JPH0382819U - - Google Patents
Info
- Publication number
- JPH0382819U JPH0382819U JP14309589U JP14309589U JPH0382819U JP H0382819 U JPH0382819 U JP H0382819U JP 14309589 U JP14309589 U JP 14309589U JP 14309589 U JP14309589 U JP 14309589U JP H0382819 U JPH0382819 U JP H0382819U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- relief port
- control valve
- lubricating oil
- flow path
- 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
- 239000003921 oil Substances 0.000 claims description 12
- 239000010687 lubricating oil Substances 0.000 claims description 8
- 230000010349 pulsation Effects 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims 1
- 238000005461 lubrication Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図は本考案の実施例の全体構造を示す一部
断面図、第２図は本考案の要部の実施例を示す縦
断面図、第３図は同じく要部の他の実施例を示す
断面図、第４図は本考案実施例の作動を図式的に
示す線図、第５図は同じく一つの作動状態を示す
一部断面図、第６図は同じく他の作動状態を示す
一部断面図、第７図ないし第９図は本考案を導出
するための実験の状況を示す断面図、第１０図は
クランクケース内の圧力の脈動を示す線図、第１
１図は潤滑油によるフリクシヨンの増加を示す線
図、第１２図は従来技術の全体構造を示す断面図
である。
１…内燃機関（実験用）、２…オイルパン、３
…潤滑油、４…クランクシヤフト、７…クランク
ケース、１１…内燃機関（本考案）、１６…クラ
ンクシヤフト、１７…オイルパン、１８…クラン
クケース、２０…オイルポンプ、２１…吐出管、
２３…リリーフバルブ、２４…リリーフポート、
２５…流路制御弁、２６，２７…通路、２８…サ
ブタンク、２９…絞り通路、３１…脈動感知装置
、３２…シリンダ、３３…ピストン、３４，３５
…室、３７…リード弁（一方向弁）、４０…ロツ
ド、４４…リード弁（一方向弁）、４５…ダイヤ
フラム、１０１…エンジン本体（従来例）、１０
２…油受け、１０４…潤滑油ポンプ、１０５…吐
出管、１０６…調圧弁、１０７…戻し油管、１０
８…補助潤滑油槽、１０９…フロート、１１０…
液位検知スイツチ、１１１…油補給管、１１２…
電磁弁。
Fig. 1 is a partial sectional view showing the overall structure of an embodiment of the present invention, Fig. 2 is a longitudinal sectional view showing an embodiment of the main part of the invention, and Fig. 3 shows another embodiment of the main part of the invention. 4 is a diagram schematically showing the operation of the embodiment of the present invention, FIG. 5 is a partial sectional view showing one operating state, and FIG. 6 is a partial sectional view showing another operating state. 7 to 9 are cross-sectional views showing the experimental conditions for deriving the present invention. FIG. 10 is a diagram showing pressure pulsations in the crankcase.
FIG. 1 is a diagram showing the increase in friction due to lubricating oil, and FIG. 12 is a sectional view showing the overall structure of the prior art. 1... Internal combustion engine (for experiment), 2... Oil pan, 3
...Lubricating oil, 4...Crankshaft, 7...Crankcase, 11...Internal combustion engine (this invention), 16...Crankshaft, 17...Oil pan, 18...Crankcase, 20...Oil pump, 21...Discharge pipe,
23...Relief valve, 24...Relief port,
25... Flow path control valve, 26, 27... Passage, 28... Sub-tank, 29... Throttle passage, 31... Pulsation sensing device, 32... Cylinder, 33... Piston, 34, 35
... Chamber, 37... Reed valve (one-way valve), 40... Rod, 44... Reed valve (one-way valve), 45... Diaphragm, 101... Engine body (conventional example), 10
2... Oil receiver, 104... Lubricating oil pump, 105... Discharge pipe, 106... Pressure regulating valve, 107... Return oil pipe, 10
8...Auxiliary lubricating oil tank, 109...Float, 110...
Liquid level detection switch, 111...Oil supply pipe, 112...
solenoid valve.
Claims (1)
とする個所へ供給するオイルポンプと、前記オイ
ルポンプの吐出側の圧力が所定値を越えたときに
過剰な潤滑油をリリーフポートへ流出させるリリ
ーフバルブと、前記リリーフポートに設けられた
流路制御弁と、前記流路制御弁によつて切換えら
れて前記リリーフポートに接続され前記オイルパ
ンへ戻るリリーフポートの潤滑油を一時貯溜し得
るサブタンクと、前記流路制御弁によつて切換え
られて前記リリーフポートの潤滑油を直接前記オ
イルパンに流出させ得る通路と、前記オイルパン
上のクランクケースの内圧の脈動を監視する脈動
感知装置と、前記脈動感知装置の出力を前記流路
制御弁に伝達する手段とを有することを特徴とす
る内燃機関の潤滑装置。 An oil pump that pressurizes lubricating oil in an oil pan and supplies it to areas that require lubrication, and a relief that drains excess lubricating oil to a relief port when the pressure on the discharge side of the oil pump exceeds a predetermined value. a valve, a flow path control valve provided at the relief port, and a sub-tank capable of temporarily storing lubricating oil of the relief port that is switched by the flow path control valve and connected to the relief port and returns to the oil pan. , a passage that can be switched by the passage control valve to cause lubricating oil in the relief port to directly flow out into the oil pan; a pulsation sensing device that monitors pulsations in the internal pressure of the crankcase above the oil pan; A lubricating device for an internal combustion engine, comprising means for transmitting the output of the pulsation sensing device to the flow path control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14309589U JPH089366Y2 (en) | 1989-12-13 | 1989-12-13 | Lubricating device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14309589U JPH089366Y2 (en) | 1989-12-13 | 1989-12-13 | Lubricating device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0382819U true JPH0382819U (en) | 1991-08-23 |
| JPH089366Y2 JPH089366Y2 (en) | 1996-03-21 |
Family
ID=31689895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14309589U Expired - Lifetime JPH089366Y2 (en) | 1989-12-13 | 1989-12-13 | Lubricating device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089366Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005069079A (en) * | 2003-08-22 | 2005-03-17 | Toyota Motor Corp | Oil circulation system of internal combustion engine |
-
1989
- 1989-12-13 JP JP14309589U patent/JPH089366Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005069079A (en) * | 2003-08-22 | 2005-03-17 | Toyota Motor Corp | Oil circulation system of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH089366Y2 (en) | 1996-03-21 |
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