Global Patent Index - EP 1163690 A1

EP 1163690 A1 2001-12-19 - IMPROVEMENTS RELATING TO THERMAL CONTROLS

Title (en)

IMPROVEMENTS RELATING TO THERMAL CONTROLS

Title (de)

VERBESSERTE TEMPERATURREGULIERUNGEN

Title (fr)

AMELIORATION DE COMMANDES THERMIQUES

Publication

EP 1163690 A1 (EN)

Application

EP 00906497 A

Priority

  • GB 0000694 W
  • GB 9904391 A

Abstract (en)

[origin: GB2347271A] A steam control for switching off the heating element of a water boiling vessel comprises a snap-acting bimetal 16 arranged to determine the condition of an overcentre mechanism via a push-rod 11. The overcentre mechanism comprises a trip lever 3 and a stressed spring 2 arranged mechanically in series between spaced-apart abutment (4, 5, Fig. 1). To avoid loading the bimetal by the push-rod and the overcentre mechanism as the bimetal approaches its operating temperature, the push-rod is made relatively short so that it does not apply force to the overcentre mechanism, and correspondingly load the bimetal, until after the bimetal itself has moved overcentre. The trip lever is movable for resetting the bimetal beyond its normal cold condition rest position against spring bias, the additional trip lever movement providing additional movement to the push-rod for resetting the bimetal.

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

H01H 37/54; H01H 37/70

IPC 8 full level (invention and additional information)

H01H 37/54 (2006.01); H01H 3/48 (2006.01); H01H 37/60 (2006.01)

CPC (invention and additional information)

H01H 37/5409 (2013.01); H01H 3/48 (2013.01); H01H 37/60 (2013.01)

Citation (search report)

See references of WO 0051151A1

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

GB 0004564 D0 20000419; GB 2347271 A 20000830; GB 2347271 B 20030507; AU 2815500 A 20000914; CN 1339168 A 20020306; EP 1163690 A1 20011219; GB 9904391 D0 19990421; WO 0051151 A1 20000831

INPADOC legal status


2002-03-06 [18W] APPLICATION WITHDRAWN

- Date of withdrawal: 20020107

2001-12-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010919

2001-12-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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

2001-12-19 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI