(19)
(11) EP 1 354 180 A1

(12)

(43) Date of publication:
22.10.2003 Bulletin 2003/43

(21) Application number: 01272934.9

(22) Date of filing: 22.11.2001
(51) International Patent Classification (IPC)7G01F 1/68
(86) International application number:
PCT/KR0102/016
(87) International publication number:
WO 0205/4020 (11.07.2002 Gazette 2002/28)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 28.12.2000 KR 2000084326
11.07.2001 KR 2001041670
29.08.2001 KR 2001052398

(71) Applicant: Ses Tech Co., Ltd
330-860 Chunan-SI,Choongchungnam-Do (KR)

(72) Inventor:
  • CHANG, Young-Chul
    330-090 CHUNAN-SI,CHOONGCHUNGNAM-DO (KR)

(74) Representative: Dempster, Benjamin John Naftel et al
Withers & Rogers,Goldings House,2 Hays Lane
London SE1 2HW
London SE1 2HW (GB)

   


(54) TIME BASED MASS FLOW CONTROLLER AND METHOD FOR CONTROLLING FLOW RATE USING IT