Global patent index - EP 1049870 A1

EP 1049870 A1 2000-11-08 - FUEL INJECTOR FOR AN INTERNAL COMBUSTION ENGINE

Title (en)

FUEL INJECTOR FOR AN INTERNAL COMBUSTION ENGINE

Title (de)

KRAFTSTOFFEINSPRITZDÜSE FÜR EINE BRENNKRAFTMASCHINE

Title (fr)

INJECTEUR DE CARBURANT POUR MOTEUR A COMBUSTION INTERNE

Publication

EP 1049870 A1 (FR)

Application

EP 99900943 A

Priority

  • FR 9900084 W
  • FR 9800554 A

Abstract (en)

[origin: FR2773851A1] The fuel injector has a body (10), containing a needle (12) terminated by an obturation part with a seat (28), for fuel passage. In the seat (28) is a diffusion hole (30). The needle (12) is displaceable between a first axial position, in which the obturation part presses against the seat (28), and a second position where the obturation part is clear of the seat (28). The injector also includes a chamber which rotates the fuel around the axis of the obturation part. The chamber is defined by the front face of the seat (28), by a disc (42) applied on the seat and having slots which tangentially open into a central opening surrounding the obturation part, and by a needle guide (40) arranged so that it feeds the external ends of the disc (42) slots. The disc (42) is pinched between the guide (40) pressing against an internal shoulder of the body (10) and the seat fixed to the body.

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

F02M 61/16

IPC 8 full level (invention and additional information)

F02M 51/06 (2006.01); F02M 61/16 (2006.01)

CPC (invention and additional information)

F02M 51/0675 (2013.01); F02M 51/0625 (2013.01); F02M 61/162 (2013.01)

Citation (search report)

See references of WO 9936692A1

Designated contracting state (EPC)

DE FR IT

EPO simple patent family

FR 2773851 A1 19990723; FR 2773851 B1 20000324; BR 9907103 A 20001205; DE 69901095 D1 20020502; DE 69901095 T2 20021121; EP 1049870 A1 20001108; EP 1049870 B1 20020327; US 6244525 B1 20010612; WO 9936692 A1 19990722

INPADOC legal status

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2005-11-04 [REG FR TP] TRANSMISSION OF PROPERTY

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