Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02B - Internal-combustion piston engines; Combustion engines in general › F02B 71 - Free-piston engines; Engines without rotary main shaft
Patents for F02B 71 - Free-piston engines; Engines without rotary main shaft (1,404)
05/2012
05/24/2012US20120125291 High-efficiency linear combustion engine
05/24/2012US20120125288 High-efficiency linear combustion engne
05/10/2012WO2012061116A1 Double-acting, two-stroke hcci compound free-piston rotating-shaft engine
05/10/2012US20120112469 Turbocompound free piston linear alternator
05/10/2012US20120112468 Opposed free piston linear alternator
05/10/2012DE102011117404A1 Mit einem Turbolader kombinierter Freikolbenlineargenerator Combined with a turbocharger FPLG
05/10/2012DE102011117402A1 Lineargenerator mit einander gegenüberliegenden Freikolben Linear generator with opposed pistons free
05/02/2012CN102434277A Internal-combustion permanent-magnet linear power generation device
04/2012
04/24/2012US8161921 Method to convert free-piston linear motion to rotary motion
04/19/2012WO2012050541A1 Internal combustion engine
04/18/2012CN102418601A 一种高速自由活塞直线发电机 A high speed free piston linear generator
04/18/2012CN102418600A Hydraulic high-speed free piston linear generator
04/10/2012US8151745 Opposed piston electromagnetic engine
04/10/2012US8151744 Method to convert free-piston linear motion to rotary motion
03/2012
03/28/2012CA2729479A1 A free piston engine with a magnetic or a thermally resistive coupling
03/15/2012WO2012032264A1 Electric generator set with linear moving elements
03/14/2012CN102374021A Free piston engine
03/06/2012US8127544 Two-stroke HCCI compound free-piston/gas-turbine engine
03/01/2012WO2012025124A1 Free-piston engine with linear power generator
02/2012
02/27/2012DE202011109044U1 Verbrennungsmotor Combustion engine
02/02/2012US20120024264 Heat engine
01/2012
01/31/2012US8104436 Quasi free piston engine
01/26/2012WO2012010208A1 Electric power generator and motor assembly equipped therewith
01/26/2012WO2012009858A1 Natural gas compressor capable of improving intake condition
01/12/2012WO2012004184A1 Free piston device and method for charge exchange in a free piston engine
01/12/2012DE102010031010A1 Freikolbenvorrichtung und Verfahren zum Gaswechsel in einem Freikolbenmotor Free-piston device and method for gas exchange in a free-piston engine
01/10/2012US8091519 Paired-piston linear engine
01/03/2012US8087394 Dual-level combustion chamber system, for fastener driving tool, having dual-level rotary valve mechanism incorporated therein
12/2011
12/28/2011DE202011106073U1 Freikolbenmotor Free-piston engine
12/12/2011DE202011105897U1 Neues Verbrennungsmotorenprinzip New engine principle
11/2011
11/24/2011WO2011144926A1 Free-piston internal combustion engine
11/10/2011WO2011137659A1 Vibrator energy storage free piston engine
11/10/2011WO2011077119A3 Free piston engine
11/02/2011EP2142341B1 Exhaust check valve and piston return system
10/2011
10/20/2011WO2011128773A1 Exhaust actuated free-piston kinetic engine
10/18/2011US8037852 Free piston electromagnetic engine
10/12/2011CN102216578A Method for purging a dosing system
10/06/2011US20110239642 Double-Acting, Two-Stroke HCCI Compound Free-Piston Rotating-Shaft Engine
09/2011
09/07/2011CN101652546B Rotary mechanically reciprocated sliding metal vane air pump and boundary layer gas turbines integrated with a pulse gas turbine engine system
08/2011
08/31/2011CN102168720A Static pressure gas bearing used for free piston
08/18/2011WO2011057891A3 Free piston internal combustion engine
08/16/2011US7997240 System including an electromagnetically energized piston motor designed to convert chemical and electrical energy to mechanical energy
07/2011
07/28/2011WO2011091022A1 System and method for electrically-coupled heat engine and thermal cycle
07/21/2011US20110174271 System and method for electrically-coupled heat engine and thermal cycle
06/2011
06/30/2011WO2011077178A1 Long stroke rotary free piston engine
06/30/2011WO2011077162A1 Combustion management system
06/30/2011WO2011077119A2 Free piston engine
06/30/2011WO2011077118A1 A piston
06/30/2011DE102009017713B4 Freikolben-Brennkraftmaschine Free piston internal combustion engine
06/29/2011EP1977091B1 Miniature electric power generator and system and method for controlling a miniature electric power generator
05/2011
05/31/2011US7950356 Opposed piston electromagnetic engine
05/26/2011DE102009052960A1 Freikolben-Brennkraftmaschine Free piston internal combustion engine
05/19/2011WO2011057891A2 Free piston internal combustion engine
05/19/2011DE102009051204A1 Elektro-Hydraulischer Fahrantrieb für Kraftfahrzeuge Electro-hydraulic drive system for motor vehicles
05/05/2011WO2011051360A1 Electro-hydraulic traction drive
05/04/2011EP1540155B1 Energy converter
05/04/2011CN101555831B Inertia rotary engine
04/2011
04/21/2011WO2011046975A1 Hydraulic internal combustion engines
04/14/2011US20110083643 Hydraulic Internal Combustion Engines
04/13/2011CN102011644A Internal combustion engine
03/2011
03/31/2011US20110073631 Combustion powered driver
03/10/2011WO2011026774A1 Piston engine having magnetic piston bearing
03/10/2011DE102009040051A1 Kolbenmaschine mit magnetischer Lagerung des Kolbens Piston engine with a magnetic bearing of the piston
03/10/2011CA2772845A1 Piston engine having magnetic piston bearing
02/2011
02/23/2011CN101979852A Free piston engine with independent compression and controllable inlet air thermodynamic parameter
02/16/2011CN101975109A Vessel for fluid closed-circulation torque converter
02/08/2011CA2457790C Fully-controlled, free-piston engine
02/03/2011DE102010005679A1 Stirling free-piston engine and free wheel combination for conversion of energy, has piston connecting rod including worm gear connected with freewheel for converting back and forth movement of engine into rotational movement
01/2011
01/20/2011WO2011006797A1 Vibration-compensated free piston engine
01/20/2011US20110012367 Free-piston linear alternator systems and methods
12/2010
12/22/2010CN1653251B Internal combustion engine
12/15/2010CN201671707U Free piston engine with oscillator for energy storage
12/08/2010CN101907017A Hydraulic energy converter
12/07/2010US7845317 Energy converter
11/2010
11/04/2010US20100275884 Quasi Free Piston Engine
11/03/2010CN101326350B Fuel supply and combustion chamber systems for fastener-driving tools
10/2010
10/28/2010DE102009017713A1 Freikolben-Brennkraftmaschine Free piston internal combustion engine
10/21/2010WO2010118497A1 Piston machine
10/19/2010US7814871 Self-priming portable device
10/05/2010CA2598967C Variable stroke premixed charge compression ignition engine
09/2010
09/30/2010WO2009133304A8 Pulse detonation engine
09/29/2010CN101845992A Vibrator energy storage free piston engine
09/21/2010CA2599443C Venting check valve for combustion nailer
09/01/2010EP2224580A2 Free piston device with electrically driven linear actuator
08/2010
08/26/2010WO2010059819A3 Method for purging a dosing system
08/25/2010CN101363397B Single-piston type hydraulic free piston engine
08/19/2010US20100205960 Systems and Methods for Combined Thermal and Compressed Gas Energy Conversion Systems
08/19/2010DE102009008912A1 Propellant gas generating device for generating propellant gas under pressure to perform mechanical operation, has propellant gas pressure vessel for generating propellant gas and combustion chamber with burner
08/17/2010US7777357 Free piston electromagnetic engine
08/17/2010US7775184 Deformable chamber-based homogeneous charge combustion ignition (HCCI) engine and generator
08/04/2010CN201539306U Novel free-piston engine with fixed dead centers
07/2010
07/29/2010US20100187031 Modular auxiliary power unit assembly for an electric vehicle
07/22/2010WO2010081929A1 Method for generating pyroelectric energy
07/08/2010DE102008056717A1 Free-piston internal combustion engine for e.g. fork lift truck, has firing piston connected with hydro piston, and non-return valves arranged before feed channel and discharge channel, in receiver block or in connecting piece
07/01/2010US20100162998 Free piston assembly and method for controlling a free piston assembly
06/2010
06/16/2010CN101397932B Scavenging air manifold assembly for free-piston engine
05/2010
05/27/2010WO2010059819A2 Method for purging a dosing system
05/27/2010US20100127507 Electromagnetic engine
05/26/2010CN101128659B Premixed charge compression ignition engine with a variable piston stroke
05/25/2010US7721686 Method and system for controlling a free-piston energy converter
1 2 3 4 5 6 7 8 9 10 11 12 13 ... 15