EP 2114744 A1 20091111 - REGULATION OF AN AIR SPRING
Title (en)
REGULATION OF AN AIR SPRING
Title (de)
REGELUNG EINER LUFTFEDER
Title (fr)
REGULATION D'UN RESSORT PNEUMATIQUE
Publication
Application
Priority
- EP 2008050017 W 20080102
- DE 102007001342 A 20070103
Abstract (en)
[origin: WO2008081019A1] In order to disclose a device (1) having a pneumatic spring (2) for supporting a load on a bogie of a rail vehicle having a compressed air supply (4) which is pneumatically connected to the air spring (2) via an air spring valve (6) in order to vent and to fill the air spring (2) with compressed air, and having a control unit which is designed to adjust the air volume and/or the air pressure in the air spring (2) - a compressed air line (3) making available the pneumatic connection between the compressed air supply (4), air spring (2), air spring valve (6) and control unit - in which unnecessary filling and venting of the air spring (2) is prevented, means are proposed for limiting the volume flow (7) into the compressed air line (3) as a function of the speed of the rail vehicle.
IPC 8 full level
B61F 5/14 (2006.01)
CPC (source: EP US)
B61F 5/144 (2013.01 - EP US)
Citation (search report)
See references of WO 2008081019A1
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 MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008081019 A1 20080710; CN 101578215 A 20091111; CN 101578215 B 20110706; DE 102007001342 A1 20080717; EP 2114744 A1 20091111; EP 2114744 B1 20120801; RU 2009129539 A 20110210; RU 2462380 C2 20120927; US 2010102520 A1 20100429; US 8196524 B2 20120612
DOCDB simple family (application)
EP 2008050017 W 20080102; CN 200880001647 A 20080102; DE 102007001342 A 20070103; EP 08701204 A 20080102; RU 2009129539 A 20080102; US 52201708 A 20080102