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1. (WO2010072519) LASER SPARK PLUG IN A PRECHAMBER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/072519 International Application No.: PCT/EP2009/066125
Publication Date: 01.07.2010 International Filing Date: 01.12.2009
IPC:
F02B 19/12 (2006.01) ,F02B 19/16 (2006.01) ,F02P 23/04 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
B
INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
19
Engines characterised by precombustion chambers
12
with positive ignition
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
B
INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
19
Engines characterised by precombustion chambers
16
Chamber shapes or constructions not specific to groups F02B19/02-F02B19/10107
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
P
IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
23
Other ignition
04
Other physical ignition means, e.g. using laser rays
Applicants:
ROBERT BOSCH GMBH [DE/DE]; Postfach 30 02 20 70442 Stuttgart, DE (AllExceptUS)
GE Jenbacher GmbH & Co. KG [AT/AT]; Achenseestr. 1 A-6200 Jenbach, AT (AllExceptUS)
KRAUS, Markus [AT/AT]; AT (UsOnly)
WEINROTTER, Martin [DE/DE]; DE (UsOnly)
WOERNER, Pascal [DE/DE]; DE (UsOnly)
RAIMANN, Juergen [DE/DE]; DE (UsOnly)
GRUBER, Friedrich [AT/AT]; AT (UsOnly)
Inventors:
KRAUS, Markus; AT
WEINROTTER, Martin; DE
WOERNER, Pascal; DE
RAIMANN, Juergen; DE
GRUBER, Friedrich; AT
Common
Representative:
ROBERT BOSCH GMBH; Postfach 30 02 20 70442 Stuttgart, DE
Priority Data:
10 2008 062 574.416.12.2008DE
Title (DE) LASERZÜNDKERZE IN EINER VORKAMMER
(EN) LASER SPARK PLUG IN A PRECHAMBER
(FR) BOUGIE D'ALLUMAGE PAR LASER DANS UNE CHAMBRE DE PRÉCOMBUSTION
Abstract:
(DE) Die Erfindung betrifft eine Zündkerze (100) für eine Brennkraftmaschine, mit einer Vorkammer (110) zur Aufnahme eines zündfähigen Mediums, und mit einem Aufnahmebereich (120) für Mittel zur Einkopplung von Laserstrahlung (135) in die Vorkammer (110). Erfindungsgemäß umgibt ein einen Hinterkammervolumenbereich (110a) definierender Teil der Vorkammer (110) den Aufnahmebereich (120) in einem brennraumseitigen Endbereich (100a) der Zündkerze (100) zumindest teilweise.
(EN) The invention relates to a spark plug (100) for an internal combustion engine, having a prechamber (110) for receiving an ignitable medium, and having a receiving region (120) for means for coupling laser radiation (135) into the prechamber (110). According to the invention, a part of the prechamber (110) which defines a rear-chamber volumetric region (110a) surrounds the receiving region (120) at least partially in a combustion-chamber-side end region (100a) of the spark plug (100).
(FR) L'invention concerne une bougie d'allumage (100) pour un moteur à combustion interne, comportant une chambre de précombustion (110) destinée à recevoir un agent inflammable, et une zone réceptrice (120) destinée à recevoir des moyens d'injection d'un faisceau laser (135) dans la chambre de précombustion (110). Selon l'invention, une partie de la chambre de précombustion (110) délimitant un espace (110a) situé derrière la chambre entoure au moins partiellement la zone réceptrice (120) dans une partie d'extrémité (100a) côté chambre de combustion de la bougie d'allumage (100).
front page image
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)
Also published as:
EP2379859