EP 0093150 A4 19840810 - DIGITAL DRIVE CONTROL OF COMPENSATED VALVES.
Title (en)
DIGITAL DRIVE CONTROL OF COMPENSATED VALVES.
Title (de)
DIGITALE STEUERUNG EINES KOMPENSIERTENVENTILS.
Title (fr)
COMMANDE NUMERIQUE D'ENTRAINEMENT DE VANNES COMPENSEES.
Publication
Application
Priority
US 31976581 A 19811109
Abstract (en)
[origin: WO8301662A1] A digital servo valve (10) with valve spool (19) driven in discrete steps by a digital spool actuator (78, 79), while the servo valve (10) is provided with positive and negative load compensation.
IPC 1-7
IPC 8 full level
F15B 11/044 (2006.01); F15B 11/13 (2006.01); F15B 13/04 (2006.01); F15B 21/02 (2006.01)
CPC (source: EP)
F15B 11/0445 (2013.01); F15B 11/13 (2013.01); F15B 13/04 (2013.01); F15B 13/0417 (2013.01); F15B 2211/20553 (2013.01); F15B 2211/30505 (2013.01); F15B 2211/30535 (2013.01); F15B 2211/3138 (2013.01); F15B 2211/324 (2013.01); F15B 2211/327 (2013.01); F15B 2211/634 (2013.01); F15B 2211/761 (2013.01)
Citation (search report)
[A] DE 2746832 A1 19780420 - HAWKER SIDDELEY DYNAMICS ENG
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 8301662 A1 19830511; CA 1196253 A 19851105; EP 0093150 A1 19831109; EP 0093150 A4 19840810; JP S58501871 A 19831104
DOCDB simple family (application)
US 8201415 W 19821020; CA 414250 A 19821027; EP 82903404 A 19821020; JP 50338382 A 19821020