Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 151 - 200 out of 615

Document Document Title
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...  
WO2002029955A3
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...  
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 ...  
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...  
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...  
WO/2003/023225A1
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...  
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...  
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...  
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...  
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...  
WO2002005407A3
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...  
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...  
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...  
WO2002018760A8
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...  
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...  
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...  
WO2001058211A3
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 ...  
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...  
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...  
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...  
WO2001049998A3
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...  
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...  
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...  
WO2001045977A3
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...  
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...  
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...  
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...  
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 ...  
WO/2001/049999A1
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...  
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...  
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 ...  
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...  
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...  
WO/2001/023721A1
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
WO2000001933A3
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...  
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...  

Matches 151 - 200 out of 615