JPH03260414A - Manufacture of connecting rod - Google Patents
Manufacture of connecting rodInfo
- Publication number
- JPH03260414A JPH03260414A JP5706490A JP5706490A JPH03260414A JP H03260414 A JPH03260414 A JP H03260414A JP 5706490 A JP5706490 A JP 5706490A JP 5706490 A JP5706490 A JP 5706490A JP H03260414 A JPH03260414 A JP H03260414A
- Authority
- JP
- Japan
- Prior art keywords
- oil hole
- sintering
- connecting rod
- large end
- pair
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000005245 sintering Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000000748 compression moulding Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000005219 brazing Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005461 lubrication Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000846 In alloy Inorganic materials 0.000 description 1
- 229910003286 Ni-Mn Inorganic materials 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005480 shot peening Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、レシプロエンジンに用いられるコネクティン
グロッドの製造方法に係り 特に大端部から小端部に貫
通する油孔をイｊするコネクティングロッドの製造方法
に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a method for manufacturing a connecting rod used in a reciprocating engine, and particularly to a method for manufacturing a connecting rod that has an oil hole penetrating from a large end to a small end. Regarding the manufacturing method.
（従来の技術）
レシプロエンジンにあっては、ピストンの冷却および潤
滑を目的に、コネクティングロッド（以下、＠にコンロ
、ドという）に油孔を設けて、この油孔を通じて油を噴
射させるようにしているが、近年、エンジンの高出力、
高回転化が進む中で、ピストンの冷却効果を高める一層
の７［夫が望まれるようになってきている。第５図は、
このような要望に応えたコンロ−７ドの１つを示したも
ので、図中、ＩＡで示されるコンロッドにｔ±、大端部
２からコラム部３の軸心上を通って小端部４に貫通する
油孔５が設けられている。なお、大端部２はキャップ（
図示略）と２分割構成され、ボルト通し孔６を挿通させ
たボルトにてキャップが一体化されるようになっている
。か＼るコンロッドＩＡによれば、油の供給源であるク
ランクピン（図示略）に接する大端部２からピストンピ
ン（図示略）に接する小端部４に直接油を供給すること
ができ、ピストンの冷却および潤滑効果は高まるように
なる。(Prior art) In a reciprocating engine, an oil hole is provided in the connecting rod (hereinafter referred to as ``conro'' and ``do'') for the purpose of cooling and lubricating the piston, and oil is injected through this oil hole. However, in recent years, the high output of engines,
As engine speeds continue to increase, engines with a 7-inch engine are increasingly desired to improve the cooling effect of the piston. Figure 5 shows
This figure shows one of the connecting rods 7 that met these demands. An oil hole 5 penetrating through 4 is provided. In addition, the big end 2 has a cap (
(not shown), and the cap is integrated with a bolt inserted through a bolt through hole 6. According to the connecting rod IA, oil can be directly supplied from the large end 2 in contact with the crank pin (not shown), which is the oil supply source, to the small end 4 in contact with the piston pin (not shown), The cooling and lubrication effect of the piston becomes enhanced.
ところで、コンロ−、ド ｌの大端部２は、メタル（軸
受）を介してクランクピンに取付けられるが、このメタ
ル内周とクランクビンとの間には、金属接触による焼付
けを防止するためオイルクリアランスが設けられる。こ
のため、クランクビンの軸心軌跡で見た油膜厚さは、第
６図に符号ａで示すように、コラム部３の軸心よりスラ
スト側（ピストンが上昇する時にシリンダ壁に接近する
側）に傾くほど大きくなり、したがってこの油膜厚さａ
を大きくとれる大端部２の内周壁に油孔５を開口させれ
ばピストンに対する油の供給量が増して冷却および潤滑
効果がより一層高まるようになる。By the way, the large end 2 of the stove is attached to the crank pin via a metal (bearing), but there is oil between the inner periphery of this metal and the crank pin to prevent seizure due to metal contact. Clearance will be provided. Therefore, the oil film thickness as seen from the axis locus of the crankbin is on the thrust side (the side approaching the cylinder wall when the piston moves up) from the axis of the column part 3, as shown by the symbol a in Fig. 6. Therefore, the oil film thickness a
If the oil hole 5 is opened in the inner circumferential wall of the large end 2, which can have a large diameter, the amount of oil supplied to the piston will be increased, and the cooling and lubrication effects will be further enhanced.
そこで従来、第７図に示すように、コラム部３の側縁部
に油孔５を直線的に貫通させて、大端部２への油孔５の
開口５ａをコラム部３の軸心よりスラスト側に偏位させ
るようにしたコンロッドＩＢが用いられていた。しかし
ながら、か覧るコンロッドＩＢによれば、コラム部３の
幅により油孔５を設ける部位が制約されるため、コラム
部３の軸心に対する油孔５の開口５ａの偏位量、すなわ
ちコラム部３の軸心と開口５ａを通る大端部２の中心線
とのなす角度θはせいぜい２００程度であり、この程度
では油膜厚さもそれ程大きくなく（第６図）、油孔５に
流入する油量にも限界のあるところとなっていた。Therefore, conventionally, as shown in FIG. 7, an oil hole 5 is linearly passed through the side edge of the column part 3, and the opening 5a of the oil hole 5 to the big end part 2 is set from the axis of the column part 3. A connecting rod IB was used that was deviated toward the thrust side. However, according to the connecting rod IB shown in FIG. 3 and the center line of the large end 2 passing through the opening 5a, the angle θ is about 200 at most, and at this level, the oil film thickness is not so large (Fig. 6), and the oil flowing into the oil hole 5 is There was also a limit to the quantity.
このため、一部では、第８図に示すように、大端部２の
内周に近接して縦横に貫通孔７，７を設け、この貫通孔
７，７の余分な開口をプラグ８゜８で密栓して一連の油
孔５を形成するようにしたコンロッドＩＣが用いられて
いる。か＼るコンロッドｌＣによれば、コラム部３の軸
心と開口５ａを通る大端部２の中心線とのなす角度θを
少なくとも３０’以上にすることができ、油孔５への油
量を大幅に増大させることができるようになる。For this reason, in some cases, as shown in FIG. 8, through-holes 7, 7 are provided vertically and horizontally close to the inner periphery of the large end 2, and the excess openings of the through-holes 7, 7 are closed by a plug 8°. A connecting rod IC is used which is sealed at 8 to form a series of oil holes 5. According to the connecting rod 1C, the angle θ between the axis of the column part 3 and the center line of the large end 2 passing through the opening 5a can be made at least 30', and the amount of oil in the oil hole 5 can be increased. can be significantly increased.
（発明が解決しようとする課題）
しかしながら、Ｌ記貫通孔７を設けて余分な開口を密栓
して成るコンロッドによれば、加工の都合上、貫通孔７
．７は直線的となってその交差部に切欠が発生し、強度
低下を避けることができないという問題があった。また
、貫通孔７の余分な開口をプラグ８にて密栓する際、そ
の開口を確実にシールするのが困難であるという問題も
あった。(Problem to be Solved by the Invention) However, according to the connecting rod formed by providing the L-shaped through hole 7 and sealing the extra opening, the through hole 7
．． 7 is a straight line, and a notch occurs at the intersection thereof, resulting in an unavoidable decrease in strength. Further, when sealing the extra opening of the through hole 7 with the plug 8, there is also a problem in that it is difficult to reliably seal the opening.
本発明は、上記従来の問題を解決することを課題として
なされたもので、その目的とするところは、耐久信頼性
を犠牲にすることなく冷却および潤滑効果の大きな油孔
を有するコンロッドを製造できる方法を提供することに
ある。The present invention was made to solve the above-mentioned conventional problems, and its purpose is to manufacture a connecting rod having oil holes with large cooling and lubrication effects without sacrificing durability and reliability. The purpose is to provide a method.
（課題を解決するための手段）
本発明は、上記目的を遠戚するため、コラム部の軸心よ
りスラスト側へ少なくとも３０°以上傾斜する大端部の
中心線と該大端部の内周壁との交差部位に一端を開口さ
せかつコラム部を経て小端部に他端を開口させた油孔を
有するコネクティングロッドの製造方法において、コラ
ム部の軸心を含みかつ大端部の軸心に直交する面で２分
割した一対の半割り体を焼結用金属粉から圧縮成形し、
そして、この圧縮成形に際して該半割り体の分割面に前
記油孔の軌跡に沿う断面半円形の溝を成形し、しかる後
に前記一対の半割り体を焼結し、この焼結時または焼結
後に該一対の半割り体をろう付けするように＃Ｊ成した
ことを特徴とする。(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention provides a center line of a large end that is inclined at least 30 degrees toward the thrust side from the axis of a column part, and an inner circumferential wall of the large end. In the method for manufacturing a connecting rod having an oil hole which has one end opened at the intersection with the column part and the other end opened at the small end part through the column part, A pair of halves are divided into two halves on orthogonal planes, and compression molded from sintering metal powder.
Then, during this compression molding, grooves having a semicircular cross section along the locus of the oil holes are formed on the dividing surface of the half-split bodies, and then the pair of half-split bodies are sintered. #J is characterized in that the pair of half-split bodies are later brazed.
（作用）
１−記のように４Ｉ威したコンロッドの製造方法におい
ては、半割り体を圧縮成形する際、断面半円形の溝も同
時に成形することにより、該溝の合体で得られる油孔を
大端部内周壁の任意の部位に開口させることができる。(Function) In the method for manufacturing connecting rods using 4I as described in 1-1, when compression molding the half-split body, grooves having a semicircular cross section are also molded at the same time, so that the oil holes obtained by combining the grooves are The opening can be made at any location on the inner circumferential wall of the large end.
また、圧縮成形に際して溝を任意の曲線形状に形成する
ことも可能で、油孔から切欠部分を排除することができ
る。Further, it is also possible to form the groove in an arbitrary curved shape during compression molding, and the cutout portion can be eliminated from the oil hole.
（実施例）
以下１本発明の実施例を添付図面にもとづいて説明する
。(Example) An example of the present invention will be described below based on the accompanying drawings.
第３．４図は、本発明の方法で製造したフンロッドを示
したものである。なお、これらの図において、前出の第
５図に示した部分と同一部分には同一符号を付し、その
説明は省略する。Figure 3.4 shows a hun rod produced by the method of the invention. In these figures, the same parts as those shown in FIG. 5 above are given the same reference numerals, and the explanation thereof will be omitted.
本フンロッド ｌの＃徴とするところは、油孔５の大端
部２への開口５ａを、コラム部３の軸心よリスラスト側
へ少なくとも３０°以上傾斜する大端部３の中心線と該
大端部３の内周壁との交差部位に設け、この開口５ａか
ら大端部２の内周壁の円弧に沿って油孔５をコラム部３
の軸心部位まで導き、さらに該油孔５をコラム部３の軸
心上を通して小端部４に貫通させた点にある０本コンロ
ッド ｌはまた、コラム部３をＨ形に形成してその軸心
に沿う部分を厚肉部３ａとなし、この厚肉部３ａに油孔
５を設けることにより強度低下を防止している。か＼る
コンロッド １の構成によれば、コラム部３の軸心と開
口５ａを通る大端部２の中心線とのなす角度θを十分大
きくとることかでき、油孔５への油量を大幅に増大させ
ることができる。The # symbol of this Hun rod l means that the opening 5a of the oil hole 5 to the large end 2 is aligned with the center line of the large end 3 which is inclined at least 30 degrees toward the rear thrust side from the axis of the column part 3. The oil hole 5 is provided at the intersection with the inner circumferential wall of the large end portion 3, and the oil hole 5 is provided in the column portion 3 along the circular arc of the inner circumferential wall of the large end portion 2 from this opening 5a.
The oil hole 5 is guided to the axial center of the column part 3, and the oil hole 5 is passed through the small end part 4 through the axial center of the column part 3. A portion along the axis is formed as a thick wall portion 3a, and an oil hole 5 is provided in this thick wall portion 3a to prevent a decrease in strength. According to the configuration of the connecting rod 1, the angle θ between the axis of the column portion 3 and the center line of the large end portion 2 passing through the opening 5a can be made sufficiently large, and the amount of oil flowing into the oil hole 5 can be made large enough. It can be increased significantly.
しかして、上記コンロッド ｌを製造するため、本発明
においては先ず第１図に示すように、上記コラム部３の
軸心を含みかつ大端部２の軸心に直交する面で２分割し
た一対の半割り体ｌｌを焼結用金属粉から圧縮成形し、
この圧縮成形に際して、各半割り体１１の分割面に上記
油孔５（第３図）の軌跡に沿う断面半円形の溝１２を成
形し、その後、この一対の半割り体１１を焼結し、この
焼結時または焼結後に、第２図に示すように該一対の半
割り体１１．１１を合せて、その分割面をろう付けする
ようにしている。このろう付けにより、前記溝１２が合
体して上記油孔５が形成されるが、圧縮成形と同時に溝
１２を成形するので、油孔５を大端部内周壁の任意の部
位に開口させることができ、しかも溝１２を曲線形状に
成形して油孔５から切欠部分を排除することができる。Therefore, in order to manufacture the connecting rod 1, as shown in FIG. 1, first, as shown in FIG. The halved body 1 is compression molded from sintering metal powder,
During this compression molding, a groove 12 having a semicircular cross section along the locus of the oil hole 5 (FIG. 3) is formed on the dividing surface of each half body 11, and then this pair of half bodies 11 is sintered. During or after this sintering, the pair of half-split bodies 11, 11 are brought together and the split surfaces are brazed, as shown in FIG. By this brazing, the grooves 12 are combined to form the oil hole 5, but since the groove 12 is formed at the same time as the compression molding, the oil hole 5 can be opened at any part of the inner circumferential wall of the large end. Moreover, by forming the groove 12 into a curved shape, the cutout portion can be eliminated from the oil hole 5.
なお、第１図中、１３は大端対応部を、１４はコラム対
応部を、１５は小端対応部を、１６はボルト通し孔対応
部をそれぞれ表わしている。 以丁１本発明の具体的実
施例を説明する。焼結用金属粉末としてＪＩＳ４６００
系低合金鋼粉末に０．６ｗｔ＄ Ｃを添加したものを用
い、これを圧縮成形して密度７．０ｇ／ｃｍ’の一対の
半割り体１１（第１図）を成形し、次に、この一対の半
割り体１１の分割面にＣｕ−Ｎｉ−Ｍｎ系合金から成る
ろう材を塗布して、一対の半割り体１１を合わせ、これ
を焼結炉に装入してＲＸガス中、１１ｂ×３０分の条件
で焼結を行うと共にろう付は一体化を行い、その後、こ
の一体止した焼結体に８００℃焼入（油冷）→４００℃
焼戻しの熱処理を施し、さらに粒径１．４■ショト粒を
用いてアークハイト０．４１園の条件でショットピーニ
ングを施して上記コンロッド１を完成させた。ただし、
油孔５の開口５ａのコラム部３軸線に対する傾斜角度は
３５°とした０次に、このコンロッド １（本発明品）
をメタルを介してレシプロエンジンに組付けて １８０
時間の台上耐久評価試験を行い、メタル摩耗量を測定し
た。なお、メタルとしては、 Ｃｕ−Ｐｂ−５ｎ系合金
の基地にＰｂ−５ｎ−Ｉｎ系合金のオーバレイメツキし
たものを用いた。また比較のため、前出第５図に示した
ように、コラム部３の軸心上に油孔５を貫通させたコン
ロットＩＡ（比較量）を製作し、これにも前記同様の熱
処理およびショットピーニングを施し、前記同様の台−
Ｌ＃久試験を行った。In FIG. 1, 13 represents a large end corresponding portion, 14 a column corresponding portion, 15 a small end corresponding portion, and 16 a bolt through hole corresponding portion. A specific embodiment of the present invention will now be described. JIS4600 as metal powder for sintering
A pair of half-split bodies 11 (FIG. 1) with a density of 7.0 g/cm' were formed by compression molding using low alloy steel powder to which 0.6 wt$ C was added, and then, A brazing material made of a Cu-Ni-Mn alloy is applied to the split surfaces of the pair of half-split bodies 11, the pair of half-split bodies 11 are put together, and this is charged into a sintering furnace and heated in RX gas. Sintering was carried out under the conditions of 11b x 30 minutes and brazing was performed to integrate, and then this integrated sintered body was quenched at 800℃ (oil cooling) → 400℃
The above connecting rod 1 was completed by heat treatment for tempering and shot peening using shot grains with a grain size of 1.4 cm and an arc height of 0.41 mm. however,
The inclination angle of the opening 5a of the oil hole 5 with respect to the axis of the column part 3 is 35 degrees, and this connecting rod 1 (product of the present invention)
Assemble it to the reciprocating engine via metal 180
A time bench durability evaluation test was conducted to measure the amount of metal wear. The metal used was a Cu-Pb-5n alloy base plated with a Pb-5n-In alloy overlay. For comparison, a connecting rod IA (comparative quantity) in which the oil hole 5 was penetrated on the axis of the column part 3 as shown in FIG. After peening, the same table as above was used.
L# Long test was conducted.
下表は、Ｅ配合上耐久評価試験の結果を示したものであ
る。The table below shows the results of the E formulation durability evaluation test.
上表に示す結果より、本発明品のメタル摩耗量は比較量
のそれに比へては（半減し、本発明品の冷却および潤滑
効果の大きいことが確認できた。From the results shown in the table above, the metal wear amount of the product of the present invention was reduced by half compared to that of the comparative product, confirming that the product of the present invention has a large cooling and lubricating effect.
なお、上記実施例において、油孔５をコラム部３の軸心
上を通して小端部４に貫通させるようにしたが、コラム
部５を通す油孔５の位置は任意であり、コラム部５の側
縁部に沿って通すようにしても良い、また上記実施例に
おいてコラム部５の断面形状をＨ形としたが、この断面
形状は任意であり１例えば工形とすることができる。In the above embodiment, the oil hole 5 was made to pass through the small end 4 through the axis of the column part 3, but the position of the oil hole 5 through which the column part 5 is passed is arbitrary. The column portion 5 may be passed along the side edge.Although the cross-sectional shape of the column portion 5 is H-shaped in the above embodiment, this cross-sectional shape may be arbitrary, and may be, for example, a rounded shape.
（発明の効果）
以ト、詳細に説明したように、本発明にか覧るコネクテ
ィングロッドの製造方法によれば、コラム部の軸心より
スラスト側に太きく偏位する大端部内周壁に油孔を開口
させることができるばかりか、油孔内部から切欠を排除
して強度的に安定したコネクティングロッドを製造でき
る。また余分な開口が形成されることもないので、シー
ルについての配慮が不要となり、コネクティングロッド
の信頼性の向上に大きく寄与する。(Effects of the Invention) As described in detail below, according to the method of manufacturing a connecting rod according to the present invention, oil is applied to the inner circumferential wall of the large end that is largely deviated from the axis of the column toward the thrust side. Not only can the hole be opened, but also a notch can be eliminated from the inside of the oil hole, and a connecting rod with stable strength can be manufactured. Furthermore, since no extra openings are formed, there is no need to consider sealing, which greatly contributes to improving the reliability of the connecting rod.
第１図は、本発明にか繁るコネクティングロッドの製造
方法の中間工程で得られる半割り体の正面図、第２図は
、一対の半割り体を合わせる状態を示す断面図、第３図
は、本発明の方法で製造したコネクティングロッドの部
分断面図 第４図は、第３図のＩＴ−ｒＶ矢視線に治う
断面図、第５図は、従来の製造方法によって得たコネク
ティングロッドの一例を示す断面図、第６図は、クラン
クビンの軸心軌跡を示すグラフ、第７図は従来の製造方
法によって得たコネクティングロッドの他の例を示す部
分断面図、第８図は、従来の製造方法によって得たコネ
クティングロッドのさらに他の例を示す断面図である。
大端部
コラム部
小端部
油孔
開口
半割り体
溝
（ほか２名）
第１
＋）ｉ″−１５
第２図
極
６
第３図
第４図FIG. 1 is a front view of a half-split body obtained in an intermediate step of the method for manufacturing a connecting rod according to the present invention, FIG. 2 is a sectional view showing a state in which a pair of half-split bodies are joined together, and FIG. , a partial cross-sectional view of a connecting rod manufactured by the method of the present invention. FIG. 4 is a cross-sectional view taken along the IT-rV arrow line in FIG. 3, and FIG. 5 is an example of a connecting rod obtained by a conventional manufacturing method. 6 is a graph showing the axis trajectory of the crank bin, FIG. 7 is a partial sectional view showing another example of a connecting rod obtained by the conventional manufacturing method, and FIG. 8 is a graph showing the axial trajectory of the crankbin. It is a sectional view showing still another example of the connecting rod obtained by the manufacturing method. Big end column part Small end oil hole opening half body groove (2 others) 1st +)i''-15 Fig. 2 Pole 6 Fig. 3 Fig. 4
Claims (1)
°以上傾斜する大端部の中心線と該大端部の内周壁との
交差部位に一端を開口させかつコラム部を通して小端部
に他端を開口させた油孔を有するコネクティングロッド
の製造方法において、コラム部の軸心を含みかつ大端部
の軸心に直交する面で２分割した一対の半割り体を焼結
用金属粉から圧縮成形し、この圧縮成形に際して該半割
り体の分割面に前記油孔の軌跡に沿う断面半円形の溝を
成形し、しかる後に前記一対の半割り体を焼結し、この
焼結時または焼結後に該一対の半割り体をろう付けする
ことを特徴とするコネクティングロッドの製造方法。(1) At least 30 mm from the axis of the column to the thrust side
Method for manufacturing a connecting rod having an oil hole with one end opened at the intersection of the center line of the large end inclined by more than 1000 degrees and the inner circumferential wall of the large end, and the other end opened at the small end through the column part In this step, a pair of halves divided into two along a plane including the axis of the column part and perpendicular to the axis of the large end are compression molded from sintering metal powder, and during this compression molding, the division of the halves is Forming a groove with a semicircular cross section along the locus of the oil hole on the surface, then sintering the pair of half bodies, and brazing the pair of half bodies during or after sintering. A method for manufacturing a connecting rod characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5706490A JPH03260414A (en) | 1990-03-08 | 1990-03-08 | Manufacture of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5706490A JPH03260414A (en) | 1990-03-08 | 1990-03-08 | Manufacture of connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03260414A true JPH03260414A (en) | 1991-11-20 |
Family
ID=13045018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5706490A Pending JPH03260414A (en) | 1990-03-08 | 1990-03-08 | Manufacture of connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03260414A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006077931A (en) * | 2004-09-10 | 2006-03-23 | Toyota Motor Corp | Connecting rod for internal combustion engine |
| JP2020029821A (en) * | 2018-08-23 | 2020-02-27 | 日産自動車株式会社 | Double-link type piston crank mechanism of internal combustion engine |
-
1990
- 1990-03-08 JP JP5706490A patent/JPH03260414A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006077931A (en) * | 2004-09-10 | 2006-03-23 | Toyota Motor Corp | Connecting rod for internal combustion engine |
| JP2020029821A (en) * | 2018-08-23 | 2020-02-27 | 日産自動車株式会社 | Double-link type piston crank mechanism of internal combustion engine |
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