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Patent Searching and Data


Matches 401 - 450 out of 6,497

Document Document Title
WO/2006/068931A2
The shutdown of a compressor (10) installed in a refrigerant circuit (2) in air conditioning or refrigeration system is controlled so as to prevent unpowered reverse rotation of the compressor. Prior to terminating electric power to the ...  
WO/2006/067076A1
A piston pump (1A, 1B) is disclosed, comprising at least one piston element (4A, 4B), driven by a drive device (2) and arranged to be longitudinally-displaced in a housing (3) and with at least one first pressure chamber (10A, 10B), defi...  
WO/2006/064958A1
In a swash plate-type piston motor (2), pistons (24, 41) reciprocatingly moved by fluid pressure and a cylinder block (23) rotating in an operation chamber (21) depending on the reciprocating motion of the pistons (24, 41) are received i...  
WO/2006/063545A1
The invention relates to a piston arrangement of a hydraulic piston machine, for example, an axial piston machine. A sliding block is placed on the piston. According to the invention, said sliding block is moulded directly onto the pisto...  
WO/2006/062844A3
Methods and apparatuses are disclosed that create variable volume chambers. A method includes synchronizing rotation of a plurality of geometrical elements (102, 104, 106; 202, 204, 206) to create a first chamber with the plurality of th...  
WO2005079302A3
The present invention is directed to a gear pump having a housing (10') with an interior pumping chamber (200) and an inlet (40') to and outlet (42') from the chamber, the outlet being spaced from the inlet. A pair of rotating gears (330...  
WO/2006/058756A1
The invention relates to a device for converting pressure into a rotary movement or torque, and vice versa, for converting torque into pressure. Said device comprises a stator (1) and a rotor (2). The stator (1) is provided with a circum...  
WO/2006/055393A2
A converter for producing useable energy from fluid motion of a fluid medium. The converter includes a support structure, at least one movable element immersed in the fluid medium and supported externally on the support structure such th...  
WO/2006/047241A3
According to one embodiment of the invention, an engine system comprises a housing, an outer gerotor, an inner gerotor, a tip inlet port, a face inlet port, and a tip outlet port. The housing has a first sidewall, a second sidewall, a fi...  
WO/2006/042435A1
The invention relates to a hydrostatic axial piston machine (10) comprising a cylinder block (30) which can be rotated about a first axis (39), said cylinder block being provided with a plurality of cylinder bores (28) which extend in th...  
WO2005093258A3
The invention relates to a hydraulic motor or pump of annular gear construction, with working chambers formed between an outer toothing (18) of an annular rotor (3) and inner toothing (19) fixed to the housing, which periodically expand ...  
WO/2006/041494A1
A compressor includes a male rotor (26) having a screw-type boy portion (30) extending from a first end (31) to a second end (32) and held within a housing assembly for rotation about a first rotor axis (500). A female rotor (27, 28) has...  
WO2005119066A3
A gear (60) for use in a gear pump (2) having intermeshing gear teeth (62) includes indentations (64) formed on one or both of first and second sides of at least one of the multiple gear teeth of the gear. Each of the indentations is of ...  
WO2005113979A3
A buoyancy engine, including an upper casing, a lower casing, and a manifold separating the upper and lower casings. The manifold has internal and external control means, that control amounts of liquid entering and leaving the manifold a...  
WO2005100780A3
A variable capacity pump/motor (100) has a meshing internal and external gear set (128, 124) disposed between an upper mandrel (140) and a lower mandrel (110), each including a flange (120, 144) extending towards the gears to divide a pu...  
WO/2006/025936A1
A system for moving fluid from a lower elevation to a higher elevation and then returning fluid to its original level, or alternatively to a level above its beginning lower elevation comprising a variable volume chamber with a weighted l...  
WO/2006/018848A2
A static-fluid-pressure-driven rotary motor includes a casing (12, 121), which defines a chamber having a fluid inlet and a fluid outlet, and at least one rotor assembly (10) rotatably mounted within the casing. The rotor assembly includ...  
WO/2006/018848A3
A static-fluid-pressure-driven rotary motor includes a casing (12, 121), which defines a chamber having a fluid inlet and a fluid outlet, and at least one rotor assembly (10) rotatably mounted within the casing. The rotor assembly includ...  
WO/2006/010471A1
The invention relates to a hydrostatic, slow-speed rotary cylinder engine comprising a power part (1) which acts as an output, said power part comprising a central, stationary stator (4), a rotary cylinder (6) which is used as a rotor an...  
WO/2006/009603A1
A scroll compressor has a recess (46, 48, 49, 56, 58) cut into a surface of a crankcase (27) or an orbiting scroll (26) while there is no material removed next to the seals (29, 31) that seal refrigerant in the back chamber located betwe...  
WO2005089378A3
An ocean wave energy converter (WEC) utilizes the relative motion between permanent magnet(22) and induction coil assemblies(24) to generate electricity. The permanent magnet assemblies(22) and induction coil assemblies(24) are separatel...  
WO/2005/119066A2
A gear (60) for use in a gear pump (2) having intermeshing gear teeth (62) includes indentations (64) formed on one or both of first and second sides of at least one of the multiple gear teeth of the gear. Each of the indentations is of ...  
WO/2005/113979A2
A buoyancy engine, including an upper casing, a lower casing, and a manifold separating the upper and lower casings. The manifold has internal and external control means, that control amounts of liquid entering and leaving the manifold a...  
WO/2005/110251A3
A surgical pneumatic motor is designed to be used with an MRI machine without affecting or influencing the magnetic characteristic of the MRI machine. While certain components are made from stainless steel this material is a non-magnetic...  
WO/2005/103488A2
A device for reducing parasitic loss of a fluid pump is accomplished by connecting the power supply driveshaft to the drive pump element through a clutch element. The clutch element engages the drive pump element and frictionally engages...  
WO/2005/103488A3
A device for reducing parasitic loss of a fluid pump is accomplished by connecting the power supply driveshaft to the drive pump element through a clutch element. The clutch element engages the drive pump element and frictionally engages...  
WO/2005/100780A2
A variable capacity pump/motor (100) has a meshing internal and external gear set (128, 124) disposed between an upper mandrel (140) and a lower mandrel (110), each including a flange (120, 144) extending towards the gears to divide a pu...  
WO/2005/098232A3
A process is described for the synthesis of metal oxides in a nanometric particle form that cannot be easily obtained by conventional bulk synthesis techniques. The method makes use of Colloid Occluded Carbons (COC) and Colloid Imprinted...  
WO/2005/098232A2
A process is described for the synthesis of metal oxides in a nanometric particle form that cannot be easily obtained by conventional bulk synthesis techniques. The method makes use of Colloid Occluded Carbons (COC) and Colloid Imprinted...  
WO/2005/094547A2
A pump assembly (100) having a pump housing (206 and 208) and a rotor (222) rotatingly disposed within the housing, the rotor having a plurality of slots (226). The pump assembly includes a plurality of vanes (224), each vane moveably di...  
WO/2005/093258A2
The invention relates to a hydraulic motor or pump of annular gear construction, with working chambers formed between an outer toothing (18) of an annular rotor (3) and inner toothing (19) fixed to the housing, which periodically expand ...  
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/2005/089378A2
An ocean wave energy converter (WEC) utilizes the relative motion between permanent magnet(22) and induction coil assemblies(24) to generate electricity. The permanent magnet assemblies(22) and induction coil assemblies(24) are separatel...  
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/2005/089284A2
A magnetic braking system for inhibiting excessive motion between a float (5) and a column (3) intended to be placed in a body of water; with the float (5) and column (3) moving relative to each other as a function of the waves present i...  
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/2005/088120A1
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/2005/085687A1
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/2005/085632A1
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/2005/081913A3
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...  
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/2005/081791A3
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/2005/081913A2
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...  
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/2005/068839A1
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...  
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/2005/066460A1
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...  
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...  

Matches 401 - 450 out of 6,497