JPH0278751U - - Google Patents

Info

Publication number
JPH0278751U
JPH0278751U JP15819588U JP15819588U JPH0278751U JP H0278751 U JPH0278751 U JP H0278751U JP 15819588 U JP15819588 U JP 15819588U JP 15819588 U JP15819588 U JP 15819588U JP H0278751 U JPH0278751 U JP H0278751U
Authority
JP
Japan
Prior art keywords
piston
oil
introduction hole
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.)
Pending
Application number
JP15819588U
Other languages
Japanese (ja)
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 JP15819588U priority Critical patent/JPH0278751U/ja
Publication of JPH0278751U publication Critical patent/JPH0278751U/ja
Pending 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

Landscapes

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

Description

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

第１図はこの考案の実施例を示すピストンの一
部切欠斜視図、第２図は同じくオイル導入孔の一
部斜視図、第３図は同じく遮へい板の変形状態を
示す説明図、第４図は他の実施例での遮へい板の
斜視図、第５図はさらに別の実施例を示すピスト
ンの一部断面図である。 １……ピストン、３……冷却空洞、４……オイ
ル導入孔、７……遮へい板。 Fig. 1 is a partially cutaway perspective view of a piston showing an embodiment of this invention, Fig. 2 is a partially cutaway perspective view of an oil introduction hole, Fig. 3 is an explanatory view showing a deformed state of the shield plate, and Fig. 4 is a partially cutaway perspective view of a piston showing an embodiment of this invention. The figure is a perspective view of a shielding plate in another embodiment, and FIG. 5 is a partial sectional view of a piston showing still another embodiment. 1... Piston, 3... Cooling cavity, 4... Oil introduction hole, 7... Shielding plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン内部に冷却空洞を形成し、この冷却空
洞内にオイル導入孔を介してオイルジエツトから
の冷却オイルを導入するようにした内燃機関にお
いて、上記オイル導入孔にピストン温度が所定値
以上のときに開く形状記憶合金製の遮へい板を設
けたことを特徴とする内燃機関のピストン。 In an internal combustion engine in which a cooling cavity is formed inside the piston and cooling oil from an oil jet is introduced into the cooling cavity through an oil introduction hole, the oil introduction hole opens when the piston temperature is higher than a predetermined value. A piston for an internal combustion engine characterized by being provided with a shielding plate made of a shape memory alloy.
JP15819588U 1988-12-05 1988-12-05 Pending JPH0278751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15819588U JPH0278751U (en) 1988-12-05 1988-12-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15819588U JPH0278751U (en) 1988-12-05 1988-12-05

Publications (1)

Publication Number Publication Date
JPH0278751U true JPH0278751U (en) 1990-06-18

Family

ID=31438303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15819588U Pending JPH0278751U (en) 1988-12-05 1988-12-05

Country Status (1)

Country Link
JP (1) JPH0278751U (en)

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