| Patents for F02B 25 - Engines characterised by using fresh charge for scavenging cylinders (3,434) |
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| 04/12/2012 | WO2012048279A1 Single piston sleeve valve with optional variable compression ratio capability |
| 04/11/2012 | CN102410074A 二冲程发动机 Two stroke engine |
| 04/10/2012 | US8151778 Intake manifold |
| 04/10/2012 | US8151776 Breather device in engine |
| 04/10/2012 | US8151775 High vacuum crankcase ventilation |
| 04/10/2012 | US8151747 Crescent-shaped recess in piston of a split-cycle engine |
| 04/04/2012 | CN102400782A 手操纵式工作器械 Working hand-actuated devices |
| 04/03/2012 | US8146555 Direct-injection spark-ignition system |
| 04/03/2012 | US8146546 Two-cycle engine cylinder and method for manufacturing the same |
| 04/03/2012 | US8146545 Filter for a crankcase ventilation system |
| 03/29/2012 | US20120073269 System and method for treating particulate matter vented from an engine crankcase |
| 03/29/2012 | DE102010037743A1 Method for operating two-stroke engine, involves centrally injecting fuel by injection nozzle and mixing vaporized fuel with exhaust gas and fresh air before piston reaches top dead center during ignition period |
| 03/29/2012 | DE102010037742A1 Resonant exhaust for two-stroke engine, is provided with diffuser portion, which opens from outlet of two-stroke engine, and reflector region which extends from outlet of two-stroke engine |
| 03/29/2012 | DE102004057354B4 Verbrennungsmotor Combustion engine |
| 03/27/2012 | US8141545 System and method for crankcase gas air to fuel ratio correction |
| 03/22/2012 | WO2012036797A1 Rotating coalescer with keyed drive |
| 03/21/2012 | CN102383924A Handheld power tool |
| 03/15/2012 | DE102010045017A1 Zweitaktmotor Two-stroke engine |
| 03/15/2012 | DE102010045016A1 Handgeführtes Arbeitsgerät A hand-operated device |
| 03/15/2012 | DE102010037528A1 Method for operation of two-stroke combustion engine, involves performing large cylinder charging operation in which remaining proportion of exhaust gases is of preset value and air-fuel ratio is greater than two |
| 03/14/2012 | EP2428661A2 Two-stroke engine transfer ports |
| 03/14/2012 | CN102378859A 二冲程内燃发动机 Two-stroke internal combustion engine |
| 03/08/2012 | US20120055454 Fuel Cap Breather Apparatus |
| 03/07/2012 | CN101649771B Two cycle engine and two cycle engine tool |
| 03/06/2012 | US8127740 Blowby gas treatment system for multiple cylinder engine |
| 03/06/2012 | US8127724 Cylinder block for a two-cycle combustion engine |
| 03/01/2012 | US20120048249 System for improving engine crankcase ventilation via a conduit |
| 03/01/2012 | US20120048248 System for improving engine crankcase ventilation |
| 02/29/2012 | EP2423484A1 Two stroke combustion engine |
| 02/23/2012 | WO2012023970A2 Piston constructions for opposed-piston engines |
| 02/23/2012 | WO2012023163A1 Air supply apparatus for two-stroke combustion engine |
| 02/23/2012 | DE102006001570B4 Arbeitsgerät Implement |
| 02/21/2012 | US8118013 Resonator and crankcase ventilation system for internal combustion engine |
| 02/14/2012 | US8113185 Device for separating oil from blow-by gas |
| 02/14/2012 | US8113155 Two-cycle engine |
| 02/09/2012 | US20120031356 Direct Gas Injection System for Four Stroke Internal Combustion Engine |
| 02/09/2012 | DE112010000807T5 Motorluftmanagementsystem Engine air management system |
| 02/08/2012 | EP2415987A1 Loop scavenged two-stroke internal combustion engine |
| 02/08/2012 | EP2414665A1 Two-stroke internal combustion engine |
| 02/08/2012 | CN102345503A Loop scavenged two-stroke internal combustion engine |
| 02/07/2012 | US8109259 Positive-pressure crankcase ventilation |
| 02/01/2012 | CN101598064B 二冲程发动机传动、给气、排气及增压系统 Two-stroke engine transmission, gas supply, exhaust and pressurization system |
| 01/31/2012 | US8104438 Air intake porting for a two stroke engine |
| 01/26/2012 | WO2011138815A3 Two-wheeled vehicle |
| 01/24/2012 | US8100094 Radial impulse engine, pump, and compressor systems, and associated methods of operation |
| 01/24/2012 | CA2634193C Split-cycle air hybrid engine |
| 01/19/2012 | DE102011018410A1 Drive component for vehicle e.g. passenger car, has motors coupled with one another via clutches and/or freewheels in parallel and power dependent manner, and flywheels varied based on number of running cylinders |
| 01/18/2012 | CN102322333A Two-stroke layered-scavenging engine |
| 01/18/2012 | CN101512137B Fuel supply component |
| 01/18/2012 | CN101319630B Internal combustion engine and method of operating the same |
| 01/12/2012 | WO2011121930A3 Two-cycle engine and engine tool comprising the same |
| 01/10/2012 | US8091521 Self-supercharging engine with freewheeling mechanism |
| 01/05/2012 | WO2012002960A1 Dual function breather bypass system |
| 01/05/2012 | WO2012001751A1 Air supply device for 2 stroke engine |
| 12/29/2011 | US20110315131 Vacuum Port Having a Flow Disruptor |
| 12/29/2011 | US20110315125 Vacuum port having a flow disruptor |
| 12/28/2011 | CN102297012A 空气扫气型2冲程发动机 Air scavenging type two-stroke engine |
| 12/28/2011 | CN101065570B 化油器 Carburettor |
| 12/22/2011 | US20110308507 Two-stroke cycle combustion engine of air scavenging type |
| 12/22/2011 | DE10059586B4 Zweitaktmotor mit Ladungsschichtung Two-stroke engine with stratified |
| 12/21/2011 | EP2397673A1 Internal combustion engine control device |
| 12/21/2011 | EP1556594B1 Two-stroke engine transfer ports |
| 12/15/2011 | DE102010029904A1 Hybrid drive for use in plug-in hybrid electrical vehicle, has diesel engine i.e. two stroke diesel engine, for driving generator, where biogenous fuel acts as lubricant and coolant of diesel engine |
| 12/14/2011 | CN102278191A 一种内燃机的分层扫气系统 Stratified scavenging system of an internal combustion engine |
| 12/14/2011 | CN101240742B 纵向扫气两冲程大型柴油机及其气缸的填充方法 Large-scale longitudinal scavenging two-stroke diesel engines and cylinder filling method |
| 12/08/2011 | WO2011123855A3 Forced induction system for an internal combustion engine |
| 12/08/2011 | US20110297112 Forced Air Valve Guide for an Internal Combustion Engine |
| 12/08/2011 | DE102010020877B4 Doppelzylinder-Zweitaktmotor mit Gleichstromspülung Double-cylinder two-stroke engine with uniflow scavenging |
| 12/07/2011 | CN101896703B 扫气盖和二冲程引擎 Scavenging cover and two-stroke engine |
| 12/07/2011 | CN101175911B 二冲程发动机 Two-stroke engines |
| 11/29/2011 | US8065981 Stratified scavenging two-cycle engine |
| 11/24/2011 | WO2011146111A1 Egr construction for opposed-piston engines |
| 11/24/2011 | WO2011144293A1 Double-cylinder two-stroke engine with uniflow scavenging |
| 11/24/2011 | WO2011144188A1 Internal combustion engine |
| 11/24/2011 | US20110283979 System and Method for Returning Oil Separated from Engine Crankcase Gases |
| 11/24/2011 | DE102010020877A1 Doppelzylinder-Zweitaktmotor mit Gleichstromspülung Double-cylinder two-stroke engine with uniflow scavenging |
| 11/23/2011 | CN102257256A 发动机空气管理系统 Engine air management systems |
| 11/17/2011 | WO2011142859A1 Two-stroke, fuel injected internal combustion engines for unmanned aircraft and associated systems and methods |
| 11/10/2011 | WO2011138909A1 Air cleaner of two-cycle engine |
| 11/08/2011 | US8051844 Apparatus for treating crankcase gases from engines |
| 11/08/2011 | CA2669322C Energy recovery thermal engine equipped with a multiple-function dual effect piston |
| 11/01/2011 | US8047187 Fuel feed system of engine |
| 11/01/2011 | US8047186 Oil separator |
| 10/25/2011 | US8042529 Device for eliminating oil particles from the crankcase ventilation gas in an internal combustion engine |
| 10/19/2011 | EP2378095A1 Laminar-scavenging two-cycle engine |
| 10/13/2011 | US20110247584 Francis Cycle Backwards Injected Engine |
| 10/12/2011 | CN101135264B Two-stroke engine with improved by-pass pipe |
| 10/06/2011 | WO2011123855A2 Forced induction system for an internal combustion engine |
| 10/05/2011 | EP2372131A1 Control device for internal combustion engine |
| 10/05/2011 | CN202001099U Two-stroke engine for scavenging by adopting air pilot mode |
| 10/05/2011 | CN101684744B Four-stroke internal combustion engine bidirectional air inlet method and device thereof |
| 10/04/2011 | US8028665 Selective compound engine |
| 09/29/2011 | DE112009001926T5 Filteranordung mit abgedichtetem und mit Fenster versehenem Strömungsweg Filter arrangement with hermetic and TAGGED with window flow |
| 09/28/2011 | DE202011101561U1 Zweitaktmotor Two-stroke engine |
| 09/22/2011 | WO2011115870A1 Split-cycle air-hybrid engine with compressor deactivation |
| 09/22/2011 | CA2767941A1 Split-cycle air-hybrid engine with compressor deactivation |
| 09/15/2011 | US20110220074 Stratified two-stroke engine and fuel |
| 09/06/2011 | US8011338 Camcover oil separator |
| 08/31/2011 | CN102171426A Filter assembly with sealed windowed flow path |
| 08/30/2011 | US8006656 Split-cycle four-stroke engine |