JPH0352357U - - Google Patents

Info

Publication number
JPH0352357U
JPH0352357U JP1989115483U JP11548389U JPH0352357U JP H0352357 U JPH0352357 U JP H0352357U JP 1989115483 U JP1989115483 U JP 1989115483U JP 11548389 U JP11548389 U JP 11548389U JP H0352357 U JPH0352357 U JP H0352357U
Authority
JP
Japan
Prior art keywords
piston
ring groove
diameter
recessed
dimension
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
JP1989115483U
Other languages
Japanese (ja)
Other versions
JP2563402Y2 (en
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 filed Critical
Priority to JP1989115483U priority Critical patent/JP2563402Y2/en
Priority to PCT/JP1990/001242 priority patent/WO1991005156A1/en
Publication of JPH0352357U publication Critical patent/JPH0352357U/ja
Application granted granted Critical
Publication of JP2563402Y2 publication Critical patent/JP2563402Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/16—Pistons  having cooling means
    • F02F3/20—Pistons  having cooling means the means being a fluid flowing through or along piston
    • F02F3/22—Pistons  having cooling means the means being a fluid flowing through or along piston the fluid being liquid
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0696—W-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder wall
    • 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
    • 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
    • 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
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

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

第１図は本考案の１実施例のピストンの断面図
、第２図は従来のピストンの断面図。 図中、１……ピストン、２……燃焼室、３……
トツプリング溝、４……セカンドリング溝、６…
…強制油冷却用シエーカ穴。 FIG. 1 is a sectional view of a piston according to an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional piston. In the diagram, 1...piston, 2...combustion chamber, 3...
Top ring groove, 4...Second ring groove, 6...
...Shaker hole for forced oil cooling.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 燃焼室がピストン中心より偏心した位置に設け
られかつ強制油冷却用シエーカ穴を内設するデイ
ーゼルエンジンのピストンにおいて、ピストン側
部にピストン頂部よりピストン径×５％〜１０％
の寸法の位置にトツプリング溝、ピストン頂部よ
りピストン径×２５％〜３０％の寸法の位置にセ
カンドリング溝をそれぞれ凹設し、かつ前記強制
油冷却用シエーカ穴のピストン側部側の壁部の径
を前記トツプリング溝とセカンドリング溝の間で
前記トツプリング溝及びセカンドリング溝の底部
の径−４mm以上としたことを特徴とするデイーゼ
ルエンジンのピストン。 In a diesel engine piston in which the combustion chamber is located eccentrically from the center of the piston and has an internal shaker hole for forced oil cooling, 5% to 10% of the piston diameter x 5% to 10% from the top of the piston is attached to the side of the piston.
A top ring groove is recessed at a position with a dimension of , and a second ring groove is recessed at a position of a dimension of 25% to 30% of the piston diameter from the top of the piston, and a wall on the piston side side of the forced oil cooling shaker hole. A piston for a diesel engine, characterized in that the diameter between the top ring groove and the second ring groove is equal to or larger than the diameter of the bottom of the top ring groove and the second ring groove -4 mm.
JP1989115483U 1989-09-28 1989-09-28 Diesel engine piston Expired - Lifetime JP2563402Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989115483U JP2563402Y2 (en) 1989-09-28 1989-09-28 Diesel engine piston
PCT/JP1990/001242 WO1991005156A1 (en) 1989-09-28 1990-09-27 Piston of diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989115483U JP2563402Y2 (en) 1989-09-28 1989-09-28 Diesel engine piston

Publications (2)

Publication Number Publication Date
JPH0352357U true JPH0352357U (en) 1991-05-21
JP2563402Y2 JP2563402Y2 (en) 1998-02-25

Family

ID=14663640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989115483U Expired - Lifetime JP2563402Y2 (en) 1989-09-28 1989-09-28 Diesel engine piston

Country Status (2)

Country Link
JP (1) JP2563402Y2 (en)
WO (1) WO1991005156A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011085109A (en) * 2009-10-19 2011-04-28 Niigata Power Systems Co Ltd Piston and engine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997611B1 (en) * 1998-10-28 2005-09-07 Nissan Motor Company Limited Direct injection internal combustion engine
FR2885615B1 (en) * 2005-05-12 2007-06-22 Servier Lab NOVEL PHENYLPYRIDINYLPIPERAZINE DERIVATIVES, PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02255265A (en) * 1989-03-27 1990-10-16 Izumi Ind Ltd Production of piston for internal combustion engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158957U (en) * 1981-04-01 1982-10-06
JPS57171149U (en) * 1981-04-21 1982-10-28
JPS6070754U (en) * 1983-10-21 1985-05-18 日産自動車株式会社 piston
JPH0515555Y2 (en) * 1987-09-04 1993-04-23
JPH01141351U (en) * 1988-03-22 1989-09-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02255265A (en) * 1989-03-27 1990-10-16 Izumi Ind Ltd Production of piston for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011085109A (en) * 2009-10-19 2011-04-28 Niigata Power Systems Co Ltd Piston and engine

Also Published As

Publication number Publication date
JP2563402Y2 (en) 1998-02-25
WO1991005156A1 (en) 1991-04-18

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