Patent · US Expired

Internal combustion engine having a coolant circuit

US7318395B2 · kind B2 · utility

1Cited by

8References

4Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Jurgen Huter · Rutesheim, DE
Bernhard Jutz · Feldkirch, AT
Johannes Leweux · Eßlingen, DE
Harald Pfeffinger · Tiefenbronn, DE
Heiko Sass · Tamm, DE
Timo Schmidt · Stuttgart, DE
Karsten Unger · Stuttgart, DE

Key dates

Filing date	Aug 17, 2005
Grant date	Jan 15, 2008
Priority date	—
Expiry date	Aug 17, 2025

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01P2003/027
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In an internal combustion engine having a coolant circuit which comprises a first coolant line for the cylinder block and a second coolant line for the cylinder head of the engine, with the cylinder head having at least one inlet valve and at least one outlet valve per cylinder, an additional coolant duct provided in the cylinder head in close proximity to the valves is connected to the second coolant line for directly supplying coolant to the area of the cylinder outlet valves.

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