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WO/2005/089379 |
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...
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WO/2005/088120 |
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...
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WO/2005/085632 |
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...
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WO/2005/085687 |
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 ...
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WO/2005/081913 |
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...
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WO/2005/081791 |
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...
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WO/2005/081890 |
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...
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WO/2005/081913 |
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...
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WO/2005/073512 |
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...
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WO/2005/069824 |
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...
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WO/2005/068839 |
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...
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WO/2005/068839 |
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...
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WO/2005/066460 |
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...
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WO/2005/061905 |
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...
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WO/2005/061897 |
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...
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WO/2005/057007 |
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...
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WO/2005/049480 |
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...
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WO/2005/047638 |
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...
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WO/2005/045244 |
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...
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WO/2005/042923 |
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...
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WO/2005/028858 |
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 ...
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WO/2005/020413 |
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...
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WO/2004/113664 |
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...
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WO/2004/106735 |
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); ...
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WO/2004/103692 |
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...
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WO/2004/097214 |
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WO/2004/085798 |
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...
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WO/2004/083653 |
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...
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WO/2004/083648 |
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...
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WO/2004/083652 |
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...
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WO/2004/074637 |
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WO/2004/064221 |
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.
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WO/2004/057156 |
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,...
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WO/2004/051085 |
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...
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WO/2004/040132 |
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...
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WO/2004/033759 |
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...
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WO/2004/033886 |
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...
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WO/2004/031576 |
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...
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WO/2004/020826 |
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 ...
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WO/2004/018871 |
A vane-type hydraulic motor includes a rotor (30) having a main shaft (70) and a plurality of vanes (35), a cam casing (10) having a chamber (11) for rotatably housing the rotor (30), a first port (13) and a second port (15) for supplyin...
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WO/2004/013490 |
An engine device (10) consumes air under pressure to produce usable mechanical power. The device includes a wheel (28) rotatably supported within a tank of fluid (52). A plurality of pockets (40) at spaced positions about a periphery of ...
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WO/2004/011797 |
A hydraulic motor comprises an output shaft (2), a plurality of cylinders (4) each receiving a piston expanded / contracted by hydraulic pressure, a swash plate (7) abutting against the expanded/contracted pistons (6) to impart a rotary ...
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WO/2003/102420 |
A pump (200) comprises a driving rotor (202) and a driven rotor (203) that are positioned in a housing (199) such that, as the driving rotor and the driven rotor rotate, the teeth (223a) of the driving rotor and the teeth (223b) of the d...
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WO/2003/093702 |
The invention relates to a hydraulic motor unit comprising a hydraulic motor (1') which is connected to two working lines (3, 4). The swiveling angle (&agr ) of the hydraulic motor (1') is adjustable by means of an adjusting unit (7) whi...
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WO/2003/093677 |
A hydraulically operated motor may be located in an atmosphere having substantially high and varying pressure. The motor (130) may be provided with conduits (150, 158) that are in fluid communication with cavities (152) adjacent to the m...
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WO/2003/087579 |
The aim of the invention is to achieve a drive device with a stroke adjuster for a machine with several piston/cylinder units, which permits a stepless adjustment of the stroke of the piston from zero up to maximum stroke. The drive devi...
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WO/2003/086676 |
A transmission (106) for connecting a rotary motor output shaft (104) to a rectilinear actuator (26) which is moveable rectilinearly along an actuator axis (Y) of translation. The transmission (106) comprises a frame (148), an eccentric ...
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WO/2003/076799 |
The invention relates to a hydraulic engine comprising a cylinder block (6) with stepped radial cylinders with two chambers (8A, 8B), a thrust body (4) and a fluid distributor (16). Each stepped cylinder can be connected to a connecting ...
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WO/2003/074872 |
An axial piston, swash plate type, variable volume hydraulic mechanism (A) includes a cylinder block (17) rotatably mounted on the shaft (2) which defined axial cylinders (20) with respective pistons (22) bearing on annular swash plate (...
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WO/2003/062602 |
A positive displacement hydraulic pump&sol motor assembly for an energy management system operable in a driving mode, a braking mode and a neutral mode to provide supplementary drive from a regenerative braking in a vehicle, includes a r...
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