Patent · US Expired

Piston-type internal combustion engine having at least two intake valves per cylinder

US5778851A · kind A · utility

5Cited by

3References

8Claims

0Family size

Assignee

FEV Motorentechnik GmbH & Co., KG · DE

Inventors

Torsten Schellhase · Lambach, DE
Raymund Tensing · Aachen, DE
Martin Pieper · Aachen, DE

Key dates

Filing date	May 3, 1996
Grant date	Jul 14, 1998
Priority date	—
Expiry date	May 3, 2016

Classification

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

Abstract

An internal combustion engine includes an engine cylinder; a first intake port leading to the cylinder for introducing combustion gases thereinto; a first intake valve situated at the cylinder in the first intake port; a second intake port leading to the cylinder for introducing combustion gases thereinto; a second intake valve situated at the cylinder in the second intake port; and a throttle arrangement situated in the second intake port for varying a flow passage cross section thereof. The throttle arrangement includes a flat sliding member movable in a direction of motion thereof perpendicularly to the longitudinal axis of the second intake port for varying the flow passage cross section thereof.

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