EP 1013998 A3 20010425 - Method for controlling of gas fired water heaters
Title (en)
Method for controlling of gas fired water heaters
Title (de)
Regelverfahren für gasbeheizte Wassererhitzer
Title (fr)
Procédé de commande pour chauffe-eau à gaz
Publication
Application
Priority
DE 19858994 A 19981221
Abstract (en)
[origin: EP1013998A2] The method involves performing a calibration of the two sensors at fixed time points after switching the bas burner off by balancing their generated electrical signals, especially voltage signals. The water temp. sensor is a negative temp. coefficient sensor in a feed line to the water heater.
IPC 1-7
IPC 8 full level
F23N 1/08 (2006.01); F23N 5/10 (2006.01); F23N 5/14 (2006.01); F23N 5/24 (2006.01)
CPC (source: EP)
F23N 1/082 (2013.01); F23N 5/10 (2013.01); F23N 5/14 (2013.01); F23N 5/24 (2013.01); F23N 2225/16 (2020.01); F23N 2225/18 (2020.01)
Citation (search report)
- [A] US 4913128 A 19900403 - ADACHI IKURO [JP]
- [A] DE 3042670 A1 19811001 - NEOTRONICS LTD [GB]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1013998 A2 20000628; EP 1013998 A3 20010425; EP 1013998 B1 20030625; DE 19858994 A1 20000629; DE 59906085 D1 20030731
DOCDB simple family (application)
EP 99115367 A 19990804; DE 19858994 A 19981221; DE 59906085 T 19990804