EP 0829894 A1 19980318 - Hydraulic drive
Title (en)
Hydraulic drive
Title (de)
Hydraulischer Antrieb
Title (fr)
Moteur hydraulique
Publication
Application
Priority
DE 19637050 A 19960912
Abstract (en)
The hydraulic drive has a piston Ä13Ü in a cylinder Ä12Ü and has a coupled piston rod Ä14Ü that is displaced to operate a high voltage circuit breaker switch Ä15Ü. The pressurised fluid is supplied from a pressure cylinder Ä16Ü in a base unit via a damping element Ä30Ü. The cylinder has a pair of pistons Ä18,19Ü that are coupled to spring stack elements Ä22,23Ü that load the system.
IPC 1-7
IPC 8 full level
F15B 15/14 (2006.01); F16J 10/00 (2006.01); H01H 33/34 (2006.01)
CPC (source: EP)
H01H 33/34 (2013.01)
Citation (search report)
- [DA] DE 9111861 U1 19911114
- [A] US 4716812 A 19880105 - KOERNER GERHARD [DE], et al
Designated contracting state (EPC)
CH DE FR GB LI NL SE
DOCDB simple family (publication)
EP 0829894 A1 19980318; EP 0829894 B1 19990303; DE 19637050 A1 19980319; DE 59700101 D1 19990408; JP H10184607 A 19980714; KR 19980024179 A 19980706
DOCDB simple family (application)
EP 97115487 A 19970908; DE 19637050 A 19960912; DE 59700101 T 19970908; JP 24716497 A 19970911; KR 19970040878 A 19970826