Apparatus and method for removing particulate matter from the exhaust gases of an internal combustion engine

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EP 0 356 040 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	14.03.1990 Bulletin 1990/11

(43)	Date of publication A2:
	28.02.1990 Bulletin 1990/09

(21)	Application number: 89307864.2

(22)	Date of filing: 02.08.1989

(51)	International Patent Classification (IPC)⁵: F01N 3/02

(84)	Designated Contracting States:
	BE DE ES FR GB GR IT

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Priority:

03.08.1988 GB 8818463

(71)	Applicant: LOUGHBOROUGH CONSULTANTS LIMITED
	Loughborough LE11 3TF (GB)

(72)	Inventors:
	Garner, Colin Peter Loughborough, LE11 0PD (GB) Dent, John Cotton Leicestershire, LE12 5AN (GB)

(74)	Representative: Bardo, Julian Eason et al
	Abel & Imray Northumberland House 303-306 High Holborn London, WC1V 7LH London, WC1V 7LH (GB)

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References cited: :


	Remarks:
	Consolidated with 89909409.8/0429511 (European application No./publication No.) by decision dated 03.04.92.

(54)	Apparatus and method for removing particulate matter from the exhaust gases of an internal combustion engine

(57) The apparatus for removing particulate matter from exhaust gases includes a filter 6 for trapping particulate matter carried by the gases. A microwave generator 8 is arranged to irradiate the upstream face 10 of the filter 6, heating and oxidising particulate matter trapped in only a region adjacent that face. The heated zone then travels through the filter 6, regenerating the whole filter.

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