(19)
(11) EP 0 990 108 A1

(12)

(43) Date of publication:
05.04.2000 Bulletin 2000/14

(21) Application number: 98928467.4

(22) Date of filing: 12.06.1998
(51) International Patent Classification (IPC)7F25J 3/06, F25J 1/02
(86) International application number:
PCT/GB9801/720
(87) International publication number:
WO 9857/108 (17.12.1998 Gazette 1998/50)
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 12.06.1997 GB 9712304

(71) Applicants:
  • Costain Oil, Gas & Process Limited
    Manchester M22 5WN (GB)
  • The BOC Group plc
    WindleshamSurrey GU20 6HJ (GB)

(72) Inventors:
  • ISALSKI, Wieslaw, Henryk
    Cheshire M33 1NJ (GB)
  • LINNETT, David, Thomas
    Herts EN11 9AZ (GB)
  • LAVIN, John, Terence
    Surrey GU1 2NF (GB)
  • BOUSTEAD, Philip
    Oldham OL2 6TT (GB)
  • FINN, Adrian, Joseph
    Sowerby Bridge,West Yorkshire HX6 3HU (GB)
  • TOMLINSON, Terence, Ronald
    Stockport SK7 5HG (GB)

(74) Representative: Colmer, Stephen Gary et al
Mathys & Squire100 Gray's Inn Road
London WC1X 8AL
London WC1X 8AL (GB)

   


(54) TWO STAGED REFRIGERATION CYCLE USING A MULTICONSTITUANT REFRIGERANT