(19)
(11)
EP 1 656 504 A1
(12)
(43)
Date of publication:
17.05.2006
Bulletin 2006/20
(21)
Application number:
04767951.9
(22)
Date of filing:
02.08.2004
(51)
International Patent Classification (IPC):
F04C
23/00
(1968.09)
F04C
18/12
(1980.01)
F04C
29/00
(1968.09)
(86)
International application number:
PCT/GB2004/003316
(87)
International publication number:
WO 2005/019652
(
03.03.2005
Gazette 2005/09)
(84)
Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
(30)
Priority:
18.08.2003
GB 0319344
(71)
Applicant:
The BOC Group plc
Windlesham Surrey GU20 6HJ (GB)
(72)
Inventor:
HUNTLEY, Graeme
Bridgwater, Somerset TA6 7PH (GB)
(74)
Representative:
Booth, Andrew Steven
The BOC Group plc, Chertsey Road
Windlesham, Surrey GU20 6HJ
Windlesham, Surrey GU20 6HJ (GB)
(54)
REDUCING EXHAUST PULSATION IN DRY PUMPS