Title:
DOZER CONTROLLER OF SHOVEL
Document Type and Number:
Japanese Patent JP3680689
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a dozer controller of a shovel causing no shortage of driving force without increasing capacity of a pump when special dozing work is carried out even if the pump having low maximum pressure is used for the dozer since a different pump is used for traveling and the dozer.
SOLUTION: When special dozing work is carried out, oil of a main pump 11 for an actuator other than a dozer cylinder 23 is combined with oil from a dozer pump 24 to supply the oil to dozer cylinders 22, and a large quantity of flow can be ensured.
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Inventors:
Hiroshi Taji
Application Number:
JP2000070657A
Publication Date:
August 10, 2005
Filing Date:
March 14, 2000
Export Citation:
Assignee:
Kobelco Construction Machinery Co., Ltd.
International Classes:
E02F9/22; E02F3/85; F15B11/02; (IPC1-7): E02F9/22; E02F3/85; F15B11/02
Domestic Patent References:
JP8218443A |
Attorney, Agent or Firm:
Etsushi Kotani
Kyuichi Ueki
Muramatsu Toshiro
Kyuichi Ueki
Muramatsu Toshiro
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