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Tractor

A tractor and engine technology, applied in the field of tractors, can solve the problems of not being able to ensure the thermal balance of the hood and the difficulty of exhausting the exhaust grille, and achieve the effects of ensuring the driving operating environment, improving the thermal balance, and improving the cooling performance

Inactive Publication Date: 2008-08-27
YANMAR CO LTD
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AI Technical Summary

Problems solved by technology

[0004] However, the radiator cooling air flowing from the front to the rear flows along the side wall of the hood, and is approximately parallel to the positional relationship of the exhaust grilles provided on the side wall, so there is a Due to the difficulty in exhausting air through the exhaust grille, there is a concern that the heat balance in the engine cover cannot be properly secured.

Method used

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Embodiment Construction

[0021] A shown in FIG. 1 is a tractor related to the invention. The tractor A is provided with an engine part 2 on a frame 1, and a gearbox part 4 is arranged on the engine part 2 via a clutch part 3 in linkage connection. The driving part 5 is arranged on the part 4, and a pair of left and right front wheels 7, 7 are linked to each other via the front axle box 6 under the above-mentioned frame 1, and on the other hand, they are linked to the above-mentioned gearbox 4 via the rear axle box 8, 8. Left and right a pair of rear wheels 9,9.

[0022] Engine part 2, as shown in Figure 2, carries engine 10 on frame 1, is positioned at this engine 10 directly ahead, is provided with the radiator 13 that has outside air suction fan 12 via support frame body 11, is positioned at this radiator. On the front of the device 13, the air cleaner 14 is set via the above-mentioned supporting frame body 11. On the one hand, a pre-cleaner 15 is set on the position directly above the air cleaner 1...

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Abstract

A tractor capable of well securing heat balance in a bonnet. A radiator having an outside air suction fan is disposed forward of an engine, and the engine and the radiator are covered by the bonnet. The outside air is sucked by the outside air suction fan through a front grill part formed in the bonnet to cool the radiator. A radiator cooling air discharge port is formed in the side wall part of the bonnet so as to be opened to the rear side.

Description

technical field [0001] The present invention relates to a tractor in which a radiator cooling air outlet is provided on a side wall of an engine hood. Background technique [0002] Conventionally, as a form of a tractor, a radiator with an outside air intake fan is arranged in front of the engine, and while these are covered by the engine cover, the above-mentioned outside air intake fan is used to pass through the front fence portion provided on the engine cover The radiator is cooled by taking in outside air (for example, refer to Patent Document 1). [0003] Furthermore, an exhaust grill for discharging radiator cooling air is provided on the side wall portion of the engine cover, and the radiator cooling air is discharged to the outside of the machine through the exhaust grill. [0004] However, the radiator cooling air flowing from the front to the rear flows along the side wall of the hood, and is approximately parallel to the position of the exhaust grille provided o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K11/04B62D25/10
CPCB62D25/10B60K11/04B60Y2200/221
Inventor 大家要造山本升加藤胜三
Owner YANMAR CO LTD
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