Patent · US Active

Regeneration assist delay period

US8631643B2 · kind B2 · utility

5Cited by

1References

13Claims

0Family size

Assignee

Perkins Engines Company Limited · GB

Inventors

Alistair C. Farman · Peterborough, GB
Antony J. Eager · Peterborough, GB

Key dates

Filing date	Dec 22, 2009
Grant date	Jan 21, 2014
Priority date	—
Expiry date	Mar 23, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/40
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A power system comprising an engine that produces exhaust, a particulate filter that traps soot from the engine, and a controller that switches the power system from a first operation mode into a second operation mode to regenerate the particulate filter in response to a load on the engine changing and a threshold amount of time greater than zero passing after the load on the engine changed.

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