JPS5549522A - Cylinder combustion chamber - Google Patents

Cylinder combustion chamber

Info

Publication number
JPS5549522A
JPS5549522A JP12235078A JP12235078A JPS5549522A JP S5549522 A JPS5549522 A JP S5549522A JP 12235078 A JP12235078 A JP 12235078A JP 12235078 A JP12235078 A JP 12235078A JP S5549522 A JPS5549522 A JP S5549522A
Authority
JP
Japan
Prior art keywords
sleeve
combustion chamber
contact surface
center
perforated
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
JP12235078A
Other languages
Japanese (ja)
Inventor
Akio Ishida
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.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
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 Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Priority to JP12235078A priority Critical patent/JPS5549522A/en
Publication of JPS5549522A publication Critical patent/JPS5549522A/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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

PURPOSE: To reduce NOx and noise of and improve the power of a Diesel engine in the direct injection type cylinder combustion chamber by forming high temperature wall surface as long as possible in the combustion chamber to flow injection fuel along the wall surface.
CONSTITUTION: The contact surface 3 of the cylinder 3 of a cylinder head 1 is formed substantially flat, a sleeve 5 internally engaged with a fuel injection valve 4 is projected from the center of the contact surface 3, and the nozzle port of the nozzle 6 for the injection valve is provided in the inner hole toward the projected end side. On the other hand, a plurality of vent holes 11 are passed in the vicinity of the contact surface 3 at the peripheral wall of the sleeve 5. Whereas an air passage 8 of axial hole functioning also as the space for receiving the sleeve 5 is perforated at the upper center of the piston 7, and a piston cavity 10 opened diametrically at the upper portion is perforated at the lower portion of the passage 8. The peripheral wall of standing conical projection 9 at the bottom center of the cavity 10 is formed to radially introduce fuel jet stream from the lower end of the sleeve 5.
COPYRIGHT: (C)1980,JPO&Japio
JP12235078A 1978-10-04 1978-10-04 Cylinder combustion chamber Pending JPS5549522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12235078A JPS5549522A (en) 1978-10-04 1978-10-04 Cylinder combustion chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12235078A JPS5549522A (en) 1978-10-04 1978-10-04 Cylinder combustion chamber

Publications (1)

Publication Number Publication Date
JPS5549522A true JPS5549522A (en) 1980-04-10

Family

ID=14833749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12235078A Pending JPS5549522A (en) 1978-10-04 1978-10-04 Cylinder combustion chamber

Country Status (1)

Country Link
JP (1) JPS5549522A (en)

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