About 218 results
Showing the first 200 results.
https://drivepatents.com/patents/1005407 · 8 Feb 2012
[Problem] To recover regenerative energy with high efficiency and control the voltage of a battery or capacitor optimally. [Solution] A construction machine or industrial vehicle having a power supply system which includes a chargeable and dischargeable ca...
https://drivepatents.com/patents/1006143 · 18 Jan 2012
Disclosed is a hydraulic drive system for a working machine, which enables to conduct forced regeneration continuously for a sufficient time. Based on an input of a lock detection signal S1 from a gate lock detection switch 40, a controller 50 detects that...
https://drivepatents.com/patents/1007211 · 14 Dec 2011
An engine control device for work vehicle includes: a rotation speed control device that controls a rotation speed of an engine according to an operation amount of an accelerator pedal; a travel drive device that transmits a rotation of the engine to wheel...
https://drivepatents.com/patents/1008031 · 9 Nov 2011
An engine control device for a work vehicle includes: a hydraulic pump 2 driven by an engine 1; a hydraulic actuator 5 driven with pressure oil supplied from the hydraulic pump 2; a drive disallowing means 3 for disallowing drive of the hydraulic actuator ...
https://drivepatents.com/patents/1007898 · 9 Nov 2011
The present invention provides a prime mover revolution speed control system for a hydraulic construction machine is capable of identifying an excavation state with increased certainty to improve operational performance during excavation work and enhance w...
https://drivepatents.com/patents/1009855 · 24 Aug 2011
A wheel (12) is rotatably supported through wheel bearings (16), (17) at the outer peripheral side of a spindle (15), a wheel drive motor (18) is disposed at the inner peripheral side of the spindle (15), and rotation of a shaft (19) connected to a rotatio...
https://drivepatents.com/patents/1010242 · 10 Aug 2011
A hydraulic drive device for a construction machine (1) which can reliably judge whether or not the state of the construction machine is appropriate for stopping an engine is provided. The hydraulic drive device includes: a main pump (13); a regulator (15)...
https://drivepatents.com/patents/1012373 · 8 Jun 2011
A space surrounded by a partition member (26) partitioning between an engine (8) and a heat exchanger (20), a top plate (21D) of a support frame (21) constituting the heat exchanger (20), and a top plate (13A) of an engine cover (13) is defined as an artic...
https://drivepatents.com/patents/1013213 · 11 May 2011
PROBLEM: To provide an exhaust gas post-treatment system for a vehicle, which in the course of regeneration, can surely ascertain whether or not there is any object approaching a body of the vehicle from behind. SOLUTION: Provided are a filter 4 arranged i...
https://drivepatents.com/patents/1013592 · 20 Apr 2011
A radiator (16) and an oil cooler (17) are arranged at a front surface side of a cooling fan (9) to be in parallel with each other in a flow direction (A) of the cooling air, an intercooler (18) and a condenser (19) are arranged in parallel at a front surf...