ROTARY PISTON MACHINE SEAL - Patent 0494912

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EP 0 494 912 A1

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(43)	Date of publication:
	22.07.1992 Bulletin 1992/30

(21)	Application number: 90914647.0

(22)	Date of filing: 04.10.1990

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International Patent Classification (IPC):

F01C 1/ 22^{( . )}
F01C 19/ 08^{( . )}
F04C 2/ 00^{( . )}

F01C 19/ 06^{( . )}
F01C 19/ 10^{( . )}

(86)	International application number:
	PCT/AU1990/000478

(87)	International publication number:
	WO 1991/005144 (18.04.1991 Gazette 1991/09)

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

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Priority:

04.10.1989 AU 19890006703

(71)	Applicant: ARCHIMEDES ASSOCIATES, INC.
	Groton, CT 06340 (US)

(72)	Inventor:
	UEBEL, Helmuth, Richard Groton, Connecticut 06340 (US)

(74)	Representative: Bayliss, Geoffrey Cyril, et al
	BOULT, WADE & TENNANT 27 Furnival Street London EC4A 1PQ London EC4A 1PQ (GB)

(54)	ROTARY PISTON MACHINE SEAL