Electric heater with ptc elements, particularly for motor vehicle cabin ventilation systems

(19)

(11)

EP 1 370 117 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	01.12.2004 Bulletin 2004/49

(43)	Date of publication A2:
	10.12.2003 Bulletin 2003/50

(21)	Application number: 03011155.3

(22)	Date of filing: 26.05.2003

(51)	International Patent Classification (IPC)⁷: H05B 3/14, H05B 3/50, F24H 3/04, F24H 9/18, B60H 1/22

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

(30)

Priority:

05.06.2002 IT MI20021226

(71)	Applicant: CEBI S.p.A.
	I-10090 Cascine Vica Rivoli (Torino) (IT)

(72)	Inventor:
	Fusaro, Duilio 10098 Rivoli (Prov.of Torino) (IT)

(74)	Representative: Modiano, Guido, Dr.-Ing. et al
	Modiano & Associati, Via Meravigli, 16 20123 Milano 20123 Milano (IT)

(54)	Electric heater with ptc elements, particularly for motor vehicle cabin ventilation systems

(57) An electric heater with PTC elements, particularly for motor vehicle cabin ventilation systems, comprising at least one radiating element (2) and at least one PTC element (3) that can be supplied with electric power and is adapted to transmit heat to the radiating element (2), the radiating element comprising an extruded body that has a plurality of fins (4) in order to increase its heat exchange surface, the provision of the radiating element (2) as an extruded body producing greater compactness, better efficiency in transmission of the generated heat, and simpler assembly of the heater.

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