Title:
COOLING UNIT AND WORK MACHINE
Document Type and Number:
Japanese Patent JP2023125212
Kind Code:
A
Abstract:
To improve cooling performance.SOLUTION: A cooling unit comprises: a cooling core which has a front face facing an upstream side in a ventilation direction and a back face facing a downstream side in the ventilation direction and through which air passes from the front face to the back face; a shroud which covers the back face so that a downstream side space is formed at the back face side of the cooling core and in which a plurality of openings that makes the downstream side space communicate with the downstream side are formed; a plurality of drive fans which are provided corresponding to the respective openings, and send air in the downstream side space further to the downstream side by rotating around a central axis line extending in the ventilation direction. The central axis line is inclined with respect to the ventilation direction, and an extending direction of the central axis line of each drive fan are different from each other.SELECTED DRAWING: Figure 3
Inventors:
YUGUCHI MASAYA
KOIZUMI ATSUSHI
KOIZUMI ATSUSHI
Application Number:
JP2022029193A
Publication Date:
September 07, 2023
Filing Date:
February 28, 2022
Export Citation:
Assignee:
KOMATSU MFG CO LTD
International Classes:
E02F9/00; B60K11/04; F04D29/52; F04D29/54
Attorney, Agent or Firm:
Patent Attorney Shiga International Patent Office