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WO/2007/107974A1 |
The engine of the present invention provides the direct transfer of energy from the burning down of fuel in the engine cylinders into shaft power by forcing working liquid through guide devices and against an impulse turbine, thereby eli...
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WO/2007/087143A2 |
In one embodiment according to the invention, there is provided a method for generating electrical energy using a thermal cycle of a working gas. The method comprises using the motion of a piston (503,504) in a cylinder (501), containing...
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WO/2007/085344A1 |
Disclosed is a free-piston engine having a housing (2) which is mounted or suspended so as to be moveable relative to a frame (18), wherein said movement of the housing relative to the frame can be utilized for driving auxiliary function...
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WO/2007/081789A2 |
This invention overcomes the disadvantages of the prior art by providing a power generating system particularly suitable for field use in remote locations, which is fuel-efficient, relatively quiet, tolerant of dust, capable of operating...
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WO/2007/059565A1 |
A four stroke free piston internal combustion engine (210) is disclosed. The engine (210) comprises an engine block structure (212) and a rigid shuttle (214) mounted to the engine block structure (212) for reciprocal movement relative th...
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WO/2007/058712A1 |
A fuel supply and combustion chamber system for a portable power tool, such as, for example, a fastener- driving tool, wherein the fuel supply and combustion chamber system can utilize liquid fuels. The fuel supply and combustion chamber...
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WO/2007/040599A1 |
A linear fluid engine includes a power transfer cylinder that is driven by combustion of fuel in a combustion cylinder (24) to pressurize a power transferring fluid. Some of the power transferring fluid is used to power a subsequent comp...
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WO/2007/035102A1 |
The invention relates to a power generator (1) comprising a combustion chamber (2) having a reciprocatable piston (4a) movable along a longitudinal axis (7), a shaft (5) attached to the piston extending into a second chamber (10) in a ho...
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WO/2007/035084A1 |
The invention relates to a power generator (1) comprising a combustion chamber (2) having a reciprocatable piston (4a) movable along a longitudinal axis (7), a shaft (5) attached to the piston extending into a second chamber (10) in a ho...
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WO/2007/006602A1 |
The invention relates to an ammonia generator (2, 66, 68), in particular for mobile applications, a vehicle (62) with such an ammonia generator (2, 66, 68) and a method for generating ammonia from a waste gas of a combustion process. It ...
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WO/2006/101789A1 |
A combustion nailer configured for reducing intake of contaminated air during operation, includes a combustion engine (14) having a cylinder (20) with a piston (22) reciprocating between a prefiring position and a fully extended position...
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WO/2006/097968A1 |
A power system for converting thermal energy into electric energy, comprising a thermal engine with at least one pair of opposed cylinders with pistons connected by a rigid bar (5), and at least one linear electric generator comprising a...
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WO/2006/091682A2 |
A four-cycle, four-cylinder, premlxed charge compression ignition internal combustion reciprocating free piston engine with a variable piston stroke and a compression ratio that varies as needed to provide charge ignition, to offer the p...
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WO/2006/069731A1 |
The invention relates to an axially driven piston/cylinder unit, comprising a cylinder (2), a piston (3), which may be displaced back and forth between a first piston position, in which the cylinder volume (18), enclosed by the piston (3...
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WO/2006/015285A1 |
An apparatus and method providing a system configured to transfer energy from an internal combustion engine to drive a load (980). The system includes a rapid response component (900), a valve system (914) and an actuator (960). The rapi...
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WO/2006/003376A1 |
An apparatus and method for controlling the offset and dynamics of a moving assembly in a reciprocating linear machine such as a linear compressor, heat pump or engine, comprises a gas spring connected to the moving assembly of the recip...
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WO/2006/000899A1 |
A free piston engine is configured with a pair of opposed engine cylinders located on opposite sides of a fluid pumping assembly. At least one of the pistons 202, 220 includes one or more generally axially extending bores 212, 213; 230, ...
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WO/2005/116447A1 |
A free piston engine is configured with a pair of opposed engine cylinders located on opposite sides of a fluid pumping assembly. An inner piston assembly includes a pair of inner pistons, one each operatively located in a respective one...
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WO/2005/100769A2 |
A method and system for controlling a free-piston energy converter is disclosed in which effects of events, like combustion events, in at least one of at least two cylinders, are decoupled from each other by predicting forces acting on t...
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WO/2005/100764A1 |
A method and system for controlling a free-piston energy converter is disclosed in which effects of events, like combustion events, in at least one of at least two cylinders, are decoupled from each other by predicting forces acting on t...
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WO2004092557B1 |
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 matte...
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WO/2004/111555A2 |
A heat pump system (10) including a heat generator (15), a heat engine (26) supplied with heat engine working fluid (18) by the heat generator (15) having a heat engine cylinder chamber (34), a heat engine piston (32), and a heat engine ...
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WO/2004/109084A1 |
The invention relates to a pulsed detonation engine. According to the invention, the transversal base (3) of the flame tube (2) is mounted in such a way that it can move in relation to said tube in order to be able to assume two boundary...
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WO/2004/093948A1 |
Disclosed is a self-priming portable powered device such as a tool, comprising a housing within which are defined a priming combustion chamber and a main combustion chamber, within which chambers during operation of the device there is a...
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WO/2004/046521A2 |
The invention relates to a two-cylinder, two-stroke internal combustion engine with free opposed pistons, said engine comprising at least two alternately fired cylinders (1, 2) which are successively arranged on the same axis, are respec...
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WO/2004/025098A1 |
The invention relates to an energy converter, comprising a combustion system (1) comprising at least one piston (2, 3), at least one combustion chamber (6, 7) provided with at least one inlet (11, 13) and at least one outlet (10, 12), in...
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WO/2004/022946A1 |
The invention relates to a method for regulating the operation of a device for generating electric energy. Said device comprises a generator with at least one stator winding that can be impinged by an electric voltage and at least one ro...
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WO/2003/091556A1 |
The invention relates to a universally applicable free-piston device with an electric linear drive (10, 40), comprising at least one piston receiving element (12) with at least one piston device (18) which is arranged in the piston recei...
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WO/2003/091555A1 |
The invention relates to a power unit the cylinder block of which comprises at least two cylinders (3) which have the shape of a partial toroid, pistons (4) mounted in the cylinders and a generator (8, 11, 18) for producing electricity a...
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WO/2003/078809A2 |
An opposed piston, opposed cylinder ''OPOC'' engine with at least one free piston (109), the engine having connecting members (182) to transfer the linear reciprocation of one or more pistons outside the engine in two opposing lines of m...
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WO/2003/078810A1 |
An electric power generating mechanism having flux generating elements connected to lines of opposed movement, the lines of opposed movement preferably being provided by the reciprocation of a set of three pistons (105, 107, 109) arrange...
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WO/2003/078835A1 |
A pumping mechanism having pumping elements (25, 30) connected to lines of opposed movement (83), the lines of opposed movement preferably being by the reciprocation of an engine (21) having a set of three pistons (5, 7, 9) arranged on a...
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WO/2003/074851A1 |
The invention relates to a device for transporting fluids, comprising an internal combustion engine, preferably having symmetric free floating step pistons. In order to transport liquid in a reliable manner and with a high flow rate, the...
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WO/2003/075441A2 |
A resonant electrical generation system (10) includes a resonator (14), an energy source (18), and an electrical generator (22). The resonator (14) provides resonating movement in a resonating element. The resonator (14) can include a ma...
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WO/2003/069142A1 |
This invention provides a free piston internal combustion engine comprising a cylinder defining a combustion chamber 14; and a piston 18 disposed inside the chamber 14. The piston 18 divides the combustion chamber 14 into two secondary c...
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WO/2003/062616A1 |
The inventive combustion engine for converting the combustion energy of combustible mixture (fuel gas or liquid with air) into mechanical motion comprises at least one cylinder (2) provided with valves (9) and a spark plug (8), a piston ...
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WO2003023225B1 |
A free-piston engine includes at least one dual piston assembly, each of which has a pair of axially opposed combustion cylinders (12) and free-floating combustion pistons (13, 14) respectively mounted in the combustion cylinders for rec...
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WO/2003/029626A1 |
A piston assembly, particularly suitable for use in a free piston internal combustion engine (10), is provided with a piston (14, 50, 62, 80, 102, 122, 140) including at least one oil coolant passage (21, 54, 72, 86, 108, 132, 142) there...
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WO2001023721A9 |
An internal combustion free-piston pump-engine provides pressurized fluid for a hydrostatic powertrain. The free-piston (4) is reciprocably mounted in a piston bore (3) and transfer combustion pressure directly into pressurized hydraulic...
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WO/2002/066806A1 |
The invention relates to a reciprocating piston machine with at least one main piston (5) disposed in an associated cylinder (4). A hydraulic system comprising at least one first hydraulic piston (8) appended to the main piston (5) is as...
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WO/2002/066807A1 |
The invention relates to a reciprocating piston engine with at least two opposed main pistons (5) that define a common working room (6). Said pistons interact with a rotatable organ (3) via separate hydraulic systems that contain one liq...
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WO/2002/055852A1 |
A free piston engine system (10), particularly suitable for use in a motorized vehicle, is provided with at least one hydraulic pump (14), each pump (14) having a first fluid port (18) and a second fluid port (20). A free piston internal...
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WO/2002/040843A1 |
In a two-strok engine, two pistons (11a, 11b) are coupled together so that when there is a compression stroke in one cylinder (15a), there is a power stroke in the other cylinder (15b). The shaft (13) connecting said pistons (11a, 11b) i...
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WO2001049999A9 |
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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WO/2002/029955A2 |
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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WO/2002/018760A1 |
A controlled direct drive engine efficiency uses positive-displacement power produced from a thermal energy source or sources (17, 18, 19), which may include combustion energy. Engine power production is from a plurality of cylinders (21...
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WO/2002/005407A2 |
A miniature, two cycle engine with a linear electrical generator is presented. The piston (4) attaches to the spring (36) and a moving coil (40) is also attached to the spring and/or rod assembly distal from the cylinder head (2). The sp...
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WO/2001/095465A1 |
A description is given of a linear generator (1) comprising an induction system (2) consisting of coils (3i) and magnets (4i), to which a relative motion is imparted by the fact that the said coil or coils (3i) or the said permanent magn...
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WO/2001/094752A1 |
A free-piston internal combustion engine comprises at least one pair of longitudinally opposed cylinders (1, 2) with an electricity generating stator (8) fixed thereto. Respective pistons (5, 6) are arranged in the cylinders (1, 2) for c...
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WO/2001/088352A1 |
The invention relates to a free piston motor (1) comprising a motor piston (6) which can be driven by a stepped hydraulic piston (8). The large diameter of said hydraulic piston (8) is guided in a compression cylinder (18) whereas the sm...
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