JPH039302B2 - - Google Patents

Info

Publication number
JPH039302B2
JPH039302B2 JP63150546A JP15054688A JPH039302B2 JP H039302 B2 JPH039302 B2 JP H039302B2 JP 63150546 A JP63150546 A JP 63150546A JP 15054688 A JP15054688 A JP 15054688A JP H039302 B2 JPH039302 B2 JP H039302B2
Authority
JP
Japan
Prior art keywords
lpg
solenoid valve
diesel engine
pressure regulator
injection nozzle
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.)
Expired - Lifetime
Application number
JP63150546A
Other languages
English (en)
Other versions
JPH01318755A (ja
Inventor
Yoshiteru Takahashi
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.)
NIPPON KANKYO DENSO JUGEN
Original Assignee
NIPPON KANKYO DENSO JUGEN
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
Application filed by NIPPON KANKYO DENSO JUGEN filed Critical NIPPON KANKYO DENSO JUGEN
Priority to JP63150546A priority Critical patent/JPH01318755A/ja
Priority to US07/366,132 priority patent/US4909209A/en
Priority to EP89305999A priority patent/EP0347192B1/en
Priority to DE68914196T priority patent/DE68914196T2/de
Priority to KR1019890008293A priority patent/KR930001392B1/ko
Priority to CA000603207A priority patent/CA1333681C/en
Publication of JPH01318755A publication Critical patent/JPH01318755A/ja
Publication of JPH039302B2 publication Critical patent/JPH039302B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0626—Measuring or estimating parameters related to the fuel supply system
    • F02D19/0628—Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position
    • F02D19/0631—Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position by estimation, i.e. without using direct measurements of a corresponding sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0602—Control of components of the fuel supply system
    • F02D19/0613—Switch-over from one fuel to another
    • F02D19/0615—Switch-over from one fuel to another being initiated by automatic means, e.g. based on engine or vehicle operating conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/10—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/10—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
    • F02D19/105—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous operating in a special mode, e.g. in a liquid fuel only mode for starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
    • F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
    • F02D19/0647—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Description

【発明の詳細な説明】 ＜産業上の利用分野＞ 本発明は、デイーゼル機関のLPG噴射による
出力増加および燃費節約および黒煙減少装置に関
するものである。
＜従来技術＞ 従来のデイーゼル機関の出力増加、燃費節約、
黒煙減少をはかるためには、機関内部にてより完
全燃焼を図らなくてはならず、過給器などの圧力
を高める装置で燃焼効率を良くしている。
＜発明が解決しようとする課題＞ しかし、上記従来の装置では、出力増加、燃費
節約及び黒煙減少は、充分に行えず車の廃ガス問
題に対処できない。
本発明は、LPGを誘爆させておこる出力増加
により、燃費節約及び黒煙減少を行える装置の提
供を目的としている。
＜課題を解決するための手段＞ 本発明による課題解決手段は、第１図の如く、
デイーゼル機関１０のインテークマニホールド９
の空気取り入れ口に、ノズル径の調整出来る
LPG噴射ノズル１を取り付け、LPGの供給停止
を行う電磁弁２及び圧力調整器３を、LPGを充
填するボンベ４と前記LPG噴射ノズル１の間に
設け、アイドリング時に前記電磁弁２のガスを止
める停止スイツチ５と、デイーゼル機関温度が上
昇しなければ前記電磁弁２を開かないサーモスタ
ツト６とを設けたものである。
＜作用＞ 上記課題解決手段において、電磁弁２はサーモ
スタツト６により機関温度が50度以上にならない
とアースされず、電磁弁２は、アクセルペダル８
に取付けられた停止スイツチ５により低速回転時
には働かなくてガスが停止する。そして、デイー
ゼル機関に推定120オクタンのLPGを噴射する
と、燃焼効率が著しく上がる。
また、圧力調整器３とLPG噴射ノズル１にて
調圧しているので、デイーゼルノツクが起きるほ
ど噴射量は多くなく、全体の10％程度であり、サ
ーモスタツト６と停止スイツチ５により通常運転
時のみ噴射される。
＜実施例＞ 以下、本発明を第１図に示した実施例に基づき
説明する。
図に示された、本発明装置は、デイーゼル機関
１０のインテークマニホールド９の空気取り入れ
口に、ノズル径の調整出来るLPG噴射ノズル１
を取り付け、LPGの供給停止を行う電磁弁２及
び圧力調整器３を、LPGを充填するボンベ４と
前記LPG噴射ノズル１の間に設け、アイドリン
グ時に前記電磁弁２のガスを止める停止スイツチ
５と、デイーゼル機関温度が上昇しなければ前記
電磁弁２を開かないサーモスタツト６とを設けて
なるものである。
図中、７はキースイツチ、８はアクセルペタ
ル、１１はバツテリー、１２はエアーエレメント
である。
前記の噴射量を調整できるLPG噴射ノズル１
は、2000c.c.級のデイーゼル機関で内径1.10mm
（0.2Kg／ｈ）程度に調整しておき、キースイツチ
７にて作動する電磁弁２より、圧力調整器３で
1.5Kg／平方cm程度に調圧したLPGをボンベ４よ
り取り出す。
電磁弁２はサーモスタツト６により機関温度が
50度以上にならないとアースされない。電磁弁２
は、アクセルペダル８に取付けられた停止スイツ
チ５により低速回転時に働かなくてガスが停止す
るようになる。
デイーゼル機関に推定120オクタンのLPGを噴
射すると、燃焼効率が著しく上がり回転上昇時の
レスポンスの向上があり、2000c.c.のヂイーゼルタ
ーボ車で取付前に比べ、スピードが30Km／ｈしか
出ない急坂を同じギアーで60Km／ｈまで向上し
た。
さらに、60Km／ｈより100Km／ｈまでの加速時
間が２〜３秒短縮できた。
さらにまた、燃焼効率の上昇による軸出力の増
加で、今まで完全燃焼せずに燃え残り黒煙とな
り、捨てていた燃料をデイーゼル機関の噴射ポン
プを小型化することで減少させることが出来、燃
費節約にもつながる。黒煙確認テストでは、本発
明装置取付け後に13％減少した。
圧力調整器３とLPG噴射ノズル１にて調圧し
ているので、デイーゼルノツクが起きるほど噴射
量は多くなく、全体の10％程度であり、サーモス
タツト６と停止スイツチ５により通常運転時のみ
噴射される。
＜発明の効果＞ 以上の説明から明らかな通り、本発明において
は、電磁弁はサーモスタツトにより機関温度が50
度以上にならないとアースされず、電磁弁は、ア
クセルペダルに取付けられた停止スイツチにより
低速回転時には働かなくてガスが停止する。そし
て、デイーゼル機関に推定120オクタンのLPGを
噴射すると、燃焼効率が著しく上がり回転上昇時
のレスポンスの向上があり、例えば2000c.c.のヂイ
ーゼルターボ車で取付前に比べ、スピードが30
Km／ｈしか出ない急坂を同じギアーで60Km／ｈま
で向上し、さらに、60Km／ｈより100Km／ｈまで
の加速時間が２〜３秒短縮できた。
さらにまた、燃焼効率の上昇による軸出力の増
加で、今まで完全燃焼せずに燃え残り黒煙とな
り、捨てていた燃料を、デイーゼル機関の噴射ポ
ンプを小型化することで減少させることができ、
燃費節約にもつながる。そして、デイーゼルトラ
ツクによる登坂時の交通停滞に発癌性の高い黒煙
を減少させることのできる。また、圧力調整器と
LPG噴射ノズルにて調圧しているので、デイー
ゼルノツクが起きるほど噴射量は多くなく、全体
の10％程度であり、サーモスタツトと停止スイツ
チにより通常運転時のみ噴射される。
【図面の簡単な説明】
第１図は、本発明実施例の構成図である。 １：LPG噴射ノズル、２：電磁弁、３：圧力
調整器、４：ボンベ、５：停止スイツチ、６：サ
ーモスタツト、９：インテークマニホールド、１
０：デイーゼル機関。

Claims (1)

    【特許請求の範囲】
  1. １ デイーゼル機関のインテークマニホールドの
    空気取り入れ口に、ノズル径の調整出来るLPG
    噴射ノズルを取り付け、LPGの供給停止を行う
    電磁弁及び圧力調整器を、LPGを充填するボン
    ベと前記LPG噴射ノズルの間に設け、アイドリ
    ング時に前記電磁弁のガスを止める停止スイツチ
    と、デイーゼル機関温度が上昇しなければ前記電
    磁弁を開かないサーモスタツトとを設けてなる、
    LPG噴射によるデイーゼル機関の出力増加およ
    び燃費節約および黒煙減少装置。
JP63150546A 1988-06-17 1988-06-17 Ｌｐｇ噴射によるデイーゼル機関の出力増加および燃費節約および黒煙減少装置 Granted JPH01318755A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP63150546A JPH01318755A (ja) 1988-06-17 1988-06-17 Ｌｐｇ噴射によるデイーゼル機関の出力増加および燃費節約および黒煙減少装置
US07/366,132 US4909209A (en) 1988-06-17 1989-06-14 Apparatus for injecting LP gas into diesel engine
EP89305999A EP0347192B1 (en) 1988-06-17 1989-06-14 Apparatus for injecting LP gas into diesel engine
DE68914196T DE68914196T2 (de) 1988-06-17 1989-06-14 Vorrichtung zum Einspritzen von Flüssiggas in eine Dieselbrennkraftmaschine.
KR1019890008293A KR930001392B1 (ko) 1988-06-17 1989-06-16 Lpg 분사에 의한 디젤 기관의 출력 증가, 연비절약 및 검은연기 감소장치
CA000603207A CA1333681C (en) 1988-06-17 1989-06-19 Apparatus for injecting lp gas into diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63150546A JPH01318755A (ja) 1988-06-17 1988-06-17 Ｌｐｇ噴射によるデイーゼル機関の出力増加および燃費節約および黒煙減少装置

Publications (2)

Publication Number Publication Date
JPH01318755A JPH01318755A (ja) 1989-12-25
JPH039302B2 true JPH039302B2 (ja) 1991-02-08

Family

ID=15499240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63150546A Granted JPH01318755A (ja) 1988-06-17 1988-06-17 Ｌｐｇ噴射によるデイーゼル機関の出力増加および燃費節約および黒煙減少装置

Country Status (6)

Country Link
US (1) US4909209A (ja)
EP (1) EP0347192B1 (ja)
JP (1) JPH01318755A (ja)
KR (1) KR930001392B1 (ja)
CA (1) CA1333681C (ja)
DE (1) DE68914196T2 (ja)

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US6863034B2 (en) 2003-01-17 2005-03-08 Robert D. Kern Method of controlling a bi-fuel generator set
US7270089B2 (en) * 2003-06-11 2007-09-18 Clean Air Power, Inc. Method and apparatus for controlling transition between operating modes in a multimode engine
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US7591253B2 (en) * 2006-07-28 2009-09-22 Proinjects, L.L.C. Secondary fuel system for diesel engines
US8220439B2 (en) 2006-09-25 2012-07-17 DGC Industries Pty. Ltd. Dual fuel system
MX2012012213A (es) 2010-04-20 2013-01-29 Dgc Ind Pty Ltd Un sistema de suministro de doble combustible para un sistema de inyección directa de un motor diesel con mezclado a bordo.
US11739716B2 (en) 2021-09-01 2023-08-29 American CNG, LLC Supplemental fuel system for compression-ignition engine

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Also Published As

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DE68914196T2 (de) 1994-08-25
DE68914196D1 (de) 1994-05-05
EP0347192B1 (en) 1994-03-30
US4909209A (en) 1990-03-20
EP0347192A1 (en) 1989-12-20
JPH01318755A (ja) 1989-12-25
KR900000577A (ko) 1990-01-30
CA1333681C (en) 1994-12-27
KR930001392B1 (ko) 1993-02-27

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