(19)
(11) EP 2 948 726 A2

(12)

(88) Date of publication A3:
02.10.2014

(43) Date of publication:
02.12.2015 Bulletin 2015/49

(21) Application number: 14742909.6

(22) Date of filing: 23.01.2014
(51) International Patent Classification (IPC): 
F28F 9/22(2006.01)
(86) International application number:
PCT/US2014/012706
(87) International publication number:
WO 2014/116805 (31.07.2014 Gazette 2014/31)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 25.01.2013 US 201361756784 P

(71) Applicant: Laars Heating Systems Company
Rochester, NH 03867 (US)

(72) Inventors:
  • HODSDON, Andrew, R.
    Berwick, ME 03901 (US)
  • HOLIDAY, Christopher, J.
    Alton Bay, NH 03810 (US)
  • WALTERS, Bertram, L.
    Duxbury, MA 02332 (US)

(74) Representative: Winter, Brandl, Fürniss, Hübner, Röss, Kaiser, Polte - Partnerschaft mbB 
Patent- und Rechtsanwaltskanzlei Bavariaring 10
80336 München
80336 München (DE)

   


(54) HEAT EXCHANGER HAVING A COMPACT DESIGN