Global Patent Index - EP 2054284 A2

EP 2054284 A2 20090506 - SERVOBRAKE

Title (en)

SERVOBRAKE

Title (de)

BREMSKRAFTVERSTÄRKER

Title (fr)

SERVOFREIN

Publication

EP 2054284 A2 20090506 (DE)

Application

EP 07788297 A 20070807

Priority

  • EP 2007058200 W 20070807
  • DE 102006038509 A 20060817
  • DE 102006053142 A 20061110

Abstract (en)

[origin: WO2008019974A2] The invention relates to a servobrake for motor vehicles, the control valve (12) of which can be actuated by means of an electromagnet (20), independently of an actuating rod (7) that displaces a valve piston (9), said electromagnet actuating a third seal seat (24) that permits the ventilation of the working chamber (4). The third seal seat (24) is configured on a sleeve (32) that cooperates with the electromagnet (20). An annular element (36), that is arranged so that it can be displaced in relation to the third seal seat (24), is supported on the sleeve (32) by means of an elastic or compressible element (37). According to the invention, in order to improve the noise behaviour of the servobrake, the annular element (36) comprises means for guiding an air flow (L) produced during normal braking in the direction of the working chamber (4).

IPC 8 full level

B60T 13/57 (2006.01); B60T 13/72 (2006.01)

CPC (source: EP KR US)

B60T 13/57 (2013.01 - EP KR US); B60T 13/72 (2013.01 - EP KR US)

Citation (search report)

See references of WO 2008019974A2

Designated contracting state (EPC)

DE

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

DE 102006053142 A1 20080221; EP 2054284 A2 20090506; JP 2010500945 A 20100114; KR 20090052879 A 20090526; US 2010192763 A1 20100805; US 8297178 B2 20121030; WO 2008019974 A2 20080221; WO 2008019974 A3 20080410

DOCDB simple family (application)

DE 102006053142 A 20061110; EP 07788297 A 20070807; EP 2007058200 W 20070807; JP 2009524171 A 20070807; KR 20097005407 A 20090316; US 37719307 A 20070807