Phase change system for opening and closing intake valves
JP2025505771AInactive Publication Date: 2025-02-28PIAGGIO & C SPA
Patent Information
- Application Number
- JP2024548341
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-02-15
- Filing Date
- 2023-02-14
- Publication Date
- 2025-02-28
- Estimated Expiration
- Not applicable · inactive patent
Smart Images

Figure 2025505771000001_ABST
Abstract
A phase change system for opening and closing at least an intake valve of an internal combustion engine of a saddle-type vehicle includes a rocker adapted to pivot about a pivot axis and convert rotational motion of a camshaft into motion for opening and closing at least an intake valve of the engine, and a selection member adapted to interact with the rocker such that the rocker assumes different operating configurations to postpone or advance the opening and closing of the intake valve.
Need to check novelty before this filing date? Find Prior Art
Citation Information
Patent Citations
Variable valve device
CN103670576A
Tappet valve device for automobile engine
JP1987203913A
Variable valve device
JP2014047623A
Internal combustion engine and saddle type vehicle
JP2015129503A
Valve Mechanism for Internal Combustion Engine
US20090020087A1