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Patent Searching and Data


Matches 101 - 150 out of 1,986

Document Document Title
WO/2006/045158A1
A hydromechanical variable speed transmission (1) including outer and inner differential gear trains each having a carrier carrying planet pinions meshing with two coaxial side gears, the side gears of the outer differential gear train b...  
WO/2006/038337A1
[PROBLEMS] To provide a working vehicle arranged so that right and left machine frames can be reinforced at a position near an engine by upper and lower connecting members and so that there is no need to use cylindrical members or the li...  
WO/2005/100070A1
A hydraulically operated automobile allowing the fine adjustment of a drive force and allowed to run smoothly and comfortably, comprising a drive means (40) having a hydraulic motor (45) driving a wheel (31) and a rotational speed contro...  
WO/2005/093250A1
Smaller and lighter hydraulic pump/motors provide remarkably improved volumetric efficiency with pistons having body portions substantially as long as the axial length of the respective cylinders in which they reciprocate. A plurality of...  
WO/2005/065978A1
A hydrostatic drive system comprising at least one hydropump (100) and at least two hydromotors (104,109). The hydropump (100) divides its total hydraulic fluid flow into at least two partial hydraulic fluid flows which are respectively ...  
WO/2005/061261A1
A vehicle (1) utilizes a hydrostatic transmission arrangement (10, 11, 12, 13). This transmits drive force (F) from at least one first wheel (2) to at least one second wheel (3). The arrangement comprises a hydrostatic pump, which can be...  
WO2005028917A3
The invention relates to transport means, in particular to vehicles provided with a fluid power drive. The inventive transmission comprises a non-adjustable flat hydraulic pump which is cinematically connected to the engine of the transp...  
WO/2005/043009A1
The device comprises a main hydraulic pump (52), two main conduits (50,54), a supercharging pump (56), a first hydraulic motor (10,20) consisting of two elementary motors (11,12,21,22) used to drive a first displacement element (1,2) and...  
WO/2005/028917A2
The invention relates to transport means, in particular to vehicles provided with a fluid power drive. The inventive transmission comprises a non-adjustable flat hydraulic pump which is cinematically connected to the engine of the transp...  
WO/2005/026582A1
A hydraulic device comprising an input shaft (2) and an output shaft, first and second plungers (8, 10) reciprocating in the axial direction, first and second spool valves (9, 11) similarly reciprocating in the axial direction, a cylinde...  
WO/2005/002896A1
A wheel drive section structure, wherein a housing (12) installed under a vehicle body and storing a front wheel drive shaft system (11) is formed in a cylindrical shape, hydraulic motors (14) for front wheel driving are disposed at both...  
WO/2005/003598A1
The system for converting a linear motion into a rotational motion is characterized in that it comprises two hydraulic converters, integrated with a common compensating reservoir (1) filled with a working liquid, which are connected to a...  
WO/2004/104448A1
A hydrostatic stepless speed change device (1) constructed in combination of an axial piston hydraulic pump (30) and a hydraulic motor (40). A pump-side plunger block (31) and a motor-side plunger block (41) are opposed to each other wit...  
WO/2004/083684A1
The present invention relates to a control device for hydraulic differentials in vehicles. The object of the invention is to provide a control device for a hydraulic differential, which eliminates the necessity of wheel base devices for ...  
WO/2004/062956A1
An axle drive device (2) is suspended so as to be swingable about the center axis for swing, or the axis in a forward-backward direction of a motor-vehicle frame. The device is constructed from a hydraulic drive unit (20) and a left and ...  
WO/2003/106864A1
A hydraulic stepless speed changer comprises a first hydraulic device and a second hydraulic device. In a cylinder block, there are formed a first and a second plunger hole for respectively accommodating the first and the second plunger,...  
WO/2003/106863A1
A hydraulic stepless speed changer comprises a first hydraulic unit having a first plunger and a swash plate with which the first plunger is in contact, and a second hydraulic unit having a second plunger and a swash plate with which the...  
WO/2003/095845A1
Hydraulic systems (1) generally comprise expansion hose lines and other damping elements (21, 22) which are provided with one or several serially connected hose chambers according to the generated pressure pulsation. The damping measures...  
WO/2003/062673A1
The present invention relates to a transmission system suitable to pedal-driven vehicle, motor vehicle, propeller-driven watercraft and propeller-driven aircraft. The transmission system is coupled with power source; it includes air pump...  
WO/2003/006849A1
In a hydraulic continuously variable transmission, an oil path connecting a valve hole, a first and a second plunger hole is formed in a cylinder block. The oil path has a confluent portion for converging the valve hole with the first an...  
WO/2003/002894A1
A hydraulic stepless speed−change device comprising a first variable capacity type hydraulic device provided with a first plunger and a plunger abutment and adapted to actuate the first plunger by the abutment, and a second hydraulic d...  
WO/2002/070866A1
An expansion machine for converting thermal energy and pressure energy of working medium into mechanical energy comprising a section, e.g. an axial piston cylinder group, working with working medium introduced into a working chamber, and...  
WO/2002/066869A1
In the case where a power unit (U) integrally provided with an engine (13) and an HST (24) provides joint use of oil both as lubricating oil for the engine and as working fluid for the HST (24), the joint use oil is fed from the engine (...  
WO/2002/033238A1
A fluid power transfer device (20) includes a wobble plate assembly (26) having a wobble plate (58) that rolls against truncated cone portions (42) of a housing (22) and has an inner extremity 60) rotatably supported by an axially inclin...  
WO/2002/025142A1
Hydraulically driven apparatus where the rotation of a ground contact wheel (3) automatically rotates a second device requiring drive (5) via a circuit (15, 16) and hydraulic motors (4,6) attached to the wheel (3) and second device (5), ...  
WO/2002/006704A1
A hydraulic continuously variable transmission, wherein a first hydraulic device of variable displacement type operates first plungers by a plunger contact part, the output rotating part of a second hydraulic device performs a relative o...  
WO2001053725B1
Automatic transmission, comprising at least one primary hydraulic pump (1) arranged to be powered by a motor, said primary pump (1) being arranged to power a number of at least two secondary hydraulic pumps (21-2n) which are mechanically...  
WO2000071905A3
This invention concerns with transmissions specially those are used in the vehicles. A generic conception of performing three main functions that are splitting, controlling and combining of power is presented and representing a new trans...  
WO/2001/086173A1
An off-road machine (10) is provided with a hydraulic pump system (19) for operating drive motors (14A, 14B) for propelling the machine (10), as well as operating actuators (24, 27, 28) for machine functions. The hydraulic pump system us...  
WO/2001/059330A1
A torque conversion system (1) comprises a first reciprocating piston engine (2) including a first chamber (31), a first intake port and a first exhaust port; a second reciprocating piston engine (3) including a second chamber (34), a se...  
WO/2001/053725A1
Automatic transmission, comprising at least one primary hydraulic pump (1) arranged to be powered by a motor, said primary pump (1) being arranged to power a number of at least two secondary hydraulic pumps (2¿1?-2¿n?) which are mechan...  
WO2001005647A3
A drive system that is suitable for use in a bicycle includes a pair of pedals (9) that are mounted on a lever system (1, 2, 6) for substantially rectilinear reciprocating movement, and a hydraulic drive (10) connected to the pedals thro...  
WO/2001/040662A1
The invention relates to a machine building industry and can be used for both stationary and mobile power plants. A method for operating the power plant consists in a transfer of mechanical energy between a mechanism with an oscillating ...  
WO/2001/040683A1
Disclosed is a torque converter which is operated by fluid pressure. The torque converter comprises a rotary input section connected with an engine output shaft to receive power which is generated in an engine; and an output section disp...  
WO/2001/005647A2
A drive system that is suitable for use in a bicycle includes a pair of pedals (9) that are mounted on a lever system (1, 2, 6) for substantially rectilinear reciprocating movement, and a hydraulic drive (10) connected to the pedals thro...  
WO/2000/077426A1
The invention relates to a hydrostatic traveling mechanism (1) which comprises a hydraulic pump (4), a first hydraulic engine (8) that is linked with the hydraulic pump (4) via a hydraulic work circuit (2) and that drives a first drive t...  
WO/2000/071379A1
The invention relates to a hydrostatic travelling mechanism (4) that comprises a closed hydraulic circuit (6) in which a first hydraulic pump (4) with a first hydraulic engine (12) is linked with a flow pipe (7) and a return pipe (8). Sa...  
WO/2000/071905A2
This invention concerns with transmissions specially those are used in the vehicles. A generic conception of performing three main functions that are splitting, controlling and combining of power is presented and representing a new trans...  
WO/2000/028240A1
The present invention relates to axle and intermediate differential mechanisms applicable in vehicles. The inventive differential distributes the torque to the driven shafts automatically and in proportion to the loadings without mountin...  
WO/2000/006408A1
The invention relates to a hydrostatic drive (1) comprising a first hydraulic pump (2) and a second hydraulic pump (3), in addition to a first hydraulic motor (7) and a second hydraulic motor (12), said hydraulic pumps (7, 12) driving se...  
WO/1999/066230A1
The present invention relates to volumetric hydraulic transmissions which are capable of modifying the rotating momentum to be transmitted. This adjustable volumetric and hydraulic transmission comprises a cinematic chain which is formed...  
WO/1999/064264A1
A working vehicle having a working device on one longitudinal outer side of a vehicle body, comprising a transmission mechanism with simple structure and a pressure oil feeding device for the mechanism capable of shortening the overall l...  
WO/1999/061820A1
A power dividing device (21) for a vehicle transmission to provide two rotating outputs (27, 30) having variable relative speed of rotation from a single rotatable input (20). The device (21) includes a first rotational element (22) driv...  
WO/1999/024737A1
The present invention concerns a method for continuously changing speed ratios with a pressure coupling type of hydraulic device. The invention is based on the principle and the structure of a hydraulic or pneumatic pump, in which the ro...  
WO/1999/013222A1
A swash plate hydraulic device for use as a swash plate hydraulic pump and a hydraulic motor, comprising a plurality of block plates (4¿1?-4¿5?) divided at split planes orthogonal to a cylinder block axis (X) and brazed to one another ...  
WO/1998/049467A1
To control transmission ratio of a continuously variable hydrostatic transmission including an input shaft (14), an output shaft (16), a hydraulic pump unit (18) driven by the input shaft (14), a grounded hydraulic motor unit (20), and a...  
WO/1998/049466A1
An infinitely variable hydrostatic transmission includes an input shaft (12) connected to drive a hydraulic pump unit (24), a grounded hydraulic motor unit (26), and an output shaft (14). A swashplate assembly (36) is connected to impart...  
WO/1998/049468A1
In a continuously variable hydrostatic transmission including a hydraulic pump unit (18) driven by an input shaft (14), a grounded hydraulic motor unit (20), and an intermediate, wedge-shaped swashplate (22) for developing torque on an o...  
WO/1998/048200A1
The present invention relates to a controlled hydraulic transmission that may be used in force transmissions or vehicle transmissions as well as in cinematic systems requiring a constant change in the transmission ratio. This transmissio...  
WO/1998/040236A1
An axle driving apparatus consisting of a housing (1, 2) for compactly housing inner portions of axles (7), a hydrostatic transmission, and a transmitting mechanism for transmitting power to the axles from an output shaft (4) of the hydr...  

Matches 101 - 150 out of 1,986