Title:
エンジン駆動型作業機
Document Type and Number:
Japanese Patent JP7089981
Kind Code:
B2
Abstract:
To introduce cooling wind to an urea water tank housed in a tank housing space disposed at a lower part of an air exhausting chamber, while preventing intrusion of rain water into a soundproof box.SOLUTION: A space in a bonnet 20 is partitioned by a partitioning wall 25 to be divided into an engine chamber 26 and an air exhausting chamber 27 communicated through an opening 25a. The air exhausting chamber 27 is vertically divided by a cover 61, and a tank housing space 63 not communicated with an upper space and the opening 25a is formed at the lower portion to house an urea water tank 60. At a formation position of the tank housing space 63, a duct 22 forming an upward flow channel communicated with an intake port 15 for communicating the inside and outside of a soundproof box 2, is disposed on an inner face of a side wall 20d of the bonnet 20, and the tank housing space 63 is communicated with the engine chamber 26 in a frame 10. By disposing the duct 22 communicated with the intake port 15, intrusion of rain water to the tank housing space 63 is prevented.SELECTED DRAWING: Figure 1
Inventors:
Anesaki Yusei
Atsushi Watanabe
Atsushi Watanabe
Application Number:
JP2018151475A
Publication Date:
June 23, 2022
Filing Date:
August 10, 2018
Export Citation:
Assignee:
Hokuetsu Industry Co., Ltd.
International Classes:
F02B63/00; F02B67/00; F02B77/13
Domestic Patent References:
| JP20183634A | ||||
| JP2017180214A | ||||
| JP20141674A | ||||
| JP20122119A | ||||
| JP200869759A | ||||
| JP201637894A |
Attorney, Agent or Firm:
Kokura Patent Office