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JP4022148B2 |
A free piston engine system, particularly suitable for use in a motorized vehicle, is provided with at least one hydraulic pump, each pump having a first fluid port and a second fluid port. A free piston internal combustion engine includ...
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JP2007107475A |
To provide a two-cycle engine individually adjusting compression and expansion port open and close timing with relatively simple structure although it is a piston valve type.This engine is provided with a liner changing a port opening po...
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JP3877224B2 |
An improved mechanical transducer of the type having a body reciprocating in a chamber, the body being linked to a housing by a linkage including an axially compliant spring. An anti-friction fluid bearing applies a lateral centering for...
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JP2006523801A |
Internal explosion engine and generator having an explosion chamber, a movable member forming one wall of the chamber, a charge of non-combustible gas sealed inside the chamber, means for repeatedly igniting the gas in an explosive manne...
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JP2006170071A |
To enable to operate a compression self-ignition type free-piston engine having two opposing pistons to operate efficiently at all times.In the device for controlling a free-piston engine, by the two pistons accommodated inside a cylinde...
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JP3786959B2 |
A piston centering system for a free piston machine. The invention uses a centering passageway which is in communication between a work space and a second space which spaces are formed in a housing and are separated by a piston which rec...
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JP3778931B2 |
PCT No. PCT/EP95/02054 Sec. 371 Date Nov. 25, 1996 Sec. 102(e) Date Nov. 25, 1996 PCT Filed May 31, 1995 PCT Pub. No. WO95/33921 PCT Pub. Date Dec. 14, 1995In an autogenous generator (1) in which electrical energy is generated by a linka...
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JP3768237B2 |
PCT No. PCT/NL95/00254 Sec. 371 Date May 2, 1997 Sec. 102(e) Date May 2, 1997 PCT Filed Jul. 19, 1995 PCT Pub. No. WO96/03576 PCT Pub. Date Feb. 8, 1996A free-piston engine comprises a combustion part (1), a hydraulic control system (2),...
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JP3739179B2 |
To prevent positional deviation accompanying excessive actuation or discharge of a working pressure after positioning by selectively opening/ closing solenoid valves so as to stop a rod in four positions and positioning the rod according...
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JP2005155345A |
To provide a free-piston engine with high endurance and efficiency by reducing its vibration without enlarging its size.A first shaft 41 connected to a first piston 31 and a second shaft 42 connected to a second piston 32 are supported t...
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JP3630661B2 |
In a free piston machine, a coil is mounted to its housing and magnetically linked to a permanent magnet or electromagnet on its piston member to form a linear motor. The coil and magnet are either added to embody the invention or are pa...
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JP3608794B2 |
A piston end position limiter for a free piston machine of the type having a piston sealingly reciprocating in a cylinder and separating a work space bounded at one end of the piston from a second space bounded at the opposite end of the...
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JP3607909B2 |
A combustion engine having at least one pair of longitudinal opposed cylinder with electricity generating stator means fixed relative thereto and having pistons arranged in the cylinders for cycles of reciprocating compression and power ...
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JP2004511196A |
A portable self-contained power pack is described including a miniature internal combustion motor/alternator combination with an attached fuel supply. The electrical output from the motor/alternator is rectified and controlled to provide...
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JP2003343202A |
To provide a free piston engine driving linear generator which is high in thermal efficiency. The generator is provided with the left and right-hands pair of free piston engines 1L, 1R, and a shaft 3 provided with a magnet 4 reciprocatin...
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JP2003533630A |
A free piston internal combustion engine, particularly suitable for use in a vehicle having an electric motor as a prime mover, has a combustion cylinder, a piston reciprocally disposed within the cylinder, and a piston rod coupled with ...
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JP2003524727A |
(57) [Summary] The free piston engine is disclosed. A force can be applied to the engine piston of this free piston engine in the compression direction by a fluid pressure cylinder. The fluid pressure cylinder can be connected to the pre...
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JP2003519328A |
A knocking-based, micro-combustion engine constructed in three layers of micromachined material. Two outer layers contain means for directing gases and fuels into and out of vents in a middle layer. The middle layer has machined in it tw...
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JP2003519327A |
The invention relates to a free-piston unit for pumping fluid from a low pressure to a high pressure. The free piston is displaced by a hydraulic part under the influence of the fluid pressure on a plunger which is connected to a combust...
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JP2003138983A |
To provide a piston assembly of a free piston internal combustion engine.The free piston internal combustion engine suitable for the use inside a vehicle has a combustion cylinder and the piston assembly. The piston assembly comprises a ...
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JP3385023B2 |
PCT No. PCT/NL92/00208 Sec. 371 Date May 18, 1994 Sec. 102(e) Date May 18, 1994 PCT Filed Nov. 19, 1992 PCT Pub. No. WO93/10341 PCT Pub. Date May 27, 1993The invention relates to a method for the cold start of a free-piston diesel engine...
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JP2003067001A |
To avoid destructive collisions.In a free piston machine, initial collisions of the piston with structures at the end of the cylinder are detected and generate a change in the magnitude of a perturbation signal, which is applied to the s...
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JP3382617B2 |
PCT No. PCT/NL92/00209 Sec. 371 Date May 18, 1994 Sec. 102(e) Date May 18, 1994 PCT Filed Nov. 19, 1992 PCT Pub. No. WO93/10342 PCT Pub. Date May 27, 1993A free-piston engine having a fluid energy unit comprises a cylinder and a piston r...
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JP2002543317A |
A free piston internal combustion engine includes a combustion cylinder having an inside surface. A piston is reciprocally disposed within the combustion cylinder. The piston includes a piston head and a plunger rod attached to the pisto...
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JP2002538351A |
A free piston internal combustion engine includes a combustion cylinder having an inside surface. A piston which is reciprocally disposed within the combustion cylinder includes a piston head and a plunger rod. The plunger rod is attache...
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JP2002538353A |
A free piston internal combustion engine includes a housing with a combustion cylinder and a hydraulic cylinder. A piston includes a piston head reciprocally disposed within the combustion cylinder and movable during a compression stroke...
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JP2002538355A |
A free piston internal combustion engine includes a housing with a combustion cylinder and a compression cylinder. A fluid inlet port is disposed in communication with the compression cylinder for transporting a pressurized fluid into th...
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JP2002538364A |
A method of operating a free piston engine of the present invention, includes a housing with a combustion cylinder and a second cylinder. A piston includes a piston head reciprocally disposed within the combustion cylinder, a second head...
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JP2002538354A |
A method of operating a free piston engine with a housing including a combustion cylinder and a second cylinder. A piston includes a piston head reciprocally disposed within the combustion cylinder, a second head reciprocally disposed wi...
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JP2002538349A |
A free piston internal combustion engine includes a housing with a combustion cylinder and a second cylinder. A piston includes a piston head reciprocally disposed within the combustion cylinder, a second head reciprocally disposed withi...
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JP2002538350A |
A method of operating a free piston internal combustion engine includes the steps of: providing a housing with a combustion cylinder and a second cylinder, the combustion cylinder having a bore with an inside diameter; providing a piston...
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JP2002525474A |
Method for operating a free-piston engine to produce relatively low amounts of undesirable NOx by initiating injection of the atomized fuel mixture into the combustion chamber after closure of exhaust apertures by the combustion chamber ...
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JP2002515560A |
A piston is provided for use in a free-piston engine and includes a crown portion having a predetermined thickness, a plunger connection portion having a passage extending therethrough along the axis of the piston and being connected to ...
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JP2002511130A |
A free piston internal combustion engine having improved valve timing. A pair of oppositely disposed combustion chamber passageways extending between the combustion chamber and the earth's atmosphere, each have a combustion chamber valve...
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JP2002505399A |
This invention is an efficient free-piston internal-combustion engine having an expansion ratio greater than the compression ratio and preferably with gas bearings supporting the piston. The use of gas bearings in combination with high-t...
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JP2001241302A |
To provide a free piston engine driving linear power generator which is capable of enabling long stroke having high heat efficiency and which is driven by a free piston engine.This generator is provided with a pair of right and left four...
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JP3181292B2 |
PCT No. PCT/NL92/00212 Sec. 371 Date May 18, 1994 Sec. 102(e) Date May 18, 1994 PCT Filed Nov. 19, 1992 PCT Pub. No. WO93/10345 PCT Pub. Date May 27, 1993.A free-piston engine having a fluid pressure unit, comprises a cylinder and a pist...
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JP2001501701A |
A combustion engine based on the principle of pulsating combustion and a method of operating the engine includes a pressure-resistant housing in which a combustion chamber is provided, an intake mechanism for fuel and combustion air, and...
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JP3131442B2 |
A circuit for controlling a free-piston engine, particularly of a refrigerator compressor, comprises a part (1) of H configuration, in the sides (4, 5, 6, 7) of which there are positioned electronically controlled switching means (8), sa...
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JP2000265847A |
To provide a continuous combustion type piston engine little in loss. In a continuous combustion type piston engine wherein working medium flowing out of a combustion chamber is fed at least to two cylinders in order, the respective cyli...
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JP2000504084A |
(57) [Summary] Improvements for diesel-type free piston gas generators, such as cylinders with two pistons that operate toward or away from each other. At the end of the cylinder, the cylinder and piston form a combustion chamber that ca...
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JP2000504083A |
(57) [Summary] It is a method of controlling the stroke of a diesel-type free piston device having a cylinder or the like in which two pistons are arranged to operate synchronously toward or away from each other. Each buffer chamber is f...
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JP3001306B2 |
A portable, internal combustion power operated working device, such as a setting tool for driving fastening elements into a receiving material, has a combustion chamber (9) for burning an air-fuel mixture. A piston (7, 7a), guided within...
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JP2997581B2 |
A portable, internal combustion powered work device, such as a device for setting or driving fastening elements into a receiving material, includes a combustion chamber (9) wherein an air-fuel mixture is ignited. A guide cylinder (8) and...
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JPH11141348A |
To provide a crankless engine with less vibration and noise by connecting external pistons in a plurality of external cylinders having internal cylinders on the opposite side of combustion chambers to inside bottom pistons via piston rod...
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JPH11504409A |
PCT No. PCT/NO96/00102 Sec. 371 Date Sep. 29, 1997 Sec. 102(e) Date Sep. 29, 1997 PCT Filed Apr. 30, 1996 PCT Pub. No. WO96/35046 PCT Pub. Date Nov. 7, 1996A power unit with a diesel free piston device which is fed with air from a compre...
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JPH11503805A |
PCT No. PCT/AU96/00222 Sec. 371 Date Feb. 14, 1998 Sec. 102(e) Date Feb. 14, 1998 PCT Filed Apr. 16, 1996 PCT Pub. No. WO96/33343 PCT Pub. Date Oct. 24, 1996A free piston engine wherein a combustion piston directly drives a pumping pisto...
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JPH11502580A |
A device for a power plant with a free piston device (1) which supplies gas for the operation of a turbine (20), and which has two pistons (3, 4) which via a synchronization device are moved in anti-phase. The exhaust gas from the turbin...
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JP2787374B2 |
A compact free piston engine of the unsymmetrical type including a structure with a cylinder detachably supported therein, said cylinder having a pair of pistons with a combustion chamber therebetween and each piston having a rod extendi...
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JPH10131901A |
To provide a device changing energy from a pressure fluid source to a work device into various pressure intensities. An energy converter device 16 has power change units 54, 56 performing action reducing effectively a pressure of fluid f...
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