JPH0457650U - - Google Patents

Info

Publication number
JPH0457650U
JPH0457650U JP9923590U JP9923590U JPH0457650U JP H0457650 U JPH0457650 U JP H0457650U JP 9923590 U JP9923590 U JP 9923590U JP 9923590 U JP9923590 U JP 9923590U JP H0457650 U JPH0457650 U JP H0457650U
Authority
JP
Japan
Prior art keywords
cavity
wall
piston
constituting
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.)
Pending
Application number
JP9923590U
Other languages
English (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 JP9923590U priority Critical patent/JPH0457650U/ja
Publication of JPH0457650U publication Critical patent/JPH0457650U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示すもので、第1図は
シリンダブロツクの要部縦断面図、第2図は第1
図−線断面図、第3図は第1図矢視図であ
る。 DE……デイーゼルエンジン、J……オイルジ
エツト、3……ピストン、4……キヤビテイ、5
……キヤビテイ構成壁、5a……周壁部、5b…
…底壁部、6……断熱層、7a,7b……リング
溝、10……環状溝。

Claims (1)

  1. 【実用新案登録請求の範囲】 エンジンの鋳鉄製のピストンにおいて、 ピストンの上段部には上端面からキヤビテイが
    凹設されるとともに、 上記キヤビテイを形成するキヤビテイ構成壁は
    底壁部と周壁部とを備え、 上記キヤビテイ構成壁の周壁部とリング溝との
    間に冷却オイルのオイルジエツトが下方から吹き
    つけられる環状溝が形成され、 上記キヤビテイ構成壁の底壁部と周壁部の裏面
    にセラミツク材料製の断熱層が形成されているこ
    とを特徴とするエンジンのピストン。
JP9923590U 1990-09-20 1990-09-20 Pending JPH0457650U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9923590U JPH0457650U (ja) 1990-09-20 1990-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9923590U JPH0457650U (ja) 1990-09-20 1990-09-20

Publications (1)

Publication Number Publication Date
JPH0457650U true JPH0457650U (ja) 1992-05-18

Family

ID=31841020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9923590U Pending JPH0457650U (ja) 1990-09-20 1990-09-20

Country Status (1)

Country Link
JP (1) JPH0457650U (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014034917A (ja) * 2012-08-08 2014-02-24 Hino Motors Ltd エンジンのピストン構造
WO2017201354A1 (en) * 2016-05-19 2017-11-23 Federal-Mogul Llc Piston having an undercrown surface with insulating coating and method of manufacture thereof
JP6293317B1 (ja) * 2017-01-12 2018-03-14 株式会社新エィシーイー ピストン
WO2019165025A1 (en) * 2018-02-21 2019-08-29 Tenneco Inc. Coating to reduce coking deposits on steel pistons

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562041B2 (ja) * 1972-04-19 1981-01-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562041B2 (ja) * 1972-04-19 1981-01-17

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014034917A (ja) * 2012-08-08 2014-02-24 Hino Motors Ltd エンジンのピストン構造
WO2017201354A1 (en) * 2016-05-19 2017-11-23 Federal-Mogul Llc Piston having an undercrown surface with insulating coating and method of manufacture thereof
US10859033B2 (en) 2016-05-19 2020-12-08 Tenneco Inc. Piston having an undercrown surface with insulating coating and method of manufacture thereof
JP6293317B1 (ja) * 2017-01-12 2018-03-14 株式会社新エィシーイー ピストン
JP2018112149A (ja) * 2017-01-12 2018-07-19 株式会社新エィシーイー ピストン
WO2019165025A1 (en) * 2018-02-21 2019-08-29 Tenneco Inc. Coating to reduce coking deposits on steel pistons
US11168643B2 (en) 2018-02-21 2021-11-09 Tenneco Inc. Coating to reduce coking deposits on steel pistons

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