Patent · US Expired

Microwave regenerated diesel particulate trap

US6709489B2 · kind B2 · utility

9Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2001
Grant dateMar 23, 2004
Priority date
Expiry dateMar 19, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S55/30
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A method and apparatus for initiating regeneration in a particulate trap including the steps of locating microwave-absorbing material in the particulate trap in areas that particulates build up, generating microwaves, absorbing microwaves with the microwave-absorbing material, and controlling the microwaves to initiate a burn-off of particulates.

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