JPS5877117U - Internal combustion engine piston cooling system - Google Patents

Internal combustion engine piston cooling system

Info

Publication number
JPS5877117U
JPS5877117U JP17198881U JP17198881U JPS5877117U JP S5877117 U JPS5877117 U JP S5877117U JP 17198881 U JP17198881 U JP 17198881U JP 17198881 U JP17198881 U JP 17198881U JP S5877117 U JPS5877117 U JP S5877117U
Authority
JP
Japan
Prior art keywords
piston
heat
utility
model registration
cooling device
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
JP17198881U
Other languages
Japanese (ja)
Other versions
JPS6224741Y2 (en
Inventor
猛 奥村
正仁 柴田
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP17198881U priority Critical patent/JPS5877117U/en
Publication of JPS5877117U publication Critical patent/JPS5877117U/en
Application granted granted Critical
Publication of JPS6224741Y2 publication Critical patent/JPS6224741Y2/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 drawings]

第１図は本考案の第一実施例の要部縦断面図であり、第
２図のＩ−Ｉ線に沿って切断された断面′図である。第
２図は第１図のピストンの上面図である。第３図は第１
図のヒートパイプを下方から見た平面図である。第４図
は冷却用オイル通路を表わすコンロッドの要部側面図で
弗る。第５図は本考案の第二実施例のピストンの縦断面
図である。 第６図は本考案の第三実施例のピストンの縦断面図であ
る。 １・・・・・・ピストン、ｌａ・・・・・・クラウン部
、１ｂ・・・・・・リング溝、１ｃ−−−−−−スカ、
−ト部、２−−−−−−ｅストンピン、３・・・・・・
コンロッド、３ａ・・・・・・小端部、３ｂ・・・・・
・大端部、３ｃ、　　３ｃ’・・・・・・冷却用オイル
の　−吐出口、４・・・・・・クランク軸、６・・・・
・・ヒートパイプ、６ａ・・・・・・吸熱部、６ｂ・・
・・・・柊熱部、６Ｃ・・・・・・フィン。 第１図 第２図FIG. 1 is a longitudinal sectional view of a main part of a first embodiment of the present invention, and is a sectional view taken along line I--I in FIG. FIG. 2 is a top view of the piston of FIG. 1. Figure 3 is the first
FIG. 3 is a plan view of the heat pipe shown in the figure, viewed from below. FIG. 4 is a side view of the main part of the connecting rod showing the cooling oil passage. FIG. 5 is a longitudinal sectional view of a piston according to a second embodiment of the present invention. FIG. 6 is a vertical sectional view of a piston according to a third embodiment of the present invention. 1...Piston, la...Crown part, 1b...Ring groove, 1c---Scar,
-G part, 2----e Stomp pin, 3...
Connecting rod, 3a...small end, 3b...
・Big end, 3c, 3c'... -Discharge port for cooling oil, 4... Crankshaft, 6...
...Heat pipe, 6a... Heat absorption part, 6b...
...Hiragi Netsubu, 6C...Fin. Figure 1 Figure 2

Claims (5)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）ピストンのクラウン部内の径方向にヒートパイプ
の吸熱部を蛇行させて埋設し、該ヒートパイプを前記ピ
ストンの内面に沿って前記ピストンのスカート部方向に
伸設すると共に、前記ヒートパイプを前記スカート部付
近において前記ピストンの内部方向に油面させて放熱部
を形成し、該放熱部に冷却用オイルを吐出し得る位置に
冷却用オイルの吐出口を配設したことを特徴とする内燃
機関のピストン冷却装置。(1) A heat absorbing portion of a heat pipe is buried in a meandering manner in the radial direction within the crown portion of the piston, and the heat pipe is extended along the inner surface of the piston toward the skirt portion of the piston, and the heat pipe is An internal combustion engine characterized in that a heat radiating part is formed near the skirt part with an oil surface facing inward of the piston, and a cooling oil discharge port is disposed at a position where cooling oil can be discharged to the heat radiating part. Engine piston cooling system. （２）実用新案登録請求の範囲第１項記載のピストン冷
却装置において、前記ヒートパイプを前記吸熱部の両端
から前記ピストンの内面に沿って前記スカート部方向に
それぞれ伸設し、前記ヒートパイプを前記スカート部付
近におりて前記ピ子トンの内部方向に屈曲させて共通の
放熱部に連結してなるもの。(2) Utility Model Registration Scope of Claim 1 In the piston cooling device according to claim 1, the heat pipes are extended from both ends of the heat absorption part toward the skirt part along the inner surface of the piston, and the heat pipes are It is bent inward of the piston near the skirt portion and connected to a common heat radiating portion. （３）実用新案登録請求の範囲第１項又は第２項記載の
ピストン冷却装置において、前記ヒートパイ／の前記放
熱部にフィンを形成してなるもの。(3) Utility Model Registration The piston cooling device according to claim 1 or 2, wherein fins are formed in the heat radiation portion of the heat pie. （４）実用新案登録請求の範囲第１項ないし第３項のう
ちのいずれか１項に記載したピストン冷却装置において
、前記冷却用オイルの吐出口をコネクテイシグロツドの
大端部に形成してなるもの。(4) Utility Model Registration In the piston cooling device described in any one of claims 1 to 3, the cooling oil discharge port is formed at the large end of the connecting rod. That's what happens. （５）実用新案登録請求の範囲第１項ないし第３項のう
ちいずれか１竿に記載したピストン冷却装置において、
′前記冷却用オイルの吐出口をコネレテイングロツド′
ρ小端部に形成してなるもの。(5) Scope of Utility Model Registration In the piston cooling device described in any one of claims 1 to 3,
' Connecting the cooling oil outlet'
ρ is formed at the small end.
JP17198881U 1981-11-20 1981-11-20 Internal combustion engine piston cooling system Granted JPS5877117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17198881U JPS5877117U (en) 1981-11-20 1981-11-20 Internal combustion engine piston cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17198881U JPS5877117U (en) 1981-11-20 1981-11-20 Internal combustion engine piston cooling system

Publications (2)

Publication Number Publication Date
JPS5877117U true JPS5877117U (en) 1983-05-25
JPS6224741Y2 JPS6224741Y2 (en) 1987-06-24

Family

ID=29963900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17198881U Granted JPS5877117U (en) 1981-11-20 1981-11-20 Internal combustion engine piston cooling system

Country Status (1)

Country Link
JP (1) JPS5877117U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199627U (en) * 1984-12-05 1986-06-25
JP2008509337A (en) * 2004-08-11 2008-03-27 マーレ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング Light metal piston with heat pipe
KR101210098B1 (en) 2004-08-11 2012-12-07 말레 인터내셔널 게엠베하 Cooling duct piston for an internal combustion engine comprising heat pipes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5273250A (en) * 1975-12-12 1977-06-18 Gen Motors Corp Combustion chamber of internal combustion engine
JPS56124242U (en) * 1980-02-22 1981-09-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5273250A (en) * 1975-12-12 1977-06-18 Gen Motors Corp Combustion chamber of internal combustion engine
JPS56124242U (en) * 1980-02-22 1981-09-21

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199627U (en) * 1984-12-05 1986-06-25
JP2008509337A (en) * 2004-08-11 2008-03-27 マーレ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング Light metal piston with heat pipe
KR101210098B1 (en) 2004-08-11 2012-12-07 말레 인터내셔널 게엠베하 Cooling duct piston for an internal combustion engine comprising heat pipes
KR101279844B1 (en) * 2004-08-11 2013-07-05 말레 인터내셔널 게엠베하 Lightweight piston comprising heat pipes
EP1778964B1 (en) * 2004-08-11 2016-03-09 Mahle International GmbH Lightweight piston comprising heat pipes

Also Published As

Publication number Publication date
JPS6224741Y2 (en) 1987-06-24

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