Electrostatic precipitator apparatus having an improved ion generating means

(19)

(11)

EP 0 144 521 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	10.07.1985 Bulletin 1985/28

(43)	Date of publication A2:
	19.06.1985 Bulletin 1985/25

(21)	Application number: 84109494

(22)	Date of filing: 20.10.1980

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI NL SE

(71)	Applicant: MAXWELL LABORATORIES, INC.
	()

(72)	Inventors:
	Fitch, Richard Anthony () Drummond, James Edgar () Mondelli, Alfred Anthony ()

(54)	Electrostatic precipitator apparatus having an improved ion generating means

(57) A precipitate stage having one or more electrically charged shells (30) with flat sides generally parallel to collecting side plates for providing a uniform electric field in the medium carrying space, the sides of the shell having openings (56) through which ions generated in the interior pass into the gaseous medium. A corono discharge apparatus (68) inside the shell produces the ions at predictable, generally uniformly spaced locations.

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