Title:
建設機械
Document Type and Number:
Japanese Patent JP6962872
Kind Code:
B2
Abstract:
To provide a construction machine of which a plurality of heat exchangers composing a heat exchange device are improved in coolability as well as of which maintenance work including cleaning of each of the heat exchangers is facilitated.SOLUTION: A heat exchange device 10 arranged on a revolving frame 5 adjacent to a cooling fan 9, comprises: a plurality of heat exchangers cooling a plurality of fluid types respectively, more specifically, a radiator 15 cooling water of an engine 7, an oil cooler 16 cooling hydraulic fluid, a condenser 17 cooling air-conditioning coolant, and a fuel cooler 18 cooling fuel supplied to the engine 7. Further, the radiator 15, the oil cooler 16, and the capacitor 17 as one group of the heat exchangers are positioned on an upper stream of a cooling air flow direction than the cooling fan 9. On the other hand, the fuel cooler 18 as the other of the heat exchangers is positioned on a downstream of the cooling air flow direction from the cooling fan 9.SELECTED DRAWING: Figure 2
Inventors:
Motoi Ishii
Shuhei Noguchi
Tetsuya Nakabayashi
Tatsuya Miyawaki
Shuhei Noguchi
Tetsuya Nakabayashi
Tatsuya Miyawaki
Application Number:
JP2018120813A
Publication Date:
November 05, 2021
Filing Date:
June 26, 2018
Export Citation:
Assignee:
Hitachi Construction Machinery Tierra Co., Ltd.
International Classes:
E02F9/00; B60K11/04; F01P3/18; F01P11/10; F02B67/06; F02B77/00
Domestic Patent References:
| JP2011085085A | ||||
| JP2005120979A | ||||
| JP2005068866A | ||||
| JP2016196758A | ||||
| JP2002275936A | ||||
| JP2015140643A |
Foreign References:
| WO2010013537A1 | ||||
| WO2013099519A1 | ||||
| US10000908 | ||||
| US6390770 |
Attorney, Agent or Firm:
Hirowa Patent Office