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WO/2001/088353A1 |
A free piston internal combustion engine (14), particularly suitable for use in a vehicle having an electric motor (22) as a prime mover, has a combustion cylinder (24), a piston (26) reciprocally disposed within the cylinder, and a pist...
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WO/2001/078218A1 |
The invention refers to an electrical machine with at least a machine unit (1). The machine unit includes a stator, which includes a plurality of magnetic flux conductors (3', 3'') and an electric conductor forming a winding extending in...
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WO/2001/078219A1 |
The invention refers to an electrical machine with at least a machine unit (1). This machine unit includes a stator, which includes a plurality of magnetic flux conductors (3', 3') and an electric conductor forming a winding extending in...
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WO/2001/059277A1 |
A simple propulsion engine utilizing unheated atmospheric air as the propellant, and driven by a single cycle engine with internal combustion cylinder and free piston is disclosed. A plain piston(3a, 3b, 4) is slidably displaceable in an...
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WO/2001/058211A2 |
An energy converter comprising a free piston engine with a cylinder (2), a piston (3), a body connected to the piston such as an armature (11) of a linear electric generator (10). The energy converter comprises a spring device (15), via ...
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WO/2001/049998A2 |
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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WO/2001/049373A1 |
The object of this invention is to provide a motor-driven jumping apparatus having a two-cycle engine. In this apparatus, the two-cycle engine (100) compresses, ignites and explodes a gas mixture by the weight of a user, thus generating ...
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WO/2001/045977A2 |
The invention refers to a device, which includes a combustion engine (1) with a piston (2), which is mechanically freely movable in a housing (3). The device is arranged to permit combustion of a fuel mixture in order to produce a pushin...
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WO/2001/038706A1 |
A free-piston engine is disclosed, whose engine piston may have a force applied, in the compression direction, by means of an hydraulic cylinder, which can, by means of a switching valve, be connected to the pressure in a high pressure s...
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WO/2001/016463A1 |
In a free piston machine (10), a coil (34) is mounted to its housing and magnetically linked to a permanent magnet (36) or electromagnet on its piston member (38) to form a linear motor. The coil and magnet are either added to embody the...
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WO/2001/011213A1 |
A free piston internal combustion engine (10) includes a housing (12) with a combustion cylinder (16) and a second cylinder (18). A piston (14) includes a piston head (32) reciprocally disposed within the combustion cylinder (16); a seco...
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WO/2000/077366A1 |
A displacement machine (10) comprises a housing (11), a reciprocating member (12) reciprocable linearly along an axis of reciprocation (13) in the housing (11) and defining with the housing (11) first (14) and second (15) variable volume...
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WO/2000/055482A1 |
An engine designed for driving a linear a.c. generator comprises several autonomously operating modules. Each module structure includes two opposite-positioned cylinders (1), which house pistons (2) connected via a rod (3) with a linear ...
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WO/2000/052314A1 |
A method of operating a free piston engine (10, 90, 100) of the present invention, includes a housing (12) with a combustion cylinder (18) and a second cylinder (20). A piston (14) includes a piston head (32) reciprocally disposed within...
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WO/2000/050749A1 |
A free piston internal combustion engine (10) includes a housing (12) with a combustion cylinder (16) and a second cylinder (20). A piston (14) includes a piston head (32) reciprocally disposed within the combustion cylinder (16), a seco...
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WO/2000/050756A1 |
A free piston internal combustion engine (10) includes a housing (12) with a combustion cylinder (16) and a compression cylinder (18). A fluid port (50) is disposed in communication with the compression cylinder (18) for transporting a p...
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WO/2000/050753A1 |
A free piston internal combustion engine includes a combustion cylinder (14) having a substantially cylindrical inside surface (38). A piston (12, 56, 72 and 74, 94) is reciprocally disposed within the combustion cylinder (14). The pisto...
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WO/2000/050755A1 |
A piston (14) includes a piston head (32) reciprocally disposed within the combustion cylinder (18), a second head (46) reciprocally disposed within the second cylinder (20), and a plunger rod (34) interconnecting the piston head (32) wi...
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WO/2000/050751A1 |
A free piston internal combustion engine (10) includes a combustion cylinder (16) having a substantially cylindrical inside surface (68). A piston (14) which is reciprocally disposed within the combustion cylinder (16) includes a piston ...
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WO/2000/050750A1 |
A method of operating a free piston internal combustion engine (10) includes the steps of: providing a housing (12) with a combustion cylinder (18) and a second cylinder (20), the combustion cylinder (18) having a bore with an inside dia...
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WO/2000/050754A1 |
A free piston internal combustion engine (10) includes a housing (12) with a combustion cylinder (18) and a hydraulic cylinder (20). A piston (14) includes a piston head (32) reciprocally disposed within the combustion cylinder (18) and ...
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WO/2000/050752A1 |
A method of operating a free piston engine (10, 90, 100) of the present invention provides a piston (14) including a piston head (32) reciprocally disposed within a combustion cylinder (28), a plunger head (46) reciprocally disposed with...
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WO/2000/029732A1 |
The invention relates to an internal combustion engine (10, 58) that does not have a crankshaft, comprising at least one pair of horizontally opposed combustion cylinders (12, 14; 60, 62) in which pistons (16, 18; 64, 66) are moveably ar...
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WO/2000/015954A1 |
Method for operating a free-piston engine (10) 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 (28) by the combustio...
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WO/2000/003133A1 |
The invention concerns a gas turbine engine coupled with an electric generator with regenerating systems for thermal and mechanical recuperation eliminating polluting constituents. Said engine operates with the following elements: a wate...
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WO/2000/001953A1 |
The invention relates to a quick switching hydraulic valve (7, 8) which opens or can be kept closed using an electric signal of low energy and which can switch very quickly with large passage. Regarding the known valves the switching val...
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WO/2000/001933A2 |
A free piston internal combustion engine having improved valve timing. A pair of oppositely disposed combustion chamber passageways (34, 36) extending between the combustion chamber (20) and the earth's atmosphere, each have a combustion...
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WO/1999/060258A1 |
A piston (16) is provided for use in a free-piston engine (10) and includes a crown portion (48) having a predetermined thickness, a plunger connection portion (50) having a passage (66) extending therethrough along the axis of the pisto...
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WO/1999/049192A1 |
The present invention relates to a method for controlling the power of a modular engine, wherein said method comprises separating the operative power control from the processes for controlling the fuel combustion and the combustion-produ...
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WO/1999/045633A1 |
An electrical power generating apparatus is developed as an internal combustion acoustically resonant engine. It has left and right acoustic formations (39), which are formed into the apparatus closure and constitute a multiple degree of...
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WO/1999/043936A1 |
An efficient free-piston internal-combustion engine (802, 811, 832, 14, 114, 314, 614) having an expansion ratio greater than the compression ratio. The engine has a gas bearing (804, 813, 831) and an exhaust temperature in excess of 600...
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WO/1999/034100A1 |
The object of the invention is to provide a device for digital hydraulic pressure transformation with low loss, intended for flow- and power control for hydraulic machines, particularly hydraulic cylinders, which via a switching device a...
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WO/1999/028025A1 |
Disclosed is a pulsed device for gas compression which includes a body (1) containing a cylindrical chamber (5) divided into two compartments (6, 7) as well as a free-running piston (8). The compartment (6) is adapted to carry out chemic...
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WO/1999/001651A1 |
A free piston internal combustion engine having improved valve timing. A pair of oppositely disposed combustion chamber passageways (34, 36) extending between the combustion chamber (20) and the earth's atmosphere, each have a combustion...
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WO/1998/054450A1 |
The invention relates to a hydraulic drive system for driving hydromotors. The hydromotors may be loaded with variable loads and are coupled via hydraulic transformers with the pressure conduit which is substantially maintained at a cons...
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WO/1998/046870A1 |
The invention relates to a free piston engine. The air required for combustion is supplied to the combustion chamber while the exhaust gasses leave the combustion chamber via an exhaust port. In order to achieve improved purging, that is...
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WO/1998/020242A1 |
The 1-cylinder-2-chamber motor is a new motor, with a very typical and unique use of the power of explosion and force transmission. The movements of the cylinder are transmitting the power by hydraulic and/or mechanic force. The movement...
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WO/1998/014694A1 |
The engine relates to an engine that works according to the principle of pulsating combustion and a method of operation for an engine comprising a pressure resistant housing (10) with a combustion chamber (12) located therein, an intake ...
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WO/1998/004819A1 |
A method of controlling the movement of a linear electric generator (10) moved by a pair of internal combustion pistons (11, 12) disposed in alignment and in opposition, in which current absorption is controlled in order that, during a r...
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WO/1997/035104A1 |
Machine power plant operation method, machine power plant operation regulation method and machine power plant. The invention is related to machine power plant and may be used, for instance, in automotive industry. To achieve minimum fuel...
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WO/1997/034079A1 |
A free-piston gas generator with a cylinder (2) and a piston (42) whose ends together with the cylinder (2) define a combustion chamber (60) and a buffer chamber (62), respectively, and where a piston compressor with a compression chambe...
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WO/1997/028362A1 |
A method for controlling the stroke of a diesel free-piston device with, e.g., a cylinder in which there are provided two pistons, which are moved synchronously towards or away from each other. At the ends of the cylinder the cylinder an...
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WO/1997/028363A1 |
Improvement in diesel free-piston gas generators with, e.g., a cylinder in which there are provided two pistons, which are moved synchronously towards or from each other. At the ends of the cylinder the cylinder and the pistons define a ...
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WO/1996/035046A1 |
A power unit with a diesel free piston device which is fed with air from a compressor device (96), and whose exhaust gas runs a turbine (150). The device has a cylinder (12) with two pistons (24, 26) which are movable in anti-phase and w...
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WO/1996/033343A1 |
A free piston engine (10) wherein a combustion piston (12) directly drives a pumping piston (13') to pump hydraulic fluid to and fro to a linear to rotary motion pump/motor converter which is in the form of a "split cycle" machine.
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WO/1996/032576A1 |
A device is provided for generating a fast movement for controlling a free piston aggregate in particular, comprising a cylinder (72) with therein a first adjusting piston (51) with a first position and a second position, which adjusting...
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WO/1996/028650A1 |
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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WO/1996/007815A1 |
A piston centering system for a free piston machine. The invention uses a centering passageway (26) which is in communication between a work space (14) and a second space (16) which spaces are formed in a housing and are separated by a p...
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WO/1996/003575A1 |
An hydraulic switching valve (35) comprises, among other parts, a valve housing (45, 62) with a first connection (33, 36) and a second connection (34, 67) and a valve body (37, 63) which is movable in the valve housing (45). The switchin...
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WO/1996/003576A1 |
A free-piston engine comprises a combustion part (1), a hydraulic control system (2), an energy consumption system and an engine control system. The combustion part comprises a combustion cylinder with at least one combustion piston (4)....
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