IMPROVED LOAD-PLUS VALVE FOR VARIABLE DISPLACEMENT PUMPS - Patent 0059712

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EP 0 059 712 A1

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(43)	Date of publication:
	15.09.1982 Bulletin 1982/37

(21)	Application number: 81901353.0

(22)	Date of filing: 12.09.1980

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International Patent Classification (IPC):

F16H 61/ 42^{( . )}
F04B 49/ 08^{( . )}

F04B 1/ 32^{( . )}

(86)	International application number:
	PCT/US1980/001193

(87)	International publication number:
	WO 1982/001045 (01.04.1982 Gazette 1982/09)

(84)	Designated Contracting States:
	DE FR GB

(71)	Applicant: CATERPILLAR TRACTOR CO.
	Peoria, Illinois 61629 (US)

(72)	Inventor:
	RUSEFF, Walter Z. New Lenox, IL 60451 (US)

(74)	Representative: Wagner, Karl H.
	WAGNER & GEYER Patentanwälte Gewuerzmuehlstrasse 5 Postfach 246 D-8000 München 22 D-8000 München 22 (DE)

(54)	IMPROVED LOAD-PLUS VALVE FOR VARIABLE DISPLACEMENT PUMPS