(19)
(11) EP 2 601 449 A2

(12)

(88) Date of publication A3:
28.06.2012

(43) Date of publication:
12.06.2013 Bulletin 2013/24

(21) Application number: 11815267.7

(22) Date of filing: 03.08.2011
(51) International Patent Classification (IPC): 
F24F 3/16(2006.01)
F25B 49/00(2006.01)
(86) International application number:
PCT/US2011/046442
(87) International publication number:
WO 2012/018926 (09.02.2012 Gazette 2012/06)
(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

(30) Priority: 04.08.2010 US 370793 P

(71) Applicant: Manitowoc Foodservice Companies, LLC
Manitowoc, WI 54220 (US)

(72) Inventors:
  • OLSON, William, E. Jr.
    Bellevue WI 54311 (US)
  • TIRUMALA, Ramesh, B.
    Lutz, Florida 33558 (US)

(74) Representative: von Kreisler Selting Werner 
Deichmannhaus am Dom Bahnhofsvorplatz 1
50667 Köln
50667 Köln (DE)

   


(54) METHOD AND SYSTEM FOR POWER CONTROL OF IONIC CLEANERS FOR ICE MACHINES USING PULSE WIDTH MODULATION