METHOD AND APPARATUS FOR MEASURING THE ROTARY MOVEMENT OF OBJECTS, ESPECIALLY THE ROTARY VELOCITY OF A ROTATING BODY AND THE VORTICITY IN A FLOWING MEDIUM

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EP 0 240 522 A1

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(43)	Date of publication:
	14.10.1987 Bulletin 1987/42

(21)	Application number: 86905749.0

(22)	Date of filing: 08.09.1986

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International Patent Classification (IPC):

G01P 3/ 36^{( . )}
G01S 17/ 58^{( . )}

G01P 5/ 26^{( . )}

(86)	International application number:
	PCT/DK1986/000101

(87)	International publication number:
	WO 1987/001496 (12.03.1987 Gazette 1987/06)

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

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Priority:

09.09.1985 DK 19850004097

(71)	Applicant: FORSOGSANLAEG RISO
	D-4000 Roskilde (DK)

(72)	Inventor:
	HANSON, Vagn, Steen, Grüner DK-4640 Fakse (DK)

(54)	METHOD AND APPARATUS FOR MEASURING THE ROTARY MOVEMENT OF OBJECTS, ESPECIALLY THE ROTARY VELOCITY OF A ROTATING BODY AND THE VORTICITY IN A FLOWING MEDIUM