(19)
(11) EP 0 148 829 A1

(12)

(43) Date of publication:
24.07.1985 Bulletin 1985/30

(21) Application number: 83902708.0

(22) Date of filing: 18.07.1983
(51) International Patent Classification (IPC): 
G01N 27/ 409( . )
G01N 27/ 406( . )
G01N 27/ 417( . )
G01N 27/ 27( . )
G01N 27/ 407( . )
(86) International application number:
PCT/US1983/001105
(87) International publication number:
WO 1985/000660 (14.02.1985 Gazette 1985/04)
(84) Designated Contracting States:
DE GB NL

(71) Applicants:
  • Ford Motor Company
    Dearborn, MI 48121 (US)
  • FORD MOTOR COMPANY LIMITED
    Brentwood, Essex CM13 3BW (GB)
  • FORD-WERKE AKTIENGESELLSCHAFT
    D-50725 Köln (DE)

(72) Inventors:
  • HETRICK, Robert, E.
    Dearborn Heights, MI 48127 (US)
  • LOGOTHETIS, Eleftherios, M.
    Birmingham, MI 48009 (US)

(74) Representative: Messulam, Alec Moses, et al 
A. Messulam & Co. 24 Broadway
Leigh on Sea Essex SS9 1BN
Leigh on Sea Essex SS9 1BN (GB)

   


(54) STEADY-STATE METHOD FOR DETERMINING RICH AIR/FUEL RATIOS