(19)
(11) EP 1 046 805 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
29.08.2001 Bulletin 2001/35

(43) Date of publication A2:
25.10.2000 Bulletin 2000/43

(21) Application number: 00303319.8

(22) Date of filing: 19.04.2000
(51) International Patent Classification (IPC)7: F02F 7/00, F02F 1/00, F02B 77/02, F02F 3/12
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 23.04.1999 GB 9909284

(71) Applicant: Howie, Robin Middlemass
Edinburgh, EH1O 4DB (GB)

(72) Inventor:
  • Howie, Robin Middlemass
    Edinburgh, EH1O 4DB (GB)

   


(54) Internal combustion engine


(57) A means of improving the performance of internal combustion engines by coating the surfaces of combustion chambers, such as cylinder heads, inlet and outlet valves, and piston crowns, and inlet and exhaust valve ports with a layer of low thermal mass formed from a suitable combination of thermally conducting and thermally insulating materials.






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