Patents
Patents for F01B 11 - Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type (808)
10/2004
10/28/2004WO2004046532A3 Piston position drift control for free-piston device
10/27/2004EP1470335A2 Reciprocating fluid engine
10/27/2004CN1541305A Rapid response power conversion device
09/2004
09/01/2004EP1451919A1 Linear generator with a swinging piston
06/2004
06/03/2004WO2004046532A2 Piston position drift control for free-piston device
05/2004
05/27/2004WO2003075441A3 Resonant electrical generation system
05/20/2004US20040096344 Simplified piston slidable in a cylinder
05/19/2004EP1420164A2 Simplified piston slidable in a cylinder
04/2004
04/29/2004WO2003091558A3 Controllable combustion method and device
04/29/2004US20040079305 Internal combustion engine-driven working machine provided with oil lubrication
04/29/2004US20040079302 Internal combustion-engined tool
04/14/2004EP1287233A4 Frre-piston internal combustion engine with valves located in pistons
04/08/2004US20040065277 Free piston engine
03/2004
03/31/2004EP1402182A1 Rapid response power conversion device
03/25/2004WO2004025098A1 Energy converter
03/11/2004DE10219549B4 Freikolben-Verbrennungsvorrichtung mit elektrischem Lineartrieb Free-piston combustion device with electric linear drive
02/2004
02/04/2004EP1232335B1 Free-piston engine
01/2004
01/29/2004DE10232035A1 Brennkraftbetriebenes Setzgerät Combustion-powered setting tool
12/2003
12/31/2003WO2004001303A1 Pressure vibration generator
12/31/2003WO2003074840A3 Liquid piston internal combustion power system
12/04/2003WO2003078809A3 Internal combustion engine
12/02/2003USRE38337 Centering system for free piston machine
12/02/2003US6655258 Rodless cylinder using a round stick type chain
11/2003
11/26/2003EP1364109A1 Internal combustion engine-driven working machine provided with oil lubrication
11/25/2003US6651599 Free-piston engines
11/06/2003WO2003091558A2 Controllable combustion method and device
11/06/2003WO2003091556A1 Free-piston device provided with an electric linear drive
10/2003
10/30/2003WO2003058072A3 Reciprocating fluid engine
10/07/2003US6629513 Infinite loop engine
10/02/2003US20030183074 Piston position drift control for free-piston device
09/2003
09/25/2003WO2003078835A1 Engine with pumping capability
09/25/2003WO2003078810A1 Engine with power generating capability
09/25/2003WO2003078809A2 Internal combustion engine
09/12/2003CA2482336A1 Liquid piston internal combustion power system
09/11/2003WO2003075441A2 Resonant electrical generation system
09/11/2003WO2003074840A2 Liquid piston internal combustion power system
09/03/2003CN1440489A Free piston motor
07/2003
07/17/2003WO2003058072A2 Reciprocating fluid engine
07/03/2003US20030121411 High-speed cylinder apparatus
07/02/2003EP1323889A2 High-speed cylinder apparatus
06/2003
06/19/2003WO2003050929A1 Linear generator with a swinging piston
06/12/2003US20030108830 Controllable combustion method and device
06/12/2003US20030106428 Rodless cylinder using a round stick type chain
06/11/2003CN1423073A Rod-free cylinder using rod-type chain
06/03/2003US6571680 Pneumatic shift reciprocating pneumatic motor
05/2003
05/20/2003US6564552 Drift stabilizer for reciprocating free-piston devices
05/02/2003EP1306539A2 Two cycle hot gas engine
05/02/2003EP0723624B1 Reciprocable device
04/2003
04/24/2003US20030074882 Two-cycle hot-gas engine
04/01/2003US6541875 Free piston engine with electrical power output
03/2003
03/20/2003US20030051682 Free-piston unit for generating hydraulic energy
03/05/2003EP1288464A2 Piston assembly for free piston internal combustion engine
03/05/2003EP1287233A1 Frre-piston internal combustion engine with valves located in pistons
02/2003
02/12/2003EP1282766A1 Free piston motor
01/2003
01/16/2003WO2003004876A1 Rapid response power conversion device
01/16/2003CA2452494A1 Rapid response power conversion device
01/09/2003US20030005896 Rapid response power conversion device
12/2002
12/18/2002CN1385596A Reciprocative multi-function propeller
12/10/2002US6490881 Generating displacement and theroacoustic refrigerator
11/2002
11/28/2002US20020175520 Resonant electrical generation system
11/14/2002US20020166446 Buffing structure for rear end travel of hydraulic cylinder
11/07/2002WO2002088537A1 Drift stabilizer for reciprocating free-piston devices
10/2002
10/30/2002EP1253288A2 Pneumatic shift reciprocating pneumatic motor
10/29/2002US6470677 Free piston engine system with direct drive hydraulic output
10/24/2002US20020152882 Pneumatic shift reciprocating pneumatic motor
10/15/2002US6463903 Piston assembly for free piston internal combustion engine
10/09/2002EP1247011A2 Free-piston unit for generating hydraulic energy
09/2002
09/26/2002US20020134324 Free-piston engines
09/25/2002EP1242728A1 Microcombustion engine/generator
09/12/2002WO2002070868A1 Internal combustion engine-driven working machine provided with oil lubrication
09/04/2002CN1367867A Spool valve for fluid control
08/2002
08/29/2002WO2002066806A1 Reciprocating piston machine
08/29/2002US20020117049 Pneumatic motor
08/21/2002EP1232335A1 Free-piston engine
07/2002
07/18/2002WO2002055852A1 Free piston engine system with direct drive hydraulic output
07/10/2002CN1087387C 气动马达 Qidongmada
06/2002
06/20/2002US20020073703 Free piston engine system with direct drive hydraulic output
06/19/2002EP1080301B1 Piston for use in an engine
06/04/2002US6397793 Microcombustion engine/generator
05/2002
05/16/2002WO2001049999A9 Microcombustion engine/generator
04/2002
04/17/2002EP1196683A1 Free piston engine with electrical power output
03/2002
03/26/2002CA2294410C Control system for reciprocating device
01/2002
01/02/2002CN1077201C Gas driven mechanical oscillator and method
12/2001
12/13/2001WO2001094752A1 Frre-piston internal combustion engine with valves located in pistons
12/06/2001WO2001049998A3 Free-piston unit for generating hydraulic energy
11/2001
11/22/2001WO2001088353A1 Free piston engine with electrical power output
11/22/2001WO2001088352A1 Free piston motor
11/22/2001DE10120196A1 Free piston engine has engine piston driven by staged hydraulic piston, section of which with lesser diameter is arranged in work cylinder and section with greater diameter in compression cylinder
10/2001
10/24/2001EP1147331A1 Spool valve for fluid control
10/18/2001US20010029911 Microcombustion engine/generator
09/2001
09/19/2001CN1313454A Pneumatic mechanical vibrator and method thereof
09/05/2001EP1130216A2 Reciprocable device
08/2001
08/21/2001US6276313 Microcombustion engine/generator
07/2001
07/25/2001EP1118754A2 A gas driven mechanical oscillator and method
07/12/2001WO2001049999A1 Microcombustion engine/generator
07/12/2001WO2001049998A2 Free-piston unit for generating hydraulic energy
07/12/2001CA2395911A1 Microcombustion engine/generator
06/2001
06/19/2001US6247332 Gas driven mechanical oscillator and method
05/2001
05/31/2001WO2001038706A1 Free-piston engine
05/31/2001DE10026728A1 Free piston motor for converting energy from petrol/oil into hydraulic energy has control piston to determine changeover from high pressure and low pressure reservoirs
1 2 3 4 5 6 7 8 9