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Mounting structre of thermostatic device of water-cooled I.C. engine

A technology of internal combustion engine and thermostat, which is applied in the direction of machine/engine, engine cooling, coolant flow control, etc., can solve the problems of rising cost and increasing the number of parts, and achieves reduction of cost, reduction of the number of parts, and improvement of cooling. The effect of stability

Inactive Publication Date: 2003-12-24
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the mounting structure of the thermostat in the prior art, it is necessary to hold and cover the dedicated housing conduit for the thermostat, and also need the hose for connecting the housing conduit to the radiator, so the number of parts increases and becomes An important factor in rising costs

Method used

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  • Mounting structre of thermostatic device of water-cooled I.C. engine
  • Mounting structre of thermostatic device of water-cooled I.C. engine
  • Mounting structre of thermostatic device of water-cooled I.C. engine

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Embodiment Construction

[0020] Next, Fig. 1- Figure 8 One embodiment of the present invention is shown.

[0021] Fig. 1 is a left side view of a motorcycle equipped with a water-cooled internal combustion engine using a thermostat mounting structure of the present embodiment, figure 2 It is a sectional view taken along the line II-II of FIG. 1 , and is a schematic sectional view of a power unit including a water-cooled internal combustion engine cut at a plane perpendicular to the crankshaft and including the axis of the cylinder, image 3 for figure 2 The III-III line view sectional view, Figure 4 is figure 2 The IV-IV line view of the sectional view is a side view showing the radiator part, Figure 5 for figure 2 The V-V line view section diagram, Figure 6 for figure 2 The enlarged view of the main part, Figure 7 is the plan view of the radiator, Figure 8 Front view of the shield.

[0022] The term "front, rear, left, and right" hereinafter refers to the front, rear, left, and right si...

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Abstract

In an attachment structure for thermostat 82 for detecting cooling water temperature in a water-cooled internal combustion engine 30 having a radiator 41 attached to an upper part of the internal combustion engine 30, the thermostat 82 is provided inside a cooling water circulating path, so as to project into a tank (housing chamber 41a) of the radiator 41. The thermostat 82 is attached in between a cooling water outlet 43a of the internal combustion engine 30 and a cooling water inlet 130 of the radiator 41, so as to improve assemblability and reduce cost by simplifying the installation structure of a thermostat.

Description

technical field [0001] The present invention relates to a thermostat installation structure of a water-cooled internal combustion engine, in particular to a thermostat installation structure of a water-cooled internal combustion engine in which a radiator is installed on the upper part of the internal combustion engine. The installation structure of the thermostat can simplify the installation structure of the thermostat. Improve installability and reduce costs. Background technique [0002] In the past, in a water-cooled internal combustion engine in which a radiator was installed on the top of the internal combustion engine, when a thermostat was installed in the cooling water circulation channel, a radiator cooling fan was sometimes arranged between the internal combustion engine and the radiator, and the cooling water outlet of the internal combustion engine The thermostat is sandwiched between the opening and the thermostat cover by the end of the conduit, and the other...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P7/16F02B61/02F02F7/00
CPCF01P7/16F01P2070/00F02F7/006F02B61/02
Inventor 小笠原敦朝仓孝文
Owner HONDA MOTOR CO LTD