Patent · US Expired

Cylinder head for internal combustion engines

US6098590A · kind A · utility

3Cited by

9References

15Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Immanuel Kutschera · Stuttgart, DE
Ulrich Engel · Schlangenbad, DE
Bernward Vethacke · Wissen, DE
Hartmut Engels · Wolfschlugen, DE
Claus Mumm · Stuttgart, DE
Martin Mutterer · Leutenbach, DE

Key dates

Filing date	Oct 30, 1996
Grant date	Aug 8, 2000
Priority date	—
Expiry date	Oct 30, 2016

Classification

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

Abstract

A cylinder head for internal combustion engines, particularly diesel engines with direct fuel injection, which has two inlet valves per cylinder each including spin-inducing means for producing spin flow about the longitudinal axis of the associated cylinder. Having regard to the direction of spin, the leading inlet valve is provided with an eccentric, crescent-shaped chamfer facing in the general direction of spin flow, and the trailing inlet valve includes flow blocking means for preventing combustion air from exiting the trailing inlet valve in a direction opposite to the direction of spin flow.

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