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WO/2001/090600A1 |
A multi-speed transmission assembly including a gear box (58) portion having first (30B) and second (40B) inputs and an output (12); the first input (30B) is connectable to a pump portion (10A) of the torque converter (10), whereas the s...
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WO/2001/090601A1 |
The invention relates to a general-purpose mechanical holonomic element for a gear with variable changing of the rotation moment and can be used for the machine tool industry, mechanical engineering and haulage. In the first variant, the...
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WO/2001/084017A1 |
The invention relates to an automatic transmission consisting of two torque converters, one of which is a mechanical torque converter while the other one is a hydraulic torque converter. Said converters interact with one another and are ...
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WO/2001/059326A1 |
The objective of the invention is to develop a gearbox enabling the torque produced by the engine to be transmitted to the wheels at a required speed within an optimum speed range and inversely, to adapt the speed of the engine (15) auto...
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WO/2001/053722A1 |
The invention relates to a power-splitting gearbox, comprising a hydraulic power branch (2) and a mechanical power branch (3). The hydraulic power branch (2) supplies the operating gear for the mechanical power branch (3) and components ...
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WO/2001/028800A1 |
An integrated hydromechanical axle driving device (2), comprising a pair of drive axles (40L, 40R), a differential mechanism (5) differentially connecting both drive axles to each other, a hydraulic continuously variable transmission mec...
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WO/2001/023776A1 |
This utility model utilizing torque convertor is a Continuously Variable Transmission preventing abrupt decreasing or disconnection of engine power output while shifting is happening. There are two ways of transmitting of engine power ou...
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WO/2001/019637A1 |
The invention relates to a gearbox unit, especially for a motor vehicle. The unit comprises a housing with a drive shaft, at least one driven shaft (1) and a continuously variable transmission (3) with an arrangement for changing the tra...
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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...
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WO/2001/006150A1 |
In order to damp the vibrations in the hydraulic branch of a power distribution transmission, the hydraulic pump (1) and the hydraulic motor (3) which are interconnected are maintained in a rotationally fixed, yet elastic position in the...
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WO/2001/004515A1 |
The invention concerns a power-splitting transmission consisting of a hydraulic power branch (7) and a mechanical power branch. In said transmission, the leakages in the hydraulic power path (7) and the actuating devices in the mechanica...
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WO/2000/071887A1 |
The invention relates to a drive system for a motor vehicle, comprising a starter and generator unit (1) that is arranged in a drive train with a drive shaft (6). Said starter and generator unit (1) has an electric machine (8, 9), which ...
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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...
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WO/2000/071377A1 |
A power branching transmission which is especially used for tractors, wheel and chain driven working machines and commercial vehicles. In order to provide an advantageous transmission, said transmission possesses a mechanical branch (1),...
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WO/2000/055020A1 |
The invention relates to a starting unit (30) for use in starting systems of motor vehicles. The inventive starting unit (30) is equipped with a fluid clutch (2) and with a torque converter lockup clutch (3). The torque converter lockup ...
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WO/2000/049312A1 |
The invention relates to a hydrodynamic-mechanical multi-speed compound transmission comprising a transmission input shaft (E) and an output. Said transmission contains a hydrodynamic transmission part (2) having a hydrodynamic speed/tor...
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WO/2000/043696A1 |
The invention relates to a variable-ratio marine gear step (2) which can be installed between a drive motor and an output element (7) of a ship propulsion system. According to the invention the marine gear step has a first, rigidly trans...
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WO/2000/043695A2 |
The invention relates to a hydrostatic-mechanical power split transmission, especially for use in tractors. In order to economically utilize the provided installation space in tractors, the invention provides that the hydrostatic transmi...
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WO/2000/032955A1 |
A parallel hydromechanical continuously variable transmission has a housing (107) that holds a make-up pump (52), and has internal cavities for holding operating assemblies of the transmission, including an axial piston pump (50) and an ...
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WO/2000/032964A1 |
The invention relates to a method for mounting a transmission unit with the following characteristics: a transmission housing (11) which has an essentially cylindrical inside space (41) for receiving individual transmission elements; at ...
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WO/2000/025041A1 |
A hydraulic and mechanical composite transmission (40), wherein a mechanical speed change mechanism (30) having a differential part (7) comprising a group of planetary gears and a hydraulic continuously variable transmission mechanism (2...
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WO/2000/019127A1 |
A transmission for speed changing and steering of a vehicle includes a first hydrostatic pump (52) and motor (53), a first differential (24') for speed changing, a second hydrostatic pump (71) and motor (72), and a second differential (2...
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WO/2000/003151A1 |
The invention relates to a multi-disk clutch which is connected downstream of a power split transmission. Said multi-disk clutch consists of a double clutch whose individual clutch mechanisms rotate in opposite directions, the speed-depe...
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WO/2000/003159A2 |
The invention relates to a method and a device for actuating a motor vehicle clutch device (4). A control device (12) automatically influences the frictional power of said clutch device (4) in accordance with predetermined criteria (19) ...
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WO/2000/003160A1 |
The invention relates to a method and a device for controlling a motor vehicle drive train. The direction of travel is reversed by transmitting the driving torque from a clutch (K¿V?) for one direction of travel to a clutch (K¿R?) for ...
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WO/2000/001518A1 |
The invention relates to a hydrostatic mechanical transmission for driving a mixing drum. Said gear consists of a hydraulic motor (1), a transmission housing (2), with or without several planet pinions (16), and a driving flange (9) whic...
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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...
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WO/1999/058883A1 |
The present invention provides an hydraulic control circuit for a continuously-variable-ratio transmission. An hydraulic control circuit for a CVT transmission includes a first hydraulic pressure control valve V¿1? for controlling the p...
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WO1999036285A9 |
A mechanical power transmission system for an engine or motor driven vehicle includes an input transmission (23, 34, 41), a compound planetary transmission (27, 42, 53, 69), and an output transmission (30, 33, 48, 50, 64). The compound p...
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WO/1999/051894A1 |
A hydromechanical transmission (2) receives split power inputs from a vehicle engine (6), one split input driving a hydrostatic power unit (4) and the other split input driving a mechanical power unit (8). The infinitely variable hydrost...
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WO/1999/050575A1 |
The invention relates to a method for the power shiftable change-over of a hydrostatic vehicle drive of a mobile construction machine which comprises at least one hydrostatic variable capacity pump, a hydrostatic drive motor and a two-st...
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WO/1999/048353A1 |
Known feed devices e.g. of forage harvesters, are provided with either a stepless hydraulic drive mechanism or a gear system with several steps, for modifying the conveying speed of the delivery device and therefore the cutting length of...
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WO/1999/045295A1 |
The invention relates to a hydrodynamic mechanical multispeed compound gearbox with a gear box input shaft (E), an output (A1, A2), a hydrodynamic gearbox part (2) and a mechanical gearbox part (4) which is arranged after said hydrodynam...
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WO/1999/044871A1 |
The invention relates to a hydrodynamic mechanical compound transmission comprising a transmission input shaft (E), a transmission output shaft (A), a hydrodynamic transmission part (2) and a mechanical transmission part (4). Said mechan...
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WO/1999/045296A1 |
The invention relates to a hydrodynamic-mechanical multi-speed compound transmission (i) with at least four speeds. Said transmission comprises a transmission input shaft (E) and a transmission output shaft (A) as well as a hydrodynamic ...
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WO/1999/030061A1 |
The invention relates to a travelling mechanism, comprising a driving motor (24) which drives a feed pump (25) and a hydrostatic variable displacement pump (2), a zero fluctuating hydrostatic variable displacement motor (1) which forms a...
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WO/1999/024738A1 |
A hydromechanical transmission has an operating assembly including an input hydrostatic unit (50) and an output hydrostatic unit (60), each having a rotating cylinder (180, 182) and piston element (210, 212) and a non-rotating yoke eleme...
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WO/1999/015813A2 |
The invention relates to a continuously variable mechanical or hydrostatic transmission with power branching, wherein the input power is divided up into one continuously variable power branch (4C') and one non-continuously variable power...
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WO/1999/013245A1 |
The invention relates to a hydrostatic mechanical torque divider transmission comprised of an adjustable hydrostatic unit (5), a five shaft summator gear train (9) with first, second and third output shafts and a multiplying gear. In ord...
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WO/1998/058195A1 |
A variable ratio transmission (10) includes a differential gear assembly (12) coupled to three separate shafts. One of the shafts (14) is coupled to a prime mover and operates as an input shaft to the differential gear assembly (12). Ano...
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WO/1998/049471A1 |
A hydro-mechanical transmission (14) for an agricultural work vehicle is provided including a motor (26), a clutch (30) and a differential assembly (16). The clutch (30) which is rotatably supported by a housing includes first and second...
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WO/1998/049470A1 |
A multi-range, synchronous shifting, hydromechanical transmission for application in an automotive drivetrain. The transmission receives split power inputs from the engine; one input being geared down (28) to a lower speed for driving a ...
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WO/1998/046912A1 |
The invention relates to a power transmission system that includes a rotatable and drivable first shaft (1a) adapted for co-action with a motor (1c) included in a planetary gear arrangement (P), and further includes a second shaft (8) th...
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WO/1998/031954A1 |
The invention concerns a continuously variable transmission comprising: a mechanical power branch and an electronically controlled hydraulic power branch which can be adjusted by means of a swash plate (7); a summarizing transmission; an...
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WO/1998/025053A1 |
The invention relates to a transmission unit (1) for drive units used to achieve at least two operational states: a first operational state for the transmission of power with at least two gear steps, and a second operational state for br...
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WO/1998/025054A1 |
The invention relates to a method for improving the shift quality during gear shifting in a gearbox unit (1), containing at least one gear branch for power transfer via a hydrodynamic clutch (2) which can be coupled in series with a mech...
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WO/1998/022733A1 |
The present invention relates to a continuously variable transmission contructed in such a way that it can speed-change the power inputted to an input shaft according to the load applied to an output shaft and transmit the power to the o...
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WO/1997/044596A1 |
A hydromechanical transmission (2) receives split power inputs from a vehicle engine (6), one split input driving a hydrostatic power unit (4) and the other split input driving a mechanical power input (26). The infinitely variable hydro...
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WO/1997/041371A1 |
The invention relates to a hydrostatic and mechanical torque division gearing which comprises an adjustable hydrostatic unit (4), a summation planetary gear (10) with two input shafts (6, 8) and at least two output shafts, and a multi-st...
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WO/1997/041370A1 |
The invention relates to a process for range switching of a hydrostatic and mechanical torque division gearing. The command is first given to close the coupling for the next range, the load is subsequently transferred to said coupling an...
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