Patent · US Expired

Internal combustion engine with auxiliary combustion chamber

US7216623B2 · kind B2 · utility

12Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 2005
Grant dateMay 15, 2007
Priority date
Expiry dateNov 8, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B19/12
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An internal combustion engine comprises a main combustion chamber part, an auxiliary combustion chamber part, a first communicating passage, a second communicating passage and an igniting component. The auxiliary combustion chamber part includes first and second auxiliary combustion chambers. The first auxiliary combustion chamber is disposed adjacent to the main combustion chamber part. The second auxiliary combustion chamber is disposed adjacent to the first auxiliary combustion chamber at a position further away from the main combustion chamber part. The first communicating passage extends between the main combustion chamber part and the first auxiliary combustion chamber and the second communicating passage extends between the first auxiliary combustion chamber and the second auxiliary combustion chamber. The ignition component is configured and arranged to ignite fresh air-fuel mixture introduced from the main combustion chamber into the first auxiliary combustion chamber through the first communicating passage.

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