MAGNETIC DIRECT DRIVE RECIPROCATING PUMP APPARATUS AND METHOD WITH INTEGRAL PRESSURE SENSING - Patent 0880649

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EP 0 880 649 A1

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(43)	Date of publication:
	02.12.1998 Bulletin 1998/49

(21)	Application number: 97904001.0

(22)	Date of filing: 28.01.1997

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International Patent Classification (IPC):

G01L 7/ 00^{( . )}
F04B 49/ 06^{( . )}

F04B 17/ 04^{( . )}
G01N 30/ 32^{( . )}

(86)	International application number:
	PCT/US1997/001286

(87)	International publication number:
	WO 1997/030288 (21.08.1997 Gazette 1997/36)

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

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Priority:

14.02.1996 US 19960601092

(71)	Applicant: DIONEX CORPORATION
	Sunnyvale California 94086 (US)

(72)	Inventor:
	TULLSEN, Thomas, R. San Jose, CA 95132 (US)

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

(54)	MAGNETIC DIRECT DRIVE RECIPROCATING PUMP APPARATUS AND METHOD WITH INTEGRAL PRESSURE SENSING