Patent · US Active

Internal combustion engine with a variable compression ratio

US7798109B2 · kind B2 · utility

1Cited by

0References

13Claims

0Family size

Assignee

Daimler AG · DE

Inventors

Michael Jürging · Kelkheim, DE
Jens Meintschel · Bernsdorf, DE
Reinhard Orthmann · Leonberg, DE
Hubert Schnupke · Stuttgart, DE
Dietmar Schroer · Waiblingen, DE

Key dates

Filing date	Oct 27, 2007
Grant date	Sep 21, 2010
Priority date	—
Expiry date	Feb 3, 2029

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02B2275/06
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In an internal combustion engine including a housing with cylinders arranged in the housing, a crankshaft, and pistons moveably disposed in the cylinders and operatively connected to the crankshaft, and a device for changing the compression ratio of the cylinders of the internal combustion engine, the device comprises an adjusting arrangement with an eccentric which is mounted in the housing and, by means of rotation, controls the position and the direction of movement of the adjusting arrangement, and a drive for operating the adjusting arrangement including the eccentric.

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