Hydraulic working machine

Details Hydraulic working machine Hydraulic working machine

1998-09-18

2000-01-04

Batson, Victor

Excavating

Scoop or excavating and transporting container

Dipper-type

37466, 180 658, E02F 332

Patent

active

060096438

ABSTRACT:
A hydraulic excavator includes a cab disposed on a front portion of a revolving upper structure. An internal combustion engine is mounted in a rear portion of the revolving upper structure, and an directional control valve is disposed in the front portion of the revolving upper structure at a position spaced laterally from the cab. The directional control valve is arranged longitudinally of the revolving upper structure. A hydraulic oil tank and a fuel tank for the internal combustion engine are disposed on either side of the directional control valve. By virtue of a space provided between the directional control valve and the cab, transmission of heat and operation noise from the directional control valve to the cab is greatly suppressed.

REFERENCES:
patent: 4541161 (1985-09-01), Shimoie
patent: 5007882 (1991-04-01), Mizumoto et al.
patent: 5040851 (1991-08-01), Maeba
patent: 5711095 (1998-01-01), Oda et al.
patent: 5836411 (1998-11-01), Maeba et al.

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