Title:
SELF-PROPELLING CRUSHER
Document Type and Number:
WIPO Patent Application WO/2004/052544
Kind Code:
A1
Abstract:
A self-propelling crusher, comprising a crushing device (20), a hydraulic driving device having a crushing device hydraulic motor (21) driving the crushing device (20), a first hydraulic pump (62) driving the crushing device hydraulic motor (21), and an engine (61) driving the first hydraulic pump (62), a pressure sensor (151) detecting the loading state of the crushing device (20), and a controller (84”) controlling the engine (61) so as to increase the rotational speed thereof based on the signals detected by the pressure sensor (151). Even when a heavy load is applied to the crushing device, the crushing efficiency thereof can be prevented from lowering.
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Inventors:
TANAKA MASAMICHI (JP)
SHIBA YOSHIMI (JP)
SHIOHATA TADASHI (JP)
HASHIMOTO KENTARO (JP)
SHIBA YOSHIMI (JP)
SHIOHATA TADASHI (JP)
HASHIMOTO KENTARO (JP)
Application Number:
PCT/JP2003/015774
Publication Date:
June 24, 2004
Filing Date:
December 10, 2003
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY (JP)
TANAKA MASAMICHI (JP)
SHIBA YOSHIMI (JP)
SHIOHATA TADASHI (JP)
HASHIMOTO KENTARO (JP)
TANAKA MASAMICHI (JP)
SHIBA YOSHIMI (JP)
SHIOHATA TADASHI (JP)
HASHIMOTO KENTARO (JP)
International Classes:
B02C21/02; B02C23/00; B02C25/00; (IPC1-7): B02C21/02; B02C25/00
Foreign References:
| JP2000136739A | 2000-05-16 | |||
| JP2000325824A | 2000-11-28 |
Attorney, Agent or Firm:
Kasuga, Yuzuru (Kyodo Bldg.-Shinkodenmacho 1-3, Nihonbashi-Kodenmach, Chuo-ku Tokyo, JP)
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