JPS59103846U - piston - Google Patents

piston

Info

Publication number
JPS59103846U
JPS59103846U JP20059782U JP20059782U JPS59103846U JP S59103846 U JPS59103846 U JP S59103846U JP 20059782 U JP20059782 U JP 20059782U JP 20059782 U JP20059782 U JP 20059782U JP S59103846 U JPS59103846 U JP S59103846U
Authority
JP
Japan
Prior art keywords
circumferential surface
laminated
crown member
crown
peripheral wall
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
JP20059782U
Other languages
Japanese (ja)
Other versions
JPH0118819Y2 (en
Inventor
英男 河村
寛 松岡
Original Assignee
いすゞ自動車株式会社
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 いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Priority to JP20059782U priority Critical patent/JPS59103846U/en
Publication of JPS59103846U publication Critical patent/JPS59103846U/en
Application granted granted Critical
Publication of JPH0118819Y2 publication Critical patent/JPH0118819Y2/ja
Granted legal-status Critical Current

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  • Pistons, Piston Rings, And Cylinders (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 the drawing]

第１図は本案ピーストンの縦断面図、第２図は第１図■
−■線相当部分の断面図、第３図は第１図■−■線相当
部分の断面図である。 Ａ・・・本案ピストン、１・・・セラミック材製クラウ
ン部、２・・・金属材製スカート部、３・・・燃焼室、
４・・・中央突部、５・・・くびれ部、６・・・周壁部
、７・・・膨大部、８・・・奥底面、９・・・環状凹陥
部、１０・・・切欠、１１・・・鋼線材製網状物、１２
・・・積層部、１３・・・断熱材製孔明きプレート、１
４・・・クラウン側侵入部。Figure 1 is a vertical cross-sectional view of the proposed piece stone, Figure 2 is Figure 1 ■
FIG. 3 is a sectional view of a portion corresponding to the line ■--■ in FIG. 1. A... Original piston, 1... Crown part made of ceramic material, 2... Skirt part made of metal material, 3... Combustion chamber,
4... Central protrusion, 5... Constriction, 6... Peripheral wall, 7... Ampulla, 8... Deep bottom surface, 9... Annular recess, 10... Notch, 11... Steel wire mesh material, 12
...Laminated part, 13...Perforated plate made of heat insulating material, 1
4...Crown side intrusion part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上面側に燃焼室を形成するとともに、下面側に下向きの
中央突部と周方向に切欠きを有するくびれ部と、前記中
央突部の周面、くびれ部の周面、周壁部の内周面、環状
凹部の内側周面および奥底面とで画成した環状凹陥部と
を形成してなるセラミック材製クラウン部材を設け、前
記凹陥部の周面について沿い鋼線材製網状物の積層部を
形成し、前記クラウン部材の中央部下向き面と周壁部下
面とに断熱材製孔明きプレートを積層介在させ、前記環
状凹陥部から積層部に溶融金属を侵入せしめてクラウン
側侵入部を形成しセラミック材製クラウン部材と金属材
製スカート部とを合体鋳込んでなるピストン。A combustion chamber is formed on the upper surface side, and a constriction portion having a downward central protrusion and a notch in the circumferential direction on the lower surface side, the circumferential surface of the central protrusion, the circumferential surface of the constricted portion, and the inner circumferential surface of the peripheral wall portion. , a crown member made of a ceramic material is provided to form an annular recess defined by an inner circumferential surface and a deep bottom surface of the annular recess, and a laminated portion of a mesh made of steel wire is formed along the circumferential surface of the recess. A perforated plate made of a heat insulating material is laminated and interposed between the central downward facing surface of the crown member and the lower surface of the peripheral wall, and molten metal is allowed to enter the laminated portion from the annular recessed portion to form a crown side intrusion portion. A piston made by integrally casting a metal crown member and a metal skirt part.
JP20059782U 1982-12-28 1982-12-28 piston Granted JPS59103846U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20059782U JPS59103846U (en) 1982-12-28 1982-12-28 piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20059782U JPS59103846U (en) 1982-12-28 1982-12-28 piston

Publications (2)

Publication Number Publication Date
JPS59103846U true JPS59103846U (en) 1984-07-12
JPH0118819Y2 JPH0118819Y2 (en) 1989-06-01

Family

ID=30426121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20059782U Granted JPS59103846U (en) 1982-12-28 1982-12-28 piston

Country Status (1)

Country Link
JP (1) JPS59103846U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141209U (en) * 1978-03-27 1979-10-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141209U (en) * 1978-03-27 1979-10-01

Also Published As

Publication number Publication date
JPH0118819Y2 (en) 1989-06-01

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