(19)
(11) EP 2 004 998 A2

(12)

(88) Date of publication A3:
26.06.2008

(43) Date of publication:
24.12.2008 Bulletin 2008/52

(21) Application number: 07760383.5

(22) Date of filing: 10.04.2007
(51) International Patent Classification (IPC): 
F04B 17/00(2006.01)
F04B 35/04(2006.01)
(86) International application number:
PCT/US2007/066310
(87) International publication number:
WO 2007/121168 (25.10.2007 Gazette 2007/43)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 11.04.2006 US 401769

(71) Applicant: EMP ADVANCED DEVELOPMENT, LLC
Escanaba, MI 49829 (US)

(72) Inventors:
  • PIPKORN, Nicholas T.
    Gladstone, MI 49837 (US)
  • STEPHENS, Todd R.
    Marquette, MI 49855 (US)
  • CARLSON, Jeremy S.
    Gladstone, MI 49837 (US)
  • ALLEN, David J.
    Gladstone, MI 49837 (US)
  • BADER, Mark S.
    Gladstone, MI 49837 (US)
  • TURNER, Michael D.
    Plymouth, MI 48170 (US)

(74) Representative: Miller, James Lionel Woolverton 
Kilburn & Strode, 20 Red Lion Street
London WC1R 4PJ
London WC1R 4PJ (GB)

   


(54) ROTARY FAN WITH ENCAPSULATED MOTOR ASSEMBLY