JP2001241313A - Lubricating oil supplying device of internal combustion engine - Google Patents
Lubricating oil supplying device of internal combustion engineInfo
- Publication number
- JP2001241313A JP2001241313A JP2000053544A JP2000053544A JP2001241313A JP 2001241313 A JP2001241313 A JP 2001241313A JP 2000053544 A JP2000053544 A JP 2000053544A JP 2000053544 A JP2000053544 A JP 2000053544A JP 2001241313 A JP2001241313 A JP 2001241313A
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- supercharger
- engine
- internal combustion
- combustion engine
- 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
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 107
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 33
- 238000005461 lubrication Methods 0.000 claims description 72
- 230000001050 lubricating effect Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 9
- 230000003749 cleanliness Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Supercharger (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、過給機や機関各部
へ潤滑油を供給する内燃機関の潤滑油給油装置に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricating oil supply device for an internal combustion engine that supplies lubricating oil to a supercharger and various parts of the engine.
【０００２】[0002]
【従来の技術】従来の内燃機関の潤滑油給油装置は、内
燃機関各部と過給機とが共通の給油タンク内から供給さ
れるもの（システム注油方式）と、内燃機関各部用と過
給機用の二つの給油タンクを備え、それぞれ別々に供給
されるものとが存在する。2. Description of the Related Art A conventional lubricating oil supply system for an internal combustion engine includes an internal combustion engine and a supercharger which are supplied from a common oil supply tank (system lubrication system). There are two refueling tanks, each of which is separately supplied.
【０００３】図４は従来のシステム注油方式の給油装置
の系統略図であり、図５は従来の別注油方式の給油装置
の系統略図である。過給機へ供給された潤滑油は、潤滑
後においてもほとんど汚れないが、内燃機関各部を潤滑
した潤滑油には不純物が混在してしまう。逆に、過給機
へ供給する潤滑油は、内燃機関各部へ供給する潤滑油よ
りも清浄である必要がある。図４のシステム注油方式の
給油装置３００では、オイルパン５１内の潤滑油はポン
プ５２により大部分はクーラ５３及びフィルタ５４を介
して潤滑油メインギャラリ５６へ送られ、潤滑油メイン
ギャラリ５６から機関５０の各部へ供給される。また、
潤滑油メインギャラリ５６内の潤滑油は、フィルタ５７
を介して過給機５８へも供給される。機関５０の各部へ
供給された潤滑油及び過給機５８へ供給された潤滑油
は、それぞれオイルパン５１内へ戻る。FIG. 4 is a schematic diagram of a conventional lubricating device of a system lubricating system, and FIG. 5 is a schematic diagram of a conventional lubricating device of a separate lubricating system. Although the lubricating oil supplied to the turbocharger is hardly contaminated even after lubrication, impurities are mixed in the lubricating oil that has lubricated each part of the internal combustion engine. Conversely, the lubricating oil supplied to the supercharger needs to be cleaner than the lubricating oil supplied to each part of the internal combustion engine. In the lubricating apparatus 300 of the system lubricating type shown in FIG. 4, the lubricating oil in the oil pan 51 is mostly sent to the lubricating oil main gallery 56 by the pump 52 via the cooler 53 and the filter 54, 50 are supplied to each part. Also,
The lubricating oil in the lubricating oil main gallery 56 is
Is also supplied to the supercharger 58. The lubricating oil supplied to each part of the engine 50 and the lubricating oil supplied to the supercharger 58 return to the oil pan 51, respectively.
【０００４】一方、ポンプ５２により吸い上げられた潤
滑油のうちの一部は遠心こし器５５へ送られ、遠心こし
器５５で浄化された後に再度オイルパン５１内へ戻さ
れ、これによりオイルパン５１内の潤滑油の浄化を図っ
ている。このようなシステム注油方式の給油装置３００
においては、同じオイルパン５１内の潤滑油で機関５０
の各部と過給機５８とを潤滑している。したがって、過
給機５８へ供給される潤滑油は、途中でフィルタ５７に
より不純物を除去し、清浄化した後に過給機５８へ供給
するようになっている。この場合、フィルタ５７は過給
機５８へ供給する潤滑油の清浄さを一定の水準に保つた
めに、目を細かくすることが望ましいが、目を細かくす
るとすぐに目詰まりしてしまい、フィルタとしての寿命
は短くなる。したがって、フィルタ５７のメンテナンス
は頻繁に行わなければならない。On the other hand, a part of the lubricating oil sucked up by the pump 52 is sent to a centrifugal strainer 55, purified by the centrifugal strainer 55, and returned to the oil pan 51 again. It purifies the lubricating oil inside. Such a system lubrication system 300
, The engine oil 50 in the same oil pan 51
And the supercharger 58 are lubricated. Therefore, the lubricating oil supplied to the supercharger 58 is supplied to the supercharger 58 after the impurities are removed by the filter 57 on the way, and after being purified. In this case, it is desirable that the filter 57 be fine in order to maintain the cleanliness of the lubricating oil supplied to the supercharger 58 at a constant level. Life is shortened. Therefore, maintenance of the filter 57 must be performed frequently.
【０００５】また、図５に示す別注油方式の給油装置４
００では、過給機６０へ供給される潤滑油は、専用のタ
ンク７１に貯蔵されており、機関各部へ供給される潤滑
油は図示しない別のタンク（オイルパン）に貯蔵されて
いる。[0005] A lubricating device 4 of a separate lubrication system shown in FIG.
At 00, the lubricating oil supplied to the supercharger 60 is stored in a dedicated tank 71, and the lubricating oil supplied to each part of the engine is stored in another tank (oil pan) not shown.
【０００６】図５の給油装置４００では、タンク７１内
の潤滑油がポンプ６５でクーラ６９（サーモスタット７
０により一定の温度範囲に設定されている），フィルタ
７２及び圧力計６３を介して過給機６０へ供給される。
潤滑油は、クーラ６９により一定温度範囲に保たれ、フ
ィルタ７２により所定の清浄度が保たれ、圧力計６３に
より潤滑油の供給量が必要供給量に達しているか否かが
チェックされる。潤滑油の供給量が不足していると圧力
低下検出スイッチ６４が作動し、図示しない警報を発し
て作業者に通報するようになっている。また、過給機６
０に過剰な圧力が掛からないように、過給機６０には調
圧弁６２が設けてある。In the lubricating device 400 shown in FIG. 5, the lubricating oil in the tank 71 is supplied to the cooler 69 (the thermostat 7) by the pump 65.
The temperature is set to a constant range by 0), and is supplied to the supercharger 60 via the filter 72 and the pressure gauge 63.
The lubricating oil is kept in a certain temperature range by the cooler 69, a predetermined cleanliness is kept by the filter 72, and it is checked by the pressure gauge 63 whether or not the lubricating oil supply amount has reached a required supply amount. When the supply amount of the lubricating oil is insufficient, the pressure drop detection switch 64 is operated, and an alarm (not shown) is issued to notify the worker. In addition, supercharger 6
The supercharger 60 is provided with a pressure regulating valve 62 so that excessive pressure is not applied to zero.
【０００７】さらに給油装置４００には、過給機６０を
潤滑した潤滑油に空気が混在すると空気のみを過給機６
０へ戻しかつ潤滑油はタンク７１へ戻す分離器６１が設
けてある。図示しない機関が運転中はポンプ６５により
潤滑油が過給機６０に供給されるが、機関の停止直後，
始動直前には補助ポンプ６６によりタンク７１内の潤滑
油を過給機６０へ供給するようになっている。Further, when air is mixed in the lubricating oil that lubricates the supercharger 60, only the air is supplied to the supercharger 6.
A separator 61 is provided for returning to 0 and returning the lubricating oil to the tank 71. While the engine (not shown) is operating, the pump 65 supplies lubricating oil to the supercharger 60.
Immediately before the start, the lubricating oil in the tank 71 is supplied to the supercharger 60 by the auxiliary pump 66.
【０００８】図５の給油装置４００は、図４の給油装置
３００よりも清浄な潤滑油を過給機６０へ供給すること
ができ、かつフィルタ７２は図４の給油装置３００のフ
ィルタ５７と比較してメンテナンスが容易である。しか
し、図５の給油装置４００において図示しない機関に、
図４に示すポンプ５２，クーラ５３，フィルタ５４及び
オイルパン５１に相当するものが設けてあり、この点で
図５の給油装置４００は、図４の給油装置３００よりも
複雑な構成を備えている。The lubricating apparatus 400 shown in FIG. 5 can supply cleaner lubricant to the supercharger 60 than the lubricating apparatus 300 shown in FIG. 4, and the filter 72 is compared with the filter 57 of the lubricating apparatus 300 shown in FIG. Maintenance is easy. However, an engine not shown in the refueling device 400 of FIG.
The components corresponding to the pump 52, the cooler 53, the filter 54, and the oil pan 51 shown in FIG. 4 are provided. In this regard, the oil supply device 400 in FIG. 5 has a more complicated configuration than the oil supply device 300 in FIG. I have.
【０００９】[0009]
【発明が解決しようとする課題】上述したように、図４
の給油装置３００は構造が簡単であるが、過給機５８へ
供給する潤滑油に不純物が混在し易く、また、図５の給
油装置４００は、図４の給油装置３００よりも構造が複
雑となる。そこで本発明では、構造が複雑とならず、か
つ過給機へ供給する潤滑油に不純物が混合しにくい内燃
機関の潤滑油給油装置を提供することを目的としてい
る。As described above, FIG.
Although the lubricating device 300 of FIG. 5 has a simple structure, the lubricating oil supplied to the supercharger 58 tends to contain impurities, and the lubricating device 400 of FIG. 5 has a more complicated structure than the lubricating device 300 of FIG. Become. Therefore, an object of the present invention is to provide a lubricating oil supply device for an internal combustion engine in which the structure is not complicated and impurities are hardly mixed in the lubricating oil supplied to the supercharger.
【００１０】[0010]
【課題を解決するための手段】上記課題を解決するため
に請求項１の発明は、機関注油用タンク内の潤滑油を内
燃機関各部へ供給する機関注油用ポンプを備え、過給機
注油用タンク内の潤滑油を過給機へ供給する過給機注油
用ポンプを備え、内燃機関の停止直後，停止中及び始動
直前のうち少なくとも一つに潤滑油を内燃機関各部及び
過給機へ供給する補助ポンプを備えた。また、請求項２
の発明は、請求項１の発明において内燃機関の運転中に
過給機注油用タンクから過給機に供給された潤滑油を過
給機注油用タンクへ戻し、前記内燃機関の停止直後，停
止中及び始動直前のうちの少なくとも一つにおいて、機
関注油用タンク内の潤滑油が過給機へ供給される場合に
は、過給機を潤滑した後の潤滑油を機関注油用タンクへ
戻す潤滑油通路切換手段を備えた。According to a first aspect of the present invention, there is provided an engine lubrication pump for supplying lubricating oil in an engine lubrication tank to various parts of an internal combustion engine. Equipped with a turbocharger lubrication pump that supplies lubricating oil in the tank to the supercharger, and supplies lubricating oil to each part of the internal combustion engine and the turbocharger at least one of immediately after stopping, immediately before stopping, and immediately before starting the internal combustion engine Auxiliary pump. Claim 2
According to the invention of claim 1, the lubricating oil supplied from the supercharger lubrication tank to the supercharger during operation of the internal combustion engine is returned to the supercharger lubrication tank during the operation of the internal combustion engine. When lubricating oil in the engine lubrication tank is supplied to the supercharger during at least one of during and immediately before starting, lubrication oil that lubricates the supercharger is returned to the engine lubrication tank. Oil passage switching means is provided.
【００１１】[0011]
【発明の実施の形態】図１は、請求項１及び請求項２の
発明による内燃機関の潤滑油給油装置１００の系統略図
である。図１において給油装置１００は、潤滑油を貯蔵
した過給機注油用タンク２と機関注油用タンク１０の２
つのタンクを備えている。FIG. 1 is a system schematic diagram of a lubricating oil supply apparatus 100 for an internal combustion engine according to the first and second aspects of the present invention. In FIG. 1, a lubricating apparatus 100 includes a supercharger lubrication tank 2 storing lubricating oil and an engine lubrication tank 10.
It has two tanks.
【００１２】過給機注油用タンク２内の潤滑油は、途中
に逆止弁４を備えた配管１８を通して過給機注油用ポン
プ３により吸い上げられ、配管１９，２０，フィルタ
５，途中に圧力計６及び圧力低下検出スイッチ７を備え
た配管２１を介して過給機１へ供給される。過給機１を
潤滑した潤滑油は、配管２３を通って過給機注油用タン
ク２へ戻る。配管２１と配管２３は、途中に調圧弁８を
備えた配管２２で接続されている。The lubricating oil in the supercharger lubrication tank 2 is sucked up by the supercharger lubrication pump 3 through a pipe 18 provided with a check valve 4 on the way, and the pipes 19 and 20, a filter 5 and a pressure It is supplied to the supercharger 1 via a pipe 21 provided with a total 6 and a pressure drop detection switch 7. The lubricating oil that has lubricated the supercharger 1 returns to the supercharger lubrication tank 2 through the pipe 23. The pipe 21 and the pipe 23 are connected by a pipe 22 provided with the pressure regulating valve 8 on the way.
【００１３】過給機注油用ポンプ３により過給機注油用
タンク２から吸い上げられた潤滑油は、フィルタ５によ
り一定水準の清浄度が保たれ、圧力計６により潤滑油が
必要な量に達しているか否かがチェックされる。潤滑油
の供給量が不足していると圧力低下検出スイッチ７が作
動し、図示しない警報を発して作業者に通報するように
なっている。また、調圧弁８により過給機１には過剰な
圧力が掛からないようにしてある。調圧弁８は、過給機
１に過剰な潤滑油が供給されると作動し、配管２２を介
して過剰分の潤滑油を配管２３へ逃がし、過給機１を保
護する。The lubricating oil sucked up from the supercharger lubrication tank 2 by the supercharger lubrication pump 3 is maintained at a certain level of cleanliness by the filter 5 and reaches the required amount by the pressure gauge 6. Is checked. If the supply amount of the lubricating oil is insufficient, the pressure drop detection switch 7 is operated, and an alarm (not shown) is issued to notify the worker. Further, the pressure regulating valve 8 prevents excessive pressure from being applied to the supercharger 1. The pressure regulating valve 8 operates when excessive lubricating oil is supplied to the supercharger 1, and releases excess lubricating oil to the pipe 23 via the pipe 22 to protect the supercharger 1.
【００１４】一方、機関（図示せず）へは、機関注油用
タンク１０内の潤滑油が機関注油用ポンプ１１により吸
い上げられ、配管２５を介して図示しない機関各部へ供
給される。その際、配管２５から分岐した配管２６及び
途中にフィルタ１２を備えた配管２７を介して一部の潤
滑油が過給機注油用タンク２内へ供給される。また、機
関各部へ供給された潤滑油は、配管３１を介してタンク
１０内に回収される。On the other hand, the lubricating oil in the engine lubrication tank 10 is sucked up by an engine lubrication pump 11 to an engine (not shown), and supplied to various parts of the engine (not shown) via a pipe 25. At this time, a part of lubricating oil is supplied into the supercharger lubrication tank 2 via a pipe 26 branched from the pipe 25 and a pipe 27 provided with the filter 12 in the middle. Further, the lubricating oil supplied to each part of the engine is collected in the tank 10 via the pipe 31.
【００１５】フィルタ１２としては、例えば遠心こし器
を用いることができ、フィルタ１２は機関注油用タンク
１０内の潤滑油を過給機注油用タンク内の潤滑油と同程
度の清浄さとなるように濾過する。このようにして過給
機注油用タンク２内の潤滑油は補充されるので、過給機
１で潤滑油が消費されても過給機注油用タンク２内の潤
滑油の貯蔵量は所定量を維持することができる。As the filter 12, for example, a centrifugal strainer can be used, and the filter 12 makes the lubricating oil in the engine lubrication tank 10 as clean as the lubricating oil in the supercharger lubrication tank. Filter. Since the lubricating oil in the supercharger lubrication tank 2 is replenished in this way, the amount of the lubricating oil stored in the supercharger lubrication tank 2 is a predetermined amount even when the lubricating oil is consumed in the supercharger 1. Can be maintained.
【００１６】過給機注油用タンク２と機関注油用タンク
１０とは管１４で接続されており、過給機注油用タンク
２内の潤滑油の油面３０が管１４の高さに達すると、過
給機注油用タンク２内の潤滑油は管１４を介して機関注
油用タンク１０へと流出する。The supercharger lubrication tank 2 and the engine lubrication tank 10 are connected by a pipe 14, and when the oil level 30 of the lubricating oil in the supercharger lubrication tank 2 reaches the height of the pipe 14. The lubricating oil in the supercharger lubrication tank 2 flows out to the engine lubrication tank 10 through the pipe 14.
【００１７】また、機関注油用タンク１０には、潤滑油
を補充する図示しない配管が設けてあり、機関注油用タ
ンク１０内の潤滑油の油面が予め設定したレベルまで下
がると、この配管を介して潤滑油が補充されるようにな
っている。The engine lubrication tank 10 is provided with a pipe (not shown) for replenishing lubricating oil. When the oil level of the lubricating oil in the engine lubrication tank 10 drops to a predetermined level, this pipe is opened. Lubricating oil is to be replenished via the.
【００１８】過給機注油用タンク２と機関注油用タンク
１０とは、管１４とは別に管９で接続されている。管９
には切換弁１３（潤滑油通路切換手段）が設けてあり、
この切換弁１３には配管２６を介して油圧が供給されて
おり、切換弁１３は機関の運転中（機関注油用ポンプ１
１の稼動中）は図２に示すように管９を閉じている。The supercharger lubrication tank 2 and the engine lubrication tank 10 are connected by a pipe 9 separately from the pipe 14. Tube 9
Is provided with a switching valve 13 (lubricating oil passage switching means).
The switching valve 13 is supplied with hydraulic pressure via a pipe 26, and the switching valve 13 is operated during the operation of the engine (the engine lubrication pump 1).
1 (during operation), the pipe 9 is closed as shown in FIG.
【００１９】機関の運転中においては、過給機１を潤滑
した潤滑油は、図２に示すように配管２３を介して管９
の上向きの広がった開口端から管９内に入るが、切換弁
１３により管９内を通過することができないので、矢印
で示すようにオーバーフローし、過給機注油用タンク２
内に戻る。また、機関各部へ供給された潤滑油は、配管
３１を介して機関注油用タンク１０内へ戻る。During operation of the engine, the lubricating oil lubricating the turbocharger 1 is supplied to the pipe 9 through the pipe 23 as shown in FIG.
Enters the pipe 9 from the upward open end, but cannot pass through the pipe 9 by the switching valve 13, so that the overflow occurs as shown by the arrow and the supercharger lubrication tank 2
Return inside. The lubricating oil supplied to each part of the engine returns to the engine lubrication tank 10 via the pipe 31.
【００２０】機関の始動前に、過給機１や機関各部に予
め潤滑油を行き渡らせておくことにより、始動を円滑に
行うことができる。この場合、補助ポンプ１７により、
一方では配管２８，２９及び逆止弁１６を介して機関各
部へ潤滑油が供給され、また他方では同じく補助ポンプ
１７により、配管２８，２９及び途中に逆止弁１５を備
えた配管２０，フィルタ５及び配管２１を介して機関注
油用タンク１０内の少量の潤滑油が過給機１へ供給され
る。Before starting the engine, the lubricating oil can be distributed to the turbocharger 1 and various parts of the engine in advance so that the engine can be started smoothly. In this case, the auxiliary pump 17
On the one hand, lubricating oil is supplied to each part of the engine via the pipes 28 and 29 and the check valve 16, and on the other hand the pipes 28 and 29 and the pipe 20 having the check valve 15 A small amount of lubricating oil in the engine lubrication tank 10 is supplied to the supercharger 1 via the pipe 5 and the pipe 21.
【００２１】このとき、機関注油用ポンプ１１は稼動し
ておらず、切換弁１３には配管２６を介して油圧が供給
されておらず、切換弁１３は図１に示すように管９を開
いている。過給機１へ供給された潤滑油は機関注油用タ
ンク１０内の潤滑油であるが、この潤滑油は配管２３，
管９を介して機関注油用タンク１０内へ戻る。At this time, the engine lubrication pump 11 is not operating, the hydraulic pressure is not supplied to the switching valve 13 via the pipe 26, and the switching valve 13 opens the pipe 9 as shown in FIG. ing. The lubricating oil supplied to the supercharger 1 is the lubricating oil in the engine lubrication tank 10.
It returns to the engine lubrication tank 10 via the pipe 9.
【００２２】機関を停止すると、機関注油用ポンプ１１
及び過給機注油用ポンプ３も同時に停止するので、機関
各部及び過給機１の焼け付きを防止するため、補助ポン
プ１７により潤滑油を供給して冷却する必要がある。こ
の場合においても、過給機１へ供給された機関注油用タ
ンク１０内の潤滑油は、管９を介して機関注油用タンク
１０へ戻る。給油装置１００では、1つの補助ポンプ１
７により、機関各部及び過給機１のいずれにも機関注油
用タンク１０内の潤滑油を供給することができる。When the engine is stopped, the engine lubrication pump 11
In addition, since the turbocharger lubrication pump 3 is also stopped at the same time, it is necessary to supply lubricating oil by the auxiliary pump 17 and cool it in order to prevent seizure of various parts of the engine and the supercharger 1. Also in this case, the lubricating oil in the engine lubrication tank 10 supplied to the supercharger 1 returns to the engine lubrication tank 10 via the pipe 9. In the refueling device 100, one auxiliary pump 1
7, the lubricating oil in the engine lubrication tank 10 can be supplied to both the engine parts and the supercharger 1.
【００２３】機関各部で使用される潤滑油と過給機１で
使用される潤滑油とでは、必要とされる清浄さの度合い
が異なり、過給機１には機関各部へ供給される潤滑油よ
りも清浄な潤滑油を供給する必要があるが、請求項１の
発明では、過給機１に供給される過給機注油用タンク２
内の潤滑油を機関各部へ供給される機関注油用タンク１
０内の潤滑油よりも清浄にすることにより、フィルタ５
の精度を向上させても目詰まりしにくくなり、より清浄
な潤滑油を過給機１へ供給することができる。The required degree of cleanliness differs between the lubricating oil used in each part of the engine and the lubricating oil used in the supercharger 1. Although it is necessary to supply cleaner lubricant than the above, in the invention of claim 1, the supercharger lubrication tank 2 supplied to the supercharger 1 is provided.
Engine lubrication tank 1 that supplies lubricating oil in the engine to various parts of the engine
The filter 5 can be made more clean by cleaning it
Even if the precision of the oil is improved, clogging is hardly caused, and cleaner lubricant can be supplied to the supercharger 1.
【００２４】図３は、請求項１の発明による内燃機関の
潤滑油給油装置２００の系統略図である。給油装置２０
０が図１及び図２の給油装置１００と異なる点は、補助
ポンプ１７により潤滑油を供給する際に、過給機注油用
タンク２を供給源として機関各部及び過給機１へ潤滑油
を供給する点である。FIG. 3 is a system schematic diagram of a lubricating oil supply device 200 for an internal combustion engine according to the present invention. Refueling device 20
1 is different from the lubricating device 100 shown in FIGS. 1 and 2 in that when supplying the lubricating oil by the auxiliary pump 17, the lubricating oil is supplied to each part of the engine and the supercharger 1 using the supercharger lubrication tank 2 as a supply source. The point of supply.
【００２５】補助ポンプ１７の潤滑油供給源を機関注油
用タンク１０から過給機注油用タンク２に変更したこと
に伴い、図３の給油装置２００では図１の管９及び切換
弁１３が不用となり、補助ポンプ１７により過給機１に
供給された潤滑油は、配管２３を介して過給機注油用タ
ンク２に回収され、また、途中に逆止弁１６を備えた配
管２９から機関各部へ供給された潤滑油は、配管３１を
介して機関注油用タンク１０へ回収される。その他の構
成及び通常運転時における給油装置２００の動作は、図
１の給油装置１００と同じである。With the change of the lubricating oil supply source of the auxiliary pump 17 from the engine lubrication tank 10 to the supercharger lubrication tank 2, the pipe 9 and the switching valve 13 of FIG. The lubricating oil supplied to the supercharger 1 by the auxiliary pump 17 is collected in the supercharger lubrication tank 2 through the pipe 23, and the various parts of the engine are supplied from the pipe 29 provided with the check valve 16 in the middle. Is supplied to the engine lubrication tank 10 through the pipe 31. The rest of the configuration and the operation of the refueling device 200 during normal operation are the same as those of the refueling device 100 of FIG.
【００２６】[0026]
【発明の効果】請求項１の発明では、従来の別注油方式
の給油装置（図５）よりも簡単な構造で給油装置１００
を構成することができ、かつ機関各部へ潤滑油を供給し
かつ回収するタンク（機関注油用タンク１０）と過給機
１へ潤滑油を供給しかつ回収するタンク（過給機注油用
タンク２）とを別々に設けたので、過給機１には常に清
浄な潤滑油を供給することができる。According to the first aspect of the present invention, the lubricating device 100 has a simpler structure than the conventional lubricating device of the conventional lubricating type (FIG. 5).
And a tank for supplying and collecting the lubricating oil to each part of the engine (the engine lubricating tank 10) and a tank for supplying and collecting the lubricating oil to the supercharger 1 (the supercharger lubricating tank 2) ) Are provided separately, so that clean lubricating oil can always be supplied to the supercharger 1.
【００２７】請求項１の発明では、機関注油用タンク１
０と過給機注油用タンク２とを設けたので、過給機１に
は常に清浄な潤滑油を供給することができ、不純物が混
在した潤滑油を供給した場合と比較して過給機１の寿命
を延ばすことができる。According to the first aspect of the present invention, the engine lubrication tank 1
0 and the supercharger lubrication tank 2 are provided, so that clean lubricating oil can always be supplied to the supercharger 1 and compared with the case where lubricating oil mixed with impurities is supplied. 1 can be extended.
【００２８】補助ポンプ１７を備えたことにより、内燃
機関停止直後，内燃機関始動直前に潤滑油を機関各部及
び過給機１へ供給することができる。停止直後において
は内燃機関を冷却することができ、始動直前においては
予め潤滑油を供給しておくことにより摺動箇所の破損を
予防することができ、内燃機関を保護することができ
る。The provision of the auxiliary pump 17 makes it possible to supply the lubricating oil to each part of the engine and the supercharger 1 immediately after the stop of the internal combustion engine and immediately before the start of the internal combustion engine. Immediately after the stop, the internal combustion engine can be cooled. Immediately before the start, lubricating oil is supplied in advance, so that damage to sliding parts can be prevented, and the internal combustion engine can be protected.
【００２９】請求項２の発明では、補助ポンプ１７で機
関注油用タンク１０内の潤滑油を過給機１へ供給する場
合には、管９を介して機関注油用タンク１０へ潤滑油を
回収することができるので、過給機注油用タンク２内の
潤滑油と混合させずに済み、過給機注油用タンク２内の
潤滑油の清浄さを保つことができる。According to the invention of claim 2, when the lubricating oil in the engine lubrication tank 10 is supplied to the supercharger 1 by the auxiliary pump 17, the lubricating oil is recovered to the engine lubrication tank 10 through the pipe 9. Therefore, it is not necessary to mix with the lubricating oil in the supercharger lubrication tank 2 and the lubricating oil in the supercharger lubrication tank 2 can be kept clean.
【図１】 請求項１及び請求項２の発明による内燃機関
の潤滑油給油装置の系統略図である。FIG. 1 is a system schematic diagram of a lubricating oil supply device for an internal combustion engine according to the first and second aspects of the present invention.
【図２】 内燃機関停止時における図１の内燃機関の潤
滑油給油装置の系統略図である。2 is a system schematic diagram of a lubricating oil supply device for the internal combustion engine of FIG. 1 when the internal combustion engine is stopped.
【図３】 請求項２の発明による内燃機関の潤滑油給油
装置の系統略図である。FIG. 3 is a system schematic diagram of a lubricating oil supply device for an internal combustion engine according to the invention of claim 2;
【図４】 従来のシステム注油式の内燃機関の潤滑油給
油装置の系統略図である。FIG. 4 is a system schematic diagram of a conventional lubricating oil supply device for a system lubricated internal combustion engine.
【図５】 従来の別注油式の内燃機関の潤滑油給油装置
の系統略図である。FIG. 5 is a system schematic diagram of a conventional lubricating oil supply device for a bespoke oil type internal combustion engine.
１ 過給機 ２ 過給機注油用タンク ３ 過給機注油用ポンプ ９ 管 １０ 機関注油用タンク １１ 機関注油用ポンプ １２ フィルタ １３ 切換弁（潤滑油通路切換手段） １４ 管 １７ 補助ポンプ １８〜２９ 配管 １００，２００ 潤滑油給油装置 REFERENCE SIGNS LIST 1 supercharger 2 supercharger lubrication tank 3 supercharger lubrication pump 9 pipe 10 engine lubrication tank 11 engine lubrication pump 12 filter 13 switching valve (lubricating oil passage switching means) 14 pipe 17 auxiliary pump 18 to 29 Piping 100, 200 Lubricating oil supply device
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｆ０１Ｍ 1/06 Ｆ０１Ｍ 1/06 Ｑ 1/16 1/16 Ｅ 9/10 9/10 Ｚ 11/00 11/00 Ｓ Ｆ０２Ｂ 39/14 Ｆ０２Ｂ 39/14 Ｈ Ｊ Ｆターム(参考） 3E083 AA01 AA15 AH08 3G005 FA31 FA57 GD07 GD08 3G013 BB14 BC25 BD09 BD46 BD47 CA01 CA16 EA14 3G015 BC01 BL07 BL08 CA07 CA15 DA02 EA09 EA15 FA01 FA04 FB08 FB09 FC11 FE01 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) F01M 1/06 F01M 1/06 Q 1/16 1/16 E 9/10 9/10 Z 11/00 11 / 00 S F02B 39/14 F02B 39/14 HJ F term (reference) 3E083 AA01 AA15 AH08 3G005 FA31 FA57 GD07 GD08 3G013 BB14 BC25 BD09 BD46 BD47 CA01 CA16 EA14 3G015 BC01 BL07 BL08 CA07 CA15 DA02 EA09 FB08 FE01
Claims (2)
各部へ供給する機関注油用ポンプを備え、過給機注油用
タンク内の潤滑油を過給機へ供給する過給機注油用ポン
プを備え、内燃機関の停止直後，停止中及び始動直前の
うち少なくとも一つに潤滑油を内燃機関各部及び過給機
へ供給する補助ポンプを備えたことを特徴とする内燃機
関の潤滑油給油装置。An engine lubrication pump for supplying lubricating oil in an engine lubrication tank to various parts of an internal combustion engine, and a supercharger lubrication pump for supplying lubricating oil in a supercharger lubrication tank to a supercharger. And an auxiliary pump for supplying lubricating oil to each part of the internal combustion engine and a supercharger at least immediately after the stop, during the stop, and immediately before the start of the internal combustion engine. .
から過給機に供給された潤滑油を過給機注油用タンクへ
戻し、前記内燃機関の停止直後，停止中及び始動直前の
うちの少なくとも一つにおいて、機関注油用タンク内の
潤滑油が過給機へ供給される場合には、過給機を潤滑し
た後の潤滑油を機関注油用タンクへ戻す潤滑油通路切換
手段を備えた請求項１に記載の内燃機関の潤滑油給油装
置。2. A method according to claim 1, wherein the lubricating oil supplied from the supercharger lubrication tank to the supercharger during operation of the internal combustion engine is returned to the supercharger lubrication tank. In at least one of them, when the lubricating oil in the engine lubrication tank is supplied to the supercharger, lubricating oil passage switching means for returning the lubricating oil after lubricating the supercharger to the engine lubrication tank is provided. The lubricating oil supply device for an internal combustion engine according to claim 1, further comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000053544A JP2001241313A (en) | 2000-02-29 | 2000-02-29 | Lubricating oil supplying device of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000053544A JP2001241313A (en) | 2000-02-29 | 2000-02-29 | Lubricating oil supplying device of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001241313A true JP2001241313A (en) | 2001-09-07 |
Family
ID=18574912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000053544A Pending JP2001241313A (en) | 2000-02-29 | 2000-02-29 | Lubricating oil supplying device of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001241313A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1362994A2 (en) * | 2002-05-15 | 2003-11-19 | Dana Automotive Limited | Engine lubrication system having an auxiliary pump |
| WO2004076825A1 (en) * | 2003-02-28 | 2004-09-10 | Aisin Seiki Kabushiki Kaisha | Oil-feeding device for engine |
| JP2004323834A (en) * | 2003-04-10 | 2004-11-18 | Gunze Ltd | Method for manufacturing seamless tubular polyimide film |
| JP2005247988A (en) * | 2004-03-03 | 2005-09-15 | Gunze Ltd | Semiconducting high-concentration polyimide precursor composition and semiconducting polyimide tubular product using the same |
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| JP2009287513A (en) * | 2008-05-30 | 2009-12-10 | Mitsubishi Heavy Ind Ltd | Supercharger |
| US8097693B2 (en) | 2004-03-03 | 2012-01-17 | Gunze Limited | Endless tubular polyimide film |
| CN103061847A (en) * | 2012-12-13 | 2013-04-24 | 中国北车集团大连机车车辆有限公司 | Supercharged diesel engine lubricating device |
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| CN103670580A (en) * | 2013-11-29 | 2014-03-26 | 南车玉柴四川发动机股份有限公司 | Engine oil system of high-power diesel engine |
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|---|---|---|---|---|
| JP2003336513A (en) * | 2002-05-15 | 2003-11-28 | Dana Automotive Ltd | Lubrication system for engine |
| EP1362994A3 (en) * | 2002-05-15 | 2004-01-28 | Dana Automotive Limited | Engine lubrication system having an auxiliary pump |
| US6941922B2 (en) | 2002-05-15 | 2005-09-13 | Dana Automotive Limited | Engine lubrication system |
| EP1362994A2 (en) * | 2002-05-15 | 2003-11-19 | Dana Automotive Limited | Engine lubrication system having an auxiliary pump |
| US7287507B2 (en) | 2003-02-28 | 2007-10-30 | Aisin Seiki Kabushiki Kaisha | Engine oil supply apparatus |
| WO2004076825A1 (en) * | 2003-02-28 | 2004-09-10 | Aisin Seiki Kabushiki Kaisha | Oil-feeding device for engine |
| JP2004323834A (en) * | 2003-04-10 | 2004-11-18 | Gunze Ltd | Method for manufacturing seamless tubular polyimide film |
| JP2005247988A (en) * | 2004-03-03 | 2005-09-15 | Gunze Ltd | Semiconducting high-concentration polyimide precursor composition and semiconducting polyimide tubular product using the same |
| JP2005247987A (en) * | 2004-03-03 | 2005-09-15 | Gunze Ltd | Semiconducting polyimide precursor composition and manufacturing method of semiconducting polyimide tubular product using the same |
| JP2005247986A (en) * | 2004-03-03 | 2005-09-15 | Gunze Ltd | Semiconducting aromatic amic acid composition and manufacturing method of semiconducting endless tubular polyimide film using the same |
| US8314204B2 (en) | 2004-03-03 | 2012-11-20 | Gunze Limited | Endless tubular polyimide film |
| US8097693B2 (en) | 2004-03-03 | 2012-01-17 | Gunze Limited | Endless tubular polyimide film |
| AT500388A3 (en) * | 2005-09-01 | 2006-08-15 | Avl List Gmbh | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE |
| AT500388B1 (en) * | 2005-09-01 | 2007-05-15 | Avl List Gmbh | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE |
| JP2009287513A (en) * | 2008-05-30 | 2009-12-10 | Mitsubishi Heavy Ind Ltd | Supercharger |
| CN103061847A (en) * | 2012-12-13 | 2013-04-24 | 中国北车集团大连机车车辆有限公司 | Supercharged diesel engine lubricating device |
| WO2014124656A1 (en) * | 2013-02-14 | 2014-08-21 | Mtu Friedrichshafen Gmbh | Internal combustion engine arrangement and method for supplying lubricant to an internal combustion engine |
| CN103410604A (en) * | 2013-08-19 | 2013-11-27 | 王一飞 | Initial lubricating device for automobile pressurizer |
| CN103670580A (en) * | 2013-11-29 | 2014-03-26 | 南车玉柴四川发动机股份有限公司 | Engine oil system of high-power diesel engine |
| WO2017081142A1 (en) * | 2015-11-13 | 2017-05-18 | Total Marketing Services | Drive system and associated motor vehicle |
| FR3043717A1 (en) * | 2015-11-13 | 2017-05-19 | Total Marketing Services | MOTORIZATION SYSTEM AND ASSOCIATED MOTOR VEHICLE |
| JP2018535349A (en) * | 2015-11-13 | 2018-11-29 | トタル マルケティン セルビスス | Drive system and related electric vehicle |
| US10513953B2 (en) | 2015-11-13 | 2019-12-24 | Total Marketing Services | Drive system and associated motor vehicle |
| JP2018204520A (en) * | 2017-06-02 | 2018-12-27 | ヤンマー株式会社 | Heat pump device |
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