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Patent Searching and Data


Matches 401 - 450 out of 6,419

Document Document Title
WO/2005/089295A3
A WEC system embodying the invention includes a column and shell, arranged to move relative to each other, and a lever-like apparatus having an input end and an output end and an intermediate point, between the two ends, the intermediate...  
WO/2005/089295A2
A WEC system embodying the invention includes a column and shell, arranged to move relative to each other, and a lever-like apparatus having an input end and an output end and an intermediate point, between the two ends, the intermediate...  
WO/2005/089379A2
A WEC embodying the invention includes a non-circular main central column positioned within a like non-circular central opening of a shell to contain the central column and prevent rotation or twisting of the shell relative to the column...  
WO/2005/088120A1
An environmental protection type oil hydraulic engine comprises: four oil hydraulic cylinders, the bottom of each of which is hinged on the base so as to swing forward and backward, and each of which is connected with oil pump via an oil...  
WO/2005/085632A1
A wave energy converter system comprises two floats; a first being generally flat and heaving up and down in phase with passing surface waves on a body of water, and the second being elongated and heaving up and down out of phase with th...  
WO/2005/085687A1
Swivel motors have considerable internal sealing problems, particularly within a large operating temperature range. In order to improve sealing within a temperature range of 40 to + 130 °C, a sealing device (20), consisting of an inner ...  
WO/2005/081913A2
A rotary fluid machine, such as a pump or motor has a housing with a spherical interior in which primary and secondary vanes (52,54) rotate with the secondary vane reciprocating between open and closed positions with respect to the prima...  
WO/2005/081791A3
A compressor of this invention includes a flow passage supplying lubricant to an outlet bearing and to an inlet bearing. An orifice is disposed within the flow passages for controlling lubricant flow to the bearing assemblies. A choke or...  
WO/2005/081890A3
A helical screw conveyor having a helical screw rotatably mounted within a casing and cooperating with a chain of platens to convey objects from one end of the casing to the other end or to selected locations therebetween. A thermodynami...  
WO/2005/081913A3
A rotary fluid machine, such as a pump or motor has a housing with a spherical interior in which primary and secondary vanes (52,54) rotate with the secondary vane reciprocating between open and closed positions with respect to the prima...  
WO2005047638A3
A blast-hole drilling rig includes a carriage, a mast disposed on the carriage, and a rotary head mounted on the mast for up-and-down movement. The rotary head includes: a housing forming an internal chamber, a hydraulically driven motor...  
WO/2005/073512A1
The present invention aims at completing the work concerning prime movers by generalizing some support methods, such as poly-induction machines, through hoop gearing, as well as by generalizing the criteria for manufacturing prime movers...  
WO/2005/069824A3
The invention relates to active impedance matching systems (AIMS) and methods for increasing the efficiency of a wave energy converter (WEC) having a shaft and a shell intended to be placed in a body of water and to move relative to each...  
WO/2005/068839A8
A highly impulsive electrohydrodynamic, closed cycle gravitation supporting motor is used for driving devices having a high output, particularly shafts of ship propellers. The inventive motor comprises at least four supporting pistons (7...  
WO/2005/068839A1
A highly impulsive electrohydrodynamic, closed cycle gravitation supporting motor is used for driving devices having a high output, particularly shafts of ship propellers. The inventive motor comprises at least four supporting pistons (7...  
WO2005020413A3
A machine that is a self regulating rotor with a set of cups or vanes that are pivotally attached about a central axis such that they form a closed three dimensional shape that when closed, and when rotated into an open orientation for a...  
WO/2005/066460A1
This paper describes a rotary piston engine, the movements of the piston (1) of which have been arranged rotating in alternate strokes round two different axles (P, P1), by concentrating the paths of the torsional construction of the rot...  
WO2004074637A3
The present invention is a cylindrical linear fluid motor (10) comprising a plurality of reciprocating rotary piston sleeve (42) intermediate an inner coaxial hollow drive shaft (20) and an outer cylindrical housing (30). Rotating disc v...  
WO/2005/061905A1
A spool valve includes a first valve port (162, 174) coupled to a fluid source at a first pressure range, a second valve port (164) coupled to a fluid source at a second, lower, pressure range, and first and second output ports (168, 170...  
WO2005042923A8
The variable-volume positive-displacement device (5) despite being compact and lightweight, maintains pressure ratios of over 10 to 1 in a single stage operation. There is little loss of working fluid leakage, due to optimum sealing conf...  
WO/2005/061897A1
The invention concerns a hydraulic motor with a displacement section having a rotating and orbiting displacement element, a valve section having a valve slide supported to be rotatable in a housing bore, and a coupling device, which tran...  
WO/2005/057007A1
A hydraulic machine which can exchange hydraulic fluid pressure with rotational motion of an input/output means (5), having a radial arrangement of a plurality of hydraulic piston and cylinder assemblies (50) about a crankshaft (15), the...  
WO/2005/049480A1
A method of actuating, comprising: filling at least a portion of a tube (21) with a liquid (19) containing electrolytes, the tube (21) having an inner surface that is electrically chargeable when in contact with the liquid (19); position...  
WO2004064221A8
A system and method of generating energy as a function of gravitational force. This includes a potential energy of position energy generating system and method and a buoyancy and gravitation loop.  
WO/2005/047638A2
A blast-hole drilling rig includes a carriage, a mast disposed on the carriage, and a rotary head mounted on the mast for up-and-down movement. The rotary head includes: a housing forming an internal chamber, a hydraulically driven motor...  
WO/2005/045244A1
The invention concerns a hydraulic motor capable of converting the energy of a pressurized fluid into reciprocating motion. The hydraulic motor is characterized in that it comprises an enclosure (100) inside of which two bellows (101, 10...  
WO/2005/042923A1
The variable-volume positive-displacement device (5) despite being compact and lightweight, maintains pressure ratios of over 10 to 1 in a single stage operation. There is little loss of working fluid leakage, due to optimum sealing conf...  
WO2004033886A3
A gas stream with a reduced oxygen concentration relative to ambient air is used to vaporize a liquid fuel or liquified hydrocarbon gas, or is mixed with a vaporized gas, and the reduced oxygen vaporized fuel gas is fed to a combustion d...  
WO2004064221A3
A system and method of generating energy as a function of gravitational force. This includes a potential energy of position energy generating system and method and a buoyancy and gravitation loop.  
WO/2005/028858A1
The rotary motor driven by thrust force, which is a thrust force based mechanical power generation system that belongs to the field of mechanics, more particularly a power generation system having an actuating system based on the thrust ...  
WO/2005/020413A2
A machine that is a self regulating rotor with a set of cups or vanes that are pivotally attached about a central axis such that they form a closed three dimensional shape that when closed, and when rotated into an open orientation for a...  
WO/2004/113664A1
A downhole motor arrangement for a directional drilling comprises a first motor component (22), a second motor component (24) encircling at least part of the first motor component (22), and a third motor component (26) encircling at leas...  
WO/2004/106735A1
The invention relates to an energy-conversion system comprising a volumetric apparatus. The aforementioned volumetric apparatus comprises: two bodies, i.e. a stator (12) and a rotor (71) which can rotate around an axis of rotation (72); ...  
WO/2004/103692A1
The invention relates to a hydraulic drive for a punch or forming machine comprising a working cylinder (2) with several pressure chambers (6, 8), the plunger (4) of said cylinder acting directly or indirectly on a workpiece to be machin...  
WO/2004/097214A2  
WO/2004/085798A1
The invention relates to gerotor mechanisms for screw downhole motors used for drilling petrol and gas wells, to screw pumps for producing petrol and pumping fluids and to general purpose screw motors. The profiles of a rotor (3) and sta...  
WO/2004/083653A1
The present invention relates to an arrangement for controlling two drive units which interact with one another, one of which consists of a hydraulically driven motor (2). This forms part of a hydraulic system in which hydraulic fluid un...  
WO/2004/083648A1
The present invention relates to an arrangement for controlling a hydraulically driven motor, forming part of a hydraulic system in which hydraulic fluid under pressure forms a main flow through a main duct in which the motor is connecte...  
WO/2004/083652A1
The present invention relates to an arrangement for controlling a 5 hydraulically driven motor (2), forming part of a hydraulic system in which hydraulic fluid under pressure forms a main flow through a main duct (1) in which the motor i...  
WO/2004/074637A2
The present invention is a cylindrical linear fluid motor comprising a plurality of reciprocating rotary piston sleeve intermediate an inner coaxial hollow drive shaft and an outer coaxial cylindrical housing. Rotating disc valves at bot...  
WO/2004/064221A2
A system and method of generating energy as a function of gravitational force. This includes a potential energy of position energy generating system and method and a buoyancy and gravitation loop.  
WO/2004/057156A1
The invention relates to a radial-piston motor comprising pistons (2) that lie on the periphery of an eccentric (1). A respective guide body (5), which is mounted radially towards the exterior of the housing (4, 9) in order to oscillate,...  
WO2004031576A3
The hydraulic machine with radial cylinders (3, 4, 5, 6 and 7) comprises pistons (8) with radial stroke, arranged in contact with an outer cam (13) and coplanar with said group of cylinders, each equipped with a roller on the path (12) o...  
WO2004033759A3
Methods, apparatus systems which utilize gas-lift pumping in producing mechanical and/or electric power. A system and method for generating energy from electrolysis performed at a substantial depth inc includes generating gas by an elect...  
WO2004020826A3
The invention relates to internal gear gerotor mechanisms (GM) in which a tooth difference between the stator and rotor thereof is equal to one. The rotor axis of the planetary moving GM is offset at a distance of gear eccentricity with ...  
WO/2004/051085A1
The invention concerns a hydraulic machine, in particular a hydraulic motor, comprising: a body (1), a piston (9) adapted to slide in reciprocating motion in a cylindrical housing (7) of the body, a chamber (C1, C2) being formed on eithe...  
WO/2004/040132A1
The invention concerns a mechanism such as a motor or a pump comprising a cam (10) and a cylinder block (12) including a plurality of cylinders (14A,14B, 14) connected to communication orifices (34A, 35A ; 34B, 35B) arranged in a communi...  
WO2003050396B1
This invention provides an apparatus and a method for generating power from a flowing liquid. The apparatus has three main components. The first component is a control unit (40) for selectively directing the lowing liquid to the second c...  
WO/2004/033759A2
Methods, apparatus systems which utilize gas-lift pumping in producing mechanical and/or electric power. A system and method for generating energy from electrolysis performed at a substantial depth inc includes generating gas by an elect...  
WO/2004/033886A2
A gas stream with a reduced oxygen concentration relative to ambient air is used to vaporize a liquid fuel or liquified hydrocarbon gas, or is mixed with a vaporized gas, and the reduced oxygen vaporized fuel gas is fed to a combustion d...  

Matches 401 - 450 out of 6,419