Title:
油圧駆動装置付きハイブリッド機械
Document Type and Number:
Japanese Patent JP3862256
Kind Code:
B2
Abstract:
A hybrid machine with a hydraulic drive device having hydraulic actuators allowed to operate against and by external loads is provided. To this end, the hybrid machine comprises hydraulic cylinders (7), first hydraulic pumps (P1) connected, with closed circuits, to head side pressure receiving chambers (7S) and bottom side pressure receiving chambers (7L) of the hydraulic cylinders (7), and second hydraulic pumps (P2) connected, with open circuits, to the bottom side pressure receiving chambers (7L) and an external oil chamber (10), wherein the first and second hydraulic pumps (P1, P2) are connected to electric motors (M) so as to be driven.
Inventors:
Hikosaburo Hiraki
Koichiro Ito
Hiroaki Inoue
Koichiro Ito
Hiroaki Inoue
Application Number:
JP2001584744A
Publication Date:
December 27, 2006
Filing Date:
May 18, 2001
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
F15B11/00; E02F9/20; E02F9/22; F15B1/02; F15B7/00; F15B11/17; F15B21/08; F15B21/14
Domestic Patent References:
| JP1145999A | ||||
| JP3052403U | ||||
| JP10103112A | ||||
| JP11117907A | ||||
| JP6305699A | ||||
| JP10331803A | ||||
| JP60139902A | ||||
| JP62170425U | ||||
| JP4231701A | ||||
| JP584132B2 |
Foreign References:
| US5179836 | ||||
| DE3918119A1 | ||||
| US6065565 |