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JP6802247B2 |
To provide a work vehicle capable of suppressing enlargement of a transmission configuration without impairing effectiveness to use a hydraulic static continuously variable transmission and a planetary gear transmission.A work vehicle co...
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JP6801063B1 |
To configure a work vehicle which suppresses an inconvenience that a vehicle body moves at a low speed when a hydraulic clutch is in a disengaged state without inviting a complicated configuration for suppressing rotation. A wet first cl...
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JP2020189532A |
To provide a transmission for a work vehicle capable of acquiring torque up effect of an axle operably driving a travel drive part by inputting rotational power to an HST input shaft through a speed boosting gear train from a driving sou...
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JP2020525724A |
In the present invention, an input unit (E) connected to a drive machine capable of operating at a constant rotation speed and at least one output unit (A) connected to a work machine (9) capable of operating at a variable rotation speed...
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JP2020518772A |
Fluid dynamic machines, especially hydrodynamic converters The present invention is a hydrodynamic machine, especially a hydrodynamic converter-with a working room fillable with a working medium, with at least one bladed pump wheel and b...
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JP6699353B2 |
To provide a transmission capable of reducing wear of a clutch, and capable of improving power transmission efficiency.A transmission 1 includes a hydraulic type power transmission device 60 at a second counter shaft 30 which is a power ...
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JP2020041655A |
To provide an HMT structure capable of outputting bidirectional rotational power at a forward side and a backward side and surely causing an output zero state to appear.In an HMT structure, first and second elements of a planetary gear m...
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JP2020507724A |
The present invention relates to a method of operating a power train that drives a work machine at a variable rotation speed. Furthermore, the present invention relates to the configuration of a power train. In this method, the drive mac...
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JP2020507041A |
Automobiles or other vehicles have various hydraulic components including hydraulic gearboxes, transmissions, clutches, and brake energy recovery systems. Such hydraulic components complement or replace the traditional mechanical compone...
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JP6659070B2 |
A continuously variable transmission (CVT) is provided, where the CVT has an input shaft (2) drivable by an engine, and an output shaft (4) connectable to a load. A variator (12) has an input side connected to the input shaft (2), and an...
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JP6645443B2 |
A launch control method for a continuously variable transmission (CVT) is provided, where the CVT comprises a hydro-mechanical variator (12), a summing transmission (34) connected to an output side of the variator (12), and a clutch (52)...
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JP2020015368A |
To provide an HMT structure which can output forward and reverse bidirectional rotational power, and can reliably produce a zero output state.In this HMT structure of the present invention, when a gear change control lever is positioned ...
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JP6635353B1 |
To perform a shift without unnecessary operation and a complicated structure at the time of shifting. In order to solve the above problems, the continuously variable transmission according to claim 1 is provided with a component in which...
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JP6628842B2 |
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JP6611678B2 |
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JP6584014B2 |
A hybrid driveline which may be operated in a hydrostatic drive mode and a direct drive mode and a method of operating a hybrid driveline in a hydrostatic drive mode and a direct drive mode is provided. The hybrid driveline comprises a p...
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JP6561758B2 |
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JP2019132287A |
To provide a simple HMT structure which can output output-rotation power having a rotational speed corresponding to manipulation while expanding the capability of the forward/reverse changeover of the output-rotation power and/or a varia...
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JP6551065B2 |
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JP2019113083A |
To improve a start performance in the case of forward movement and backward movement.A power transmission device 100 comprises a first path 1 and a fluid joint 4. The fluid joint 4 includes a first torque converter body 4a and a second t...
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JP6538681B2 |
A power transmission device includes a hydrodynamic converter. The blading of the pump wheel and/or turbine wheels includes at least one adjusting blade which can be actuated by an adjusting device, and/or at least one multi-element blad...
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JP6525834B2 |
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JP6524796B2 |
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JP6523946B2 |
The present invention provides a power transmission mechanism. The power transmission mechanism can improve the lowest terrain clearance, ensure the smoothness of the turning and ensure the straight when being assembled to an operation m...
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JP2019052040A |
To improve the operability of a crane.A hydraulic driving device for a crane includes an engine (1), a hydraulic pump (2), a hydraulic motor (3), a winch drum (13), a hydraulic pump motor (14), an accumulator (15), an operation device (7...
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JP2019049294A |
To provide a hydraulic mechanical continuously variable transmission capable of obtaining the function of an auxiliary brake while suppressing an increase in the size of a power transmission system.The hydraulic mechanical continuously v...
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JP2019049296A |
To provide a hydraulic mechanical continuously variable transmission capable of taking out the power of an engine from a PTO shaft while shifting gears into an arbitrary transmission gear ratio.The hydraulic mechanical continuously varia...
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JP2019049298A |
To provide a hydraulic mechanical continuously variable transmission capable of actualizing four-wheel driving in a simple system configuration.The hydraulic mechanical continuously variable transmission includes a differential mechanism...
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JP2019049290A |
To provide a shift control device capable of actualizing a quick gear change.The shift control device, which is used for a transmission including a hydraulic transmission unit connecting via a closed circuit one variable displacement pum...
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JP2019044862A |
To provide an HMT structure capable of easily outputting rotational power in both forward and backward directions and easily realizing an output zero state.An HMT structure comprises: an HST for outputting from motor shaft rotational pow...
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JP6483040B2 |
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JP6449233B2 |
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JP6444262B2 |
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JP6438368B2 |
A work vehicle includes: an engine (5) that is mounted on a traveling body (2); a straight-traveling system transmission path including a first stepless transmission device (17); a turning system transmission path including a second step...
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JP6429290B2 |
A hydrostatic driveline and method of operating a hydrostatic driveline is provided. The hydrostatic driveline comprises a power source, hydrostatic pump, a hydrostatic motor, a direct drive link, a first transmission portion, and a seco...
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JP6430812B2 |
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JP6396841B2 |
A transmission apparatus (D) that can avoid size-up of a starter through reduction of load torque required at the time of start-up of an engine, includes a traveling transmission device (D1) configured to transmit power outputted from an...
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JP6391490B2 |
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JP6355509B2 |
To provide a stepless speed variator capable of supplying a sufficient amount of lubricant to a planetary transmission part.A stepless speed variator has a planetary transmission part 50 including a sun gear 52 integrally rotated with a ...
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JP6355508B2 |
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JP6349887B2 |
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JP2018517110A |
The present invention relates to a hydrodynamic automatic transmission and to a vehicle using such a transmission. The claimed vehicle comprises a transmission and an automatic gearshift unit connected to a working fluid supply pump. The...
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JP6346065B2 |
In a work vehicle such as a tractor, a higher output of a transmission case including a hydraulic mechanical transmission is achieved with a high efficiency, light weight, and low cost of the hydraulic mechanical transmission guaranteed....
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JP6335601B2 |
A power split transmission includes a hydraulic power branch having two hydraulic machines arranged in a hydraulic circuit, at least one of which comprises an adjustable displacement. The transmission comprises a control device for contr...
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JP6328178B2 |
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JP2018053999A |
To improve a working efficiency of an assembly work and an output adjustment work for HMT.HMT structure of this invention comprises HST including a pump unit and a motor unit and a planetary unit including a planetary housing that can be...
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JP2018508001A |
The present invention includes a power source (2002), a hydrostatic pump (2004) that is drive-engaged with the power source (2002), a primary drive system shaft (2006) that is drive-engaged with the power source (2002), and the like. The...
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JP2018021656A |
To improve a work efficiency of HMT assembly work and an output adjustment work.An HMT structure of this invention comprises a planetary unit including a planet housing that can be attached to or detached from a predetermined fixing loca...
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JP6258593B2 |
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JP6226673B2 |
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