LIQUID FLOW CONTROLLER HAVING PRESSURE BALANCED PISTON FOR DELIVERING CONSTANT FLOW - Patent 0188461

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EP 0 188 461 A1

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(43)	Date of publication:
	30.07.1986 Bulletin 1986/31

(21)	Application number: 85903131.0

(22)	Date of filing: 10.06.1985

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International Patent Classification (IPC):

G05D 7/ 00^{( . )}

G05D 7/ 01^{( . )}

(86)	International application number:
	PCT/US1985/001070

(87)	International publication number:
	WO 1986/000731 (30.01.1986 Gazette 1986/03)

(84)	Designated Contracting States:
	DE FR GB IT NL

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Priority:

06.07.1984 US 19840628333

(71)	Applicant: BRUNSWICK VALVE AND CONTROL, INC.
	Houston, TX 77073 (US)

(72)	Inventor:
	KENT, Preben, H. Altadena, CA 91001 (US)

(74)	Representative: Patentanwälte Grünecker, Kinkeldey, Stockmair & Partner
	Maximilianstrasse 58 D-80538 München D-80538 München (DE)

(54)	LIQUID FLOW CONTROLLER HAVING PRESSURE BALANCED PISTON FOR DELIVERING CONSTANT FLOW