Unlock instant, AI-driven research and patent intelligence for your innovation.

Construction machinery

A technology for construction machinery and engines, which is applied in construction, mechanical equipment, engine components, etc. It can solve the problems of exhaust reversal, heat exchanger cooling efficiency not proportionally higher, etc.

Active Publication Date: 2007-01-17
KOBELCO CONSTR MASCH CO LTD
View PDF4 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a problem that the exhaust in these devices is not discharged smoothly to the outside of the fuselage, but hits, for example, the side walls inside the engine room with simultaneous exhaust reversal
There is also the problem that even with increased blower capacity used to send air to those units, the cooling efficiency of the heat exchanger is not proportionally higher

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Construction machinery
  • Construction machinery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] The basic structure of the invention resides in a construction machine comprising an engine, hydraulics, heat exchangers for cooling the engine and hydraulics, and a maintenance channel, all arranged in an upper rotor , the maintenance passage is formed so as to extend across the upper rotor, while the maintenance parts of the engine and the hydraulic device are arranged along the maintenance passage, wherein an air inlet and an exhaust port are formed in the maintenance passage, and a cooling fan serves as The cooling device for sending air to the heat exchanger, the above-mentioned cooling fan is arranged to face the air inlet, thus allowing the exhaust gas to be discharged from the cooling fan to the outside of the fuselage through the maintenance channel.

[0011] The intake port functions as an inlet for cooling air (outside air) introduced therefrom. The exhaust port functions as an outlet for exhaust gas (exhaust gas), which is introduced into the maintenance cha...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

In a construction machine comprising an engine, hydraulic device, and heat exchanger for cooling the engine and the hydraulic device, which are all disposed in an upper rotating body of the construction machine, there is formed a maintenance passage along which maintenance portions of the engine and the hydraulic device are disposed so as to cross the upper rotating body. Exhaust air from cooling fans for sending air to the heat exchanger is discharged to the exterior of the machine body through the passage. Thus, the passage is utilized as an exhaust air passage for the heat exchanger, whereby it is possible to provide a construction machine improved in cooling efficiency for the heat exchanger.

Description

technical field [0001] The invention relates to a construction machine with a cooling device. Background technique [0002] In Japanese Patent Publication No. 2002-88818 is disclosed a hydraulic shovel having a space for inspection work to inspect an engine and a hydraulic device mounted on an upper rotating body. The above space is isolated from the engine room. [0003] When the inspection doors installed along the above-mentioned space are opened, various parts for maintenance such as engine oil filter and fuel filter are revealed. [0004] On the other hand, for the cooling device, heat exchangers such as radiators and intercoolers are provided in the engine room. However, there is a problem in that the exhaust gas in these devices is not discharged smoothly to the outside of the fuselage, but hits, for example, the side wall inside the engine room while generating the exhaust inversion phenomenon. There is also a problem that the cooling efficie...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): E02F9/00F01P1/00B60K11/04E02F9/16F01P3/18F01P11/10
CPCF01P11/10B60K11/04F01P3/18F01P2060/02F01P2060/04F01P2003/182
Inventor 新井诚刚筑穴隆司山下康一上田员弘岩满裕明
Owner KOBELCO CONSTR MASCH CO LTD