About 136 results
https://drivepatents.com/patents/944706 · 13 Apr 2016
A control unit in a work vehicle executes an automatic downshift for shifting the speed range of a transmission to a speed range at a lower speed than the current speed range. The control unit determines the execution of the automatic downshift on the basi...
https://drivepatents.com/patents/944705 · 13 Apr 2016
A power transmission device has an input shaft, an output shaft, a gear mechanism, and an electric motor. The gear mechanism has a planetary gear mechanism and transmits the rotation of the input shaft to the output shaft. The electric motor is connected t...
https://drivepatents.com/patents/946133 · 9 Mar 2016
Provided are a work vehicle capable of reproducing the same operation feeling as that of a torque converter-type work vehicle, and a work vehicle control method. A control unit includes a work implement requirement determination unit, a transmission requir...
https://drivepatents.com/patents/946134 · 9 Mar 2016
A work vehicle is equipped with an engine, a hydraulic pump, a work implement, a travel device, an accelerator operating member, a work implement operating member, and a control unit. The hydraulic pump is driven by the engine. The work implement is driven...
https://drivepatents.com/patents/952983 · 2 Mar 2016
A wheel loader includes: a mechanical drive unit; a mechanical drive clutch (43, 47) controlling transmission/cutoff of a power in the mechanical drive unit; an HST pump (22) driven by an engine; a hydraulic motor (23, 24) driven by a hydraulic oil deliver...
https://drivepatents.com/patents/952939 · 2 Mar 2016
A wheel loader (1) includes: a mechanical drive unit (21); an HST pump (22) that feeds a hydraulic oil for travelling; an accessory hydraulic pump (28) that feeds a hydraulic oil for a bucket (3); first and second hydraulic motors (23, 24) driven by the hy...
https://drivepatents.com/patents/952880 · 2 Mar 2016
A controller includes a neutral control determination unit, a forward-reverse clutch control unit, and a commanded torque setting unit. The neutral control determination unit executes quasi-neutral control when a quasi-neutral control determination conditi...
https://drivepatents.com/patents/946308 · 10 Feb 2016
A transmission requirement setting unit sets a required traction force in a work vehicle on the basis of an accelerator operation amount. A work implement requirement setting unit sets a required flow rate on the basis of a work implement operation amount....
https://drivepatents.com/patents/946581 · 20 Jan 2016
A power transmission includes first and second clutches for switching a transmission path for a driving force. A work vehicle includes a clutch controlling unit. As long as a speed ratio parameter transitions within a predetermined first range including a ...
https://drivepatents.com/patents/946580 · 20 Jan 2016
A power transmission includes first and second clutches for switching a transmission path for a driving force. A work vehicle includes a clutch controlling unit and an engine controlling unit. The clutch controlling unit is configured to determine which of...