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JPS5943659U - Fuel supply system for liquefied petroleum gas internal combustion engine - Google Patents

Fuel supply system for liquefied petroleum gas internal combustion engine

Info

Publication number
JPS5943659U
JPS5943659U JP13895482U JP13895482U JPS5943659U JP S5943659 U JPS5943659 U JP S5943659U JP 13895482 U JP13895482 U JP 13895482U JP 13895482 U JP13895482 U JP 13895482U JP S5943659 U JPS5943659 U JP S5943659U
Authority
JP
Japan
Prior art keywords
petroleum gas
liquefied petroleum
fuel supply
combustion engine
internal combustion
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.)
Granted
Application number
JP13895482U
Other languages
Japanese (ja)
Other versions
JPH03508Y2 (en
Inventor
藤咲　正記
Original Assignee
自動車機器技術研究組合
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 自動車機器技術研究組合 filed Critical 自動車機器技術研究組合
Priority to JP13895482U priority Critical patent/JPS5943659U/en
Publication of JPS5943659U publication Critical patent/JPS5943659U/en
Application granted granted Critical
Publication of JPH03508Y2 publication Critical patent/JPH03508Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例の系統図である、第２図はプ
ロパンとブタンの燃料蒸気圧線図、第３図はプロパンと
ブタンの温度と液比重の関係線図、第４図は燃料組成と
理論空燃比との関係線図。 １・・・内燃機関、２・・・吸気管、３・・・絞弁、４
・・・燃料噴射弁、５・・・燃料タンク、６・・・燃料
管、７・・・サーミスタ、８・・・圧力変換器、９・・
・Ａ／Ｄ変換器、１０・・・ＣＰＵ、１１・・・燃料噴
射弁駆動回路。Figure 1 is a system diagram of an embodiment of the present invention, Figure 2 is a fuel vapor pressure diagram of propane and butane, Figure 3 is a diagram of the relationship between temperature and liquid specific gravity of propane and butane, and Figure 4 is a diagram of the relationship between temperature and liquid specific gravity of propane and butane. is a relationship diagram between fuel composition and stoichiometric air-fuel ratio. 1... Internal combustion engine, 2... Intake pipe, 3... Throttle valve, 4
... Fuel injection valve, 5... Fuel tank, 6... Fuel pipe, 7... Thermistor, 8... Pressure transducer, 9...
- A/D converter, 10...CPU, 11...Fuel injection valve drive circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 燃料噴射弁を備えた液化石油ガス燃料供給装置において
、液化石油ガスの燃料蒸気圧力と温度を計測してその燃
料組成と液比重を算出し燃料噴射弁の開弁時間を上記圧
力と液比重及び燃料組成により補正制御することを特徴
とする液化石油ガス・内燃機関の燃料供給装置。In a liquefied petroleum gas fuel supply system equipped with a fuel injection valve, the fuel vapor pressure and temperature of the liquefied petroleum gas are measured, the fuel composition and liquid specific gravity are calculated, and the opening time of the fuel injection valve is calculated based on the above pressure, liquid specific gravity and liquid specific gravity. A fuel supply device for a liquefied petroleum gas/internal combustion engine characterized by correction control based on fuel composition.
JP13895482U 1982-09-16 1982-09-16 Fuel supply system for liquefied petroleum gas internal combustion engine Granted JPS5943659U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13895482U JPS5943659U (en) 1982-09-16 1982-09-16 Fuel supply system for liquefied petroleum gas internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13895482U JPS5943659U (en) 1982-09-16 1982-09-16 Fuel supply system for liquefied petroleum gas internal combustion engine

Publications (2)

Publication Number Publication Date
JPS5943659U true JPS5943659U (en) 1984-03-22
JPH03508Y2 JPH03508Y2 (en) 1991-01-10

Family

ID=30311609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13895482U Granted JPS5943659U (en) 1982-09-16 1982-09-16 Fuel supply system for liquefied petroleum gas internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5943659U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002227712A (en) * 2001-02-01 2002-08-14 Toyota Motor Corp Fuel supply equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423833A (en) * 1977-07-22 1979-02-22 Toyota Motor Corp Air-fuel ratio control system for liquefied-petroleum-gas engine
JPS56124265U (en) * 1980-02-22 1981-09-21
JPS57131853A (en) * 1981-02-06 1982-08-14 Toyota Motor Corp Air fuel ratio control process and device for internal combustion engine of low temperature liquefied gas

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423833A (en) * 1977-07-22 1979-02-22 Toyota Motor Corp Air-fuel ratio control system for liquefied-petroleum-gas engine
JPS56124265U (en) * 1980-02-22 1981-09-21
JPS57131853A (en) * 1981-02-06 1982-08-14 Toyota Motor Corp Air fuel ratio control process and device for internal combustion engine of low temperature liquefied gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002227712A (en) * 2001-02-01 2002-08-14 Toyota Motor Corp Fuel supply equipment

Also Published As

Publication number Publication date
JPH03508Y2 (en) 1991-01-10

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