Patent · US Expired

Method of generating gas pressure in an internal combustion engine, and apparatus for carrying out this method

US4463554A · kind A · utility

8Cited by

8References

33Claims

0Family size

Assignee

Pierburg GmbH & Co. KG · DE

Inventors

Rainer Sudbeck · Duisburg, DE
Hans Baumgartner · Viersen, DE

Key dates

Filing date	Nov 6, 1981
Grant date	Aug 7, 1984
Priority date	—
Expiry date	Nov 6, 2001

Classification

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

Abstract

In an internal combustion engine a rotary gas motor, driven by the intake gas of the engine, drives pump providing secondary air to the engine exhaust at low engine load, and at high load a clutch connects the pump and the motor to the engine shaft, the output of the pump and the motor being delivered to the engine intake.

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