JPH0442247U - - Google Patents

Info

Publication number
JPH0442247U
JPH0442247U JP8391990U JP8391990U JPH0442247U JP H0442247 U JPH0442247 U JP H0442247U JP 8391990 U JP8391990 U JP 8391990U JP 8391990 U JP8391990 U JP 8391990U JP H0442247 U JPH0442247 U JP H0442247U
Authority
JP
Japan
Prior art keywords
ring
piston
ring groove
pin hole
oil
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
JP8391990U
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 JP8391990U priority Critical patent/JPH0442247U/ja
Publication of JPH0442247U publication Critical patent/JPH0442247U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)

Description

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

第１図及び第２図は本考案の実施例を示し、第
１図はエンジンのピストンの縦断面図、第２図は
同ピストンの横断平面図、第３図は従来技術を示
す第１図相当図である。 １……ピストン、２……リング溝、３……コン
プレツシヨンリング用リング溝、４……オイルリ
ング用リング溝、５……ピストンピン穴、６……
ピストンヘツド。 1 and 2 show an embodiment of the present invention, FIG. 1 is a longitudinal sectional view of a piston of an engine, FIG. 2 is a cross-sectional plan view of the same piston, and FIG. 3 is a first diagram showing the prior art. This is a corresponding diagram. 1...Piston, 2...Ring groove, 3...Ring groove for compression ring, 4...Ring groove for oil ring, 5...Piston pin hole, 6...
piston head.

Claims (1)

【実用新案登録請求の範囲】 ピストン１の上部に複数本のリング溝２を形成
し、ピストン１の途中部にピストンピン穴５を空
け、ピストンヘツド６寄りのリング溝２をコンプ
レツシヨンリング用リング溝３に、ピストンピン
穴５寄りのリング溝２をオイルリング用リング溝
４に各々設定したエンジンのピストンにおいて、 ピストンピン穴５に最も近いオイルリング用リ
ング溝４は、その一部をピストンピン穴５の一部
に上下方向に重ね合わせる状態に配置されたこと
を特徴とするエンジンのピストン。[Claim for Utility Model Registration] A plurality of ring grooves 2 are formed in the upper part of the piston 1, a piston pin hole 5 is made in the middle of the piston 1, and the ring groove 2 near the piston head 6 is used for a compression ring. In an engine piston in which the ring groove 3 is set closer to the piston pin hole 5 and the ring groove 2 for the oil ring is set as the ring groove 4 for the oil ring, a part of the ring groove 4 for the oil ring closest to the piston pin hole 5 is set as the ring groove 4 for the oil ring. An engine piston characterized in that it is arranged in a vertically overlapping state in a part of a pin hole 5.
JP8391990U 1990-08-07 1990-08-07 Pending JPH0442247U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8391990U JPH0442247U (en) 1990-08-07 1990-08-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8391990U JPH0442247U (en) 1990-08-07 1990-08-07

Publications (1)

Publication Number Publication Date
JPH0442247U true JPH0442247U (en) 1992-04-09

Family

ID=31631992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8391990U Pending JPH0442247U (en) 1990-08-07 1990-08-07

Country Status (1)

Country Link
JP (1) JPH0442247U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6192125A (en) * 1984-10-11 1986-05-10 松下冷機株式会社 Discharge circuit for frequency changer
JPS62115580A (en) * 1985-11-15 1987-05-27 Hitachi Ltd Closed area filling method
JPS63100634A (en) * 1986-10-16 1988-05-02 Mitsubishi Electric Corp optical disc

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6192125A (en) * 1984-10-11 1986-05-10 松下冷機株式会社 Discharge circuit for frequency changer
JPS62115580A (en) * 1985-11-15 1987-05-27 Hitachi Ltd Closed area filling method
JPS63100634A (en) * 1986-10-16 1988-05-02 Mitsubishi Electric Corp optical disc

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