Patent · US Active

Applied-ignition internal combustion engine with variable valve drive

US9752470B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Ford Global Technologies, LLC · US

Inventors

Bas van den Heuvel · Wijnandsrade, NL
Wilbert Hemink · Limburg, DE
Richard Fritsche · Wermelskirchen, DE
Claudia Conee · Aachen, DE
Werner Willems · Aachen, DE
Franz Arnd Sommerhoff · Aachen, DE
Christian Hans · Berlin, DE

Key dates

Filing date	Mar 12, 2015
Grant date	Sep 5, 2017
Priority date	—
Expiry date	Sep 26, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2001/34423
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A system and method is provided for an at least partially variable valve drive in an internal combustion engine. In one example, the at least partially variable valve drive comprises a hydraulically adjustable actuating device which may be charged with pressurized oil via an oil pressure line which branches off from an oil circuit.

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