PNEUMATIC DIAPHRAGM VALVE AND METHOD FOR CONTROLLING A PNEUMATIC VALVE ACTUATOR - Patent 1409900

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EP 1 409 900 A1

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(43)	Date of publication:
	21.04.2004 Bulletin 2004/17

(21)	Application number: 02750452.1

(22)	Date of filing: 24.07.2002

(51)	International Patent Classification (IPC)⁷: F16K 7/14, F16K 31/385

(86)	International application number:
	PCT/US2002/025200

(87)	International publication number:
	WO 2003/010452 (06.02.2003 Gazette 2003/06)

(84)	Designated Contracting States:
	DE FI SE

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Priority:

24.07.2001 US 471723

(71)	Applicant: SPX Corporation
	Charlotte,North Carolina 28277 (US)

(72)	Inventors:
	LAFLER, Lawrence Saint Cloud, MN 56304 (US) TANNER, Douglas, J. Saint Cloud, MN 56303 (US)

(74)	Representative: Lang, Friedrich et al
	Lang & TomeriusPostfach 15 13 24 80048 München 80048 München (DE)

(54)	PNEUMATIC DIAPHRAGM VALVE AND METHOD FOR CONTROLLING A PNEUMATIC VALVE ACTUATOR