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Title:
MIXER DRUM DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/140960
Kind Code:
A1
Abstract:
A mixer drum drive device comprises an auxiliary fluid pressure pump provided independent of a fluid pressure pump and capable of supplying hydraulic fluid to a fluid pressure motor so as to rotate a mixer drum in a stirring manner, a plurality of electric motors for rotatably driving the auxiliary fluid pressure pump, and a controller for controlling the rotation of the mixer drum. When an engine stops during the stirring rotation of the mixer drum, the controller selectively actuates the plurality of electric motors in accordance with the load of the mixer drum and rotatably drives the auxiliary fluid pressure pump.

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Inventors:
TAKAHASHI YOSHIMITSU (JP)
Application Number:
PCT/JP2013/054957
Publication Date:
September 26, 2013
Filing Date:
February 26, 2013
Export Citation:
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Assignee:
KAYABA INDUSTRY CO LTD (JP)
International Classes:
B01F29/60; B60P3/16; B28C5/42; F15B20/00; F16H61/4139
Foreign References:
JPS5098122A1975-08-04
JP2003232304A2003-08-22
JP2006272591A2006-10-12
JP2007278430A2007-10-25
Other References:
See also references of EP 2829439A4
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
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