Saddle-ridden vehicle

The electric supercharger in straddle-type vehicles allows for efficient component arrangement by eliminating reliance on the exhaust system, improving layout flexibility, reducing pressure loss, and enhancing energy efficiency and responsiveness.

WO2026116436A1 Publication Date: 2026-06-04HONDA MOTOR CO LTD
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Patent Information

Application Number
PCT/JP2025/041414
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-28
Filing Date
2025-11-27
Publication Date
2026-06-04

AI Technical Summary

Technical Problem

The limited layout space in straddle-type vehicles poses challenges in efficiently arranging components related to superchargers, particularly in motorcycles, where traditional superchargers require space from the exhaust system or drive shaft, limiting the freedom in component placement.

Method used

The use of an electric supercharger driven by a motor, positioned to eliminate the need for space from the exhaust system, allows for more flexible component arrangement, with the surge tank placed above the crankcase, and components like the air cleaner device positioned to reduce pressure loss and improve energy efficiency.

Benefits of technology

This configuration enhances the freedom in layout, reduces pressure loss, improves energy efficiency, and responsiveness, while also contributing to a lower center of gravity by strategically positioning components.

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Abstract

This saddle-ridden vehicle comprises an internal combustion engine (E), a surge tank (60) that is connected to the internal combustion engine (E), and a supercharger (50) that supplies supercharged intake air to the internal combustion engine (E) via the surge tank (60). The internal combustion engine (E) comprises a crankcase (32) and a left / right pair of cylinders (33) that protrude from the crankcase (32) to the outside in the vehicle left-right direction. The surge tank (60) is positioned above the crankcase (32).
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