(19)

(11)

EP 1 963 756 A2

(12)

(88) Date of publication A3: 19.04.2007 (43) Date of publication: 03.09.2008 Bulletin 2008/36 (21) Application number: 06795223.4 (22) Date of filing: 09.08.2006

(51) International Patent Classification (IPC):  F25B 9/00(2006.01) F25B 23/00(2006.01) (86) International application number: PCT/IB2006/002176 (87) International publication number: WO 2007/017741 (15.02.2007 Gazette 2007/07)

(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 NL PL PT RO SE SI SK TR (30) Priority: 11.08.2005 US 707257 P (71) Applicant: Machflow Energy, Inc. Worcester, MA 01610 (US)	(72) Inventors: WILLIAMS, Arthur R. Worcester, MA 01610 (US) AGOSTA, Charles C. Worcester, MA 01610 (US) (74) Representative: Allsop, John Rowland et al MacLeod Allsop Island House Lower High Street Burford Oxfordshire OX18 4RR Burford Oxfordshire OX18 4RR (GB)