(19)
(11) EP 2 530 401 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.11.2014 Bulletin 2014/47

(43) Date of publication A2:
05.12.2012 Bulletin 2012/49

(21) Application number: 12170277.3

(22) Date of filing: 31.05.2012
(51) International Patent Classification (IPC): 
F24H 4/04(2006.01)
F24D 11/02(2006.01)
 F24H 9/14(2006.01)
(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: 31.05.2011 JP 2011121360

(71) Applicant: Panasonic Corporation
Osaka 571-8501 (JP)

(72) Inventors:
  • Nakatani, Kazuhito
    Chuoku, OSAKA, 540-6207 (JP)
  • Ikeda, Hidekazu
    Chuo-ku, OSAKA, 540-6207 (JP)
  • Nomura, Masakazu
    Chuo-ku, OSAKA, 540-6207 (JP)
  • Yamamura, Naoto
    Chuo-ku, OSAKA, 540-6207 (JP)

(74) Representative: Eisenführ Speiser 
Patentanwälte Rechtsanwälte PartGmbB Postfach 31 02 60
80102 München
80102 München (DE)

   


(54) Heat pump hydronic heater


(57) A heat pump hydronic heater of the present invention includes: a sheath body 36 in which a refrigerant circuit 8 and a water refrigerant heat exchanger 5 are provided; an external radiator 2 which circulates a heating medium heated by the water refrigerant heat exchanger 5 and which makes the heating medium dissipate heat; and a heating medium outward port 21 and a heating medium return port 23 which connect the sheath body 36 and the external radiator 2 to each other through a pipe 3. A convex portion 41 is provided on a side of the sheath body 36. The heat pump hydronic heater of the invention has high workability, efficiency thereof can be enhanced, maintenance performance thereof is excellent, and the heat pump hydronic heater can be designed compactly.







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