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Outboard engine system

A technology of outboard engine and main body, which is applied in the direction of propulsion engine, ship propulsion, ship parts, etc., and can solve the problem of high manufacturing cost

Inactive Publication Date: 2008-03-12
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, all of the systems in the above documents have the problem of high manufacturing costs, since they require balls for rolling the smooth bar and the thrust receiver into each other to adjust the pitch angle

Method used

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Embodiment Construction

[0041] A first embodiment of the present invention will be described below with reference to FIGS. 1 to 12 .

[0042] As shown in FIG. 1 , the propulsion unit U constituting the main part of the outboard engine system 0 includes a support box assembly 11 and a gear box 12 connected to the lower portion of the support box assembly 11 . The water-cooled multi-cylinder 4-stroke engine E is installed on the upper part of the support box assembly 11, and its crankshaft 13 is arranged vertically. An engine cover 14 is openably and closably installed on the upper end of the support box assembly 11 so as to cover the engine E. As shown in FIG. In this application, the support box assembly 11 is a general term, which includes: the installation box, which supports the main body of the engine E; the extension box, which is connected with the lower part of the installation box; and the bottom cover, which covers the periphery of the installation box and the extension box. , and engage th...

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Abstract

A thrust receiver abuts against an expandable and contractable trim rod to adjust a trim angle of a body of an outboard engine system. The thrust receiver includes a shaft portion rotatable about an axis generally parallel to an axis of the trim rod, and a pressure-receiving portion provided on the shaft portion to abut against a tip end of the trim rod. An abutment point between the trim rod and the pressure-receiving portion is displaced by a distance from an axis of the shaft portion in a lateral direction of the system body. Because the pressure-receiving portion of the thrust receiver rotates about the axis of the shaft portion accompanying the expansion and contraction of the trim rod, a twisting generated at the abutment point can be minimized to suppress generation of an abnormal sound. Moreover, the structure can be simplified to contribute to a reduction in cost, as compared with a system in which a ball is disposed at an abutment point.

Description

technical field [0001] The present invention relates to an outboard engine system, wherein the trim angle of the system body relative to the hull can be adjusted by a trim device and a thrust receiver installed on the system body and the thrust receiver respectively. one of the installation devices and the other. Background technique [0002] Such an outboard engine system is known from Japanese Patent Application Laid-Open No. 8-91298 and Japanese Utility Model Application Laid-Open No. 62-100297 and No. 61-132199. [0003] In the outboard engine system described in Japanese Patent Application Laid-Open No. 8-91298 and Japanese Utility Model Application Laid-Open No. 62-100297, the extendable and shortenable trim rod of the trim cylinder is installed at the stern On the frame, its top surface is against the rotatable ball of the thrust receiver installed on the swivel box; and when the trim rod is extended or shortened to adjust the pitch angle of the system main body, to...

Claims

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Application Information

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IPC IPC(8): B63H20/08
Inventor 井手真一古谷健太郎大槻照彦寺田茂巨
Owner HONDA MOTOR CO LTD
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