Patent · US Expired

Supercharged multicylinder internal combustion engine with exhaust recycling

US5711154A · kind A · utility

24Cited by

4References

10Claims

0Family size

Assignee

MTU Motoren-und Turbinen-Union Friedrichshafen GmbH · DE

Inventors

Bernhard Baechle · Friedrichshafen, DE
Dieter Schoenfeld · Markdorf, DE
Martin Freitag · Munich, DE

Key dates

Filing date	Jan 29, 1996
Grant date	Jan 27, 1998
Priority date	—
Expiry date	Jan 29, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A supercharged multi-cylinder internal combustion engine is provided having exhaust recycling with air supply and exhaust outlet devices, variably controllable air intake and exhaust outlet valves, a first lubricating oil circuit, and an exhaust processing cylinder having a driven piston and a variable control for air intake and exhaust outlet valves on the exhaust processing cylinder. The air intake and exhaust outlet valves on the exhaust processing cylinder are each partially opened during a downward stroke of the driven piston of the exhaust processing cylinder by a control unit. A second lubricating oil circuit is provided for the exhaust processing cylinder.

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