Hydraulic excavator
US9033071B2 · kind B2 · utility
1Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2012 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Nov 27, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N3/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A hydraulic excavator is provided with a lower traveling unit, an upper structure, an engine, a hydraulic pump, an engine compartment, a pump compartment and a plurality of filter devices. The upper structure is rotatably disposed on the lower traveling unit. The pump compartment provided on the upper structure for housing the hydraulic pump. The pump compartment has a door that allows access to an interior of the pump compartment. The filter devices, which are disposed adjacent to each other, are disposed at positions that are mutually offset in a height direction of the hydraulic excavator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.