Patent · US Active

Particulate matter detection system and method

US10329989B2 · kind B2 · utility

0Cited by

4References

16Claims

0Family size

Assignee

Delphi Technologies IP Limited · BB

Inventors

Gerard W. Malaczynski · Bloomfield Hills, US
Gregory T. Roth · Davison, US

Key dates

Filing date	Sep 15, 2016
Grant date	Jun 25, 2019
Priority date	—
Expiry date	Dec 12, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG01N2015/0046
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method of quantifying a particulate matter in an exhaust stream includes the steps of accumulating a particulate matter on a sensor. The sensor provides a signal that varies based upon an amount of the particulate on the sensor. The sensor includes a measurement cycle that includes a deadband zone, followed by an active zone, which is followed by a regeneration zone. The particulate matter is calculated after an end of the deadband zone is reached and prior to an end of the measurement cycle.

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