Title:
ENGINE AIR-COOLING DEVICE
Document Type and Number:
Japanese Patent JP2018031380
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an engine air-cooling device capable of improving the cooling efficiency of an oil cooler.SOLUTION: A ventilation guide plate (6) is equipped with a backward guide plate (6a) covering a cylinder (4) and a cylinder head (5) from a side, on a rear side of a fan case (2). An oil cooler (9) is disposed along lateral side surfaces of the cylinder (4) and the cylinder head (5) and the backward guide plate (6a) in a ventilation path (7) extending backward from the fan case (2). An inward surface (9b) of a heat radiation part (9a) of the oil cooler (9) is turned to an inside ventilation clearance (10) between the lateral side surfaces of the cylinder (4) and the cylinder head (5) and the oil cooler (9), and an outward surface (9c) of the heat radiation part (9a) of the oil cooler (9) is turned to an outside ventilation clearance (11) between the oil cooler (9) and the backward guide plate (6a).SELECTED DRAWING: Figure 1
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Inventors:
KIMOTO SEIJI
Application Number:
JP2017205993A
Publication Date:
March 01, 2018
Filing Date:
October 25, 2017
Export Citation:
Assignee:
KUBOTA KK
International Classes:
F01P5/06; F01M5/00
Domestic Patent References:
| JPS5349946Y1 | 1978-11-30 | |||
| JPS6331221U | 1988-02-29 | |||
| JP2010138844A | 2010-06-24 | |||
| JP2000234890A | 2000-08-29 | |||
| JPH02115915U | 1990-09-17 | |||
| JPS5356441A | 1978-05-22 | |||
| JP2003500632A | 2003-01-07 |
Foreign References:
| DE807730C | 1951-07-02 | |||
| DE10220630A1 | 2003-11-20 | |||
| US4539945A | 1985-09-10 |
Attorney, Agent or Firm:
Shoji Suzue