Patent · US Active

Multi-joint crank drive of an internal combustion engine and corresponding internal combustion engine

US9982596B2 · kind B2 · utility

1Cited by

16References

14Claims

0Family size

Assignee

AUDI AG · DE

Inventors

Matthias Brendel · Ingolstadt, DE
Markus Wild · Stammham, DE

Key dates

Filing date	Nov 13, 2014
Grant date	May 29, 2018
Priority date	—
Expiry date	Nov 13, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J1/14
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A multi-joint crank drive of an internal combustion engine includes at least one coupling member supported on a crankpin of a crankshaft for rotation about a coupling member rotation axis; and at least one articulated connecting rod supported on a crankpin of an eccentric shaft for rotation about an eccentric rotation axis, wherein the at least one coupling member is connected with a piston connecting rod of a piston of the internal combustion engine for pivoting about a piston connecting rod rotation axis, and with the at least one articulated connecting rod for pivoting about an articulated connecting rod rotation axis, and wherein a rotation axis of the eccentric shaft is situated above a plane which receives a rotation axis of the crankshaft and is perpendicular to at least one cylinder longitudinal center axis, and wherein, respectively in relation to a total travel of the piston.

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