(19)

(11)

EP 2 430 312 A2

(12)

(88) Date of publication A3: 31.03.2011 (43) Date of publication: 21.03.2012 Bulletin 2012/12 (21) Application number: 10775346.9 (22) Date of filing: 10.05.2010

(51) International Patent Classification (IPC):  F04B 53/16(2006.01) F04B 43/02(2006.01) F04B 9/08(2006.01) F04B 45/04(2006.01) (86) International application number: PCT/US2010/034270 (87) International publication number: WO 2010/132374 (18.11.2010 Gazette 2010/46)

(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 SE SI SK SM TR (30) Priority: 10.05.2009 US 176939 P (71) Applicant: Pulsafeeder, Inc. Rochester, New York 14623 (US)	(72) Inventors: MUSCARELLA, Stephen, B. West Henrietta NY 14586 (US) YANUS, James, R. Rochester NY 14623 (US) (74) Representative: Davies, Robert Ean  Appleyard Lees 15 Clare Road Halifax Yorkshire HX1 2HY Halifax Yorkshire HX1 2HY (GB)