About 136 results
https://drivepatents.com/patents/991609 · 24 Apr 2013
An engine control device detects the state of work of a working vehicle such as a construction machine or the like, and controls the power output capacity of an engine automatically. A determination is made as to whether excavation or uphill traveling is b...
https://drivepatents.com/patents/991764 · 17 Apr 2013
A vehicle speed estimator includes a unit (801) that selects a minimum rotation speed among rotation speeds of wheels detected by a rotation speed detector and calculates a reference wheel speed of a construction vehicle at every predetermined time. The un...
https://drivepatents.com/patents/992238 · 27 Mar 2013
A construction machine includes: a negative parking brake (4) whose braking state is released by supply of hydraulic fluid; and a parking brake hydraulic circuit (5) that is branched from a hydraulic fluid supplying circuit (6) supplying the hydraulic flui...
https://drivepatents.com/patents/985701 · 13 Mar 2013
An objective of the present invention is to provide a work vehicle and a work vehicle control method that can inhibit a reduction in the ease of operation and improve the effect of reduced fuel consumption. The work vehicle comprises a controller (10). The...
https://drivepatents.com/patents/993393 · 30 Jan 2013
An objective of the present invention is to inhibit an increase in vehicle speed immediately after a lockup clutch has been switched from a non-connected state to a connected state, and to improve fuel economy. In a work vehicle, a controller controls an e...
https://drivepatents.com/patents/994130 · 9 Jan 2013
An objective of the present invention is to provide a work vehicle and a work vehicle control method that can improve fuel consumption and suppress any decrease in ease of operation. In the work vehicle, the controller compares a predetermined threshold wi...
https://drivepatents.com/patents/994411 · 2 Jan 2013
A wheel loader includes: a cooling chamber (7) in which a cooling fan and a cooling device are housed; and a grill (12) through which a cooling air obtained by the cooling fan passes. The grill (12) includes a frame (16) provided by framing four side compo...
https://drivepatents.com/patents/994742 · 26 Dec 2012
An objective of the present invention is to minimize a reduction in work efficiency and improve fuel consumption in a work vehicle. In the work vehicle of the present embodiment, a controller switches a lockup clutch between a connected state and a non-con...
https://drivepatents.com/patents/997115 · 17 Oct 2012
In a cab for construction machine, a support structure for a front console is provided with a first fixed member for supporting a cover member, the first fixed member fixed to a front plate at two locations directly below both ends of a front window; and a...
https://drivepatents.com/patents/1003564 · 11 Apr 2012
An operator's cab for a work vehicle is disclosed, which is capable of providing sound insulation properties without spoiling ease of maintenance while ensuring the thermal insulation properties of an air-conditioning duct. The operator's cab 8 is provided...