel engine.

The term rotary combustion engine has been suggested[by whom?] as an alternative name for these engines[citation needed] to distinguish them from early (generally up to the early 1920s) aircraft engines and motorcycle engines also known as rotary engines. However, both continue to be called rotary engines and only the context determines which type is meant.

Pistonless rotary engines[edit]

The basic concept of a (pistonless) rotary engine avoids the reciprocating motion of the piston with its inherent vibration and rotational-speed-related mechanical stress. As of 2006 the Wankel engine is the only successful pistonless rotary engine, but many similar concepts have been proposed and are under various stages of development. Examples of rotary engines include:

Production stage
Development stage
Conceptual stage
  • The Gerotor engine
  • The Rotary Engine by Jose-Ignacio Martin-Artajo, SI [2]
  • The Jose Maria Bosch-Barata engines ( Spanish pats nºs 0228187, 0254176 and 0407242)

See also[edit]

Reference and Notes[edit]

  1. ^ "How the Baylin Engine Works." Popular Mechanics, July 1946, pp. 131-132.
  2. ^ "Tri-Dyne: Slick New Rotary Engine Could Lick the Wankel." Popular Science, July 1969, pp. 45-47 & 160-162.
  • Jan P. Norbye: 'Rivals to the Wankel: A Roundup of Rotary Engines', Popular Science, Jan 1967, pp 80-85.

External links[edit]

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