JP2532267Y2 - Oil pump flow control device - Google Patents
Oil pump flow control deviceInfo
- Publication number
- JP2532267Y2 JP2532267Y2 JP628391U JP628391U JP2532267Y2 JP 2532267 Y2 JP2532267 Y2 JP 2532267Y2 JP 628391 U JP628391 U JP 628391U JP 628391 U JP628391 U JP 628391U JP 2532267 Y2 JP2532267 Y2 JP 2532267Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil pump
- oil
- air
- control device
- flow control
- 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.)
- Expired - Lifetime
Links
Landscapes
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、オイルポンプの流量調
整装置に関し、詳しくは、車両用エンジン等の潤滑油供
給系に設けられ、ポンプからの吐出流量の調整が可能な
オイルポンプの流量調整装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flow control device for an oil pump, and more particularly to a flow control device for an oil pump provided in a lubricating oil supply system of a vehicle engine or the like and capable of adjusting a discharge flow rate from the pump. Related to the device.
【０００２】[0002]
【従来の技術】従来のオイルポンプの流量調整装置とし
ては、例えば、実開昭６３−６９７９１号公報に開示さ
れているものがある。このものは、インナロータとアウ
タロータとが互いに内接噛合する形態の内接型オイルポ
ンプに関するもので、その吐出流路と吸入流路との間に
所定の流量を越えた余剰の流量を逃し通路を介して逃す
ように構成されている。2. Description of the Related Art A conventional flow control device for an oil pump is disclosed, for example, in Japanese Utility Model Laid-Open No. 63-67991. This relates to an inscribed oil pump in which an inner rotor and an outer rotor are inscribedly engaged with each other, and a surplus flow passage for discharging an excess flow exceeding a predetermined flow between a discharge flow passage and a suction flow passage. Is configured to miss through.
【０００３】[0003]
【考案が解決しようとする課題】しかしながら、このよ
うな従来のオイルポンプの流量調整装置では、オイルポ
ンプから吐出された潤滑油（以下でオイルという）を逃
し通路を介して吸入側に戻すように構成されているた
め、戻す分だけ無用にオイルポンプを駆動して馬力を消
費することになり、経済的に好ましくない。However, in such a conventional oil pump flow control device, the lubricating oil (hereinafter referred to as "oil") discharged from the oil pump is returned to the suction side via a relief passage. Since the oil pump is configured, the oil pump is driven uselessly by the amount returned, and the horsepower is consumed, which is not economically preferable.
【０００４】本考案の目的は、上記問題の解決を図るべ
く、吐出側から吸入側にオイルをリリーフさせる必要が
なく、合理的にポンプを駆動させつつ流量の調整が可能
なオイルポンプの流量調整装置を提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problem without the need to relieve oil from a discharge side to a suction side, and to control the flow rate of an oil pump which can adjust the flow rate while driving the pump rationally. It is to provide a device.
【０００５】[0005]
【課題を解決するための手段】かかる目的を達成するた
めに、本考案は、吐出側の油圧によって作動され、該油
圧が所定値以上になると大気を吸入側に導く空気導入手
段を前記吐出側に関連して設けたことを特徴とするもの
である。In order to achieve the above-mentioned object, the present invention provides an air introducing means which is operated by a hydraulic pressure on a discharge side and guides the atmosphere to a suction side when the hydraulic pressure exceeds a predetermined value. It is characterized in that it is provided in connection with.
【０００６】[0006]
【作用】本考案によれば、オイルポンプからの吐出圧が
所定値以上になると空気導入手段により大気が吸入側に
導入されるので、空気の混入に従ってポンプから吐出さ
れる油量が低下され、オイルポンプに無用の負荷をかけ
ることなく吐出量を調整することができる。なお、吐出
された潤滑油に対しては、公知の気液分離手段等により
空気を除去し、空気の取除かれた潤滑油を潤滑系に送給
すればよい。According to the present invention, when the discharge pressure from the oil pump exceeds a predetermined value, the air is introduced into the suction side by the air introduction means, so that the amount of oil discharged from the pump is reduced according to the mixing of air. The discharge amount can be adjusted without applying unnecessary load to the oil pump. The discharged lubricating oil may be air-removed by known gas-liquid separation means or the like, and the lubricating oil from which the air has been removed may be supplied to the lubrication system.
【０００７】[0007]
【実施例】以下に、図面を参照しつつ本考案の実施例を
具体的に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
【０００８】図１は本考案の一実施例を示す。ここで、
１はエンジンのクランク軸等によって駆動されるオイル
ポンプ、２はオイルをオイルパン３からオイルポンプ１
に導く吸入管、４はオイルポンプ１から吐出されたオイ
ルを導く吐出管、５は吐出管４の下流側に設けられた気
液分離器である。また、６はオイルポンプからの吐出圧
によって作動される空気導入弁であり、そのシリンダ７
の一端は吐出管４に連通されていて、ピストン形状の弁
体８に吐出圧が作用する。８Ａは弁体８の周りに設けら
れたオイルシール、８Ｂは空気連通溝、７Ａはシリンダ
７への空気導入口、９は弁体支持ばね、１０は空気を吸
入管２に導くための空気供給路である。FIG. 1 shows an embodiment of the present invention. here,
Reference numeral 1 denotes an oil pump driven by a crankshaft of an engine or the like, and 2 denotes an oil pump from an oil pan 3 to an oil pump 1.
Is a discharge pipe for guiding the oil discharged from the oil pump 1, and 5 is a gas-liquid separator provided downstream of the discharge pipe 4. Reference numeral 6 denotes an air introduction valve which is operated by a discharge pressure from an oil pump.
Is connected to the discharge pipe 4 so that a discharge pressure acts on the piston-shaped valve element 8. 8A is an oil seal provided around the valve body 8, 8B is an air communication groove, 7A is an air introduction port to the cylinder 7, 9 is a valve body support spring, and 10 is an air supply for guiding air to the suction pipe 2. Road.
【０００９】気液分離器５はオイル中に混入されている
空気をオイルから分離可能なように構成されるもので、
例えば従来のオイルフィルタの改良型として中心部分に
旋回流を発生させるようにした筒状体を設け、遠心力に
よって気泡を中心に集中させてフィルタ外に排出させる
ようにしたもの（日経ＢＰ社「日経メカニカル編集」１
９８９．１１．２７参照）を用いることができる。The gas-liquid separator 5 is configured so that air mixed in the oil can be separated from the oil.
For example, an improved type of a conventional oil filter is provided with a cylindrical body that generates a swirling flow at the center portion, and the air bubbles are concentrated at the center by centrifugal force and discharged out of the filter (Nikkei BP, Inc. Nikkei Mechanical Editing 1
989.11.27) can be used.
【００１０】このように構成したオイルポンプの流量調
整装置においては、エンジンの回転増大に伴ってオイル
ポンプ１の回転数もまた上昇し、吐出量の増加と共に油
圧が上昇する。しかし、油圧が上昇すると、空気導入弁
６では弁体８がその油圧を受けてばね９のばね力に抗し
てシリンダ７中を後退し始める。そして、油圧が所定値
に達したところで、弁体８に設けられている連通溝８Ｂ
を介して空気導入口７Ａが空気供給路１０と連通し、吸
入管２中に空気が混入される。In the oil pump flow control device thus configured, the rotational speed of the oil pump 1 also increases as the engine speed increases, and the oil pressure increases as the discharge amount increases. However, when the oil pressure rises, the valve element 8 of the air introduction valve 6 receives the oil pressure and starts retreating in the cylinder 7 against the spring force of the spring 9. When the hydraulic pressure reaches a predetermined value, the communication groove 8B provided in the valve body 8
The air inlet 7 </ b> A communicates with the air supply passage 10 through the air inlet, and air is mixed into the suction pipe 2.
【００１１】よって、オイルポンプ１では空気の混入に
応じて負荷が軽くなると共に、それだけ量の少ないオイ
ルが吐出管４の側に吐出されることになり、わざわざ吐
出側のオイルを吸入側にリリーフする必要がなくなる。
なお、吐出されたオイルは気液分離器５に導かれ、ここ
で気泡が集められて、放出管１１により排出されると共
に、空気の取除かれたオイルをメインギャラリ等を介し
て各潤滑系に供給することができる。Therefore, in the oil pump 1, the load is reduced in accordance with the mixing of air, and a smaller amount of oil is discharged to the discharge pipe 4, so that the oil on the discharge side is bothersomely released to the suction side. You don't have to.
The discharged oil is guided to the gas-liquid separator 5, where air bubbles are collected and discharged by the discharge pipe 11, and the oil from which air has been removed is supplied to each lubrication system via a main gallery or the like. Can be supplied to
【００１２】なお、本考案の適用は、内接型オイルポン
プに限られるものではなく、流量および吐出圧の調整が
望まれる一般のエンジン駆動による各種オイルポンプに
広く適用されることはいうまでもない。The application of the present invention is not limited to the inscribed oil pump, but it is needless to say that the present invention is widely applied to various oil pumps driven by a general engine in which adjustment of the flow rate and the discharge pressure is desired. Absent.
【００１３】[0013]
【考案の効果】以上説明してきたように、本考案によれ
ば、吐出側の油圧によって作動され、油圧が所定値以上
になると大気を吸入側に導く空気導入手段を吐出側に関
連して設けたので、吐出圧が高められるような高速回転
領域でオイルポンプに導かれるオイル中に空気が混入さ
れたままオイルポンプが駆動されることによって、その
負荷がそれだけ軽くなると共に実質に吐出される油量を
少なく抑えることができて、リリーフの必要がなくな
り、エンジンの消費馬力の低減に貢献することができ
る。As described above, according to the present invention, an air introducing means which is operated by the hydraulic pressure on the discharge side and guides the atmosphere to the suction side when the hydraulic pressure exceeds a predetermined value is provided in relation to the discharge side. Therefore, by driving the oil pump while the air is mixed in the oil guided to the oil pump in the high-speed rotation region where the discharge pressure is increased, the load is reduced and the oil discharged substantially is reduced. The amount can be reduced, and the need for relief is eliminated, which can contribute to a reduction in horsepower consumption of the engine.
【図１】本考案の一実施例を示す構成図である。FIG. 1 is a configuration diagram showing an embodiment of the present invention.
１ オイルポンプ ２ 吸入管 ３ オイルパン ４ 吐出管 ５ 気液分離器 ６ 空気導入弁 ７ シリンダ ７Ａ 空気導入口 ８ 弁体 ８Ｂ 連通溝 ９ ばね １０ 空気供給路 REFERENCE SIGNS LIST 1 oil pump 2 suction pipe 3 oil pan 4 discharge pipe 5 gas-liquid separator 6 air introduction valve 7 cylinder 7A air introduction port 8 valve body 8B communication groove 9 spring 10 air supply path
Claims (1)
が所定値以上になると大気を吸入側に導く空気導入手段
を前記吐出側に関連して設けたことを特徴とするオイル
ポンプの流量調整装置。1. An oil pump according to claim 1, further comprising an air introduction means associated with said discharge side, said air introduction means being operated by a discharge side hydraulic pressure and guiding the atmosphere to a suction side when said hydraulic pressure becomes a predetermined value or more. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP628391U JP2532267Y2 (en) | 1991-02-15 | 1991-02-15 | Oil pump flow control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP628391U JP2532267Y2 (en) | 1991-02-15 | 1991-02-15 | Oil pump flow control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04104189U JPH04104189U (en) | 1992-09-08 |
| JP2532267Y2 true JP2532267Y2 (en) | 1997-04-09 |
Family
ID=31737428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP628391U Expired - Lifetime JP2532267Y2 (en) | 1991-02-15 | 1991-02-15 | Oil pump flow control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2532267Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5914414B2 (en) * | 2013-06-03 | 2016-05-11 | 本田技研工業株式会社 | Vehicle oil suction device |
-
1991
- 1991-02-15 JP JP628391U patent/JP2532267Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04104189U (en) | 1992-09-08 |
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