JPS57179367A - Fuel injection device for internal-combustion engine - Google Patents

Fuel injection device for internal-combustion engine

Info

Publication number
JPS57179367A
JPS57179367A JP6368181A JP6368181A JPS57179367A JP S57179367 A JPS57179367 A JP S57179367A JP 6368181 A JP6368181 A JP 6368181A JP 6368181 A JP6368181 A JP 6368181A JP S57179367 A JPS57179367 A JP S57179367A
Authority
JP
Japan
Prior art keywords
air
nozzle
mixing chamber
fuel
dust
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.)
Pending
Application number
JP6368181A
Other languages
Japanese (ja)
Inventor
Hiromasa Kubo
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP6368181A priority Critical patent/JPS57179367A/en
Publication of JPS57179367A publication Critical patent/JPS57179367A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto

Abstract

PURPOSE:To prevent the reduction of the amount of flowing fuel or auxiliary air due to dust in the auxiliary air by a method wherein the auxiliary air is introduced to the downstream of the stream of injection while whirling it. CONSTITUTION:A tapered mixing chamber 19, mixing the air and the fuel, is formed in a holder 11 at the downstream of a nozzle 10a and the tip end, defining the minimum sectional area of the tapered mixing chamber 19, constitutes an orifice 20 having a predetermined size. A plurality of air introducing holes 17 are provided around the mixing chamber 19 under a condition that they are arranged eccentrically with respect to the center thereof and are inclined toward the tip end of the taper. The auxiliary air is introduced into the mixing chamber 19 at the downstream of the nozzle 10a of a fuel injection valve 10 and is directed toward the orifice 20, therefore, the dust in the air may hardly be adhered to the fuel nozzle 10a even though the dust is being mixed into the air and the clogging of the nozzle 10a may be prevented.
JP6368181A 1981-04-27 1981-04-27 Fuel injection device for internal-combustion engine Pending JPS57179367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6368181A JPS57179367A (en) 1981-04-27 1981-04-27 Fuel injection device for internal-combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6368181A JPS57179367A (en) 1981-04-27 1981-04-27 Fuel injection device for internal-combustion engine

Publications (1)

Publication Number Publication Date
JPS57179367A true JPS57179367A (en) 1982-11-04

Family

ID=13236343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6368181A Pending JPS57179367A (en) 1981-04-27 1981-04-27 Fuel injection device for internal-combustion engine

Country Status (1)

Country Link
JP (1) JPS57179367A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59167962U (en) * 1983-04-27 1984-11-10 本田技研工業株式会社 fuel spray device
JPH0254392U (en) * 1988-10-15 1990-04-19
US5241938A (en) * 1990-03-14 1993-09-07 Aisan Kogyo Kabushiki Kaisha Injector with assist air passage for atomizing fuel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59167962U (en) * 1983-04-27 1984-11-10 本田技研工業株式会社 fuel spray device
JPH0212302Y2 (en) * 1983-04-27 1990-04-06
JPH0254392U (en) * 1988-10-15 1990-04-19
US5241938A (en) * 1990-03-14 1993-09-07 Aisan Kogyo Kabushiki Kaisha Injector with assist air passage for atomizing fuel

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