JPH01299323A - Oil supplying system for fluid coupling - Google Patents
Oil supplying system for fluid couplingInfo
- Publication number
- JPH01299323A JPH01299323A JP12831288A JP12831288A JPH01299323A JP H01299323 A JPH01299323 A JP H01299323A JP 12831288 A JP12831288 A JP 12831288A JP 12831288 A JP12831288 A JP 12831288A JP H01299323 A JPH01299323 A JP H01299323A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- air
- cooler
- fluid coupling
- oil cooler
- 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
Links
- 230000008878 coupling Effects 0.000 title claims description 22
- 238000010168 coupling process Methods 0.000 title claims description 22
- 238000005859 coupling reaction Methods 0.000 title claims description 22
- 239000012530 fluid Substances 0.000 title claims description 22
- 239000003921 oil Substances 0.000 claims abstract description 97
- 239000010687 lubricating oil Substances 0.000 claims abstract description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 9
- 238000005461 lubrication Methods 0.000 claims description 2
- -1 such as Substances 0.000 claims 1
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Fluid-Pressure Circuits (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、流体継手の給油系統に係シ、特に作動油系路
に混入したエアを積極的に抜き出し、かつ各系統の流量
をバランスさせるために好適な流体継手の給油系統に関
する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to the oil supply system of a fluid coupling, and in particular, actively extracts air mixed in the hydraulic oil line and balances the flow rate of each system. The present invention relates to a lubrication system for a fluid coupling suitable for the purpose of the present invention.
この種の従来技術として、単一の油冷却器を潤滑油と作
動油の冷却に共用し、かつ作動油系路を閉回路とした技
術がある。As a conventional technique of this kind, there is a technique in which a single oil cooler is used for cooling both lubricating oil and hydraulic oil, and the hydraulic oil line is a closed circuit.
′ しかじ、従来技術では、作動油系路に混入したエア
を人為的なバルブ操作で抜き出すようにしでいる。However, in the conventional technology, the air mixed in the hydraulic oil line is extracted by manually operating a valve.
また、従来技術は油圧、油温の安定化につながる各系統
の流室のバランスを図る手段を有していない。Further, the prior art does not have a means for balancing the flow chambers of each system, which leads to stabilization of oil pressure and oil temperature.
前記従来技術は、流体継手の速度変動を抑制するため、
作動油系路に混入したエアを積極的に抽出する配慮がさ
れておらず、広域に可変速する流体継手で、特定の領域
に発生し得る速度変動を防止できない問題があった。In the conventional technology, in order to suppress speed fluctuations of a fluid coupling,
There was no consideration given to actively extracting air mixed into the hydraulic oil system line, and there was a problem that it was not possible to prevent speed fluctuations that could occur in a specific area with a fluid coupling that variable speed over a wide range.
これを防止するため、エア抜きを行う場合には人為的な
パルプ操作に頼らねばならず、完全な自動運転が不可能
であった。また、従来技術において、エア抜き手段を設
けたとしても、潤滑油の流量バランスが崩れ１％に流体
継手の起動時に、起動インタロックをクリアする油圧が
得られない問題があった。In order to prevent this, when air is removed, it is necessary to rely on manual pulp manipulation, making completely automatic operation impossible. Further, in the prior art, even if an air bleed means is provided, there is a problem in that when the flow rate balance of the lubricating oil is disrupted and the fluid coupling is started at 1%, it is not possible to obtain the hydraulic pressure to clear the starting interlock.
また、補助油ポンプの吐出系路を、全量油冷却器をバイ
パスしてしまうと、運転停止後、直ちに再起動する際、
油タンク内の高温となった油を冷却しないまま流体継手
に給油することになる。Also, if the auxiliary oil pump's discharge line bypasses the entire oil cooler, when restarting immediately after stopping the operation,
The high temperature oil in the oil tank will be refilled to the fluid coupling without being cooled.
本発明の目的は、前記従来技術の問題を解決し。The object of the present invention is to solve the problems of the prior art.
作動油系路に混入したエアを積極的に抜き出すことがで
き、かついかなる運転状況にあっても油圧。Air mixed in the hydraulic oil system can be actively extracted, and the hydraulic pressure remains constant under any operating conditions.
油温の安定につながる各糸路の流量をバランスさせ得る
流体継手の給油系統を提供することにある。An object of the present invention is to provide an oil supply system for a fluid coupling that can balance the flow rates of each yarn path to stabilize the oil temperature.
前記目的は、油冷却器にエア抜き手段を設けるとともに
、補助油ポンプの吐出側配管の一部を油冷却器に接続し
、他の一部は油冷却器をバイパスさせたことによシ、達
成される。The above object is achieved by providing an air bleed means in the oil cooler, connecting a part of the discharge side piping of the auxiliary oil pump to the oil cooler, and bypassing the oil cooler in the other part. achieved.
〔作用〕
本発明では、補助油ポンプの吐出側配管の一部を油冷却
器に通すことによシ、高温となった油を冷却する。他の
一部をエア抜き手段を具備した油冷却器をバイパスぢせ
るため、起動インタロックをクリアするに足シる油量を
潤滑油として供給することができる。[Function] In the present invention, high temperature oil is cooled by passing a part of the discharge side piping of the auxiliary oil pump through an oil cooler. Since the other part is bypassed by the oil cooler equipped with air bleed means, it is possible to supply enough oil as lubricating oil to clear the starting interlock.
これによって、起動時は再起動時を含めて、適正に冷却
された油を、ｉｔ的にも十分潤滑油として供給できる。As a result, properly cooled oil can be supplied as a sufficient lubricant for IT during startup, including during restart.
また、運転中においては、流体継手の広域な可変速運転
に対しても、油冷却器に設けられたエア抜き手段を通じ
て１作動油中に混入したエアを積極的に外部へ排出する
ことができるため、速度変動が発生しない。In addition, during operation, air mixed in the hydraulic oil can be actively discharged to the outside through the air bleed means installed in the oil cooler, even when the fluid coupling is operated at a wide range of variable speeds. Therefore, speed fluctuations do not occur.
以下１本発明の実施例を図面によシ説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図は本発明の一実施例を示す系統図である。FIG. 1 is a system diagram showing one embodiment of the present invention.
この第１図に示す実施例の流体継手１は、入力軸２と、
作動室５と、出力軸６とを有している。The fluid coupling 1 of the embodiment shown in FIG. 1 includes an input shaft 2,
It has a working chamber 5 and an output shaft 6.
前記入力軸２は、軸受３，４によシ支持されている。The input shaft 2 is supported by bearings 3 and 4.
前記作動室５には、流体継手１の可変速手段として、す
くい管９が挿入されている。A scoop pipe 9 is inserted into the working chamber 5 as a variable speed means for the fluid coupling 1.
前記出力軸６は、１ｌｆｆｉ７，８によシ支持されてい
る。The output shaft 6 is supported by 1lffi 7 and 8.
前記すくい管９は１作動基５内から油とエアの混合物を
すくい取るようになっている。このすくい管９は、閉回
路に構成された給油系統に連結されている。The scoop pipe 9 is adapted to scoop out a mixture of oil and air from within one working group 5. This scoop pipe 9 is connected to an oil supply system configured in a closed circuit.
前記給油系統は、油タンク兼用ケース１０と。The oil supply system includes a case 10 that also serves as an oil tank.
すくい管９に接続嘔れた配管１１と、主油ポンプ１４と
、補助油ポンプ１８と、油冷却器２２と、これに設けら
れたエア抜き手段であるエア抜き配管２３と、前記油冷
却器２２に接続された作動油系路２４および潤滑油系路
２５とを備えて構成されている。A pipe 11 connected to the scoop pipe 9, a main oil pump 14, an auxiliary oil pump 18, an oil cooler 22, an air bleed pipe 23 which is an air bleed means provided therein, and the oil cooler. 22, a hydraulic oil line 24 and a lubricating oil line 25 are connected.
前記すくい管９に接続された配管１１には、逆上弁１２
と、圧力調整弁１３とが設けられている。A reverse valve 12 is installed in the pipe 11 connected to the scoop pipe 9.
and a pressure regulating valve 13 are provided.
この配管１１は、流体継手１０作作動室からすくい管９
ですくい取った油とエアの混合物を油冷却器２２に入れ
るようになっている。This piping 11 is connected from the fluid coupling 10 operation chamber to the scoop pipe 9
The mixture of oil and air that has been scooped out is put into an oil cooler 22.
前記主油ポンプ１４は、流体継手１の入力軸２にギヤ列
１５を介して駆動連結されている。また、主油ポンプ１
４の吐出側の配管１６は、前記配管１１を通じて油冷却
器２２に接続されている。なお、主油ポンプ１４の前記
配管１６には、逆止弁１７が設けられている。The main oil pump 14 is drivingly connected to the input shaft 2 of the fluid coupling 1 via a gear train 15. Also, main oil pump 1
The discharge side piping 16 of No. 4 is connected to an oil cooler 22 through the piping 11. Note that the piping 16 of the main oil pump 14 is provided with a check valve 17 .
前記補助油ポンプ１８は、駆動源１９に連結されている
。この補助油ポンプ１８の吐出側の配管２０の一部２０
−１は、前記配管１１を通じて油冷却器２２に接続され
、他の一部２０−２は、油冷却器２２をバイパスして潤
滑油系路２４に接続されている。前記補助油ポンプ１８
の吐出側の配管２０には、逆止弁２１が設けられている
。The auxiliary oil pump 18 is connected to a drive source 19. Part 20 of the piping 20 on the discharge side of this auxiliary oil pump 18
-1 is connected to the oil cooler 22 through the pipe 11, and the other part 20-2 is connected to the lubricating oil line 24 by bypassing the oil cooler 22. The auxiliary oil pump 18
A check valve 21 is provided in the piping 20 on the discharge side.
前記油冷却器２２は、潤滑油Ｌ・０と作動油Ｗ・０の冷
却に共用されている。The oil cooler 22 is commonly used to cool the lubricating oil L.0 and the hydraulic oil W.0.
前記エア抜き配管２３は、油冷却器２２に入った油とエ
アの混合物から、エアを積極的に抜き出し、流体継手１
の速度変動を抑制するようになっている。The air bleeding pipe 23 actively extracts air from the mixture of oil and air that has entered the oil cooler 22 and connects the fluid coupling 1.
It is designed to suppress speed fluctuations.
前記作動油系路１７には、圧力調節弁２６が設けられて
いる。この作動油系路１７は、油冷却器２２で冷却され
刀１つエア抜き配管２３でエアが抜き取られた油の一部
を作動油Ｗ・０として、流体継手１の作動室５に供給す
るようになっている。A pressure regulating valve 26 is provided in the hydraulic oil line 17. This hydraulic oil line 17 supplies a part of the oil, which has been cooled by the oil cooler 22 and from which air is removed by the air bleed pipe 23, to the working chamber 5 of the fluid coupling 1 as hydraulic oil W.0. It looks like this.
前記潤滑油系路２５は、油冷却器２２で冷却されかつエ
ア抜き配管２３でエアが抜き取られた油の他の一部を潤
滑油Ｌ・０として、軸受３，４および７，８等に供給す
るようになっている。The lubricating oil line 25 supplies the other part of the oil, which has been cooled by the oil cooler 22 and from which air has been removed by the air bleeding pipe 23, as lubricating oil L.0 to the bearings 3, 4, 7, 8, etc. supply.
前記実施例の給油系統は、次のように動作する。The oil supply system of the above embodiment operates as follows.
流体継手１の可変速手段としてのすくい管９によシ、流
体継手１の作動室５から油とエアの混付物をすくい取９
、これを閉回路に構成された給油系統に入れる。A mixture of oil and air is scooped out from the working chamber 5 of the fluid coupling 1 through the scoop pipe 9 as a variable speed means of the fluid coupling 1.
, this is put into a refueling system configured as a closed circuit.
前記給油系統では、前記すくい管９ですくった油とエア
の混合物を油タンクに戻さず、直接油冷却器２２に挿入
し、ここで冷却し、エア抜き配管２３によりエアを抜き
取ったのち、油を再び潤滑油Ｌ・０および作動油Ｗ・０
として給油する。In the oil supply system, the mixture of oil and air scooped out by the scoop pipe 9 is not returned to the oil tank, but is directly inserted into the oil cooler 22, where it is cooled, and after air is removed through the air bleed pipe 23, the oil and air mixture is not returned to the oil tank. Again, add lubricating oil L.0 and hydraulic oil W.0.
Refuel as.
すなわち、作動油Ｗ・０は、すくい管９ですくった自己
のエネルギーにより、閉回路中を自己循環している。That is, the hydraulic oil W.0 is self-circulating in the closed circuit due to its own energy scooped up by the scoop pipe 9.
主油ポンプ１４と補助油ボ／ブ１８は、潤滑油Ｌ・０の
供給と、閉回路からリークする油の補充のために作動す
る。The main oil pump 14 and the auxiliary oil valve 18 operate to supply lubricating oil L.0 and replenish oil leaking from the closed circuit.
閉回路中のエアは、エア抜き配管２３から外部に排出さ
れる。油とエアの混合物から、最もエアを分離しやすい
個所は、管路中の断面積が急増する個所であることが判
っている。し九がって、この実施例では油冷却器２２に
エア抜き配管２３を接続している。Air in the closed circuit is exhausted to the outside from the air vent pipe 23. It has been found that the locations where air is most easily separated from a mixture of oil and air are locations where the cross-sectional area of the pipe increases rapidly. Therefore, in this embodiment, an air bleed pipe 23 is connected to the oil cooler 22.
潤滑油Ｌ・０と作動油Ｗ・０の油冷却器２２を共用して
いるのは、それぞれに冷却器を設けるよシは給油系統が
簡素化され１価格的に有利であるからである。また、給
油系統を閉回路に構成している理由も、油タンクを小さ
くできること、および主油ポンプの容量を小さくするこ
とができるという利点があるためである。The oil cooler 22 for lubricating oil L.0 and hydraulic oil W.0 is shared because providing a cooler for each simplifies the oil supply system and is advantageous in terms of cost. Further, the reason why the oil supply system is configured as a closed circuit is that there are advantages in that the oil tank can be made smaller and the capacity of the main oil pump can be made smaller.
この実施例によれば、再起動を含むあらゆる起動条件に
おいて、何ら問題なく運転に移行できるとともに、可変
速運転におけるあらゆる運転条件下でも適正な運転が可
能となる。According to this embodiment, it is possible to shift to operation without any problem under any starting conditions including restart, and proper operation is possible under all operating conditions in variable speed operation.
以上説明した本発明によれば、補助油ポンプの吐出側配
管の一部を油冷却器に通すことにより、高温となった油
を冷却する。他の一部をエア抜き手段を具備した油冷却
器をバイパスさせるため、起動インタロックをクリアす
るに足シる油量を潤滑油として供給することができ、こ
れによって起動時は再起動時を含めて、適正に冷却され
た油を。According to the present invention described above, a portion of the discharge side piping of the auxiliary oil pump is passed through the oil cooler to cool the oil that has reached a high temperature. By bypassing the oil cooler equipped with air bleed means, it is possible to supply enough oil as lubricant to clear the startup interlock. Including properly cooled oil.
量的にも十分潤滑油として供給できる効果がある。It has the effect of being able to supply sufficient quantity as lubricating oil.
また、本発明によれば、運転中においては、流体継手の
広域な可変速運転に対しても、油冷却器に設けられたエ
ア抜き手段を通じて１作動油中に混入したエアを積極的
に外部へ排出することができるため、速度変動が発生し
ないので、流体継手の再起動を含むあらゆる起動条件に
おいて、何ら問題なく運転に移行できる効果があシ、可
変速運転におけるあらゆる運転条件下でも、適正な自動
運転を行い得る効果がある。Further, according to the present invention, during operation, even when the fluid coupling is operated at a wide range of variable speeds, the air mixed in the hydraulic oil is actively removed from the air through the air bleed means provided in the oil cooler. Since speed fluctuations do not occur, it is possible to shift to operation without any problems under any starting conditions, including restarting the fluid coupling, and it is possible to maintain proper operation under all operating conditions in variable speed operation. This has the effect of enabling automatic driving.
第１図は本発明の一実施例を示す系統図である。 FIG. 1 is a system diagram showing one embodiment of the present invention.
Claims (1)
混合物を油タンクに戻さずに直接油冷却器に挿入し、こ
の油冷却器で冷却し、エアを分離したのち、その油を再
び軸受等の潤滑油と、流体継手における動力の伝達を行
う媒体である作動油として給油する閉回路に構成した流
体継手の給油系統において、前記油冷却器にエア抜き手
段を設けるとともに、補助油ポンプの吐出側配管の一部
を油冷却器に接続し、他の一部は油冷却器をバイパスさ
せたことを特徴とする流体継手の給油系統。1. Scoop up the mixture of oil and air from the working chamber, insert this mixture directly into the oil cooler without returning it to the oil tank, cool it in the oil cooler, separate the air, and then pour the oil back into the bearing. In a fluid coupling lubrication system configured in a closed circuit that supplies lubricating oil, such as, and hydraulic oil, which is a medium for transmitting power in a fluid coupling, the oil cooler is provided with an air bleed means, and an auxiliary oil pump is provided with an air release means. A fluid coupling oil supply system characterized in that a part of the discharge side piping is connected to an oil cooler, and the other part bypasses the oil cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63128312A JP2776831B2 (en) | 1988-05-27 | 1988-05-27 | Fluid coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63128312A JP2776831B2 (en) | 1988-05-27 | 1988-05-27 | Fluid coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01299323A true JPH01299323A (en) | 1989-12-04 |
| JP2776831B2 JP2776831B2 (en) | 1998-07-16 |
Family
ID=14981659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63128312A Expired - Lifetime JP2776831B2 (en) | 1988-05-27 | 1988-05-27 | Fluid coupling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2776831B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10327154A1 (en) * | 2003-06-13 | 2005-01-13 | Voith Turbo Gmbh & Co. Kg | Method for supplying lubricant to bearing assemblies of a hydrodynamic coupling and hydrodynamic coupling |
| DE102016215739A1 (en) | 2016-08-23 | 2018-03-01 | Voith Patent Gmbh | Hydrodynamic coupling |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102631503B1 (en) * | 2021-12-30 | 2024-01-31 | 주식회사 나라코퍼레이션 | Variable speed fluid coupling be equipped with reduction gear |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5691932U (en) * | 1979-12-17 | 1981-07-22 |
-
1988
- 1988-05-27 JP JP63128312A patent/JP2776831B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5691932U (en) * | 1979-12-17 | 1981-07-22 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10327154A1 (en) * | 2003-06-13 | 2005-01-13 | Voith Turbo Gmbh & Co. Kg | Method for supplying lubricant to bearing assemblies of a hydrodynamic coupling and hydrodynamic coupling |
| DE10327154B4 (en) * | 2003-06-13 | 2005-05-25 | Voith Turbo Gmbh & Co. Kg | Method for supplying lubricant to bearing assemblies of a hydrodynamic coupling and hydrodynamic coupling |
| US7343739B2 (en) | 2003-06-13 | 2008-03-18 | Voith Turbo Gmbh & Co. Kg | Method for supplying bearing components of a hydrodynamic clutch with lubricant and corresponding hydrodynamic clutch |
| DE102016215739A1 (en) | 2016-08-23 | 2018-03-01 | Voith Patent Gmbh | Hydrodynamic coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2776831B2 (en) | 1998-07-16 |
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