Global patent index - EP 0988198 A1

EP 0988198 A1 2000-03-29 - HYDRAULIC RETARDER

Title (en)

HYDRAULIC RETARDER

Title (de)

HYDRAULISCHER RETARDER

Title (fr)

RETARDATEUR HYDRAULIQUE

Publication

EP 0988198 A1 (DE)

Application

EP 99920630 A

Priority

  • DE 19816101 A
  • EP 9902427 W

Abstract (en)

[origin: DE19816101A1] The invention relates to a retarder (10), comprising a stator (12) and a rotor (14) which is rotationally mounted in said stator. The rotor (14) is coupled with the units (16) to be retarded, e.g. the drive train, gear shaft, motor shaft or similar. The retarder (10) is configured as a hydraulic retarder with a positive displacement circulation pump (18) with at least one pump chamber (20, 22). A controlled or regulated pressure valve (24) is allocated to said positive displacement circulation pump (18) on the delivery side. The retarder (10) is used preferably as an additional braking device, especially for vehicles such as heavy goods vehicles, automobiles or similar.

IPC 1-7 (main, further and additional classification)

B60T 1/093; F16D 57/06

IPC 8 full level (invention and additional information)

B60T 1/093 (2006.01); B60T 10/04 (2006.01); F16D 57/06 (2006.01)

CPC (invention and additional information)

F16D 57/06 (2013.01); B60T 1/093 (2013.01); B60T 10/04 (2013.01)

Citation (search report)

See references of WO 9952755A1

Designated contracting state (EPC)

DE ES FR GB IT SE

EPO simple patent family

DE 19816101 A1 19991021; DE 19816101 C2 20000511; EP 0988198 A1 20000329; WO 9952755 A1 19991021

INPADOC legal status

2003-01-29 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020720

2002-05-02 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20020318

2000-03-29 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991022

2000-03-29 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB IT SE