Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 2,276

Document Document Title
WO/2009/018934
The invention relates to a hydrostatic machine having an actuating device for adjusting a displacement volume of the hydrostatic machine, wherein the actuating device has a return element (3) for actuating a control valve (15) as a funct...  
WO/2008/153891
A Moineau style stator includes a helical cavity component having reinforced helical lobes. The lobes are reinforced with a three-dimensional network of physically bonded aggregate particles. The network of bonded aggregate provides a po...  
WO/2008/129349
A rotary fluid pressure device (11) includes a plate assembly (17) having a plate member (71) and at least one cover plate (105), which defines a mounting surface (107) adapted for sealing engagement with an exterior surface (77) of the ...  
WO/2008/129349
A rotary fluid pressure device (11) includes a plate assembly (17) having a plate member (71) and at least one cover plate (105), which defines a mounting surface (107) adapted for sealing engagement with an exterior surface (77) of the ...  
WO/2008/125779
The invention relates to a hydraulic engine that comprises a cam (4) connected to a casing (1A, 1B, 1C, 1D), a cylinder block (10) and an internal fluid dispenser (22) provided in the casing, as well as an output shaft (34). The cylinder...  
WO/2008/114843
A first swash plate (30) and a second swash plate (40) are arranged on the two sides of a cylinder block (4), and a plurality of cylinders (6) are arranged in the cylinder block (4) on a circumference around the center axis (O40) of the ...  
WO/2008/109002
A float (1 ) suitable for use as a buoy or as a component for a wave-powered vehicle. The float (1 ) includes an upper member (12) whose height can be changed and/or which remained substantially vertical even when the float is in wave-be...  
WO/2008/109002
A float (1 ) suitable for use as a buoy or as a component for a wave-powered vehicle. The float (1 ) includes an upper member (12) whose height can be changed and/or which remained substantially vertical even when the float is in wave-be...  
WO/2008/089714
The invention relates to an adjustable coolant pump for internal combustion engines. The object of the invention is to develop a continuously adjustable coolant pump for motor vehicles, driven by a hydraulic motor/oil motor, wherein the ...  
WO/2008/088368
A device comprising a float and lever arm combination attached to a beam such that the float and lever arm can unfold and change orientation to the ocean surface. The float and lever arm pivot and the float can be rotated to a vertical p...  
WO/2008/080313
A top rotating engine includes a rotating disc (1) used as a cylinder block and a cylinder cap (2); an inlet (21) for introducing fluid and an outlet (23) for discharging fluid are spacedly provided in said cylinder cap, more than two an...  
WO/2008/079131
A three rotor screw compressor is provided with a bearing cover, and an integral discharge case having a divider wall formed integrally with the bearing cover. The bearing cover closes bearing chambers for each of three rotor shafts, and...  
WO/2008/075547
A shoe ring is prevented from falling out without coming into sliding contact with its adjacent component. In a radial pump/motor arranged where slide contact portions (27b) of piston shoes (27) are held to be in contact with the inner p...  
WO/2008/072338
[PROBLEMS] To enhance the wear resistance and seizure resistance of the sliding surfaces of a swash plate and a swash plate support base while improving productivity. [MEANS FOR SOLVING THE PROBLEMS] In the swash plate type piston pump m...  
WO/2008/069773
A compressor (20) has an unloading slide valve (100) . The valve has a valve element (102) having a range between a first condition and a second condition, the second condition being unloaded relative to the first condition. A first surf...  
WO/2008/059760
A dual speed swash plate motor in which long lifetime can be achieved by reducing abrasion occurring in a tilt-turn piston and a cylinder hole for the tilt-turn piston and by enhancing endurance. The dual speed swash plate motor comprise...  
WO/2008/054589
A fluid motor (10) including an inner race (14) and an outer race (12) is disclosed. The inner and outer races are configured to rotate about a substantially common axis (18). The motor also includes at least one fluid actuator (34) conf...  
WO/2008/046423
The invention relates to an arrangement for transmitting torsional forces between a first part (11) which has an essentially planar, first bearing face, and a second part (12) which has an essentially planar, second bearing face (25) aga...  
WO/2008/031012
A telescoping gear pump comprises a bolt, a Bellville washer, a wear plate, a seal housing, a seal spring, a spur gear including a wear lobe, a seal ring and a case drain path, a shaft, a ring gear including a wear lobe, seal ring, and a...  
WO/2008/030228
A blending pump assembly for accurately maintaining the proper ratio of two fluid components (12, 15). Flow of a first fluid is utilized to drive a fluid motor, which in turn drives a pumping mechanism to inject a proportional amount of ...  
WO/2008/029052
Hydraulic device such as a motor or a pump comprising a first part (IC; IA) and a second part (ID; IB) fixed together, one of these parts being part of the casing. The fastening means connecting these two parts comprises at least one sec...  
WO/2008/026501
A hydraulic rotation machine having a rotating shaft provided in a casing, a cylinder block connected to the rotating shaft and having cylinder holes formed in it, and pistons slidably installed in the cylinders. The pistons reciprocate ...  
WO/2008/024505
The present disclosure includes an engine having a torodial piston chamber, at least one piston positioned in the torodial piston chamber, and at least one engine valve positioned to interact with the torodial piston chamber.  
WO/2008/020103
The present invention consists of harnessing the energy available in the water stored in a tank at a height of at least 5 metres by means of installation of various vertical pipes which include at their lower end a 180º bend, at the fre...  
WO/2008/017766
The mechanism comprises a cylinder block (10) with radial pistons, the block rotating in a fixed casing (1A, 1B), a distribution cover (1A) forming part of the casing and having admission and exhaust pipes (3A, 3B) extending between an o...  
WO/2008/012577
The present invention provides a method of controlling a fluid working machine (12) having a plurality of working cylinders (14) having pistons (16) therein and arranged to drive a shaft (18), in which said cylinders are supplied with pr...  
WO/2008/012577
The present invention provides a method of controlling a fluid working machine (12) having a plurality of working cylinders (14) having pistons (16) therein and arranged to drive a shaft (18), in which said cylinders are supplied with pr...  
WO/2008/009131
The present invention relates to a way to adapt a wave transducer to the actual amplitude of incident waves, so as to improve the efficiency of energy conversion. The adaptation includes a variable-energy piston assembly and a tapered fl...  
WO/2007/146999
A gerotor device having a rotor and a stator, the rotor including a plurality of teeth defining a profile, each tooth being divided by a tooth axis. At least one tooth includes an inner recess and an outer recess spaced from the inner re...  
WO/2007/146999
A gerotor device having a rotor and a stator, the rotor including a plurality of teeth defining a profile, each tooth being divided by a tooth axis. At least one tooth includes an inner recess and an outer recess spaced from the inner re...  
WO/2007/146542
A wave energy conversion system which includes a hull that serves as a float, moving up and down with incoming waves The hull comprises a longitudinal main rotary shaft upon which a seπes different diameter sets of dual samediameter pin...  
WO/2007/146542
A wave energy conversion system which includes a hull that serves as a float, moving up and down with incoming waves The hull comprises a longitudinal main rotary shaft upon which a seπes different diameter sets of dual samediameter pin...  
WO/2007/140867
An axial piston machine comprises a housing (1), the housing interior of which receives an eccentric disc (3) and a rotatably mounted cylinder drum (6) having cylinders (26, 28) and pistons (29) which can move to and fro in said cylinder...  
WO/2007/140869
The invention relates to a hydrostatic piston machine having a housing (2), a cylinder drum (3) which is mounted rotatably in the latter, a multiple disc brake (16) and a thrust ring (21) for this purpose. The cylinder drum (3) can be br...  
WO/2007/140868
An axial piston machine comprises a housing (1) which receives an eccentric disc (3) and a rotatably mounted cylinder drum (6) having cylinders (26, 28) and pistons (29) which can move to and fro in the former and the ends of which which...  
WO/2007/140096
A thermo-magnetic actuator includes a chamber within a housing; a working fluid changing phase upon heating and in the chamber; an electrical heater for heating the working fluid; a piston rod slidable between a retracted position, retra...  
WO/2007/140096
A thermo-magnetic actuator includes a chamber within a housing; a working fluid changing phase upon heating and in the chamber; an electrical heater for heating the working fluid; a piston rod slidable between a retracted position, retra...  
WO/2007/129403
Provided is a rotary type fluid machine, in which an annular actuator chamber (5) is constituted to include an annular wall portion (3a) on one side of a rotor (3) in the axial direction of a rotating shaft (4), and an annular groove (20...  
WO/2007/122643
A radial cylinder hydraulic motor having continuously variable displacement capabilities comprises: oscillating hydraulic cylinders (1) which are driven to oscillate through an eccentric crankpin (2) formed on the motor shaft (3) and car...  
WO/2007/122644
A radial cylinder hydraulic motor comprises: oscillating hydraulic cylinders (1) driven to oscillate by means of an eccentric crankpin (2) formed on the motor shaft (3), the oscillating cylinder liners (4) being provided with trunnions (...  
WO/2007/117288
An internal-combustion engine comprises an engine housing having a first wall delimiting a first combustion chamber, a first piston also delimiting said first combustion chamber and with a first piston head, a first crankshaft, a second ...  
WO/2007/117146
Piston engine, with a cylinder housing (11) with at least two cylinders (12, 13) each containing a piston (17, 18) with a piston rod (19, 20) which is linked to a rocker member (23). The rocker member is integrated with a crank mechanism...  
WO/2007/115828
A hydraulic motor (1) with axial pistons, comprising a casing (2) for containing a motor shaft (4) and a plurality of pistons (5) which are substantially parallel to the motor shaft and act on a swash plate (6) which is mounted around th...  
WO/2007/113443
The invention concerns a piston comprising a body (10) having a guiding and sealing surface (12), a base (14) and a top (16) which has a cradle-shaped recess (18). The base (14) has a another cradle-shaped recess (22), of concavity oppos...  
WO/2007/113449
The invention concerns a piston comprising a body (10) having a guiding and sealing surface (12), a base (14) and a top (16) which has a cradle-shaped recess (18) wherein a bearing bushing (20) is maintained by stop surfaces (19A', 19B')...  
WO/2007/104496
Disclosed is a swash plate-type hydrostatic piston engine, in which a drive unit (10) and a swash plate (17) are accommodated in a pot-shaped housing (1b). The inventive pot-shaped housing (1b) is embodied so as to be able to accommodate...  
WO/2007/106090
A compressor includes a slide valve (24) having a passage that can be in fluid communication with a discharge plenum (22) and a suction plenum (20). The slide valve (24) position may be axially adjusted to control an amount of refrigeran...  
WO/2007/101153
A variable-volume pump comprises one or more reciprocating pistons within respective reciprocating cylinders. The phase relationship between the reciprocating piston(s) and the reciprocating cylinder(s) determines the volumetric output o...  
WO/2007/101153
A variable-volume pump comprises one or more reciprocating pistons within respective reciprocating cylinders. The phase relationship between the reciprocating piston(s) and the reciprocating cylinder(s) determines the volumetric output o...  
WO/2007/095773
The sealing system for oscillating-piston engines, comprising at least two oscillating pistons (15) which revolve together in a spherical housing (24) about an axis (45) of revolution provided in the housing centre and which each have tw...  

Matches 201 - 250 out of 2,276