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WO/2013/016138A2 |
Systems and methods are disclosed for a two-part system with a gas generator and a driven engine system. In the two-part system, the first part of the system is the gas generator which produces power to operate and drive an engine. The d...
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WO/2013/004860A1 |
Hydraulic mechanism that comprises three identical extendable hydraulic cylinders (2), each composed of pistons (3), said cylinders being arranged in the form of an H-shaped body (4) of three fluid-filled cylindrical tubes, a central tub...
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WO/2012/177795A2 |
Free piston engines having a free piston having a first piston diameter in a cylinder with a combustion chamber on a first side of the first piston and a piston rod having a second diameter fastened to a second side of the first piston a...
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WO/2012/133242A1 |
A free-piston generator (10) for generating electricity with the linear reciprocal motion of a piston (20) is provided with a combustion chamber (26) and a spring portion (28) disposed on mutually opposite sides of the piston (20) and co...
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WO/2012/107495A1 |
The invention relates to a two-stroke internal combustion engine (1), comprising a pre-compression chamber (4) and at least one combustion chamber (5), which are connected to each other by means of fuel channel (6) through a cylinder hea...
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WO/2012/080575A1 |
The present invention provides a novel internal combustion engine of the annular piston type and a center shaft for such an engine for further improving the cooling an internal combustion engine of the annular piston type. The internal c...
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WO/2012/080709A1 |
A free-piston engine generator comprising an engine cylinder, a piston configured to move within the cylinder, a cylinder housing having a bore for receiving the engine cylinder and a plurality of magnetisable elements arranged within th...
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WO/2012/071239A1 |
Various embodiments of the present invention are directed toward a linear combustion engine, comprising: a cylinder having a cylinder wall and a pair of ends, the cylinder including a combustion section disposed in a center portion of th...
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WO/2012/061116A1 |
This invention provides a compact, fuel-efficient internal combustion engine that can be used to provide rotating shaft output power to a wide variety of mobile and stationary applications. It is based on a two-stroke free-piston gas gen...
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WO/2012/050541A1 |
The invention relates to internal combustion engines. The engine is provided with a pneumatic chamber and a hydraulic chamber, which are arranged in an engine cylinder, hydraulic high-pressure and low-pressure accumulators, a converter o...
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WO/2012/032264A1 |
The invention proposes an electric generator set (10) comprising at least two so-called linear moving elements (12, 14, 16, 18) each of which is made up of a piston (20, 22, 24, 26) and of a linear electric machine (38, 40, 42, 44), comp...
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WO/2012/025124A1 |
A free-piston engine with a linear power generator and a least one engine arrangement including: - a linear chamber with a longitudinal direction and at a first end with a first housing with a first reaction chamber, a first chamber port...
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WO/2012/010208A1 |
The invention relates to an electric power generator (10), comprising: an internal combustion engine (20) having a piston (22), a linear electric generator (40) for generating an electric current, comprising a linearly movable part (42) ...
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WO/2012/009858A1 |
A natural gas compressor capable of improving intake condition includes a radiating device (30) disposed between a balance cavity (16) and a predetermined gas intake (10a). The radiating device (30) has a flow-communicating conduit (31) ...
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WO/2012/004184A1 |
The invention relates to a free piston device comprising at least one free piston engine having at least one piston receptacle in which an expansion chamber for expanding a drive medium is formed, and a piston unit having a piston that d...
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WO/2011/144926A1 |
A linear-acting, free-piston internal combustion engine suitable for operation on a four-stroke engine cycle comprises a power piston (11a, 11b) reciprocating in a power chamber (18a, 18b) and a compression piston (23, 23a, 23b) reciproc...
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WO/2011/137659A1 |
A vibrator energy storage free piston engine comprises a free piston (1), an elastic body (2) and a vibrator (3). The free piston (1) is connected to the elastic body (2) which is connected to the vibrator (3). A rocking lever (5) can be...
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WO/2011/128773A1 |
An exhaust actuated free-piston kinetic engine timed in response to alternating pressurized exhausts from at least two power cylinders having power pistons connected to power output rods within and having exhaust ports in the cylinder wa...
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WO/2011/091022A1 |
In accordance with an embodiment of the invention, there is provided a device for generating electrical energy using a thermal cycle of a working gas. The device comprises at least one piston movably mounted in a container to form a work...
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WO/2011/077162A1 |
A combustion management system for a combustion engine having at least one cylinder with an intake means comprising a sliding port valve and an intake solenoid poppet valve arranged in series and provided at a distance from the cylinder ...
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WO/2011/077118A1 |
A piston for an engine generator, comprising alternating laminated core elements and non-magnetising spacer elements arranged along a piston shaft and secured such that contact is maintained between neighbouring elements, wherein the len...
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WO/2011/077119A2 |
A free-piston engine comprising an engine cylinder and a single piston member comprising a double-ended piston configured to move within the cylinder, wherein the piston member partitions the cylinder into two separate chambers, each of ...
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WO/2011/077178A1 |
A high-speed, pressure-actuated long stroke rotary free piston engine that always maintains an optimum ninety-degree vector angle is hereby disclosed comprising an actuator assembly that actuates the flow of working fluid into and out of...
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WO/2011/057891A2 |
The invention relates to a piston (12, 22, 102, 212, 222) for a free piston internal combustion engine (1, 100, 200) having a first end face (122a) on the combustion chamber side and a cylinder axis (X) substantially perpendicular to the...
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WO/2011/051360A1 |
A combined electro-hydraulic hybrid drive has the advantage that by means of the hydraulic connection between the two drives it is possible to use the two drives jointly or individually. The free piston motor as an internal combustion en...
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WO/2011/046975A1 |
Hydraulic internal combustion engines having at least one combustion piston not mechanically connected to a crankshaft or any other combustion piston, but instead acting on hydraulic plungers through valving that is electronically contro...
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WO/2011/026774A1 |
The present invention relates to a piston engine (1). Said engine comprises a housing (2) and a piston (3). The piston (3) is magnetically and movably disposed in the housing (2). A device (7) for magnetically supporting the piston (3) i...
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WO/2011/006797A1 |
Practical operation of a free piston engine requires compensation of the vibrating masses, because otherwise severe vibrations can occur due to the forces arising in the combustion process, which can lead to damage to the free piston eng...
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WO/2010/118497A1 |
The piston machine is provided with channels (2) with a pair of pistons (3) disposed therein which are connected by a drive (4) that makes it possible to configure the device so that the working volume of the channels (2) can be adjusted.
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WO/2010/081929A1 |
Method for generating pyroelectric energy. The present invention relates to a method for generating pyroelectric energy characterized in that it comprises at least: d) a first stage for generating energy from the controlled explosion of ...
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WO/2010/059819A2 |
A method for purging reductant is disclosed. The method includes dispensing reductant into an exhaust system (12) via a dispensing device (65). The method also includes purging the dispensing device by urging the reductant from the dispe...
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WO/2010/046121A1 |
The invention relates to a free-piston engine (10) having variable hub, comprising a piston (12) and a piston receptacle (14) having a side wall (16), along which the piston (12) can be displaced in a linear way, and having a first openi...
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WO/2009/156257A1 |
A method for operating a floating piston device is provided, comprising at least one floating piston motor with an electrical linear drive, wherein the at least one floating piston motor comprises a piston apparatus that is driven in a l...
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WO/2009/133304A2 |
According to the invention, the said engine (I), which comprises at least one flame tube (2) with a mobile transverse end wall (18), comprises an external envelope (3) around the said flame tube (2), which defines a peripheral annular sp...
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WO/2009/113114A1 |
A controlled sequence of explosions of calculated amounts of exploding materials inside an explosion chamber, efficiently transfers a quantity of motion between a massive hammer obstructing the explosion chamber and a lighter dancer plac...
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WO/2009/079687A1 |
A four-stroke free piston internal combustion engine (1) has an engine block structure (2) defining first and second axially opposing cavities (3 a, 3b). A piston structure (4) is mounted in the engine block structure (2) for reciprocati...
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WO/2009/073406A2 |
A rotary mechanically reciprocated sliding vane air pump is integrated with pulse driven boundary layer gas turbines on a single shaft. The shaft is slotted and is aligned with a slotted rotor that mechanically drives a reciprocating sli...
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WO/2008/156897A9 |
A rapid-fire external compression engine having an intake device configured to introduce a pre-compressed fuel-oxidizer mixture from an external source into a combustion chamber having a low-inertia rapid response component. The rapid re...
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WO/2009/024608A1 |
An electrical generator system (1) with an asynchronous generator (2) and a drive via free-piston boxer motors (19) is described. The free-piston motors (5) have a particularly robust and efficient design, in particular in terms of the c...
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WO/2009/015596A1 |
A forced vibration directly driving generation system with an accelerating spring uses linear motion of a reciprocating engine piston (1) to drive a coil (7) or a magnet (9) and generate electricity. A spiral spring (8) of a main vibrati...
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WO/2008/118838A1 |
An exhaust check valve and piston return system wherein a main exhaust valve is opened as a result of combustion products from the combustion chamber being routed through a signal line. In addition, as a result of the opening of the main...
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WO/2008/065081A2 |
The invention relates to a free-piston engine that is connected to a pre-compressor (14) and a turbine (16) by pressurized gas. The free-piston engine (18) according to the invention has at least one piston (20) that can be reciprocated ...
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WO/2008/060129A1 |
The inventive hydraulic piston internal combustion engine comprises two working cylinders which are provide with pistons (5), a cylinder head (9) provided with inlet (10) and outlet (11) cylinder valves, wherein a combustion chamber (7) ...
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WO/2008/060128A2 |
The inventive hydraulic piston internal combustion engine comprises two working cylinders which are provided with pistons (5), a cylinder head (9) provided with inlet and outlet valves (10, 11), wherein a combustion chamber (7) is locate...
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WO/2008/060129A2 |
The inventive hydraulic piston internal combustion engine comprises two working cylinders which are provide with pistons (5), a cylinder head (9) provided with inlet (10) and outlet (11) cylinder valves, wherein a combustion chamber (7) ...
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WO/2008/060128A1 |
The inventive hydraulic piston internal combustion engine comprises two working cylinders which are provided with pistons (5), a cylinder head (9) provided with inlet and outlet valves (10, 11), wherein a combustion chamber (7) is locate...
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WO/2008/028216A1 |
There is an internal combustion engine having a housing (1) with at least one cylinder. There is an electricity generating stator (5) fixed relative to the cylinder. There is a piston (3) arranged in the cylinder for cycles of reciprocat...
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WO/2008/004856A1 |
The present invention relates to a device for energy conversion, comprising: a housing provided with at least one chamber and a piston which is freely movable within said chamber, wherein said piston is capable of reciprocating movement ...
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WO/2007/126312A1 |
The invention relates to a energy converter comprising a combustion cylinder having a valve that, as part of a valve/piston assembly, transfers the forces generated in the 5 combustion chamber to an electrical linear actuator, and a seal...
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WO/2007/111800A2 |
A monocylindrical two-cycle engine (28) boosted by a reciprocating air compressor (32) and a hydraulic pump (34) The pump having a plunger (138) fastened to the engine piston (64) and located coaxially with the compressor piston The pump...
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