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Low floor type motorcycle

A technology for motorcycles and low floor plates, applied in motorcycles, bicycles, pedals, etc., can solve problems such as cylinder power performance limitations and length differences, and achieve the effects of improving mobility, lowering the center of gravity, and improving comfort.

Inactive Publication Date: 2007-03-28
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, as in the prior art, in the case where one of the exhaust pipes extends to the other side, there is a limit to the adjustment of the power performance between the cylinders; for example, the length between the exhaust pipes can make a big difference

Method used

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Examples

Experimental program
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Embodiment Construction

[0074] In the following description, the terms 'front', 'rear', 'left', 'right', 'up' and 'down' refer to sides or directions viewed by a driver.

[0075] 1 is a cross-sectional view of a right side portion of a low-floor type motorcycle according to the present invention. The motorcycle 10 is a vehicle including a body frame 11, which includes: a head pipe 13 provided at the front end of the vehicle 12; upper members 16, 16 (only The reference number 16 on the observer's side is shown); the seat rails 18, 18 extending obliquely upward from the upper members 16, 16 to the rear (only the symbol 18 on the observer's side is shown); the seat rail 18 is supported from the lower side , 18 support brackets 19,19 (only the reference number 19 on the observer's side is shown); branched from the upper member 16,16, positioned at the lateral side of the cylinder block 23 of the engine 14 and extending downwards The lower member 17,17 (only Show the observer's side of the reference numb...

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PUM

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Abstract

A motorcycle with a low floor is configured such that secondary vibration of an engine can be largely reduced and an increase in engine width can be suppressed. The motorcycle with a low floor includes step floors on which to put a rider's feet on left and right sides of a vehicle body frame. An engine is provided between the step floors. A plurality of exhaust pipes extend respectively from cylinders of the engine, the exhaust pipes being gathered at a gathering portion. The engine is an in-line 3-cylinder engine having cylinder portions inclined forwardly. The exhaust pipes extend downwards from the cylinder portions on the basis of each cylinder. The exhaust pipes are bundled and extend on the right side of the engine, in a position on the lower side of one of the step floors.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under 35 U.S.C. §119 to Japanese Patent Application Nos. 2005-274347 and 2005-274550, both filed on September 21, 2005, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a low-floor motorcycle having: a cover member for covering a body frame, an engine located on the lower side of the cover member, exhaust pipes respectively extending from cylinders of the engine, the exhaust pipes collecting In the collection department. Background technique [0004] There is known a low-floor type motorcycle having a cover member for covering a body frame and an engine located on the underside of the cover member (for example, refer to Japanese Patent Laid-Open No. 2002-79982 ( FIG. 2 ) ). [0005] In FIG. 2 of Japanese Patent Laid-Open No. 2002-79982, a motorcycle 1 includes a body frame 2, and an engine unit 41 (hereinafter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K11/00B62M7/06B62K11/02B62J25/00B62M7/02F02B61/02F02B77/00F16F15/26
Inventor 杉田治臣吉村平次郎铃木修小笠原敦仓川幸纪上田幸也山本俊朗小沼隆之中川光雄
Owner HONDA MOTOR CO LTD
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