EP 0084754 B2 19911211 - BACK FLOW PREVENTER FOR HYDRAULIC CONDUITS
Title (en)
BACK FLOW PREVENTER FOR HYDRAULIC CONDUITS
Publication
Application
Priority
EP 82420018 A 19820126
Abstract (en)
[origin: US4478236A] The invention concerns a hydraulic disconnector to separate an inflow circuit from outflow from an outflow circuit. Controlled by the membrane, the valve opens the drainage of chamber if the outflow circuit flows back in the direction of the arrow. The spring opens this drainage even if the membrane is punctured.
IPC 1-7
IPC 8 full level
E03C 1/10 (2006.01)
CPC (source: EP US)
E03C 1/106 (2013.01 - EP US); E03C 1/108 (2013.01 - EP US); Y10T 137/2557 (2015.04 - EP US); Y10T 137/3331 (2015.04 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0084754 A1 19830803; EP 0084754 B1 19850925; EP 0084754 B2 19911211; AT E15822 T1 19851015; CA 1210665 A 19860902; DE 3266453 D1 19851031; US 4478236 A 19841023
DOCDB simple family (application)
EP 82420018 A 19820126; AT 82420018 T 19820126; CA 398392 A 19820315; DE 3266453 T 19820126; US 34974882 A 19820218