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GB2376984A - CPU-controlled pulsed laser ignition system - Google Patents

CPU-controlled pulsed laser ignition system Download PDF

Info

Publication number
GB2376984A
GB2376984A GB0208842A GB0208842A GB2376984A GB 2376984 A GB2376984 A GB 2376984A GB 0208842 A GB0208842 A GB 0208842A GB 0208842 A GB0208842 A GB 0208842A GB 2376984 A GB2376984 A GB 2376984A
Authority
GB
United Kingdom
Prior art keywords
fuel
laser beam
flashpoint
ignition
pulsed laser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB0208842A
Other versions
GB0208842D0 (en
Inventor
Kevin Frank Medcalf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0115561A external-priority patent/GB0115561D0/en
Priority claimed from GB0128706A external-priority patent/GB0128706D0/en
Application filed by Individual filed Critical Individual
Publication of GB0208842D0 publication Critical patent/GB0208842D0/en
Publication of GB2376984A publication Critical patent/GB2376984A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P23/00—Other ignition
    • F02P23/04—Other physical ignition means, e.g. using laser rays

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Lasers (AREA)

Abstract

A CPU-controlled pulsed laser beam is used to ignite the fuel enabling better control of the time and intensity of the ignition "flashpoint". The pulsed laser ignition system offers improved environmental, economical and technical performance compared with conventional spark ignition.

Description

<Desc/Clms Page number 1>
r. ; & ij w, % -, IF 1 ff a DESCRIPTION
r 7 T A C-L7T3 Tr. TTT'TrT g v e = r J 1 E t A ; ~. j'ejt. t\.. . -i=. 1 :... . J.. L.'\---. &num;....
TECHNICAL A EA-FUEL iGTioi\'SYSTEMS.
BACKGROUND "jT A-2ET A r rl--'K l T," 4 p v % i r T T lT T, 17 F,'T A rF i-p A T,- ~ lky t I iR r,,- -SPECTY-1 i ~~r ri6- !--A ELECTRODE TYPE IGNITION.
CAUSE-POOR-PERFORMANCE & CONTROL OF THE SPARK T AT IGNITION'FLASHPOINT".
SOLUTION-IGNITION USING A CONTROLLED PULSED LASER IG LILO i-i L"-0"ER , JX-, J, ~\T N,, A CONTT) OTuL. LuD-1. ULSED T CT :) E A CT,-7-1 T N., T ,, ITI, I) N-PL-VC) R7%, F A r, TC T, i-'D
BEAM. ADVANTAGES-INCREASEDIGNITIONPERFORMANCEAND
<Desc/Clms Page number 2>
iSCMiTlN D w vç ! z r z w e 1E w 1 w ~I~ ; L, ICA ik-I r 2 11 1 1 N
DETAILED DESCRIPTIONTYPE & SPEED OF CO BUSTION PROCESS, AND GRADE & TYPE S : S OF I-lk-, ; IVLU U 0 ~I N 1 0, z-i, px 1OF FUEL USED DURING IGNITION, AFFECT THE SPARK IF TTTtTT'C IT r'TF\'\'"' ! GNI-TI-ON'FLASfWOfNT-IB/IE & RNTENSITY. (PKC Pf jL-E-'-'J--L . Y i-'-''..-'j\-L.
USE OF A PULSE LASER, INCREASES CONTROL OF THE.
IGNITIO 'FLASHPOINT'TIME & INTENSITY. (P < < 5\ ' THIS CONTROLLED LASER IGNITION SYSTEM INCREASES FUEL/ SYS 7 IGNITION PERFORMANCE.

Claims (1)

  1. 'g' < .'g'T%. < ' m p, I--f JE :-Ek LLj\. 11'fl
    DISTINCTIVE FEATURESUSE OF A PULSED LASER BEAM TO IGXITE CO'JBUSTABLE 1S E 15 Afl t t ! Fx S7',. t {Yq T (1E x, F At A7LYR DC A \, A TO, T ; > 7Ttv, nf, T\s, mTUTq , 97Lr1 FUELS. qn-", O"IrT-NTCY Ted Jr'LL'Lfljy-E. TT'T'TpT/' !'rJT'rTr' r-, /nT'''QTrY\T r'-. r'QQ Al'''E 7 A-r-1, 'A p JL JLJL/JLJfJ.''J--I-JL-1-li''H'..\.... i'. Lt .
    RESTRICTIVE NARROW AREATSvIPG & TENSITY OF LASER BEAM AT FUEL/YONITION 'FLASHPOINT'. < S, f' .
    FEATURE CLAIMSPUISP T % Q-P T (---rTnlT TQ AIN-A ONTROLLEDPULSELASERIGNITIONSYSTEM IS --Z-L -NTT MORE ACCURATE AND PERFORMS BETTER, THAN A SPARK ELECTRODE IGNITION SYSTEM.
    EXTRA-INCREASED SPECIFICATIONS- - EN\ONMENTAL (NOISE & CARBON EMISSIONS).
    - ECONOMICAL (RUNNING, SERVICING & MAINTENANCE COSTS).
    - TECHNICAL (ADVANCED, RELLU3LE & QUALITY).
    - l''Ii < ! l < iVlAi (l'' !. JW. bJK, L'. L\. i. i < -JJL < R irl'iLJLjbr\L .
    Û a Q X s . v R i J. C \ 1 C AST U < /Ä v Su d xT) E Ly C E COSTS).
    T ï A iJ v A AL W A i f.
    Rt AL AL iL AJ (P W \ X bAt) C ts \ A R w i X i~FA ÁWAA 1 8 U Y)-
    <Desc/Clms Page number 4>
    Amendments to the claims have been filed as follows DISTINCTIVE FEATURES-
    T I I'T T, USE OF A PULSED LASER BEAM TO IGNITF COIBUSTABLE FUELS.
    TECHNOLOGY AREA- FUEL/IGNITIONCOMBUSTIONPROCESS.
    RESTRICTIVE NARROW AREA- TIMING & INTENSITY OF LASER BEAM AT FUEL/TGNITION 'FLASHPOINT'.
    TECHNICAL FEATURES- PULSE LASER-TO IGNITE FUEL.
    CPU - TO CONTROL TIMING & INTENSITY OF BEAM.
    FEATURE CLAIMS- MAIN - FUEL/IGNITION USING A PULSE LASER BEAM.
    NOVELTY-A CPU CONTROLLED PULSE LASER IGNITION . 1-TI SYSTEM, INSTEAD OF A SPARK ELECTRODE IGNITION SYSTEM, GIVES INCREASED'FLASHPOINT'PERFORMANCE.
    EXTRA - ENVIRONMENTAL (NOISE & CARBON EM1SSIONS).
    - ECONOMICAL (RUNNING, SERVICING & MAINTENANCE COSTS).
    - TECHNICAL (ADVANCED, RELIABLE & QUALITY).
    - PERFORMANCE (POWER, CONTROL & EFFICIENCY).
    SPECIFICATIONS - SEE DRAWINGS. PAGE 5.
GB0208842A 2001-06-26 2002-04-18 CPU-controlled pulsed laser ignition system Withdrawn GB2376984A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0115561A GB0115561D0 (en) 2001-06-26 2001-06-26 Laserplug
GB0128706A GB0128706D0 (en) 2001-11-30 2001-11-30 Laserplug (laser ignition system)

Publications (2)

Publication Number Publication Date
GB0208842D0 GB0208842D0 (en) 2002-05-29
GB2376984A true GB2376984A (en) 2002-12-31

Family

ID=26246247

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0208842A Withdrawn GB2376984A (en) 2001-06-26 2002-04-18 CPU-controlled pulsed laser ignition system

Country Status (1)

Country Link
GB (1) GB2376984A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360196A (en) * 1971-09-10 1974-07-17 Ass Eng Ltd Ignition systems
FR2441738A1 (en) * 1978-11-15 1980-06-13 Messerschmitt Boelkow Blohm Ignition system for IC engine - uses pulsed laser beam of appropriate frequency focussed at point in combustion chamber by lens system
FR2470462A2 (en) * 1976-04-28 1981-05-29 Duracher Rene Ignition for hydrogen fuelled heat engine - uses laser focussed on ignition spark to create shock waves which dissociate deuterium
GB2080877A (en) * 1980-07-30 1982-02-10 Nissan Motor Engine ignition system using laser beam
JPS57191466A (en) * 1981-05-18 1982-11-25 Nippon Soken Inc Laser igniting apparatus for internal combustion engine
US4416226A (en) * 1981-06-02 1983-11-22 Nippon Soken, Inc. Laser ignition apparatus for an internal combustion engine
WO1985003109A1 (en) * 1984-01-03 1985-07-18 Joachim Schick Internal combustion engine with ignition by high energy rays which may be introduced into the combustion chamber
JPH10122115A (en) * 1996-10-18 1998-05-12 Mitsubishi Heavy Ind Ltd Combustion equipment of low cetane value engine
WO1998048221A2 (en) * 1997-04-21 1998-10-29 The Regents Of The University Of California Laser ignition

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360196A (en) * 1971-09-10 1974-07-17 Ass Eng Ltd Ignition systems
FR2470462A2 (en) * 1976-04-28 1981-05-29 Duracher Rene Ignition for hydrogen fuelled heat engine - uses laser focussed on ignition spark to create shock waves which dissociate deuterium
FR2441738A1 (en) * 1978-11-15 1980-06-13 Messerschmitt Boelkow Blohm Ignition system for IC engine - uses pulsed laser beam of appropriate frequency focussed at point in combustion chamber by lens system
GB2080877A (en) * 1980-07-30 1982-02-10 Nissan Motor Engine ignition system using laser beam
JPS57191466A (en) * 1981-05-18 1982-11-25 Nippon Soken Inc Laser igniting apparatus for internal combustion engine
US4416226A (en) * 1981-06-02 1983-11-22 Nippon Soken, Inc. Laser ignition apparatus for an internal combustion engine
WO1985003109A1 (en) * 1984-01-03 1985-07-18 Joachim Schick Internal combustion engine with ignition by high energy rays which may be introduced into the combustion chamber
JPH10122115A (en) * 1996-10-18 1998-05-12 Mitsubishi Heavy Ind Ltd Combustion equipment of low cetane value engine
WO1998048221A2 (en) * 1997-04-21 1998-10-29 The Regents Of The University Of California Laser ignition

Also Published As

Publication number Publication date
GB0208842D0 (en) 2002-05-29

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)