(19)
(11) EP 2 914 910 A1

(12)

(43) Date of publication:
09.09.2015 Bulletin 2015/37

(21) Application number: 13850425.3

(22) Date of filing: 31.10.2013
(51) International Patent Classification (IPC): 
F24J 3/08(2006.01)
(86) International application number:
PCT/US2013/067684
(87) International publication number:
WO 2014/070981 (08.05.2014 Gazette 2014/19)
(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: 31.10.2012 US 201261720601 P
02.10.2013 US 201314044549

(71) Applicant: Heng Sheng Investment Holdings Limited LLC
Waterloo, NE 68069 (US)

(72) Inventor:
  • XU, Sheng Heng
    Waterloo, NE 68069-4428 (US)

(74) Representative: Somervell, Thomas Richard 
Marks & Clerk LLP Alpha Tower Suffolk Street Queensway
Birmingham B1 1TT
Birmingham B1 1TT (GB)

   


(54) HEAT EXCHANGING AND ACCUMULATING SINGLE WELL FOR GROUND ENERGY COLLECTION