(19)

(11)

EP 2 820 298 A1

(12)

(43) Date of publication: 07.01.2015 Bulletin 2015/02 (21) Application number: 13706325.1 (22) Date of filing: 25.01.2013

(51) International Patent Classification (IPC):  F04B 35/00(2006.01) F04B 39/06(2006.01) F02C 6/16(2006.01) F15B 1/02(2006.01) F03D 9/02(2006.01) F04B 53/08(2006.01) F04F 1/02(2006.01) F15B 1/24(2006.01) (86) International application number: PCT/US2013/023227 (87) International publication number: WO 2013/112892 (01.08.2013 Gazette 2013/31)

(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: 25.01.2012 US 201261590383 P 25.01.2012 US 201261590402 P (71) Applicant: General Compression Inc. Newton, Massachusetts 02458 (US)	(72) Inventors: INGERSOLL, Eric, D. Cambridge, MA 02138 (US) MAUNUS, Jeremy, Robert Cambridge, MA 02139 (US) (74) Representative: Haley, Stephen  Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)