JPH0294345U - - Google Patents

Info

Publication number
JPH0294345U
JPH0294345U JP309089U JP309089U JPH0294345U JP H0294345 U JPH0294345 U JP H0294345U JP 309089 U JP309089 U JP 309089U JP 309089 U JP309089 U JP 309089U JP H0294345 U JPH0294345 U JP H0294345U
Authority
JP
Japan
Prior art keywords
parts
skeleton
skirt
sides
piston
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
JP309089U
Other languages
Japanese (ja)
Other versions
JPH0736108Y2 (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 JP309089U priority Critical patent/JPH0736108Y2/en
Publication of JPH0294345U publication Critical patent/JPH0294345U/ja
Application granted granted Critical
Publication of JPH0736108Y2 publication Critical patent/JPH0736108Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)

Description

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

第１図は本考案による内燃機関用スケルトン型
ピストンの一つの実施例を示すスラスト側よりの
側面図、第２図は第１図に示された本考案による
内燃機関用スケルトン型ピストンのピンボス側よ
りの側面図、第３図は第１図及び第２図に示され
た内燃機関用スケルトン型ピストンの底面図であ
る。 １０……クラウン部、１２……トツプリング溝
、１４……セカンドリング溝、１６……オイルリ
ング溝、１８……ピストンピン孔、２０……ピン
ボス部、２２……上部スカート部、２４……下部
スカート部、２６……側部スカート部、２８……
中央スカート部、３０……第一のスケルトン、３
２……第二のスケルトン。 Figure 1 is a side view from the thrust side showing one embodiment of the skeleton piston for internal combustion engines according to the present invention, and Figure 2 is the pin boss side of the skeleton piston for internal combustion engines according to the present invention shown in Figure 1. FIG. 3 is a bottom view of the skeleton piston for an internal combustion engine shown in FIGS. 1 and 2. 10...Crown part, 12...Top ring groove, 14...Second ring groove, 16...Oil ring groove, 18...Piston pin hole, 20...Pin boss part, 22...Upper skirt part, 24... Lower skirt portion, 26... Side skirt portion, 28...
Central skirt section, 30...first skeleton, 3
2...Second skeleton.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] クラウン部とスラスト及び反スラスト側の下部
スカート部とがスケルトンにより接続されてこれ
らが外周面で見て非連続の形態をなす内燃機関用
スケルトン型ピストンに於て、スラスト側或いは
反スラスト側の下部スカート部の少なくともいず
れか一方がピストン周方向に見て三分割され、三
分割された下部スカート部のうち両側部にある二
つの側部スカート部は各々ピストンピンボス部よ
り延設された第一のスケルトンにより支持され、
三分割された下部スカート部のうち中央にある中
央スカート部はその両側にある側部スカート部の
各々の支持を行う二つの前記第一のスケルトンの
各々より延設された第二のスケルトンにより両持
ち支持されていることを特徴とする内燃機関用ス
ケルトン型ピストン。 In a skeleton piston for an internal combustion engine, in which the crown part and the lower skirt parts on the thrust and anti-thrust sides are connected by a skeleton and these parts are discontinuous when viewed from the outer circumferential surface, the lower part on the thrust side or the anti-thrust side At least one of the skirt parts is divided into three parts when viewed in the circumferential direction of the piston, and two side skirt parts on both sides of the lower skirt part divided into three parts are each connected to a first part extending from the piston pin boss part. supported by the skeleton,
Of the three divided lower skirt parts, the central skirt part in the center is supported on both sides by second skeletons extending from each of the two first skeletons that support the side skirt parts on both sides. A skeleton-type piston for internal combustion engines characterized by being held and supported.
JP309089U 1989-01-13 1989-01-13 Skeleton type piston for internal combustion engine Expired - Fee Related JPH0736108Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP309089U JPH0736108Y2 (en) 1989-01-13 1989-01-13 Skeleton type piston for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP309089U JPH0736108Y2 (en) 1989-01-13 1989-01-13 Skeleton type piston for internal combustion engine

Publications (2)

Publication Number Publication Date
JPH0294345U true JPH0294345U (en) 1990-07-26
JPH0736108Y2 JPH0736108Y2 (en) 1995-08-16

Family

ID=31204417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP309089U Expired - Fee Related JPH0736108Y2 (en) 1989-01-13 1989-01-13 Skeleton type piston for internal combustion engine

Country Status (1)

Country Link
JP (1) JPH0736108Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012107635A (en) * 2012-03-09 2012-06-07 Toyota Motor Corp Piston of internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012107635A (en) * 2012-03-09 2012-06-07 Toyota Motor Corp Piston of internal combustion engine

Also Published As

Publication number Publication date
JPH0736108Y2 (en) 1995-08-16

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees