Patent · US Active

Four-cylinder engine with two deactivatable cylinders

US9822712B2 · kind B2 · utility

0Cited by

4References

18Claims

0Family size

Assignee

Ford Global Technologies, LLC · US

Inventors

Carsten Weber · Aalen, DE
Martin Wirth · Hitzendorf, AT
Rainer Friedfeldt · Gerstungen, DE
Guenter Bartsch · Gummersbach, DE

Key dates

Filing date	May 9, 2014
Grant date	Nov 21, 2017
Priority date	—
Expiry date	Sep 22, 2036

Classification

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

Abstract

A method for operating an internal combustion engine is provided. The method includes during a first operating condition, operating two primary cylinders and two secondary cylinders to perform combustion, the two primary and secondary cylinders arranged in an inline configuration, the two primary cylinder adjacent to one another, the two secondary cylinders adjacent to one another, and the secondary cylinders positioned 175°-185° out of phase relative to the two primary cylinders and during a second operating condition, selectively deactivating the two secondary cylinders to perform combustion in only the two primary cylinders.

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