EP 0050656 B1 19850626 - INTEGRAL HYDRAULIC BLOCKING AND RELIEF VALVE
Title (en)
INTEGRAL HYDRAULIC BLOCKING AND RELIEF VALVE
Publication
Application
Priority
US 14551180 A 19800501
Abstract (en)
[origin: WO8103208A1] An integral hydraulic blocking and relief valve (12) for use in an aircraft night power actuator (60) includes a unique stepped piston assembly (PA and PB) referenced to return or relieve system pressure (P) at the same, predetermined level, independent of any influence due to the system pressure (P), and control valve means (20) for controlling hydraulic system fluid to the hydraulic blocking and relief valve (12) for actuating the night power actuator (60).
IPC 1-7
IPC 8 full level
F15B 13/01 (2006.01)
CPC (source: EP)
F15B 13/01 (2013.01)
Designated contracting state (EPC)
DE FR GB NL SE
DOCDB simple family (publication)
WO 8103208 A1 19811112; EP 0050656 A1 19820505; EP 0050656 A4 19820903; EP 0050656 B1 19850626
DOCDB simple family (application)
US 8100536 W 19810423; EP 81901259 A 19810423