(19)
(11) EP 2 948 647 A1

(12)

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

(21) Application number: 14704724.5

(22) Date of filing: 28.01.2014
(51) International Patent Classification (IPC): 
F01K 23/10(2006.01)
(86) International application number:
PCT/US2014/013393
(87) International publication number:
WO 2014/117152 (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: 28.01.2013 US 201361757533 P
10.04.2013 US 201361810579 P
25.04.2013 US 201361816143 P

(71) Applicant: Eaton Corporation
Cleveland OH 44122 (US)

(72) Inventors:
  • EYBERGEN, William, Nicholas
    Harrison Twp. MI 48045 (US)
  • PRYOR, Martin, D.
    Canton, MI 48187 (US)
  • HUNTER, Gary, Lee
    Dexter, MI 48130 (US)

(74) Representative: Schwan Schorer & Partner mbB 
Patentanwälte Bauerstrasse 22
80796 München
80796 München (DE)

   


(54) VOLUMETRIC ENERGY RECOVERY SYSTEM WITH THREE STAGE EXPANSION