(19)

(11)

EP 0 200 722 A1

(12)

(43) Date of publication: 12.11.1986 Bulletin 1986/46 (21) Application number: 84904190.0 (22) Date of filing: 24.10.1984

(51) International Patent Classification (IPC):  F04B 9/ 105( . ) F04B 13/ 00( . ) G01F 11/ 02( . ) F04B 11/ 00( . ) F04B 49/ 06( . ) (86) International application number: PCT/SE1984/000357 (87) International publication number: WO 1985/001993 (09.05.1985 Gazette 1985/11)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 01.11.1983 SE 19830005997 (71) Applicant: AB ROVAC S-511 04 Kinna (SE)	(72) Inventor: LENNARTSSON, Kent S-511 04 Kinna (SE)