Patent · US Active

Internal combustion engine featuring partial shutdown and method for operating an internal combustion engine of this kind

US10443515B2 · kind B2 · utility

0Cited by

15References

14Claims

0Family size

Assignee

Ford Global Technologies, LLC · US

Inventors

Guohui Chen · Zhuhai, CN
Werner Willems · Aachen, DE
Leonhard Bartsch · Aachen, DE
Helmut Hans Ruhland · Eschweiler, DE

Key dates

Filing date	May 29, 2013
Grant date	Oct 15, 2019
Priority date	—
Expiry date	Mar 9, 2036

Classification

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

Abstract

Systems and methods are provided for an engine wherein one group of cylinders is active and a second group of cylinders is switchable, such that under low loads the second group of cylinders is deactivated, and under high loads the second group of cylinders is activated. Following deactivation of the second group of cylinders a throttling element in an intake line for the second group of cylinders is gradually closed. The closing of the throttling element may reduce pumping losses and thus increase engine efficiency.

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