Patent · US Expired

Exhaust gas recirculation means

US4164207A · kind A · utility

3Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 20, 1977
Grant dateAug 14, 1979
Priority date
Expiry dateJun 20, 1997

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02M26/38
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An exhaust gas recirculation system has at least two recirculation lines to permit recirculation of a large quantity of exhaust gas when required and in which recirculation of exhaust gas is reduced or completely cut off in accordance with particular engine operating conditions.

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