EP 2213821 B1 20161116 - Drive for fire doors
Title (en)
Drive for fire doors
Title (de)
Antrieb für Brandschutztüren
Title (fr)
Entraînement pour portes coupe-feu
Publication
Application
Priority
DE 102009000446 A 20090128
Abstract (en)
[origin: EP2213821A2] The drive has a compensation unit for compensating volume of a hydraulic fluid of the drive, where the volume is enlarged by heat expansion. The compensation unit is provided at a housing of the drive for compensating the heat expansion for a temperature range above a spectrum of temperatures of hydraulic fluid, where the temperatures of the hydraulic fluid are appeared during normal operation. The compensation unit is limited by a hollow body, and an irreversible deformable region of the hollow body consists of metal or plastic.
IPC 8 full level
E05F 15/50 (2015.01)
CPC (source: EP)
E05F 1/006 (2013.01); E05F 3/10 (2013.01); E05F 3/04 (2013.01); E05F 15/50 (2015.01); E05Y 2800/00 (2013.01); E05Y 2800/414 (2013.01); E05Y 2800/416 (2013.01); E05Y 2800/674 (2013.01); E05Y 2800/676 (2013.01); E05Y 2800/678 (2013.01); E05Y 2900/134 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2213821 A2 20100804; EP 2213821 A3 20140507; EP 2213821 B1 20161116
DOCDB simple family (application)
EP 10151810 A 20100127