JPS61159644U - - Google Patents

Info

Publication number
JPS61159644U
JPS61159644U JP4315585U JP4315585U JPS61159644U JP S61159644 U JPS61159644 U JP S61159644U JP 4315585 U JP4315585 U JP 4315585U JP 4315585 U JP4315585 U JP 4315585U JP S61159644 U JPS61159644 U JP S61159644U
Authority
JP
Japan
Prior art keywords
piston
ceramic
coating layer
heat insulating
ceramics
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
JP4315585U
Other languages
Japanese (ja)
Other versions
JPH0435563Y2 (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 JP1985043155U priority Critical patent/JPH0435563Y2/ja
Publication of JPS61159644U publication Critical patent/JPS61159644U/ja
Application granted granted Critical
Publication of JPH0435563Y2 publication Critical patent/JPH0435563Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Gasket Seals (AREA)

Description

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

第１図は本考案の第１実施例に係る断熱ピスト
ンの正面断面図、第２図は同断熱ピストンにおけ
る断熱ガスケツトの正面断面図、第３図は本考案
の一部変更実施例に係る断熱ピストンの要部を示
す正面断面図である。 ４：ピストン冠部、４ａ：下面、５：ピストン
本体、５ａ：上面、１２：ナツト、１７：ボルト
、２７：低熱伝導率物質、３２：円筒部、３４：
断熱ガスケツト、３５，３６：耐熱性金属板、４
０：コーテイング層。 FIG. 1 is a front sectional view of a heat insulating piston according to a first embodiment of the present invention, FIG. 2 is a front sectional view of a heat insulating gasket in the same heat insulating piston, and FIG. FIG. 3 is a front sectional view showing the main parts of the piston. 4: Piston crown, 4a: Lower surface, 5: Piston body, 5a: Upper surface, 12: Nut, 17: Bolt, 27: Low thermal conductivity material, 32: Cylindrical portion, 34:
Insulating gasket, 35, 36: Heat-resistant metal plate, 4
0: Coating layer.

Claims (1)

【実用新案登録請求の範囲】 (1) 金属からなるピストン本体の上面にセラミ
ツクスからなるコーテイング層を設け、該コーテ
イング層の上側に耐熱性金属板からなる袋体に低
熱伝導率物質を内包してなる断熱ガスケツトを挾
んでセラミツクスからなるピストン冠部を重ね合
わせ、ボルトおよびナツトにより結合したことを
特徴とする断熱ピストン。 (2) ピストン本体５の上面外周側に環状の突条
を形成し、この突条によつて囲まれる円筒部の内
部にセラミツクスからなる前記コーテイング層を
設けた実用新案登録請求の範囲(1)に記載の断熱
ピストン。[Claims for Utility Model Registration] (1) A coating layer made of ceramic is provided on the upper surface of a piston body made of metal, and a low thermal conductivity substance is contained in a bag made of a heat-resistant metal plate above the coating layer. A heat insulating piston characterized in that a piston crown made of ceramics is overlapped with a heat insulating gasket sandwiching between the piston crown parts made of ceramics, and the piston crown parts made of ceramic are overlapped and connected with bolts and nuts. (2) Utility model registration claim (1) in which an annular protrusion is formed on the outer circumferential side of the upper surface of the piston body 5, and the coating layer made of ceramic is provided inside the cylindrical portion surrounded by the protrusion. The insulated piston described in .
JP1985043155U 1985-03-27 1985-03-27 Expired JPH0435563Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985043155U JPH0435563Y2 (en) 1985-03-27 1985-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985043155U JPH0435563Y2 (en) 1985-03-27 1985-03-27

Publications (2)

Publication Number Publication Date
JPS61159644U true JPS61159644U (en) 1986-10-03
JPH0435563Y2 JPH0435563Y2 (en) 1992-08-24

Family

ID=30554562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985043155U Expired JPH0435563Y2 (en) 1985-03-27 1985-03-27

Country Status (1)

Country Link
JP (1) JPH0435563Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008267205A (en) * 2007-04-18 2008-11-06 Nishishiba Electric Co Ltd Piston and oilless compressor
US9771861B2 (en) 2014-09-09 2017-09-26 Avl Powertrain Engineering, Inc. Opposed piston two-stroke engine with thermal barrier
JP2021161977A (en) * 2020-04-01 2021-10-11 マツダ株式会社 Combustion chamber structure of engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555662U (en) * 1978-10-07 1980-04-15
JPS5637419A (en) * 1979-08-31 1981-04-11 Daido Steel Co Ltd Controlling method of operation of burner in combustion furnace
JPS59184342U (en) * 1983-05-26 1984-12-07 三菱重工業株式会社 piston

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555662U (en) * 1978-10-07 1980-04-15
JPS5637419A (en) * 1979-08-31 1981-04-11 Daido Steel Co Ltd Controlling method of operation of burner in combustion furnace
JPS59184342U (en) * 1983-05-26 1984-12-07 三菱重工業株式会社 piston

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008267205A (en) * 2007-04-18 2008-11-06 Nishishiba Electric Co Ltd Piston and oilless compressor
US9771861B2 (en) 2014-09-09 2017-09-26 Avl Powertrain Engineering, Inc. Opposed piston two-stroke engine with thermal barrier
JP2021161977A (en) * 2020-04-01 2021-10-11 マツダ株式会社 Combustion chamber structure of engine

Also Published As

Publication number Publication date
JPH0435563Y2 (en) 1992-08-24

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