SCROLL-TYPE FLUID DISPLACEMENT DEVICE HAVING HIGH BUILT-IN VOLUME RATIO AND SEMI-COMPLIANT BIASING MECHANISM - Patent 0742869

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EP 0 742 869 A1

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(43)	Date of publication:
	20.11.1996 Bulletin 1996/47

(21)	Application number: 94912735.0

(22)	Date of filing: 26.01.1994

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International Patent Classification (IPC):

F01C 1/ 02^{( . )}
F04C 27/ 00^{( . )}

F04C 18/ 02^{( . )}
F04C 28/ 28^{( . )}

(86)	International application number:
	PCT/US1994/001031

(87)	International publication number:
	WO 1995/020719 (03.08.1995 Gazette 1995/33)

(84)	Designated Contracting States:
	DE FR IT SE

(71)	Applicant: Ni, Shimao
	Willowbrook, Illinois 60514 (US)

(72)	Inventor:
	Ni, Shimao Willowbrook, Illinois 60514 (US)

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

(54)	SCROLL-TYPE FLUID DISPLACEMENT DEVICE HAVING HIGH BUILT-IN VOLUME RATIO AND SEMI-COMPLIANT BIASING MECHANISM