Global Patent Index - EP 0986705 A1

EP 0986705 A1 2000-03-22 - INTERNAL COMBUSTION ENGINES

Title (en)

INTERNAL COMBUSTION ENGINES

Title (de)

BRENNKRAFTMASCHINEN

Title (fr)

MOTEURS A COMBUSTION INTERNE

Publication

EP 0986705 A1 (EN)

Application

EP 98925817 A

Priority

  • GB 9801615 W
  • GB 9711445 A

Abstract (en)

[origin: WO9855753A1] The invention relates to a four-valve combustion chamber for an internal combustion engine and to a cylinder head and internal combustion engine incorporating the same. The combustion chamber comprises a pair of adjacent elongate part-spherical cavities or sub-chambers (8', 8") with their longer axes (X', X") converging in a direction from the inlet valve seats (5, 5") of the sub-chambers towards the exhaust valve seats (6', 6") thereof and with a ridge (11) therebetween.

IPC 1-7 (main, further and additional classification)

F02F 1/42

IPC 8 full level (invention and additional information)

F02B 23/08 (2006.01); F02F 1/24 (2006.01); F02F 1/42 (2006.01)

CPC (invention and additional information)

F02F 1/4214 (2013.01); F02F 2001/245 (2013.01)

Citation (search report)

See references of WO 9855753A1

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

WO 9855753 A1 19981210; EP 0986705 A1 20000322; GB 9711445 D0 19970730; JP 2002502476 A 20020122

INPADOC legal status


2002-06-12 [18R] REFUSED

- Effective date: 20020126

2001-07-04 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010523

2001-04-04 [RTI1] TITLE (CORRECTION)

- Free text: FOUR-VALVE COMBUSTION CHAMBER FOR AN INTERNAL COMBUSTION ENGINE

2000-03-22 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991227

2000-03-22 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FR GB IT