JPH05272620A - Lubricating mechanism for hydraulic transmission - Google Patents
Lubricating mechanism for hydraulic transmissionInfo
- Publication number
- JPH05272620A JPH05272620A JP7150292A JP7150292A JPH05272620A JP H05272620 A JPH05272620 A JP H05272620A JP 7150292 A JP7150292 A JP 7150292A JP 7150292 A JP7150292 A JP 7150292A JP H05272620 A JPH05272620 A JP H05272620A
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- transmission
- hydraulic
- hydraulic transmission
- valve
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Arrangement Of Transmissions (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えばトラクタに利用
されている油圧変速装置の潤滑機構に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricating mechanism for a hydraulic transmission used in, for example, a tractor.
【０００２】[0002]
【従来の技術】例えばトラクタにおいては、エンジンか
らの動力を前後進に切り換える油圧変速装置、その後方
で走行系の機械式変速装置等を配置しており、前記油圧
変速装置の油圧クラッチへの油潤滑は、油圧クラッチ作
動油路から分岐した潤滑油路を介して常時行っている。2. Description of the Related Art For example, in a tractor, a hydraulic transmission for switching power from an engine to forward and backward, a mechanical transmission for a traveling system, etc. are arranged behind the hydraulic transmission, and oil for a hydraulic clutch of the hydraulic transmission is arranged. Lubrication is always performed via a lubricating oil passage branched from the hydraulic clutch operating oil passage.
【０００３】[0003]
【発明が解決しようとする課題】前記従来技術において
は、油圧クラッチへの潤滑を油圧変速装置及び機械式変
速装置を変速操作する時においても行っているため、潤
滑油の粘性によってクラッチ板は離れた状態でも連れ回
りをし、油圧変速装置の一方の油圧クラッチを解除して
他方の油圧クラッチを入れるとき、及び機械式変速装置
を手動操作するとき、等にそれらのクラッチが入り難く
なることがある。In the above prior art, the lubrication of the hydraulic clutch is performed even when the hydraulic transmission and the mechanical transmission are gear-shifted. Therefore, the viscosity of the lubricating oil causes the clutch plate to separate. Even when the hydraulic transmission is turned on, the clutches may be difficult to engage when releasing one hydraulic clutch of the hydraulic transmission and engaging the other hydraulic clutch, or when manually operating the mechanical transmission. is there.
【０００４】本発明の第１の目的は、潤滑油路にそれを
開閉する電磁開閉弁を設けておいて、油圧変速装置を変
速操作するために中立状態にした時に、電磁開閉弁を介
して油圧変速装置への潤滑油供給を停止することによ
り、前記従来技術の問題点を解決できるようにした油圧
変速装置の潤滑機構を提供することである。本発明の第
２の目的は、機械式変速装置を変速操作する時に、電磁
開閉弁を介して油圧変速装置への潤滑油供給を停止する
ことにより、前記従来技術の問題点を解決できるように
した油圧変速装置の潤滑機構を提供することである。A first object of the present invention is to provide an electromagnetic opening / closing valve for opening / closing the lubricating oil passage in the lubricating oil passage, and when the hydraulic transmission is brought into a neutral state for gear shifting operation, the lubricating oil passage is opened via the electromagnetic opening / closing valve. It is an object of the present invention to provide a lubrication mechanism for a hydraulic transmission that is capable of solving the problems of the conventional art by stopping the supply of lubricating oil to the hydraulic transmission. A second object of the present invention is to solve the above-mentioned problems of the prior art by stopping the supply of the lubricating oil to the hydraulic transmission via the electromagnetic opening / closing valve when shifting the mechanical transmission. Another object of the present invention is to provide a lubrication mechanism for the hydraulic transmission.
【０００５】[0005]
【課題を解決するための手段】本発明における課題解決
のための第１の具体的手段は、エンジン２からの動力伝
達系に油圧変速装置３を配置し、この油圧変速装置３の
油圧クラッチ５に油圧クラッチ作動油路６から分岐した
潤滑油路７を接続している油圧変速装置の潤滑機構にお
いて、前記潤滑油路７を開閉する電磁開閉弁８と、油圧
変速装置３を中立状態にした時に電磁開閉弁８を介して
油圧変速装置３への潤滑油供給を停止する第１潤滑操作
手段９とを設けていることである。A first concrete means for solving the problems in the present invention is to dispose a hydraulic transmission 3 in a power transmission system from an engine 2 and a hydraulic clutch 5 of the hydraulic transmission 3. In the lubrication mechanism of the hydraulic transmission in which the lubricating oil passage 7 branched from the hydraulic clutch operating oil passage 6 is connected to the solenoid valve 8 for opening and closing the lubricating oil passage 7 and the hydraulic transmission 3 are set to a neutral state. At the same time, the first lubricating operation means 9 for stopping the supply of the lubricating oil to the hydraulic transmission 3 via the electromagnetic opening / closing valve 8 is provided.
【０００６】本発明における課題解決のための第２の具
体的手段は、第１の具体的手段に加えて、前記油圧変速
装置３から動力伝達を受ける機械式変速装置４を設け、
この変速装置４を操作する時に作動されて電磁開閉弁８
を介して油圧変速装置３への潤滑油を停止する第２潤滑
操作手段１０を設けていることである。A second specific means for solving the problems in the present invention is, in addition to the first specific means, provided with a mechanical transmission 4 which receives power transmission from the hydraulic transmission 3.
The electromagnetic opening / closing valve 8 is operated when the transmission 4 is operated.
The second lubrication operating means 10 is provided to stop the lubricating oil to the hydraulic transmission 3 via the.
【０００７】[0007]
【作用】前後進切り換え操作レバー２３を前進側又は後
進側に入れているとき、電磁開閉弁８は消磁されていて
潤滑油路７は開放され、潤滑油を油圧変速装置３の油圧
クラッチ５に供給している。前進側又は後進側に入って
いる前後進切り換え操作レバー２３は、反対側に切り換
えるとき中立状態を通り、そのとき制御機構２２を介し
て電磁開閉弁８が励磁されて潤滑油路７を閉鎖し、油圧
クラッチ５に供給していた潤滑油を停止し、油圧クラッ
チ５内の油を急速に減少させ、クラッチ板の連れ回りを
回避する。When the forward / reverse switching operation lever 23 is set to the forward side or the reverse side, the electromagnetic opening / closing valve 8 is demagnetized, the lubricating oil passage 7 is opened, and the lubricating oil is supplied to the hydraulic clutch 5 of the hydraulic transmission 3. We are supplying. The forward / reverse switching operation lever 23, which is located on the forward side or the reverse side, passes through the neutral state when switching to the opposite side, at which time the electromagnetic opening / closing valve 8 is excited via the control mechanism 22 to close the lubricating oil passage 7. The lubricating oil supplied to the hydraulic clutch 5 is stopped, the oil in the hydraulic clutch 5 is rapidly reduced, and the clutch plate is prevented from rotating together.
【０００８】機械式変速装置４を変速操作するために操
作レバー２５を操作するとき、センサ２６が作動される
と、制御機構２２を介して油圧変速装置３が中立状態に
されると共に、電磁開閉弁８が励磁されて潤滑油路７を
閉鎖し、油圧クラッチ５への潤滑油供給を停止する。When the operating lever 25 is operated to shift the mechanical transmission 4, when the sensor 26 is operated, the hydraulic transmission 3 is brought into a neutral state via the control mechanism 22 and the electromagnetic opening / closing is performed. The valve 8 is excited to close the lubricating oil passage 7, and the supply of lubricating oil to the hydraulic clutch 5 is stopped.
【０００９】[0009]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図１において、２はトラクタのエンジンで、その
クランク軸１３の回転はトルコン１４を介して前後進切
り換え用の油圧変速装置３に伝達され、その出力は機械
式の主変速装置４に伝達される。この主変速装置４は周
知のものであり、シフタを摺動して切り換える噛み合い
式クラッチにより変速される。Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 2 denotes an engine of a tractor, the rotation of a crankshaft 13 of which is transmitted to a hydraulic transmission 3 for switching between forward and backward movements via a torque converter 14, and its output is transmitted to a mechanical main transmission 4. .. This main transmission device 4 is well known, and gear shifting is performed by a meshing clutch that slides and shifts a shifter.
【００１０】クランク軸１３はトルコン１４の入力軸で
あり、トルコン１４の出力軸１５は油圧変速装置３の入
力軸となっており、出力軸１５と伝動軸１６とは油圧ク
ラッチ５Ｆで直結可能になっており、出力軸１５とそれ
に遊嵌した伝動体１７とは油圧クラッチ５Ｒで連結可能
になっており、この伝動体１７と伝動軸１６との間に逆
転ギヤ群１８が配置されている。The crankshaft 13 is the input shaft of the torque converter 14, the output shaft 15 of the torque converter 14 is the input shaft of the hydraulic transmission 3, and the output shaft 15 and the transmission shaft 16 can be directly connected by a hydraulic clutch 5F. The output shaft 15 and the transmission member 17 loosely fitted thereto can be connected by a hydraulic clutch 5R, and a reverse gear group 18 is arranged between the transmission member 17 and the transmission shaft 16.
【００１１】従って、油圧クラッチ５Ｆを作動すると主
変速装置４に前進動力が伝達され、油圧クラッチ５Ｒを
作動すると主変速装置４に後進動力が伝達され、両油圧
クラッチ５が作動していないとき、中立状態となる。２
０は油圧クラッチ５Ｆ、５Ｒを制御する電磁比例弁であ
り、ソレノイドに流れる電流の大きさによってバルブの
開度、即ち油圧クラッチ５へ送る油の量が変わるもので
ある。この電磁比例弁２０はポンプ２１と油圧クラッチ
作動油路６を介して接続されており、制御機構２２によ
って制御される。Therefore, when the hydraulic clutch 5F is actuated, the forward power is transmitted to the main transmission 4, and when the hydraulic clutch 5R is actuated, the reverse power is transmitted to the main transmission 4. When both hydraulic clutches 5 are inoperative, It becomes neutral. Two
Reference numeral 0 is an electromagnetic proportional valve that controls the hydraulic clutches 5F and 5R, and the opening degree of the valve, that is, the amount of oil sent to the hydraulic clutch 5 changes depending on the magnitude of the current flowing through the solenoid. The solenoid proportional valve 20 is connected to the pump 21 via the hydraulic clutch operating oil passage 6 and is controlled by the control mechanism 22.
【００１２】前記制御機構２２はマイクロコンピユータ
を内蔵したコントロールユニットであり、前後進操作レ
バー２３の前進Ｆ操作と後進Ｒ操作と中立Ｎ操作とをセ
ンサ２４で検出してその信号が入力され、また、主変速
装置４用の主変速操作レバー２５に設けたセンサ（又は
切り換えスイッチ）２６からの切り換え信号が入力さ
れ、電磁比例弁２０及び電磁開閉弁８のソレノイドを制
御する。The control mechanism 22 is a control unit having a built-in micro computer, and the sensor 24 detects forward F operation, backward R operation, and neutral N operation of the forward / backward operation lever 23, and a signal thereof is input. A switching signal is input from a sensor (or a changeover switch) 26 provided on the main shift operation lever 25 for the main transmission 4, and the solenoids of the solenoid proportional valve 20 and the solenoid on-off valve 8 are controlled.
【００１３】前記制御機構２２による電磁開閉弁８のソ
レノイドの制御は瞬間的に行われるのに対して、電磁比
例弁２０の制御は時間（例えば２〜３秒）をかけて行わ
れる。即ち、電磁比例弁２０のソレノイドに供給される
電流は漸次大きくなるもので、油圧クラッチ５を半クラ
ッチ状態を経由して入り状態にできるようになってい
る。The control of the solenoid of the solenoid on-off valve 8 by the control mechanism 22 is instantaneously performed, while the control of the solenoid proportional valve 20 is performed over a time period (for example, 2 to 3 seconds). That is, the current supplied to the solenoid of the solenoid proportional valve 20 gradually increases, so that the hydraulic clutch 5 can be put into the on state via the half-clutch state.
【００１４】２８は足踏み式又は手動操作式のスイッチ
で、制御機構２２に接続されていて、作動することによ
り電磁比例弁２０のソレノイドを瞬間的に消磁し、解除
することにより瞬間的に励磁することができる。従っ
て、トラクタを緊急に停止したい時、及びフロントロー
ダ等を装着していてシャックリ作業をしたい時等に利用
される。Reference numeral 28 denotes a foot-operated or manually operated switch, which is connected to the control mechanism 22 to momentarily deenergize the solenoid of the solenoid proportional valve 20 when it is activated and momentarily excited to release it. be able to. Therefore, it is used when the tractor is to be stopped urgently and when a front loader or the like is mounted and a shackle operation is desired.
【００１５】７は油圧クラッチ５へ潤滑油を供給する潤
滑油路であり、油圧クラッチ作動油路６から分岐されて
おり、その途中に前記電磁開閉弁８が設けられている。
この電磁開閉弁８は常時開放されていて、励磁されるこ
とにより潤滑油路７を閉鎖するようになっている。前記
電磁開閉弁８は、制御機構２２に前後進操作レバー２３
の中立Ｎ操作の信号が入ったときに、制御機構２２から
の制御信号によって作動して潤滑油路７を閉鎖する。こ
の制御系が第１潤滑操作手段９となっている。Reference numeral 7 is a lubricating oil passage for supplying lubricating oil to the hydraulic clutch 5, which is branched from the hydraulic clutch operating oil passage 6, and the electromagnetic opening / closing valve 8 is provided in the middle thereof.
The electromagnetic opening / closing valve 8 is always open, and the lubricating oil passage 7 is closed by being excited. The electromagnetic opening / closing valve 8 includes a control mechanism 22 and a forward / backward operation lever 23.
When a signal for the neutral N operation is input, the control signal from the control mechanism 22 operates to close the lubricating oil passage 7. This control system serves as the first lubrication operation means 9.
【００１６】また、電磁開閉弁８は、制御機構２２に主
変速操作レバー２５を操作することによりに作動するセ
ンサ２６からの信号が入ったときに、制御機構２２から
の制御信号によって作動して潤滑油路７を閉鎖する。こ
の制御系が第２潤滑操作手段１０Ａとなっている。前記
第１潤滑操作手段９及び第２潤滑操作手段１０Ａによっ
て、油圧変速装置３又は主変速装置４の変速操作時に、
油圧クラッチ５への潤滑油供給を停止し、変速操作前に
駆動されていた部材の連れ回りを迅速に解消し、変速す
る側への変速操作を容易にする。The electromagnetic opening / closing valve 8 is operated by the control signal from the control mechanism 22 when the control mechanism 22 receives a signal from the sensor 26 which is operated by operating the main shift operation lever 25. The lubricating oil passage 7 is closed. This control system is the second lubrication operation means 10A. By the first lubrication operating means 9 and the second lubrication operating means 10A, when the hydraulic transmission 3 or the main transmission 4 is operated to shift,
The supply of the lubricating oil to the hydraulic clutch 5 is stopped, the accompanying rotation of the member driven before the gear shifting operation is quickly eliminated, and the gear shifting operation to the gear shifting side is facilitated.
【００１７】前記センサ２６を主変速操作レバー２５を
操作するときに指で押すスイッチとする場合は、制御機
構２２を経由せずに電磁開閉弁８を直接操作しても良
く、この制御系が第２潤滑操作手段１０Ｂとなる。尚、
主変速操作レバー２５を操作するときは、センサ２６が
作動されると、制御機構２２を介して電磁比例弁２０を
中立状態にするので、主変速装置４に対して油圧クラッ
チ５が動力断接クラッチの役目をすることになる。When the sensor 26 is a switch that is pushed by a finger when operating the main shift operating lever 25, the solenoid opening / closing valve 8 may be directly operated without passing through the control mechanism 22. It becomes the second lubrication operation means 10B. still,
When the sensor 26 is actuated when operating the main transmission operating lever 25, the solenoid proportional valve 20 is brought into a neutral state via the control mechanism 22, so that the hydraulic clutch 5 is connected to and disconnected from the main transmission 4. It will act as a clutch.
【００１８】従って、油圧変速装置３と主変速装置４の
どちらを変速操作するときも、電磁比例弁２０は中立状
態を経ることになり、電磁開閉弁８は閉鎖される。そし
て、それらの変速操作が終了すると、電磁開閉弁８が瞬
間的にオフになって潤滑油を供給開始し、油圧変速装置
３の油圧クラッチ５は漸次入り始め、クラッチ板がスリ
ップするときには充分な潤滑油が供給されるようにな
る。Therefore, when the hydraulic transmission 3 or the main transmission 4 is operated to shift, the solenoid proportional valve 20 goes into a neutral state and the solenoid on-off valve 8 is closed. When the speed change operation is completed, the electromagnetic on-off valve 8 is momentarily turned off to start supplying the lubricating oil, the hydraulic clutch 5 of the hydraulic speed change device 3 gradually starts to enter, and when the clutch plate slips, it is sufficient. Lubricating oil will be supplied.
【００１９】前記クランク軸（入力軸）１３にはその回
転数Ａを検出する入力軸回転数検出センサ３０が配置さ
れ、出力軸１５にはその回転数Ｂを検出する出力軸回転
数検出センサ３１が配置され、それらは制御機構２２に
接続され、信号入力可能になっている。３２は操作盤３
３に設けた警報ランプであり、制御機構２２に接続され
ていて、前記センサ３０、３１で検出した回転数Ａ、Ｂ
の差（Ａ−Ｂ）が約１０００ｒｐｍ以上になると点灯
し、主変速装置４等の変速段数の選択が間違っているこ
とを報せ、適性にすることを促す。The crankshaft (input shaft) 13 is provided with an input shaft rotational speed detection sensor 30 for detecting its rotational speed A, and the output shaft 15 is provided with an output shaft rotational speed detection sensor 31 for detecting its rotational speed B. Are arranged, and they are connected to the control mechanism 22 to enable signal input. 32 is the operation panel 3
3 is an alarm lamp, which is connected to the control mechanism 22 and has rotation speeds A and B detected by the sensors 30 and 31.
When the difference (A-B) of about 1000 rpm or more is lit, it lights up and informs that the selection of the number of gear stages of the main transmission 4 or the like is wrong, and prompts to make it suitable.
【００２０】尚、本発明は前記実施例に限定されるもの
ではなく、種々変形することができる。例えば、機械式
変速装置４としては、主変速装置の他の副変速装置、ク
リープ変速装置又はＰＴＯ変速装置等でも良い。The present invention is not limited to the above embodiment, but can be variously modified. For example, the mechanical transmission 4 may be an auxiliary transmission other than the main transmission, a creep transmission, a PTO transmission, or the like.
【００２１】[0021]
【発明の効果】以上詳述した本発明によれば、潤滑油路
７を開閉する電磁開閉弁８と、油圧変速装置３を中立状
態にした時に電磁開閉弁８を介して油圧変速装置３への
潤滑油供給を停止する第１潤滑操作手段９とを設けてい
るので、変速操作時に油圧クラッチ５に供給していた潤
滑油を停止してクラッチ板の連れ回りを回避することが
でき、油圧変速装置３の変速操作が容易になる。According to the present invention described in detail above, the electromagnetic open / close valve 8 for opening / closing the lubricating oil passage 7 and the hydraulic open / close valve 8 to the hydraulic transmission 3 via the electromagnetic open / close valve 8 when the hydraulic open / close valve 8 is in the neutral state. Since the first lubricating operation means 9 for stopping the supply of the lubricating oil is provided, it is possible to stop the lubricating oil supplied to the hydraulic clutch 5 at the time of the gear shift operation and avoid the clutch plate from rotating together. The shift operation of the transmission 3 is facilitated.
【００２２】また、油圧変速装置３から動力伝達を受け
る機械式変速装置４を設け、この変速装置４を操作する
時に作動されて電磁開閉弁８を介して油圧変速装置３へ
の潤滑油を停止する第２潤滑操作手段１０を設けている
ので、変速装置４の変速操作時に、油圧変速装置３の油
圧クラッチ５に供給していた潤滑油を停止してクラッチ
板の連れ回りを回避することができ、機械式変速装置４
の変速操作が容易になる。Further, a mechanical transmission device 4 which receives power transmission from the hydraulic transmission device 3 is provided, and when the transmission device 4 is operated, the lubricating oil to the hydraulic transmission device 3 is stopped via the electromagnetic on-off valve 8. Since the second lubrication operating means 10 is provided, it is possible to prevent the lubricating oil supplied to the hydraulic clutch 5 of the hydraulic transmission 3 from being stopped during the gear shift operation of the transmission 4 to prevent the clutch plate from rotating together. Yes, mechanical transmission 4
The shift operation of is easy.
【図１】本発明の実施例を示す全体説明図である。FIG. 1 is an overall explanatory view showing an embodiment of the present invention.
２ エンジン ３ 油圧変速装置 ４ 変速装置 ５ 油圧クラッチ ６ 油圧クラッチ作動油路 ７ 潤滑油路 ８ 電磁開閉弁 ９ 第１潤滑操作手段 １０ 第２潤滑操作手段 ２０ 電磁比例弁 ２２ 制御機構 2 engine 3 hydraulic transmission 4 transmission 5 hydraulic clutch 6 hydraulic clutch operating oil passage 7 lubricating oil passage 8 electromagnetic on-off valve 9 first lubrication operating means 10 second lubrication operating means 20 electromagnetic proportional valve 22 control mechanism
Claims (2)
変速装置（３）を配置し、この油圧変速装置（３）の油
圧クラッチ（５）に油圧クラッチ作動油路（６）から分
岐した潤滑油路（７）を接続している油圧変速装置の潤
滑機構において、 前記潤滑油路（７）を開閉する電磁開閉弁（８）と、油
圧変速装置（３）を中立状態にした時に電磁開閉弁
（８）を介して油圧変速装置（３）への潤滑油供給を停
止する第１潤滑操作手段（９）とを設けていることを特
徴とする油圧変速装置の潤滑機構。1. A hydraulic transmission (3) is arranged in a power transmission system from an engine (2), and a hydraulic clutch (5) of the hydraulic transmission (3) is branched from a hydraulic clutch operating oil passage (6). In a lubrication mechanism of a hydraulic transmission connected to a lubricating oil passage (7), an electromagnetic opening / closing valve (8) for opening and closing the lubricating oil passage (7) and an electromagnetic opening / closing valve (8) for electromagnetic switching when the hydraulic transmission (3) is in a neutral state. A lubricating mechanism for a hydraulic transmission, comprising: a first lubrication operating means (9) for stopping the supply of lubricating oil to the hydraulic transmission (3) via an on-off valve (8).
受ける機械式変速装置（４）を設け、この変速装置
（４）を操作する時に作動されて電磁開閉弁（８）を介
して油圧変速装置（３）への潤滑油を停止する第２潤滑
操作手段（１０）を設けていることを特徴とする請求項
１に記載の油圧変速装置の潤滑機構。2. A mechanical transmission (4) for receiving power transmission from said hydraulic transmission (3) is provided, which is actuated when operating this transmission (4) and hydraulically actuated via an electromagnetic on-off valve (8). The lubrication mechanism of the hydraulic transmission according to claim 1, further comprising a second lubrication operation means (10) for stopping the lubricating oil to the transmission (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7150292A JPH05272620A (en) | 1992-03-27 | 1992-03-27 | Lubricating mechanism for hydraulic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7150292A JPH05272620A (en) | 1992-03-27 | 1992-03-27 | Lubricating mechanism for hydraulic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05272620A true JPH05272620A (en) | 1993-10-19 |
Family
ID=13462520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7150292A Pending JPH05272620A (en) | 1992-03-27 | 1992-03-27 | Lubricating mechanism for hydraulic transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05272620A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009513891A (en) * | 2003-07-11 | 2009-04-02 | ツェットエフ、フリードリッヒスハーフェン、アクチエンゲゼルシャフト | Automatic transmission with hydraulically operated shift element |
| JP2010096245A (en) * | 2008-10-15 | 2010-04-30 | Yanmar Co Ltd | Hydraulic-mechanical transmission |
| KR20160066779A (en) * | 2014-12-03 | 2016-06-13 | 엘에스엠트론 주식회사 | Method for controlling lubrication of fluid type clutch |
-
1992
- 1992-03-27 JP JP7150292A patent/JPH05272620A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009513891A (en) * | 2003-07-11 | 2009-04-02 | ツェットエフ、フリードリッヒスハーフェン、アクチエンゲゼルシャフト | Automatic transmission with hydraulically operated shift element |
| JP2010096245A (en) * | 2008-10-15 | 2010-04-30 | Yanmar Co Ltd | Hydraulic-mechanical transmission |
| KR20160066779A (en) * | 2014-12-03 | 2016-06-13 | 엘에스엠트론 주식회사 | Method for controlling lubrication of fluid type clutch |
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