Global patent index - EP 0996817 A1

EP 0996817 A1 2000-05-03 - BUTTERFLY VALVE ACTUATOR

Title (en)

BUTTERFLY VALVE ACTUATOR

Title (de)

DROSSELKLAPPENBETÄTIGUNGSVORRICHTUNG

Title (fr)

ORGANE D'ACTIONNEMENT DE VANNE PAPILLON

Publication

EP 0996817 A1 (EN)

Application

EP 98932391 A

Priority

  • GB 9801997 W
  • GB 9714888 A

Abstract (en)

[origin: WO9904149A1] An actuator for mechanical or electrical actuation of a butterfly valve is able to move between fixed positions, and to move a butterfly between fixed end stops whilst accommodating tolerances. The actuator includes a compressible link (18, 21, 27) and levers (15, 19, 23) arranged to give positive travel insensitive movement of the butterfly (14).

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

F02D 9/06; F02D 11/04; F16K 31/44

IPC 8 full level (invention and additional information)

F02D 9/06 (2006.01); F02D 11/04 (2006.01); F16K 31/44 (2006.01)

CPC (invention and additional information)

F02D 11/04 (2013.01); F02D 9/06 (2013.01); F16K 31/44 (2013.01)

Citation (search report)

See references of WO 9904149A1

Designated contracting state (EPC)

DE FR GB IT SE

EPO simple patent family

WO 9904149 A1 19990128; BR 9811698 A 20000926; EP 0996817 A1 20000503; GB 9714888 D0 19970917

INPADOC legal status

2000-09-20 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20000724

2000-05-03 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000113

2000-05-03 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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