(19)
(11) EP 0 872 698 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.08.1999 Bulletin 1999/31

(43) Date of publication A2:
21.10.1998 Bulletin 1998/43

(21) Application number: 98302413.4

(22) Date of filing: 30.03.1998
(51) International Patent Classification (IPC)6: F28D 1/03, F28F 9/04
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 15.04.1997 JP 113397/97

(71) Applicant: ZEXEL CORPORATION
Tokyo (JP)

(72) Inventor:
  • Inoue, Seiji, c/o Zexel Corporation
    Konan-machi, Saitama (JP)

(74) Representative: Matthews, Howard Nicholas et al
Page Hargrave, Temple Gate House
Temple Gate, Bristol BS1 6PL
Temple Gate, Bristol BS1 6PL (GB)

 
Remarks:
A request for correction to the numbering of the Claims has been filed pursuant to Rule 88 EPC. A decision on the request will be taken during the proceedings before the Examining Division (Guidelines for Examination in the EPO, A-V, 3.).
 


(54) Laminated heat exchanger


(57) The intake / outlet portion (10) which is to be connected to the block type expansion valve (20) is constituted of a first intake / outlet formation portion (10A) for forming a coolant intake (53) and a coolant outlet (54) that is secured at the outside in the direction of lamination of the tube element (2) located at one of the outermost ends in the direction of the lamination and a second intake / outlet formation portion (10B) that is bonded face-to-face with the first intake / outlet formation portion (10A) in the direction of the lamination to form a coolant intake passage (63) communicating with the coolant intake and a coolant outlet passage (64) communicating with the coolant outlet. Tube elements (2), fins (3), the first and second intake / outlet formation portions (10A,10B) and end plates (4,5) are temporarily assembled and then brazed in a furnace to be formed as an integrated unit.






Search report