JPS60151462A - Lubricating device for surface of teeth of timing gear train - Google Patents
Lubricating device for surface of teeth of timing gear trainInfo
- Publication number
- JPS60151462A JPS60151462A JP533484A JP533484A JPS60151462A JP S60151462 A JPS60151462 A JP S60151462A JP 533484 A JP533484 A JP 533484A JP 533484 A JP533484 A JP 533484A JP S60151462 A JPS60151462 A JP S60151462A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- oil
- regulating valve
- pressure regulating
- gears
- 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
- 230000001050 lubricating effect Effects 0.000 title claims description 3
- 239000003921 oil Substances 0.000 claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 claims abstract description 28
- 239000010687 lubricating oil Substances 0.000 claims abstract description 8
- 238000005461 lubrication Methods 0.000 claims abstract description 8
- 239000010705 motor oil Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 239000010802 sludge Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000004308 accommodation Effects 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 108010033040 Histones Proteins 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本ざこ明は内燃機関の調時歯車列の歯面を潤滑するだめ
の装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a device for lubricating the tooth surfaces of a timing gear train of an internal combustion engine.
（従来技術）
一般に内燃機関のギヤケース内には、吸排気弁カムｒＭ
１．動ギヤ、作動油ポンプ駆動ギヤ、燃料ポンプ駆動ギ
ヤ等の調時歯車が収容されており、これらのギヤの歯面
には、例えばアイドルギヤの軸の油孔からオイルを噴出
させて供給するようになっている。ところがそのような
構造では、オイルを強く噴出させる関係上、上記油孔を
細くする必要がアシ、そのために油孔がスラッジ等で閉
塞されて潤滑不足が生じる恐れがある。又実開昭５８−
１６２２１１号には、潤滑油調圧弁からの逃しオイルを
ギヤに供給するようにした装置が開示されているが、そ
の装置ではギヤの端面に対向させて調圧弁を設け、ギヤ
の軸方向に噴出するオイｙによシギャの噛合部にオイル
を供給するようになっているので、次のような問題が生
じる。すなわちギヤ噛合部の一方の側（副圧弁に近い側
）にオイルが主に供給され、他方の側の潤滑が不足する
恐れがある。又調圧弁をギヤｌ＋Ｍ合部に隣接させる必
要があるので、調圧弁の位置が大幅に限定されるという
問題もある。(Prior art) Generally, there is an intake and exhaust valve cam rM in the gear case of an internal combustion engine.
1. Timing gears such as a dynamic gear, a hydraulic oil pump drive gear, a fuel pump drive gear, etc. are accommodated, and the tooth surfaces of these gears are supplied with oil by ejecting oil from an oil hole in the shaft of the idle gear, for example. It has become. However, in such a structure, the oil holes must be made thinner in order to force the oil to be jetted out strongly, which may cause the oil holes to become clogged with sludge or the like, resulting in insufficient lubrication. Matamikai 1978-
No. 162211 discloses a device that supplies relief oil from a lubricating oil pressure regulating valve to a gear, but in that device, a pressure regulating valve is provided facing the end face of the gear, and the oil is ejected in the axial direction of the gear. Since oil is supplied to the meshing part of the gear, the following problems arise. That is, oil is mainly supplied to one side of the gear meshing portion (the side closer to the sub-pressure valve), and there is a risk that lubrication on the other side may be insufficient. Furthermore, since the pressure regulating valve needs to be placed adjacent to the joint of gears I and M, there is also the problem that the position of the pressure regulating valve is greatly limited.
（発明の目的）
本発明は上記問題を解決するために、調圧弁の逃しオイ
〃を利用して調時歯車列歯面を潤滑するようにすると共
に、調圧弁の位１面や油逃し孔の構造に改良を施した装
はを提供することを目的としている。(Object of the Invention) In order to solve the above problems, the present invention uses the relief oil of the pressure regulating valve to lubricate the tooth surface of the timing gear train. The purpose is to provide a system with an improved structure.
（発明の構成）
本発明は複数のギヤを収容したギヤケース内に潤滑油調
圧弁を設け、該調圧弁をギヤの半径方向外方に位置させ
、調圧弁にギヤに向かって開口するギヤ直径方向の泊込
し孔を設け、泊込し孔から上記ギヤの歯面に歯面潤滑用
エンジンオイルを強制的に供給するようにしたことを特
徴としている。(Structure of the Invention) The present invention provides a lubricating oil pressure regulating valve in a gear case housing a plurality of gears, the pressure regulating valve is located radially outward of the gears, and the pressure regulating valve is provided with a gear diametrically opening toward the gears. The present invention is characterized in that an accommodation hole is provided, and engine oil for tooth surface lubrication is forcibly supplied to the tooth surface of the gear from the accommodation hole.
（実施例）
平面略図である第１図において、ギヤケース１はシリン
ダブロック２の前端に固定してあシ、ギヤケース１のブ
ロック２と反対側の端面にギヤケース蓋８が固定しであ
る。(Embodiment) In FIG. 1, which is a schematic plan view, a gear case 1 is fixed to the front end of a cylinder block 2, and a gear case lid 8 is fixed to the end surface of the gear case 1 on the opposite side from the block 2.
第１図の■−■矢視略図である第２図の如く、ギヤケー
ス１内にはクランク軸５の端部に固定したクランクギヤ
６ならびにアイドルギヤ７、燃料ポンプ（燃料噴射ポン
プ）駆動ギヤ８、吸排気弁駆動用カムギヤ９、作動油ポ
ンプ駆動ギヤ１０が収容されている。ギヤ８．９はギヤ
７を介してギヤ６に噛み合っておシ、ギヤ１ｏはギヤ９
に噛み合っている。又ギヤ７はギヤ６の斜上方に位置し
、ギヤ８．９はギヤ７０両側かつ斜上方に位置している
。ギヤ１０はギヤ９を挾んでギヤ７と反対側に位置して
いる。ギヤ７〜１０を支持又は固定した軸１１〜１４は
クランク軸５と平行であり、ギヤ６〜】０は同一平面上
に並んでいる。As shown in FIG. 2, which is a schematic view from the ■-■ arrow in FIG. , a cam gear 9 for driving intake and exhaust valves, and a hydraulic oil pump driving gear 10 are accommodated. Gear 8.9 meshes with gear 6 via gear 7, and gear 1o meshes with gear 9.
are meshed with each other. Further, the gear 7 is located diagonally above the gear 6, and the gears 8 and 9 are located diagonally above the gear 70 on both sides. Gear 10 is located on the opposite side of gear 7 with gear 9 in between. The shafts 11 to 14 supporting or fixing the gears 7 to 10 are parallel to the crankshaft 5, and the gears 6 to 0 are arranged on the same plane.
ギヤ９の下方かつギヤ７の何方には潤滑油調圧弁２０が
設けである。第２図のＩＩＩ −Ｉ［断面拡大図である
第８図の如く、調圧弁２０は筒状のシリンダ２１とシリ
ンダ２１に嵌合する有底筒状のピストン２２を備えてい
る。シリンダ２１はクランク軸５（第２図）と平行に延
びる姿勢にあシ、小径部２８の雄ねじがギヤケース蓋８
のねじ孔２６に螺合して固定され、小径部２８先端の入
口２７がねじ孔２６の底部及び蓋８内のきシ孔２８を介
して蓋８内のギヤラリ２９に接続している。ピストン２
２はシリンダ２１の大径部８０に嵌合しておシ、ヒスト
ン２２の底部外周がシリンダ２１の小径部２３と大径部
８０の間の段部（弁座８１）に着座するように々ってい
る。大径部３０にはピストン２２を弁座３１側へ付勢す
るばね８２が収容され、又大径部３０の弁座３１近傍の
部分には泊込し孔８３が設けである。泊込し孔Ｂ８はシ
リンダ２１の直径方向に設けてアシ、換言すれば、シリ
ンダ２１の直径方向に対向する２箇所に泊込し孔３８が
シリシダ半径方向に延びる姿勢で設けてちる。又泊込し
孔３３の延長線上にギヤ９等の歯面が位置している。な
お３４はギヤケースｌをブロック２に固定するだめのボ
ルトである。A lubricating oil pressure regulating valve 20 is provided below the gear 9 and on either side of the gear 7. III-I of FIG. 2 [As shown in FIG. 8 which is an enlarged sectional view, the pressure regulating valve 20 includes a cylindrical cylinder 21 and a bottomed cylindrical piston 22 that fits into the cylinder 21. The cylinder 21 is in a position extending parallel to the crankshaft 5 (Fig. 2), and the male thread of the small diameter portion 28 is connected to the gear case lid 8.
The inlet 27 at the tip of the small diameter portion 28 is connected to a gearing 29 in the lid 8 through the bottom of the screw hole 26 and a perforated hole 28 in the lid 8. Piston 2
2 is fitted into the large diameter portion 80 of the cylinder 21 so that the bottom outer periphery of the histone 22 is seated on the stepped portion (valve seat 81) between the small diameter portion 23 and the large diameter portion 80 of the cylinder 21. ing. A spring 82 for biasing the piston 22 toward the valve seat 31 is accommodated in the large diameter portion 30, and an accommodation hole 83 is provided in a portion of the large diameter portion 30 near the valve seat 31. The accommodation holes B8 are provided in the diametrical direction of the cylinder 21, in other words, the accommodation holes 38 are provided at two locations facing each other in the diametrical direction of the cylinder 21 so as to extend in the radial direction of the cylinder 21. Further, the tooth surfaces of the gear 9 and the like are located on the extension line of the accommodation hole 33. Note that 34 is a bolt for fixing the gear case l to the block 2.
第２図のＩＶ−ｆｆ断面図である第４図において、アイ
ドルギヤ７の支軸３５はフランジ部がボルト８６により
ブロック２に固定されている。ギヤ８を端部に固定した
燃料ポンプカム輛１２はギヤ８近傍の部分が軸受８９を
介してＩ油受部材３７で支持されている。部材３７はフ
ランジがボルト３８によりギヤケースｌを挾んでブロッ
ク２に固定されている。ギヤ８に隣接した位置において
、蓋８の外面には回転計４０がボルト止めされている。In FIG. 4, which is a sectional view taken along the line IV-ff in FIG. 2, the flange portion of the support shaft 35 of the idle gear 7 is fixed to the block 2 with bolts 86. A portion of the fuel pump cam 12 having the gear 8 fixed to its end is supported by the I oil receiving member 37 via a bearing 89. The flange of the member 37 is fixed to the block 2 with bolts 38 sandwiching the gear case l. A tachometer 40 is bolted to the outer surface of the lid 8 at a position adjacent to the gear 8.
回転計４０の駆動軸４１は燃料ポンプカム１ｌＩｌ１１
１２と同志に並んでおり、軸４１の端部の矩形断面の突
起４２を軸１２の端面のスリットに嵌合させることによ
り、軸４１が軸１２に連結されている。The drive shaft 41 of the tachometer 40 is a fuel pump cam 1lIl11.
The shaft 41 is connected to the shaft 12 by fitting a protrusion 42 having a rectangular cross section at the end of the shaft 41 into a slit in the end surface of the shaft 12 .
カムギヤ９の近傍において、蓋８に潤滑油ボンデ４５が
組み込まれている。ポンプ４５のケース４６は蓋８に一
体に設けた筒状部によシ形成されている。ケース４６の
先端開口は蓋４７で閉鎖されており、ケース４６の内部
にインナロータ４８及びアウタロータ４９が設けである
。ロータ４８を固定したポンプ軸５０はケー７４６の内
周ボス（蓋３の一部分）でカム軸１３と同志に支持され
ている。軸５０は端部にスリット５１を備え、カム軸１
３の端面に設けた矩形断面の突起をスリット５１に嵌合
させることによシ、軸５０が軸１８に連結されている。A lubricating oil bond 45 is incorporated into the lid 8 near the cam gear 9. A case 46 of the pump 45 is formed by a cylindrical portion integrally provided with the lid 8. The opening at the tip of the case 46 is closed with a lid 47, and an inner rotor 48 and an outer rotor 49 are provided inside the case 46. The pump shaft 50 to which the rotor 48 is fixed is supported together with the camshaft 13 by the inner peripheral boss of the case 746 (a part of the lid 3). The shaft 50 has a slit 51 at the end, and the camshaft 1
The shaft 50 is connected to the shaft 18 by fitting a protrusion with a rectangular cross section provided on the end surface of the shaft 3 into the slit 51 .
ギヤ１０は軸方向両側へ突出しだ筒状ポス５５．５６を
内周部に一体に備え、ギヤ１０の両側においてポス５５
．５６が軸受５７．５８を介して軸受部材６０及びシリ
ンダブロック軸受部分６１に支持されている。部材６０
は蓋３の孔に外面側からいんろう型式に嵌合している。The gear 10 is integrally provided with cylindrical posts 55 and 56 on the inner circumference that protrude to both sides in the axial direction.
．． 56 is supported via bearings 57, 58 on a bearing member 60 and a cylinder block bearing part 61. member 60
is fitted into the hole of the lid 3 from the outer surface side in a dowel type manner.
Ｉ！１ｌＩＩ受部分６１はギヤケース１の孔にいんろう
型式に嵌合している。I! The 1lII receiving portion 61 is fitted into the hole of the gear case 1 in a socket-like manner.
部材６０、盆８、ケース１、部分６１はボルト６２によ
り互に固定されている。ギヤ１０及びポス５５．５６の
内周にはスプライン歯が設けてあシ、作動油ｔｌポンプ
動Ｏｂ １４の端部外周のスプライン歯が上記内周スプ
ライン歯に噛み合っている。The member 60, the tray 8, the case 1, and the portion 61 are fixed to each other by bolts 62. Spline teeth are provided on the inner periphery of the gear 10 and the posts 55, 56, and the spline teeth on the outer periphery of the end of the hydraulic oil tl pump movement Ob 14 mesh with the inner periphery spline teeth.
第２図において、ギヤ７の上方には水ポンプ６６図の作
動油ポンプ駆動ギヤ１０の上方にはオルタネータ６７が
設けである。オルタネータロ７は下部のフランジ６８が
板状取付台６９にボルト７０により固定しである。第２
図ｖ）Ｖ−Ｖ矢視部分図である第５図の如く、取付台６
９はギヤケースｌのシリンダブロック２側の而（ギヤケ
ース張出部）に固定されている。In FIG. 2, a water pump 66 is provided above the gear 7, and an alternator 67 is provided above the hydraulic oil pump drive gear 10 in FIG. The lower flange 68 of the alternator rotor 7 is fixed to a plate-shaped mounting base 69 with bolts 70. Second
Figure v) As shown in Figure 5, which is a partial view of the V-V arrow, the mounting base 6
9 is fixed to the cylinder block 2 side of the gear case l (gear case overhang).
（作用）
エンジン運転中は第２図のクヲン〃ギヤ６によリアイド
〃ギヤ７を介してギヤ８．９、ＩＯが駆動され、軸１２
．１８．１４が回転して燃料噴射ポンプ、吸排気弁、作
動油ポンプが作動する。これと同時に第４図の軸１８に
よりｓ滑油ポンプ４５が駆動され、又軸１２によシ回転
計４０が駆動される。(Function) During engine operation, gears 8, 9 and IO are driven by gear 6 of FIG. 2 via rear gear 7, and shaft 12
．． 18.14 rotates to operate the fuel injection pump, intake and exhaust valves, and hydraulic oil pump. At the same time, the oil pump 45 is driven by the shaft 18 in FIG. 4, and the tachometer 40 is driven by the shaft 12.
上記動作において潤滑油ポンプ４５は図示されていない
ギヤラリを介してエンジン各部（クランク軸軸受部等）
にオイルを供給する。又ポンプ４５から吐出されたオイ
ルは第８図のギヤフリ２９等を経て調圧弁２０に達し、
油圧が高い場合にはオイＶがピストン２２を押して弁座
２３から離す。In the above operation, the lubricating oil pump 45 is connected to various parts of the engine (crankshaft bearing, etc.) via a gear rally (not shown).
supply oil to. Also, the oil discharged from the pump 45 passes through the gear flyer 29 etc. in FIG. 8 and reaches the pressure regulating valve 20.
When the oil pressure is high, the oil V pushes the piston 22 away from the valve seat 23.
これによジオイルが油逃し孔８８から噴出し、エン ンタト部に供給されるオイルは所定圧に保たれる。As a result, oil is ejected from the oil relief hole 88 and the engine The oil supplied to the contact section is maintained at a predetermined pressure.
孔３８から噴出したオイルの内、少なくとも一方の孔８
８からのオイルは例えばギヤ９の歯面にその幅Ｗ全体に
わたってかかり、各ギヤの回転に伴なって第２図のギヤ
７．９．１０の噛合部を歯の全幅にわたって潤滑すると
共に、ギヤ６．７．８の噛合部をも全幅にわたって潤滑
する。図示の実施例では孔８Ｂがギヤ９及ぶギヤ６に向
かって開口しており、従ってギヤ６．９にオイ〃を吹き
付け、全てのギヤ噛合部を充分′に潤滑することができ
る。更に、作動油ポンプはｆｉｂの機器に比べて所用馬
力が大きいので、ギヤ７．９．１０の噛合部の面圧が他
の噛合部の面圧に比べて大きくなるが、図示の実施例で
はギヤ９に隣接させて調圧弁２０を設けたので、血圧の
高い噛合部を充分に潤滑することができる。Of the oil ejected from the holes 38, at least one of the holes 8
For example, the oil from gear 9 is applied to the tooth surface of gear 9 over its entire width W, and as each gear rotates, it lubricates the meshing part of gear 7, 9, and 10 in FIG. 6. Also lubricate the entire width of the meshing part in 7.8. In the illustrated embodiment, the hole 8B opens toward the gear 9 and the gear 6, so that oil can be sprayed onto the gears 6, 9 to sufficiently lubricate all gear meshing parts. Furthermore, since the required horsepower of the hydraulic oil pump is larger than that of fib equipment, the surface pressure at the meshing part of gear 7, 9, and 10 is larger than that at other meshing parts. Since the pressure regulating valve 20 is provided adjacent to the gear 9, it is possible to sufficiently lubricate the meshing portion where the blood pressure is high.
（発明の効果）
以上説明したように本発明によると、調圧弁２０の油逃
し孔８Ｂからギヤ６〜ｌＯにオイＶを供給するようにし
ており、オイＭ噴出孔として大径の油逃し孔８８を使用
できるので、噴出孔がフランジ等によシ閉塞される恐れ
はなく、潤滑不足が生じる恐れはない。更に調圧弁２０
をギヤ９等の半径方向外方に位置させ、調圧弁２０にギ
ヤ９等に向かって開口する直径方向の油逃し孔８８を設
けたので、ギヤ９等の歯面の全幅Ｗにわたってオイルを
供給することができ、この点においても潤滑効果を高め
ることができる。しかも調圧弁２０はその位置に大幅な
制限を受けることはなく、換冒すれば、調圧弁２０の位
置を例えば第２図の位置よシも右側に変えてもオイルを
ギヤに確実に供給することができ名。従って設計段階に
おいて調圧弁２０の位置を容易に決定するととができる
。又調圧弁２０の取付角度位Ｆｌ（油逃し孔８８の方向
）に狂いが生じた場合でも、ギヤ歯面に確実にオイμを
供給することができる。(Effects of the Invention) As explained above, according to the present invention, the oil V is supplied from the oil relief hole 8B of the pressure regulating valve 20 to the gears 6 to 1O, and the large diameter oil relief hole is used as the oil M jetting hole. 88 can be used, there is no risk of the jet hole being blocked by a flange or the like, and there is no risk of insufficient lubrication. Furthermore, the pressure regulating valve 20
is located radially outward of the gear 9, etc., and the pressure regulating valve 20 is provided with a diametrical oil release hole 88 that opens toward the gear 9, etc., so oil is supplied over the entire width W of the tooth surface of the gear 9, etc. In this respect, the lubrication effect can also be enhanced. Moreover, the pressure regulating valve 20 is not subject to any major restrictions on its position, and if the pressure regulating valve 20 is replaced, oil can be reliably supplied to the gears even if the position of the pressure regulating valve 20 is changed from, for example, the position shown in Fig. 2 to the right side. can name. Therefore, the position of the pressure regulating valve 20 can be easily determined at the design stage. Further, even if the mounting angle Fl of the pressure regulating valve 20 (in the direction of the oil relief hole 88) is misaligned, oil μ can be reliably supplied to the gear tooth surface.
第１図は実施例の平面略図、第２図は第１図のＩＩ−Ｉ
Ｉ矢視略図、第８図は第２図のＩＩＩ −Ｔｌｌ断面拡
大図、第４図は第２図のＮ−ＩＴ断面図、第５図は第２
図のｖ−■矢視部分図である。１・・・ギヤケース、６
〜ｌＯ・・・ギヤ、２０・・・調圧弁、８８・・・油逃
し孔Figure 1 is a schematic plan view of the embodiment, Figure 2 is II-I of Figure 1.
8 is an enlarged cross-sectional view of III-Tll in FIG. 2, FIG. 4 is a cross-sectional view of N-IT in FIG. 2, and FIG. 5 is a cross-sectional view of
It is a partial view taken along arrow v-■ in the figure. 1... Gear case, 6
~lO... Gear, 20... Pressure regulating valve, 88... Oil relief hole
Claims (1)
設け、核調用弁をギヤの半径方向外向に位置させ、調圧
弁にギヤに向かって開口するギヤ直径方向の油逃し孔を
設け、油逃し孔から上記ギヤの歯面に歯面潤滑用エンジ
ンオイルを強制的に供給するようにしたことを特徴とす
る調時歯車列歯面の潤滑装置ｄ。A lubricating oil pressure regulating valve is provided in a gear case housing a plurality of gears, a core regulating valve is positioned outward in the radial direction of the gears, and an oil relief hole is provided in the pressure regulating valve in the gear diameter direction that opens toward the gears. A lubricating device for a tooth surface of a timing gear train, characterized in that engine oil for tooth surface lubrication is forcibly supplied to the tooth surface of the gear from an oil relief hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP533484A JPS60151462A (en) | 1984-01-13 | 1984-01-13 | Lubricating device for surface of teeth of timing gear train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP533484A JPS60151462A (en) | 1984-01-13 | 1984-01-13 | Lubricating device for surface of teeth of timing gear train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60151462A true JPS60151462A (en) | 1985-08-09 |
Family
ID=11608333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP533484A Pending JPS60151462A (en) | 1984-01-13 | 1984-01-13 | Lubricating device for surface of teeth of timing gear train |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60151462A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870280A (en) * | 2010-06-17 | 2010-10-27 | 徐工集团工程机械股份有限公司科技分公司 | Loader and circular cooling and lubricating system of torque converter thereof |
-
1984
- 1984-01-13 JP JP533484A patent/JPS60151462A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870280A (en) * | 2010-06-17 | 2010-10-27 | 徐工集团工程机械股份有限公司科技分公司 | Loader and circular cooling and lubricating system of torque converter thereof |
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