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1. WO2005028856 - INTERNAL COMBUSTION ENGINE

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Publication Number WO/2005/028856
Publication Date 31.03.2005
International Application No. PCT/AT2004/000320
International Filing Date 23.09.2004
IPC
F02P 23/04 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
PIGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
23Other ignition
04Other physical ignition means, e.g. using laser rays
H01S 3/042 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
02Constructional details
04Cooling arrangements
042for solid state lasers
H01S 3/0941 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
09Processes or apparatus for excitation, e.g. pumping
091using optical pumping
094by coherent light
0941of a semiconductor laser, e.g. of a laser diode
CPC
F02P 23/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
PIGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
23Other ignition
04Other physical ignition means, e.g. using laser rays
H01S 3/025
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
02Constructional details
025of solid state lasers, e.g. housings or mountings
H01S 3/042
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
02Constructional details
04Arrangements for thermal management
042for solid state lasers
H01S 3/061
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
06Construction or shape of active medium
0602Crystal lasers or glass lasers
061with elliptical or circular cross-section and elongated shape, e.g. rod
H01S 3/0941
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
09Processes or apparatus for excitation, e.g. pumping
091using optical pumping
094by coherent light
0941of a laser diode
H01S 3/1024
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
102by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
1022by controlling the optical pumping
1024for pulse generation
Applicants
  • AVL LIST GMBH [AT]/[AT] (AllExceptUS)
  • WINKLHOFER, Ernst [AT]/[AT] (UsOnly)
  • FRANZ, Georg [AT]/[AT] (UsOnly)
  • KROUPA, Gerhard [AT]/[AT] (UsOnly)
  • MANNHEIM, Volker [AT]/[AT] (UsOnly)
  • BINDER, Alfred [AT]/[AT] (UsOnly)
Inventors
  • WINKLHOFER, Ernst
  • FRANZ, Georg
  • KROUPA, Gerhard
  • MANNHEIM, Volker
  • BINDER, Alfred
Agents
  • BABELUK, Michael
Priority Data
03021446.423.09.2003EP
03450285.623.12.2003EP
Publication Language German (de)
Filing Language German (DE)
Designated States
Title
(DE) BRENNKRAFTMASCHINE
(EN) INTERNAL COMBUSTION ENGINE
(FR) MOTEUR A COMBUSTION INTERNE
front page image
Abstract
(DE) Die Erfindung betrifft eine Brennkraftmaschine mit einer Laser-Zündeinrichtung (1), mit einem gütegeschalteten, gepumpten Festkörperlaser mit einer gepulsten Pump-Lichtquelle (30), einem in einen Resonator eingebetteten festen Laserkristall (2), einem Güteschalter (4) zur Erhöhung der Leistungsdichte, zumindest einem Auskoppelspiegel (6) und einer Fokussiereinrichtung (7), über welche der Laserstrahl (26) in einem Brennraum fokussierbar ist.
(EN) The invention relates to an internal combustion engine with a laser ignition device (1), Q-switched, pumped solid-state laser with a pulsed pumped light source (30), a solid laser crystal (2), enclosed in a resonator, a Q-switch (4), for increasing the power density, at least one output mirror (6) and a focussing device (7), by means of which the laser beam (26) may be focussed in a combustion chamber.
(FR) L'invention concerne un moteur à combustion interne pourvu d'un dispositif d'allumage par laser (1) qui comprend un laser à corps solide pompé déclenché, présentant une source lumineuse de pompage pulsée (30), un cristal laser solide (2) intégré dans un résonateur, un déclencheur (4) destiné à augmenter la densité de puissance, au moins un miroir de sortie (6) et un dispositif de focalisation (7), au moyen duquel le faisceau laser (26) peut être focalisé dans une chambre de combustion.
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US2007064746This application is not viewable in PATENTSCOPE because the national phase entry has not been published yet or the national entry is issued from a country that does not share data with WIPO or there is a formatting issue or an unavailability of the application.
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