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Matches 1 - 50 out of 1,448

Document Document Title
WO/2023/201451A1
A hydraulic continuously variable transmission, which is applied to the fields of mechanical devices, vehicles and the like, and realizes stepless speed changing. The hydraulic continuously variable transmission consists of two annular h...  
WO/2023/165929A1
The present invention relates to a power transmission device for continuous transmission of power comprising a pipe (12) which is filled with a gas (14) and which comprises, at the first end of the pipe, a first cylinder (7) in fluid con...  
WO/2023/165930A1
The present invention relates to a power transmission device for continuous transmission of power comprising a pipe (12) which is filled with a liquid fluid (14) and which comprises, at the first end of the pipe, a first cylinder (7) in ...  
WO/2023/135435A1
The invention refers to a self-adjusting gyroscopic hydrostatic system of a linear torque converter for power transmission with a centrifugal mechanism of type -A1- with a sliding arm to change the angle of the gyroscopic axis (after bot...  
WO/2022/115904A9
Systems and apparatuses are disclosed that include a plurality of hydraulic vaned devices arranged in-line with one another such as along a drive line of a vehicle. Various system operation modes achieved by such devices in the in-line a...  
WO/2023/069552A2
A hydraulic circuit is disclosed which includes one or more i) linear; or ii) rotary hydraulic actuator, wherein total number of cylinder chambers is N, M pressure rails, a valve arrangement, including M hydraulic rail ports each coupled...  
WO/2023/038204A1
Provided is a transmission of which mountability onto a vehicle can be optimized by improving the arrangement position of a motor-driven oil pump in a transmission. The transmission according to an embodiment of the present invention com...  
WO/2023/006758A1
A hydraulic transmission (1) is described comprising a housing (24, 27, 28, 30), an output shaft (17), a first hydraulic machine (6) comprising a main shaft (2) having an input section (3), a second hydraulic machine (18), and a speed/to...  
WO/2022/137815A1
This harvester comprises: a reaping unit which is provided in a front lower section of a machine body and reaps planted crops; a conveyance device 6 which conveys the crops reaped at the reaping unit toward the rear upper side of the mac...  
WO/2022/101476A1
The present invention concerns a hydrostatic transmission (1) and a method to control the characteristics of a hydrostatic transmission (1) having an engine (2), a first and second hydraulic unit (4, 5) and a drive unit (3) which are con...  
WO/2022/020823A1
A wave cam drive system for a liquid pump sprayer that provides for improved pumping performance and a reduction in weight and size for a comparable liquid pump. The wave cam drive system includes a cam coupled to a drive shaft of an ele...  
WO/2021/229150A1
A pressure medium cylinder (1) for moving a toothed bar (3), comprising a toothed bar (3) on at least one side of which is formed a toothing (4). Inside the toothed bar (3), a cavity (6, 6a, 6b) is formed, extending to at least one end (...  
WO/2020/250790A1
This HST is provided with a main plate and a sub-plate which, by means of mutually opposing inner surfaces, hold a center section, a pump-side swash plate holder, and a motor-side swash plate holder. When viewed along the direction in wh...  
WO/2020/121003A2
Additional hydraulic drive with variable displacement invention enables a front-wheel drive car to be converted into a four-wheel drive vehicle, if necessary, at speeds below 60 km/h. An added benefit is that this extra drive can be a hy...  
WO/2019/242370A1
A continuously variable transmission, comprising a pump and a motor. The pump is a fixed displacement pump (1) or a variable displacement pump (5); the motor is a fixed displacement motor or a variable displacement motor (2), and at leas...  
WO/2019/193227A1
The purpose of the invention is to save fuel, which involves a significant reduction of polluting gases for exerting a force that can move a vehicle, by reducing the revolutions of the main motor or engine. For this purpose, the inventio...  
WO/2019/163357A1
A second element fixing clutch is switched between a released state and an engaged state. In the released state, the second element fixing clutch releases a second element of a planetary gear mechanism so as to be capable of rotating. In...  
WO/2019/113147A1
A hydraulic fracturing system for fracturing a subterranean formation is described according to various embodiments. In an embodiment, the system can include a multi-plunger hydraulic fracturing pump (300) fluidly connected to a well ass...  
WO/2019/094566A1
A system and method configured to direct the braking energy from a high-pressure port at the motor side of a hydraulic circuit to emergency steering, braking, accumulator(s) charging, and/or various work functions. The system and method ...  
WO/2018/232544A1
The invention relates to an oleohydraulic steam engine, which is an external combustion engine, in which the engine shaft rotates by means of the continuous flow of hydraulic oil passing through the engine. This continuous flow is obtain...  
WO/2018/226107A1
The invention relates to a machine that amplifies the drive torque of a moving shaft, which is formed by at least one pair of identical units facing a central shaft, each unit being formed by at least one mechanical actuator (cam), a hyd...  
WO/2018/218379A1
The present invention relates to a power-transmission and/or variable-speed drive (CVHT) device or apparatus, the field of application being the mechanical area of industry, the purpose of the device or apparatus being to transmit power ...  
WO/2018/205015A1
A hydrostatic drive system comprises a housing, two hydrostatic radial piston machines within the housing and fluidly coupled to each other, and an intermediate control plate element common to each of the two hydrostatic radial piston ma...  
WO/2018/112608A1
A hydrostatic drive system is disclosed which allows for simpler and more robust control of hydraulic vibration. The system comprises first and second hydraulic drive units and a variable damping device. At least the first hydraulic driv...  
WO/2018/098540A1
The present invention relates to a hydrodynamic continuously variable transmission comprising at least one linear concentric variable displacement pump/motor system comprising two main rotors, each having a central cylindrical hole for r...  
WO/2018/088927A1
A hydromechanical gearbox comprises a housing, shafts having gears secured thereto, bearings, friction clutches, and a hydraulic control system. Drive takes place by the supply of a hydraulic stream in channels inside friction shafts. An...  
WO/2018/081651A1
A hydraulic propulsion system converts heat or thermal energy into hydraulic energy, and such hydraulic energy into mechanical work. The hydraulic propulsion system includes a thermal unit, a hydraulic cylinder with pistons and springs m...  
WO/2018/042212A1
The invention is referred to a new type gearing system where the gears are involved between them with an angled formation inclined dentures (1). The gears are found inside a housing (4) while from a hole (2) in their center a transmissio...  
WO/2017/184313A1
A powertrain system (20) in a machine (10) includes a transmission (26), and a transmission drive mechanism (40) coupled between the transmission (26) and an engine (22). The transmission drive mechanism (40) includes a split path archit...  
WO/2017/098097A1
This four-wheel drive (14, 16, 24 and 26) motor vehicle (2) with hybrid propulsion comprises a first rotary power source (34) located at a first longitudinal end (6) and mechanically linked to a first differential (22), a second rotary p...  
WO/2017/088045A1
A load cancelling hydrostatic system is disclosed comprising at least two hydrostatic modules coupled in parallel. Each hydrostatic module comprises input and output hydraulic piston drive units, each of which is coupled to its respectiv...  
WO/2017/091099A1
A hydraulic drive system comprises a hydraulic rotary vane pump and a hydraulic motor in a single housing, and a distributing disk. The rotor of the pump has a drum with a stator mounted therein via a plain bearing, said stator having a ...  
WO/2017/070539A1
Systems, methods and devices are described providing a selective hydraulic or electrically powered prime mover that is a (bi-directional power unit) PU system, including movement within a device or system used to compress and/or expand a...  
WO/2017/065118A1
Hydraulic servo mechanisms 205, 208 for actuating hydraulic continuously variable transmissions 64, 70 are arranged within a continuously variable transmission case 323 so as to be separated to either side of the hydraulic continuously v...  
WO/2017/039981A1
The torque converter (10) includes an elongate housing (12) having a main section (12a) and a collar section (12b). A piston assembly (20) is reciprocable inside the main section (12a). A plurality of elongate helical bolts (22) with out...  
WO/2016/190026A1
This thrust bearing for a hydraulic continuously variable transmission is a thrust bearing incorporated in a hydraulic continuously variable transmission (30) and is provided with: an inner race (12) that contacts pistons (35) in a pisto...  
WO/2016/154395A1
Valve and/or port plates incorporating or formed entirely of ceramic can each be provided with a reinforcing band. The band, which can optionally be metal, can be placed around the plate to provide additional strength to the plate, there...  
WO/2016/140059A1
This micro-traction drive unit has an inner ring element, an outer ring element, a plurality of rolling elements, a holding device, a micro-traction drive case, and a power transmission shaft positioned on the same axis as the inner ring...  
WO/2016/137604A1
High surge currents associated with heavy braking and rapid acceleration of electric and hybrid electric vehicles result in reduced battery life and excessive heating of motors, generators and electronics. These can be reduced in two way...  
WO/2016/132051A1
The invention relates to a phase shifter (300) of a valve for a hydraulic engine/pump, wherein said phase shifter is provided for a hydraulic engine/pump (1) that includes an engine/pump frame (2) and an engine/pump central rotor (3) to ...  
WO/2016/131427A1
Disclosed is a hydraulic pressure energy-saving device, comprising: an oil storage tank (10), a pressure oil pressure vessel (11), a first hydraulic pump (3), a second hydraulic pump (4) and at least one hydraulic motor (6). The first hy...  
WO/2016/123786A1
Disclosed is a hydraulic continuously variable transmission, comprising a piston 1, a gear control plate 2, a driving wheel 3 and a hydraulic cavity 4, wherein an outlet 6 and an inlet 7 are provided on the hydraulic cavity, the outlet a...  
WO/2016/116809A1
Various vehicle systems capable of different operation modes are disclosed. According to one example, the system can include at least one input shaft, at least one output shaft, a plurality of hydraulic devices, and one or more accessori...  
WO/2016/112955A1
The invention relates to a hydraulic torque converter having a housing (G) in which two vane cell stator/rotor sets (SR1, SR2) are arranged one behind the other. The two sets are hydraulically connected together. The rotors (6, 6') are c...  
WO/2016/076716A1
A hydraulic transmission, comprising a pair of rings (2), one ring of the pair being arranged to surround the other, and a first ring of pair being disposed for eccentric revolution about a center axis of the second ring. The first and s...  
WO/2015/116324A1
A vehicle driveline having a torque transfer device and a fluid circuit for operating the torque transfer device. The fluid circuit has a motor, a pump driven by the motor, an actuator, and a pair of valves. The valves are arranged in th...  
WO/2015/111042A1
The disclosure is directed to a transmission, and more particularly to a semi-Continually Variable Transmission (sCVT), a semi-Continuous, Variable Displacement Motor, a semi-Continuously Reciprocating Multiplex Pump (sCVDP) and an infin...  
WO/2015/082116A1
The invention relates to a hydrostatic drive (1) comprising at least one hydrostat (3, 4) which includes an output connected to a high-pressure region (14) that comprises a high-pressure accumulator (8). The hydrostatic drive (1) further...  
WO/2015/034499A1
A closed loop hydrostatic transmission for a surface compactor is disclosed. The hydrostatic transmission reduces engine overspeed by reducing pressure to the pump during an abrupt stop and reduces stopping distance of the vehicle by inc...  
WO/2015/008204A1
A hydrostatic variator having a common yoke design and two or more bent axis piston drive units is disclosed in which the rotating group of a drive unit is arranged to be movable relative to the yoke to alter the angle between its drive ...  

Matches 1 - 50 out of 1,448