Global patent index - EP 0977213 A1

EP 0977213 A1 2000-02-02 - Actuator for electromagnetic valve drive

Title (en)

Actuator for electromagnetic valve drive

Title (de)

Aktor zur elektromagnetischen Ventilsteuerung

Title (fr)

Actionneur pour commande électromagnétique de soupape

Publication

EP 0977213 A1 (DE)

Application

EP 99113752 A

Priority

  • DE 19834109 A
  • DE 19924417 A

Abstract (en)

The actuator includes two square, opposed magnetic yoke sections (OM, SM) for valve opening and closing respectively. These have coil-accommodating recesses (SF) formed into them. The inserted coils , and the recesses, are hollow-cylindrical, to reduce ohmic losses.

Abstract (de)

Die Erfindung betrifft einen Aktor zur elektromagnetischen Ventilsteuerung, bei dem das Spulenfenster im Joch des Öffnermagneten und im Joch des Schließermagneten sowie die in den Spulenfenstern angeordneten Erregerspulen zur Reduzierung von ohm'schen Verlusten die Form eines Hohlzylinders aufweisen. <IMAGE>

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

H01F 7/16; F01L 9/04

IPC 8 full level (invention and additional information)

F01L 9/04 (2006.01); H01F 7/16 (2006.01)

CPC (invention and additional information)

F01L 9/04 (2013.01); H01F 7/1638 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0977213 A1 20000202; JP 2000133517 A 20000512

INPADOC legal status

2000-08-30 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20000705

2000-08-23 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000624

2000-02-02 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-02-02 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI