Air conditioning apparatus and method having a refrigerating fluid which is not harmful to at least the ozone layer

(19)

(11)

EP 0 726 430 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	26.11.1997 Bulletin 1997/48

(43)	Date of publication A2:
	14.08.1996 Bulletin 1996/33

(21)	Application number: 96101582.3

(22)	Date of filing: 05.02.1996

(51)	International Patent Classification (IPC)⁶: F24F 11/02

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IE LI LU MC NL PT SE

(30)

Priority:

07.02.1995 IT MI950214

(71)	Applicant: DE' LONGHI S.P.A.
	I-31100 Treviso (IT)

(72)	Inventor:
	De' Longhi, Giuseppe I-31100 Treviso (IT)

(74)	Representative: Rapisardi, Mariacristina
	Ufficio Brevetti Rapisardi S.r.l., Largo V Alpini, 15 20145 Milano 20145 Milano (IT)

(54)	Air conditioning apparatus and method having a refrigerating fluid which is not harmful to at least the ozone layer

(57) The air conditioning apparatus, with a refrigerating fluid which is not harmful to at least the ozone layer, includes at least a first safety zone (5) wherein at least part of said electrical and/or electronic members of the apparatus are arranged; the safety zone has selected dimensions for preventing the formation of either minimum or maximum concentration of said coolant within said flammable limits; and at least a first chamber (6) comprising said electrical and/or electronic members adapted to operate the apparatus; the chamber is crossed by an air flow initially produced by the ventilator (4) for removing any minimum or maximum concentration of the coolant falling within said flammable limits, from the chamber.

Search report