| Patents for F02B 55 - Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons (1,252) |
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| 02/12/2014 | CN102678289B Spiraster-type rotation device, engine, pneumatic motor, and compressor |
| 02/06/2014 | DE112006001615B4 Rotormotor Rotor motor |
| 01/29/2014 | CN203412657U Novel internal combustion engine |
| 01/29/2014 | CN103541812A Variable type rotor internal combustion engine |
| 01/23/2014 | US20140020384 Positive displacement rotary vane engine |
| 01/16/2014 | WO2014010792A1 Structure of rotary internal combustion engine |
| 01/15/2014 | CN103511070A Sub-circular ring rotary engine |
| 01/15/2014 | CN103511069A Circular-ring-like rotor engine |
| 01/09/2014 | WO2014005262A1 Rotary engine |
| 01/08/2014 | CN103498727A Vane type engine |
| 12/27/2013 | WO2013077776A3 Six-stroke rotary engine and operating method thereof |
| 12/18/2013 | EP1934443B1 Internal combustion engine |
| 12/18/2013 | CN103452654A Ring culvert rotor engine |
| 12/18/2013 | CN103452653A Ring rotating double-culvert engine |
| 12/18/2013 | CN103452652A Ring rotating culvert engine |
| 12/12/2013 | WO2013184549A1 Rotary energy transducer |
| 12/05/2013 | WO2013177613A1 Rotary combustion engine |
| 12/04/2013 | CN103422981A Star rotary type fluid machine and engine and fluid motor applied to same |
| 11/21/2013 | WO2013171377A1 Double acting opposed-piston engine |
| 11/20/2013 | CN203296922U Automotive rotor connecting ring |
| 11/20/2013 | CN203296921U Automobile connecting ring |
| 11/14/2013 | WO2013169817A1 Advanced alternating piston rotary engine |
| 10/30/2013 | CN103375248A Rotary engine |
| 10/23/2013 | CN103362643A Roller-type rotating vane engine |
| 10/16/2013 | CN103352755A Novel internal combustion engine |
| 10/16/2013 | CN102305128B Device for pushing engine to rotate continuously |
| 10/10/2013 | WO2013017232A3 Shaping the piston recess of a rotary piston engine |
| 10/09/2013 | CN103343710A Pentagon rotor engine |
| 10/08/2013 | CA2496051C Positive displacement rotary device and method of use |
| 09/19/2013 | WO2013138404A1 Idar-ace inverse displacement asymmetric rotating alternative core engine |
| 09/11/2013 | CN103291445A Single-stroke rotary internal combustion engine |
| 09/11/2013 | CN102278198B Water-oil mixed combustion rotating engine |
| 09/11/2013 | CN102094811B Non-linear shovel surface secondary enveloping molded line single screw rod meshing pair |
| 08/21/2013 | CN103261625A Rotary valve continuous flow expansible chamber dynamic and positive displacement rotary devices |
| 08/21/2013 | CN102493867B Four-rotor cold and hot double-chamber rotary engine |
| 08/15/2013 | US20130206099 Internal combustion engine |
| 08/14/2013 | EP2625403A1 An engine usable as a power source or pump |
| 08/14/2013 | CN103249928A An engine usable as a power source or pump |
| 08/14/2013 | CN103244262A Crankshaft-free open exhaust single-stroke piston-type diesel engine |
| 08/07/2013 | CN103233782A Cock-type rotary compression expansion mechanism |
| 08/01/2013 | WO2013112347A1 Fuel reactivity stratification in rotary diesel engines |
| 07/24/2013 | CN103216319A Ignition spray pipe for accelerating rotor engine combustion, rotor and engine |
| 07/24/2013 | CN103216318A Novel internal combustion engine |
| 07/17/2013 | CN203067083U Novel internal combustion engine |
| 07/17/2013 | CN203067082U Novel combustion motor |
| 07/17/2013 | CN102155292B Fan-type one-stroke engine |
| 07/10/2013 | CN103195562A Piston assembly phase position locking device of free piston internal combustion generating power system |
| 07/10/2013 | CN103195560A Novel engine |
| 07/10/2013 | CN103195559A Novel engine |
| 07/10/2013 | CN102146838B Eccentric rotor diesel engine |
| 07/10/2013 | CN102116196B Vane type diesel engine |
| 07/10/2013 | CN102116194B Vaned petrol engine |
| 07/04/2013 | WO2013051025A3 Rotary internal combustion engine |
| 07/03/2013 | CN1873197B Revolving internal-combustion engine |
| 06/26/2013 | CN203022876U Simple-pendulum type crank connecting link mechanism |
| 06/26/2013 | CN103174508A Fan-shaped piston type internal combustion engine |
| 06/12/2013 | CN202991233U Circular ring cylinder body engine |
| 06/12/2013 | CN103147851A Four-stoke rotor engine with controlled rotor blocks |
| 06/06/2013 | DE102011119906A1 Multi-disk rotary piston engine for use with mixture lubrication, comprises sealing ring inserted into groove for sealing working chambers in corresponding central portion, where groove is formed through covering locked against rotation |
| 06/05/2013 | CN202970892U Piston rotating engine |
| 06/05/2013 | CN202970891U Multi-cylinder rotating generator |
| 06/05/2013 | CN103133131A Structure method of semi-closed air cylinder of wankel engine |
| 06/05/2013 | CN103133130A Swinging-piston type internal combustion engine |
| 06/05/2013 | CN101865021B Active clearance compensation type cycloid pump/ motor device |
| 05/22/2013 | CN202946236U Piston type rotor engine |
| 05/22/2013 | CN102297018B 旋转发动机 Rotary engine |
| 05/16/2013 | WO2013070242A1 General wheel power rotation motor |
| 05/15/2013 | CN103104335A Novel internal-combustion engine |
| 05/10/2013 | WO2012069194A3 Rotary piston machine, especially rotor engine |
| 05/08/2013 | CN102305129B Swinging wing engine |
| 05/02/2013 | WO2012066072A3 Rotary piston internal combustion engine |
| 04/24/2013 | CN103061916A Sealing device of rotation piston type internal combustion engine |
| 04/24/2013 | CN103061873A Efficient double four-stroke internal combustion engine |
| 04/24/2013 | CN102116195B Gasoline engine with eccentric rotor |
| 04/24/2013 | CN101852124B Precession rotary engine |
| 04/17/2013 | CN102282347B Rotary piston engine |
| 04/17/2013 | CN102061982B Rotating disk type engine |
| 04/10/2013 | CN103032158A Circular cylinder engine |
| 04/10/2013 | CN102325975B Rotary internal combustion engine |
| 04/10/2013 | CN102135033B Improved rotary engine structure |
| 04/10/2013 | CN101886572B Planetary rotary internal combustion engine |
| 04/03/2013 | CN103016147A Novel internal combustion engine |
| 04/03/2013 | CN103016143A Novel internal-combustion engine |
| 04/03/2013 | CN103016142A Reciprocating rotor engine |
| 03/28/2013 | WO2013041013A1 Engine with torus-shaped cylinder and revolving piston |
| 03/27/2013 | CN102996236A Torus-shaped cylinder circumduction rotating piston engine |
| 03/27/2013 | CN101675224B 正位移旋转叶片发动机 Positive displacement rotary vane engine |
| 03/20/2013 | CN102374014B Double-cylinder sliding-piece type rotary internal combination engine |
| 03/13/2013 | CN202789101U Engine |
| 03/13/2013 | CN202789099U Blade engine |
| 03/13/2013 | CN101539053B 转子发动机 Rotary engine |
| 03/06/2013 | CN102953806A X-variable compression ratio engine |
| 02/20/2013 | CN102383921B Rotor engine and rotor unit thereof |
| 02/14/2013 | WO2013020362A1 Internal cooling and circulated lubrication-model, dual rotary piston-type biaxial internal combustion engine |
| 02/06/2013 | EP2553241A2 Oscillating piston engine |
| 02/06/2013 | CN102913321A Hypocycloid rotary piston internal combustion engine and compressor |
| 01/31/2013 | WO2013013495A1 Rotary engine |
| 01/31/2013 | US20130028775 Apex seal arrangement for rotary internal combustion engine |
| 01/31/2013 | US20130028774 Rotary internal combustion engine with phasing gear |
| 01/31/2013 | US20130028773 Apex seal for rotary internal combustion engine |