| Patents for F01B 1 - Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (1,424) |
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| 10/01/2013 | CA2618008C Cam driven piston compressor |
| 09/25/2013 | CN103321682A Internal combustion engine with cylinders in annular arrangement |
| 09/18/2013 | EP2638248A2 Radial cylinder hydraulic machine with improved oscillating radial cylinder |
| 09/18/2013 | CN103306766A Cylinder cover exhaust structure for aerodynamic V-type multi-cylinder engine |
| 09/18/2013 | CN103306733A Gas distribution mechanism for V-shaped multi-cylinder aerodynamic engine |
| 09/18/2013 | CN103306732A Valve actuating mechanism used for two-stroke aerodynamic V-type eight-cylinder engine |
| 09/18/2013 | CN103306728A V-shaped multi-cylinder aerodynamic engine |
| 09/18/2013 | CN103306727A Gearbox used for V-shaped multi-cylinder aerodynamic engine |
| 09/12/2013 | DE102013202543A1 Hydraulische Radialkolbenmaschine Hydraulic radial piston engine |
| 09/11/2013 | CN102322295B High-efficiency air energy engine |
| 09/10/2013 | US8528462 Coupling arrangement providing an axial space between a plunger and plunger adaptor of a high pressure fluid pump |
| 09/04/2013 | CN103277156A Novel hybrid engine |
| 09/04/2013 | CN102203383B 废热发动机 Waste Heat Engine |
| 09/03/2013 | US8523139 Selector valve operating mechanism for working vehicle |
| 08/22/2013 | WO2009105842A3 Internal combustion engine |
| 08/14/2013 | CN203130162U Novel gas and magnet combined energy-saving and efficient piston type motor |
| 08/14/2013 | CN103249913A Radial cylinder hydraulic machine with improved oscillating radial cylinder |
| 08/07/2013 | CN103233778A Electronic control pneumatic motor retrofitted from piston type air compressor |
| 08/07/2013 | CN102434211B Torsion type aerodynamic engine |
| 08/07/2013 | CN101529065B Improved opposed piston combustion engine |
| 07/31/2013 | CN203097952U Turbomachine capable of converting Coriolis vortex fluid pressure into fluid energy |
| 07/31/2013 | CN203097951U Coriolis vortex fluid pressure conversion fluid energy turbine motor with mutually ejecting fluid floating pistons |
| 07/18/2013 | US20130180396 Compressed gas motor and lavage system |
| 07/17/2013 | CN103206256A Method for enabling cylinders of swing type variable multi-cylinder aerodynamic engine to be connected with air inflow pipe |
| 07/17/2013 | CN103206248A Cylinders for variable multi-cylinder aerodynamic engine |
| 07/04/2013 | US20130167716 Master cylinder device |
| 07/02/2013 | US8474365 Diaphragm pump |
| 06/26/2013 | CN102149914B 内燃引擎 Internal combustion engine |
| 06/25/2013 | CA2479235C Gas turbine engine system |
| 06/20/2013 | US20130152776 Pneumatic drive |
| 06/18/2013 | US8465268 Compression clamp for a modular fluid end for a multiplex plunger pump |
| 06/13/2013 | WO2013082652A1 An engine |
| 06/11/2013 | US8460525 Device for the determination of glycated hemoglobin |
| 06/05/2013 | CN103133037A Electromagnetic boosting aerodynamic generator system |
| 06/05/2013 | CN102031993B Two-stage expansion piston air motor device |
| 05/30/2013 | US20130133511 Fluid rotary machine |
| 05/28/2013 | US8448440 Method and apparatus for achieving higher thermal efficiency in a steam engine or steam expander |
| 05/22/2013 | EP2594763A2 Improved vehicles, craft and equipment |
| 05/21/2013 | US8443713 Rotary cylinder device |
| 05/16/2013 | US20130118344 Valves |
| 05/08/2013 | CN103089310A Turbine for converting fluid energy by coriolis vortex fluid pressure intensity |
| 04/24/2013 | EP2584197A1 Radial hydraulic pump with variable eccentricity and flow rate |
| 04/24/2013 | CN103062003A Compressible fluid heat utilizing and temperature difference power output device |
| 04/24/2013 | CN103061880A Cam type piston mechanism and compressor and internal combustion engine adopting cam type piston mechanism |
| 04/24/2013 | CN103061818A Compressed air power engine assembly with compressed air supplementary return circuit |
| 04/24/2013 | CN103061817A 二冲程空气动力发动机总成 Aerodynamic two-stroke engine assembly |
| 04/24/2013 | CN103061816A Compressed air engine assembly with tail gas recovery loop |
| 04/24/2013 | CN103061815A Turbomachine used for converting Coriolis vortex fluid pressure into fluid energy and provided with butting fluid suspension pistons |
| 04/24/2013 | CN103061814A Novel pneumatic and magnetic combined energy-saving efficient piston type motor |
| 04/18/2013 | WO2013054559A1 Inverted v-twin type substantially opposed engine |
| 04/18/2013 | US20130091835 Dead-volume management in compressed-gas energy storage and recovery systems |
| 04/18/2013 | US20130091834 Dead-volume management in compressed-gas energy storage and recovery systems |
| 04/03/2013 | CN202851085U Liquid-state high pressure air two-stroke V-shaped engine |
| 03/21/2013 | DE102012001627A1 Reciprocating engine, particularly reciprocating steam engine, comprises piston housing and piston with insulation space radially formed inside cooling channel, where insulation space is air-filled, gas-filled or evacuated cavity |
| 03/20/2013 | CN202810946U Air cylinder for variable multi-cylinder aerodynamic engine |
| 03/20/2013 | CN202810945U Piston expansion engine system in single valve structure |
| 03/19/2013 | CA2693989C Wave transducer having variable energy piston assembly |
| 03/07/2013 | US20130055884 Multistage pneumatic motor |
| 03/06/2013 | CN202768079U Liquid high pressure air two-stroke opposed type engine |
| 03/06/2013 | CN202768078U Liquid high pressure air two-stroke radial engine |
| 03/06/2013 | CN202768077U Liquid high pressure air two-stroke inline type engine |
| 02/28/2013 | US20130047838 Fluid actuator |
| 02/26/2013 | US8381524 Reciprocating expansion engine and piston of a reciprocating expansion engine |
| 01/30/2013 | EP2550433A1 Piston engine with movable cylinder walls |
| 01/30/2013 | EP2550432A1 Improved radial hydraulic motor |
| 01/30/2013 | CN102906372A Improved radial hydraulic motor |
| 01/30/2013 | CN102900470A Radial engine |
| 01/17/2013 | US20130014576 High pressure and flow rate pump useful in formation fluid sample testing |
| 01/08/2013 | US8347778 Fluid-working machines |
| 01/01/2013 | US8342077 Binary cylinder engine |
| 12/27/2012 | US20120325081 High power hydraulic cylinder |
| 12/26/2012 | CN202628192U Multi-cylinder aerodynamic engine assembly for pneumatic automobile |
| 12/19/2012 | CN102828779A Aerodynamic engine capable of working by reutilizing air |
| 12/13/2012 | US20120315176 Rotary cylinder device |
| 12/06/2012 | US20120307586 Mixing apparatus |
| 12/06/2012 | US20120305395 Device for the Determination of Glycated Hemoglobin |
| 12/04/2012 | US8322997 Eccentric pump |
| 11/29/2012 | WO2012159817A1 Slider crank drive |
| 11/29/2012 | US20120297972 Subassembly Forming A Hydrobase For Hydraulic Motors, And Assembly Method |
| 11/13/2012 | US8307752 Piston hydraulic motor |
| 11/08/2012 | US20120279386 Hydraulic support element |
| 11/01/2012 | US20120272821 Thermal engine with an improved valve system |
| 10/31/2012 | CN202510165U V-shaped multi-cylinder aerodynamic engine |
| 10/31/2012 | CN102758650A Rankine cycle expansion machine |
| 10/31/2012 | CN102758649A Piston direct-exhaust low noise air energy power machine |
| 10/31/2012 | CN102011644B Internal combustion engine |
| 10/24/2012 | CN102753817A Ring cam and fluid-working machine including ring cam |
| 10/11/2012 | WO2012138309A1 "power plant" |
| 10/10/2012 | CN202483659U Cylinder cover exhaust structure of aerodynamic V-shaped multi-cylinder engine |
| 10/10/2012 | CN202483632U Gas distributing mechanism for V-shaped multi-cylinder aerodynamic engines and engine |
| 10/04/2012 | DE102011015720A1 Lifting cylinder machine e.g. compressor has gear box that is provided with gear wheels which are surrounded by lubricant-free shaft gear box space so as to ensure lubricant-free connection of teeth portions in gear wheels |
| 10/03/2012 | CN202467933U Valve timing mechanism for two-stroke aerodynamic V-shaped eight-cylinder engine |
| 10/03/2012 | CN202467931U Piston type oil-free pneumatic motor operating device |
| 09/27/2012 | US20120240578 Hot Charge Dual Drive Engine with Steam Assist |
| 09/13/2012 | WO2012120482A1 Cogeneration plant |
| 09/07/2012 | WO2012063119A3 Radial cylinder hydraulic machine with improved oscillating radial cylinder |
| 09/05/2012 | EP2495395A1 Rotary cylinder device |
| 08/29/2012 | EP2492439A1 V-shape machine body for crank round sliding block mechanism, cylinder sleeves, cylinder sleeve group and mechanical device |
| 08/29/2012 | CN102650217A Compressed air engine |
| 08/01/2012 | CN102619564A Fluid suspension piston opposite vertex type fluid energy turbine |