Title:
CONSTRUCTION DEVICE CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/105436
Kind Code:
A1
Abstract:
The disclosed construction device control system is provided with a main pump, a circuit system having multiple operation valves connected to the main pump, a boom cylinder connected to a specific operation valve of said multiple operation valves, a first passage connecting the specific operation valve and a piston-side chamber of the boom cylinder, a second passage connecting the specific operation valve and a rod-side chamber of the boom cylinder, a hydraulic motor which is rotated by the action of the return oil from the piston-side chamber of the boom cylinder, a generator which generates electricity by the rotational force of the hydraulic motor, a battery which stores the electricity generated by the generator, and a valve mechanism which, provided in the first passage connecting to the piston-side chamber of the boom cylinder, guides the return oil of the piston-side chamber of the boom cylinder during falling to the hydraulic motor as a recovery flow, and also merges as necessary the return oil into the second passage as a regenerative flow and guides the same to the rod-side chamber of the boom cylinder.
Inventors:
KAWASAKI, Haruhiko (World Trade Center Bldg., 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
川崎 治彦 (〒11 東京都港区浜松町二丁目４番１号世界貿易センタービル カヤバ工業株式会社内 Tokyo, 〒1056111, JP)
川崎 治彦 (〒11 東京都港区浜松町二丁目４番１号世界貿易センタービル カヤバ工業株式会社内 Tokyo, 〒1056111, JP)
Application Number:
JP2011/054003
Publication Date:
September 01, 2011
Filing Date:
February 23, 2011
Export Citation:
Assignee:
KAYABA INDUSTRY CO., LTD. (World Trade Center Bldg, 4-1 Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
カヤバ工業株式会社 (〒11 東京都港区浜松町二丁目４番１号世界貿易センタービル Tokyo, 〒1056111, JP)
KAWASAKI, Haruhiko (World Trade Center Bldg., 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
カヤバ工業株式会社 (〒11 東京都港区浜松町二丁目４番１号世界貿易センタービル Tokyo, 〒1056111, JP)
KAWASAKI, Haruhiko (World Trade Center Bldg., 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
International Classes:
F15B11/024; E02F9/20; E02F9/22; F15B21/14
Attorney, Agent or Firm:
GOTO, Masaki (Shoyu-Kaikan, 3-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
Download PDF:
Claims: