Patent · US Expired

Method and device for opening and closing a valve of an internal combustion engine

US6581555B1 · kind B1 · utility

2Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 2001
Grant dateJun 24, 2003
Priority date
Expiry dateOct 29, 2021

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01L9/20
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a method and to a device for opening and closing a valve of an internal combustion engine. The aim of the invention is to reduce the energy required for opening and closing a valve of an internal combustion engine, especially one that is provided with an electromagnetic valve control. To this end, the kinetic energy of the valve is transferred to a mass and temporarily stored in a mass.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.