Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PETZ ELEKTRO WAERME TECHN
Original Assignee
PETZ ELEKTRO WAERME TECHN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19732308275external-prioritypatent/DE2308275A1/de
Priority claimed from DE19732308274external-prioritypatent/DE2308274B2/de
Application filed by PETZ ELEKTRO WAERME TECHNfiledCriticalPETZ ELEKTRO WAERME TECHN
Publication of FR2218537A1publicationCriticalpatent/FR2218537A1/fr
Application grantedgrantedCritical
Publication of FR2218537B3publicationCriticalpatent/FR2218537B3/fr
F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
F24H3/00—Air heaters
F24H3/02—Air heaters with forced circulation
F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between