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https://drivepatents.com/patents/948717 · 30 Sep 2015
A power control device for a cargo handling vehicle provided with a cargo handling apparatus (2) operated by a hydraulic oil from a hydraulic pump (6) driven by an engine (5) includes a controller (14) and an engine speed sensor (17) detecting an engine sp...
https://drivepatents.com/patents/992261 · 27 Mar 2013
The present invention relates to an apparatus for controlling a raise speed of a working machine for heavy equipment that includes first and second pumps, a main control valve unit that includes two lift cylinder operation units connected with the first an...
https://drivepatents.com/patents/1005766 · 1 Feb 2012
It is an object of the invention to provide a fuel consumption saving control device for a work vehicle and a fuel consumption saving control method for the work vehicle which can improve efficiency of regeneration and reclamation of energy to further faci...