JPH0510156A - Overrun preventer of positive crankcase ventilation type diesel engine - Google Patents
Overrun preventer of positive crankcase ventilation type diesel engineInfo
- Publication number
- JPH0510156A JPH0510156A JP18551491A JP18551491A JPH0510156A JP H0510156 A JPH0510156 A JP H0510156A JP 18551491 A JP18551491 A JP 18551491A JP 18551491 A JP18551491 A JP 18551491A JP H0510156 A JPH0510156 A JP H0510156A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- engine
- diesel engine
- overrun
- blow
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ブローバイガス還元装
置を付設した形式のディーゼルエンジンのオーバラン防
止装置に関し、ブローバイガス量の増大によりエンジン
がオーバランしようとした場合に、吸気を遮断してスム
ーズにエンジンを停止できるものを提供する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a diesel engine overrun prevention device equipped with a blow-by gas reduction device, and when the engine is about to overrun due to an increase in the amount of blow-by gas, the intake air is cut off and smoothed. Provide something that can stop the engine.
【０００２】[0002]
【従来の技術】一般に、燃焼室からクランク室に吹き出
したブローバイガスは、多量の炭化水素(ＨＣ)を含み大
気汚染の原因になるので、ブリーザ装置でオイルを分離
した後に、吸気路に導入して再び燃焼室で燃焼させるよ
うにしたものが多い。2. Description of the Related Art Generally, blow-by gas blown from a combustion chamber to a crank chamber contains a large amount of hydrocarbon (HC) and causes air pollution. Therefore, after separating oil by a breather device, it is introduced into an intake passage. Many of them are burned again in the combustion chamber.
【０００３】即ち、本発明はこのブローバイガス還元型
ディーゼルエンジンを発明の対象とし、その基本構造
は、図１又は図２に示すように、ディーゼルエンジンＥ
にブリーザ装置２を設け、ブリーザ装置２をブリーザ還
元路３でエンジンＥの吸気路１に接続したものである。That is, the present invention is directed to the blow-by gas reduction type diesel engine, and its basic structure is a diesel engine E as shown in FIG. 1 or 2.
The breather device 2 is provided in the air conditioner, and the breather device 2 is connected to the intake passage 1 of the engine E by the breather reduction passage 3.
【０００４】[0004]
【発明が解決しようとする課題】上記基本構造から成る
従来のディーゼルエンジンでは、例えば、ピストンリン
グの摩耗や破損により不測の事態になると、ブローバイ
ガス量が著しく増加し、例えば高負荷運転などの場合に
はいわば燃料過剰の状態になって、エンジンがオーバラ
ンする恐れが大きい。In the conventional diesel engine having the above-mentioned basic structure, for example, when an unexpected situation occurs due to wear or breakage of the piston ring, the blow-by gas amount remarkably increases, and in the case of high load operation, for example. So to speak, there is a high possibility that the engine will overrun due to excessive fuel.
【０００５】特に、過給機を付設したディーゼルエンジ
ンでは、燃料をカットしてもブローバイガス中の燃焼成
分が過給機によって微細化され、上記傾向をより助長し
てしまう。本発明は、ブローバイガス量が増加した場合
に、エンジンのオーバランを防止することを技術的課題
とする。In particular, in a diesel engine equipped with a supercharger, even if the fuel is cut, the combustion components in the blow-by gas are finely divided by the supercharger, and the above tendency is further promoted. An object of the present invention is to prevent engine overrun when the amount of blow-by gas increases.
【０００６】[0006]
【課題を解決するための手段】上記課題を達成するため
の手段を、実施例を示す図面により以下に説明する。即
ち、本発明１は、前記基本構造のブローバイガス還元型
ディーゼルエンジンにおいて、エンジンＥの回転軸１１
に回転数検出器１２を臨ませ、吸気路１に開閉弁４を設
け、回転数検出器１２を開閉弁４の弁駆動手段５に連動
して、回転数検出器１２の検出回転数Ｎが設定回転数Ｎ
0以上になると、弁駆動手段５の作動で開閉弁４を閉弁
させて吸気路１を遮断するように構成したことを特徴と
するブローバイガス還元型ディーゼルエンジンのオーバ
ラン防止装置である。Means for achieving the above object will be described below with reference to the drawings illustrating an embodiment. That is, the first aspect of the present invention is the rotary shaft 11 of the engine E in the blow-by gas reduction type diesel engine having the basic structure.
The rotation speed detector 12 is faced to the intake passage 1, the opening / closing valve 4 is provided, and the rotation speed detector 12 is interlocked with the valve driving means 5 of the opening / closing valve 4 so that the rotation speed N of the rotation speed detector 12 is detected. Set speed N
An overrun prevention device for a blow-by gas reduction diesel engine, characterized in that when it becomes 0 or more, the on-off valve 4 is closed by the operation of the valve drive means 5 to shut off the intake passage 1.
【０００７】本発明２は、前記基本構造のブローバイガ
ス還元型ディーゼルエンジンにおいて、エンジンＥのク
ランク室１４に圧力検出器１５を臨ませ、吸気路１に開
閉弁４を設け、圧力検出器１５を開閉弁４の弁駆動手段
５に連動して、圧力検出器１５の検出圧力Ｐが設定圧力
Ｐ0以上になると、弁駆動手段５の作動で開閉弁４が閉
弁して吸気路１を遮断するように構成したことを特徴と
するブローバイガス還元型ディーゼルエンジンのオーバ
ラン防止装置である。According to a second aspect of the present invention, in the blow-by gas reduction type diesel engine of the basic structure, the pressure detector 15 is faced to the crank chamber 14 of the engine E, the opening / closing valve 4 is provided in the intake passage 1, and the pressure detector 15 is provided. When the pressure P detected by the pressure detector 15 becomes equal to or higher than the set pressure P 0 in conjunction with the valve driving means 5 of the opening / closing valve 4, the opening / closing valve 4 is closed by the operation of the valve driving means 5 to shut off the intake passage 1. The blow-by gas reduction type diesel engine overrun prevention device is characterized by being configured as described above.
【０００８】[0008]
【作用】(1)本発明１では、ピストンリングの摩耗や破
損により、ブローバイガス量が著しく増加し、このブロ
ーバイガスが燃料替わりになってディーゼルエンジンＥ
がオーバランしようとすると、エンジンＥの回転軸１１
が過回転状態になり、回転数検出器１２の検出回転数Ｎ
が設定回転数Ｎ0以上になる。このため、弁駆動装置５
の作用で開閉弁４が閉弁して吸気路１を遮断するので、
即座にディーゼルエンジンＥは停止し、オーバランは防
止される。(1) In the present invention 1, the amount of blow-by gas is remarkably increased due to wear and damage of the piston ring, and this blow-by gas is used as a substitute for fuel and the diesel engine E
Tries to overrun, the rotating shaft 11 of the engine E
Becomes an over-rotation state, and the rotation speed N detected by the rotation speed detector 12
Exceeds the set speed N 0 . Therefore, the valve drive device 5
Since the on-off valve 4 closes by the action of and the intake passage 1 is shut off,
Immediately the diesel engine E is stopped and overrun is prevented.
【０００９】(2)本発明２では、ピストンリングの摩耗
や破損により、ブローバイガス量が著しく増加してエン
ジンＥがオーバランを引き起こしそうになると、ブロー
バイガスのクランク室１４への吹き出しでクランク室１
４の内圧が高くなるので、圧力検出器１５の検出圧力Ｐ
が設定圧力Ｐ0以上になる。このため、上記(1)のように
圧力検出器１５からの信号で開閉弁４が閉弁して吸気路
１を遮断する。(2) In the second aspect of the present invention, when the amount of blow-by gas is remarkably increased and the engine E is likely to overrun due to wear or damage of the piston ring, blow-by gas is blown into the crank chamber 14 to blow the crank chamber 1 into the crank chamber 1.
Since the internal pressure of 4 becomes high, the detected pressure P of the pressure detector 15
Exceeds the set pressure P 0 . Therefore, as described in (1) above, the on-off valve 4 is closed by the signal from the pressure detector 15 to shut off the intake passage 1.
【００１０】[0010]
【発明の効果】(1)本発明１では、ピストンリングの摩
耗や破損により、ブローバイガス量が著しく増加してエ
ンジンがオーバランしようとすると、このオーバランに
傾いた状態を回転数検出器で検出して開閉弁により吸気
路を遮断するので、即座にディーゼルエンジンは停止
し、オーバランを防止できる。EFFECTS OF THE INVENTION (1) In the present invention 1, when the amount of blow-by gas is remarkably increased due to wear or damage of the piston ring and the engine is about to overrun, the rotation speed detector detects a state inclined to this overrun. Since the on-off valve shuts off the intake passage, the diesel engine stops immediately and overrun can be prevented.
【００１１】(2)本発明２では、ピストンリングの摩耗
や破損により、ブローバイガス量が著しく増加すると、
このブローバイガス量の異常吹き出しを圧力検出器で検
出して開閉弁により吸気路を遮断する。即ち、上記(1)
のようなオーバラン自体ではなく、オーバランの原因と
なるブローバイガスの異常吹き出し、つまりオーバラン
の手前の現象を検出し、これにより即座にディーゼルエ
ンジンを停止するので、オーバランをよりスムーズに回
避できる。(2) In the present invention 2, when the amount of blow-by gas is remarkably increased due to wear or damage of the piston ring,
This abnormal blow-out of the blow-by gas amount is detected by the pressure detector, and the on-off valve shuts off the intake passage. That is, the above (1)
Instead of the overrun itself, abnormal blowout gas causing overrun, that is, a phenomenon before the overrun is detected, and the diesel engine is immediately stopped by this, so that the overrun can be avoided more smoothly.
【００１２】[0012]
【実施例】以下、本発明の実施例を図面に基づいて述べ
る。図１は実施例１を示す過給機付きブローバイガス還
元型縦型ディーゼルエンジンのオーバラン防止装置の概
略説明図であって、縦型頭上弁ディーゼルエンジンＥの
ロッカアームカバー７の上壁にブリーザ装置２を設け、
ブリーザ装置２の出口２ａをブリーザ還元パイプ３で吸
気路１に接続し、エンジンＥの燃焼室からクランク室に
吹き抜けたブローバイガスをブリーザ装置２でオイル分
離し、オイル分離処理後のガスを吸気路１に還元するよ
うに構成する。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic explanatory diagram of an overrun prevention device for a blow-by gas reduction type vertical diesel engine with a supercharger showing a first embodiment, in which a breather device 2 is provided on an upper wall of a rocker arm cover 7 of a vertical overhead valve diesel engine E. Is provided
The outlet 2a of the breather device 2 is connected to the intake passage 1 by the breather reduction pipe 3, the blow-by gas blown from the combustion chamber of the engine E into the crank chamber is separated into oil by the breather device 2, and the gas after the oil separation treatment is taken into the intake passage. It is configured to reduce to 1.
【００１３】上記縦型ディーゼルエンジンＥに過給機６
を付設し、エンジンＥの排気路８に過給機６のタービン
室１６を、また、吸気路１に過給機６のブロア室１３を各
々連通して、排気エネルギーでタービン１８を回転し、
ブロア１９で吸気を燃焼室に過給するように構成する。The vertical diesel engine E is provided with a supercharger 6
The turbine chamber 16 of the supercharger 6 is communicated with the exhaust passage 8 of the engine E, and the blower chamber 13 of the supercharger 6 is communicated with the intake passage 1, and the turbine 18 is rotated by the exhaust energy.
The blower 19 is configured to supercharge the intake air into the combustion chamber.
【００１４】上記吸気路１のうち、エアクリーナ１０か
ら過給機６までの上手側部位１ａ(即ち、給気路２２の上
流側)に開閉弁４を設け、開閉弁４をワイパモータ５で
開閉駆動可能に連動し、エンジンＥのクランク軸１１の
後部に取り付けたフライホイル１１ａに回転数検出器１
２を臨ませ、回転数検出器１２を制御装置１３を介して
ワイパモータ５に連動する。そして、回転数検出器１２
の検出回転数Ｎが設定回転数Ｎ0以上になると、ワイパ
モータ５の作動で開閉弁４を閉弁させて吸気路１を遮断
するように構成する。尚、前記ブローバイガス還元パイ
プ３は、吸気路１の上手側部位１ａに突入されるが、図
１の実線に示すように開閉弁４の下流側に接続しても良
いし、図１の仮想線に示すように開閉弁４の上流側に接
続しても差し支えない。An opening / closing valve 4 is provided in the upper side portion 1a of the intake passage 1 from the air cleaner 10 to the supercharger 6 (that is, the upstream side of the air supply passage 22), and the opening / closing valve 4 is opened / closed by a wiper motor 5. The flywheel 11a attached to the rear part of the crankshaft 11 of the engine E is connected to the rotation detector 1
2, the rotation speed detector 12 is interlocked with the wiper motor 5 via the control device 13. And the rotation speed detector 12
When the detected rotation speed N becomes equal to or higher than the set rotation speed N 0 , the opening / closing valve 4 is closed by the operation of the wiper motor 5 to shut off the intake passage 1. Although the blow-by gas returning pipe 3 is projected into the upper-hand side portion 1a of the intake passage 1, it may be connected to the downstream side of the on-off valve 4 as shown by the solid line in FIG. It may be connected to the upstream side of the on-off valve 4 as shown by the line.
【００１５】そこで、本実施例１のディーゼルエンジン
のオーバラン防止装置の機能を説明すると、ピストンリ
ングの破損などにより、ブローバイガス量が著しく増加
し、このブローバイガスが燃料替わりになってディーゼ
ルエンジンＥがオーバランしようとすると、エンジンＥ
のフライホイル１１ａが過回転状態になり、回転数検出
器１２の検出回転数Ｎが設定回転数Ｎ0以上になる。従
って、当該検出信号を受けた制御装置１３の指令でワイ
パモータ５が駆動し開閉弁４が閉弁して吸気路１を遮断
するので、即座にディーゼルエンジンＥは停止し、オー
バランは防止される。The function of the diesel engine overrun prevention device according to the first embodiment will now be described. Due to damage to the piston ring or the like, the amount of blow-by gas significantly increases, and this blow-by gas replaces the fuel. Engine E when trying to overrun
The flywheel 11a becomes over-rotated, and the detected rotation speed N of the rotation speed detector 12 becomes equal to or higher than the set rotation speed N 0 . Therefore, the wiper motor 5 is driven by the command of the control device 13 which has received the detection signal, the open / close valve 4 is closed and the intake passage 1 is shut off, so that the diesel engine E is immediately stopped and overrun is prevented.
【００１６】但し、図１の一点鎖線領域Ａ内の仮想線で
示すように、上記実施例１のオーバラン防止装置のうち
の、制御装置１３及び回転数検出器１２を省略し、エン
ジンＥのキースイッチ２０のエンジン停止位置２１を上
記オーバラン防止用のワイパモータ５に連動して、ディ
ーゼルエンジンＥがオーバランした場合に、実施例１の
オーバラン防止装置のように自動的にエンジンを停止す
る替わりに、作業者が手動でキースイッチ２０をエンジ
ン停止位置２１に切り替えて、エンジンＥを停止してオ
ーバランを防止するように構成することも考えられる。However, as indicated by the phantom line in the alternate long and short dash line area A in FIG. 1, the controller 13 and the rotation speed detector 12 of the overrun prevention device of the first embodiment are omitted, and the key of the engine E is omitted. When the diesel engine E overruns by linking the engine stop position 21 of the switch 20 to the overrun prevention wiper motor 5, instead of automatically stopping the engine as in the overrun prevention device of the first embodiment, work is performed. It is conceivable that a person manually switches the key switch 20 to the engine stop position 21 to stop the engine E and prevent overrun.
【００１７】図２は本発明の実施例２を示し、前記実施
例１を基本構造として、エンジンＥのクランク室１４に
圧力検出器１５を臨ませ、実施例１の回転数検出器１２
に替えて当該圧力検出器１５を制御装置１３を介して開
閉弁４のワイパモータ５に連動するとともに、圧力検出
器１５の検出圧力Ｐが設定圧力Ｐ0以上になると、ワイ
パモータ５の作動で開閉弁４が閉弁して吸気路１を遮断
するように構成する。FIG. 2 shows a second embodiment of the present invention. With the first embodiment as a basic structure, a pressure detector 15 is made to face a crank chamber 14 of an engine E, and a rotation speed detector 12 of the first embodiment is shown.
Instead of interlocking the pressure detector 15 with the wiper motor 5 of the on-off valve 4 via the control device 13, when the detected pressure P of the pressure detector 15 becomes equal to or higher than the set pressure P 0 , the on-off valve is operated by the operation of the wiper motor 5. 4 is closed to shut off the intake passage 1.
【００１８】即ち、前記実施例１は、ピストンリングの
破損などに伴うブローバイガス量の増大で、ディーゼル
エンジンＥがオーバランに傾いた場合に、エンジンＥの
回転軸１１の過回転状態でこのオーバランを検出して吸
気路１を開閉弁４で遮断するようにしたものである。こ
れに対して、本実施例２は、オーバランの原因になるブ
ローバイガス量の増大に伴うクランク室１４の内圧の上
昇を圧力検出器１５で検出し、ディーゼルエンジンＥを
オーバランの手前で即座に停止して、オーバランを予め
回避するようにしたものである。That is, in the first embodiment, when the diesel engine E leans toward the overrun due to the increase in the blow-by gas amount due to the damage of the piston ring, etc., this overrun is caused in the over-rotation state of the rotary shaft 11 of the engine E. The intake passage 1 is detected and shut off by the on-off valve 4. On the other hand, in the second embodiment, the pressure detector 15 detects an increase in the internal pressure of the crank chamber 14 due to the increase in the blow-by gas amount that causes overrun, and immediately stops the diesel engine E before the overrun. Then, the overrun is avoided in advance.
【００１９】尚、本発明はブローバイガス還元型ディー
ゼルエンジンを構成要件とするが、過給機６の有無は問
わない。また、吸気路１に設けた開閉弁４の開閉作動形
態としては、例えば、前記実施例１の場合、設定回転数
Ｎ0に回転数検出器１２の検出回転数Ｎが達した場合
に、吸気路１を全開から全閉に切り替えるようにしても
良いが、設定回転数Ｎ0に近付くほど吸気路１の通気断
面積が漸次的に減少するように構成しても差し支えな
い。Although the present invention has a blow-by gas reduction type diesel engine as a constituent element, the presence or absence of the supercharger 6 does not matter. Further, as an opening / closing operation mode of the opening / closing valve 4 provided in the intake passage 1, for example, in the case of the first embodiment, when the detected rotation speed N of the rotation speed detector 12 reaches the set rotation speed N 0 , The passage 1 may be switched from fully open to fully closed, but the ventilation cross-sectional area of the intake passage 1 may be gradually reduced as it approaches the set rotational speed N 0 .
【図１】実施例１を示す過給機付きブローバイガス還元
型縦型ディーゼルエンジンのオーバラン防止装置の概略
説明図である。FIG. 1 is a schematic explanatory diagram of an overrun prevention device for a blow-by gas reduction vertical diesel engine with a supercharger showing a first embodiment.
【図２】実施例２を示す図１の相当図である。FIG. 2 is a view corresponding to FIG. 1 showing a second embodiment.
Ｅ ブローバイガス還元型ディーゼルエンジン １ 吸気路 ２ ブリーザ装置 ３ ブローバイガス還元路 ４ 開閉弁 ５ ４の駆動装置 ６ 過給機 １１ Ｅの回転軸 １２ 回転数検出器 １４ クランク室 １５ 圧力検出器 Ｎ0 設定回転数 Ｎ １２の検出回転数 Ｐ0 設定圧力 Ｐ １５の検出圧力E Blow-by gas reduction diesel engine 1 Intake passage 2 Breather device 3 Blow-by gas reduction passage 4 Open / close valve 5 4 drive device 6 Supercharger 11 E rotating shaft 12 Rotation speed detector 14 Crank chamber 15 Pressure detector N 0 setting Rotation speed N 12 detected rotation speed P 0 Set pressure P 15 detected pressure
Claims (2)
(２)を設け、ブリーザ装置(２)をブリーザ還元路(３)で
エンジン(Ｅ)の吸気路(１)に接続したブローバイガス還
元型ディーゼルエンジンにおいて、 エンジンＥの回転軸(１１)に回転数検出器(１２)を臨ま
せ、吸気路(１)に開閉弁(４)を設け、回転数検出器(１
２)を開閉弁(４)の弁駆動手段(５)に連動して、回転数
検出器(１２)の検出回転数(Ｎ)が設定回転数(Ｎ0)以上
になると、弁駆動手段(５)の作動で開閉弁(４)を閉弁さ
せて吸気路(１)を遮断するように構成したことを特徴と
するブローバイガス還元型ディーゼルエンジンのオーバ
ラン防止装置。1. A breather device for a diesel engine (E)
In the blow-by gas reduction type diesel engine in which (2) is provided and the breather device (2) is connected to the intake passage (1) of the engine (E) through the breather reduction passage (3), the rotation shaft (11) of the engine E rotates. The number detector (12) is faced, the on-off valve (4) is provided in the intake passage (1), and the rotation number detector (1
2) is interlocked with the valve drive means (5) of the on-off valve (4), and when the detected rotation speed (N) of the rotation speed detector (12) exceeds the set rotation speed (N 0 ), the valve drive means ( An overrun prevention device for a blow-by gas reduction type diesel engine, which is configured to close the intake passage (1) by closing the on-off valve (4) by the operation of 5).
(２)を設け、ブリーザ装置(２)をブリーザ還元路(３)で
エンジン(Ｅ)の吸気路(１)に接続したブローバイガス還
元型ディーゼルエンジンにおいて、エンジン(Ｅ)のクラ
ンク室(１４)に圧力検出器(１５)を臨ませ、吸気路(１)
に開閉弁(４)を設け、圧力検出器(１５)を開閉弁(４)の
弁駆動手段(５)に連動して、圧力検出器(１５)の検出圧
力(Ｐ)が設定圧力(Ｐ0)以上になると、弁駆動手段(５)
の作動で開閉弁(４)が閉弁して吸気路(１)を遮断するよ
うに構成したことを特徴とするブローバイガス還元型デ
ィーゼルエンジンのオーバラン防止装置。2. A breather device for a diesel engine (E)
In the blow-by gas reduction diesel engine in which (2) is provided and the breather device (2) is connected to the intake passage (1) of the engine (E) through the breather reduction passage (3), the crank chamber (14) of the engine (E) Face the pressure detector (15) to the intake passage (1)
An on-off valve (4) is provided in the pressure detector (15), and the pressure detector (15) is linked to the valve driving means (5) of the on-off valve (4) so that the pressure detected by the pressure detector (15) (P) becomes 0 ) and above, valve drive means (5)
2. An overrun prevention device for a blow-by gas reduction type diesel engine, characterized in that the opening / closing valve (4) is closed by the operation of 1. to shut off the intake passage (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18551491A JPH0510156A (en) | 1991-06-28 | 1991-06-28 | Overrun preventer of positive crankcase ventilation type diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18551491A JPH0510156A (en) | 1991-06-28 | 1991-06-28 | Overrun preventer of positive crankcase ventilation type diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0510156A true JPH0510156A (en) | 1993-01-19 |
Family
ID=16172120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18551491A Pending JPH0510156A (en) | 1991-06-28 | 1991-06-28 | Overrun preventer of positive crankcase ventilation type diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0510156A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5137072U (en) * | 1974-09-09 | 1976-03-19 | ||
| JPS5630441A (en) * | 1979-08-22 | 1981-03-27 | Mitsubishi Rayon Co Ltd | Production of microporous membrane |
| JPS57157884A (en) * | 1981-03-23 | 1982-09-29 | Katsushiera Kiyasupaa | Self clip type sealed gasket assembly |
| JPS5841268A (en) * | 1981-09-05 | 1983-03-10 | Toshiba Corp | Method and device for inspecting equipment for pumped storage power plant |
| JPS59171973A (en) * | 1983-03-18 | 1984-09-28 | Minolta Camera Co Ltd | Developing method of electrostatic latent image |
-
1991
- 1991-06-28 JP JP18551491A patent/JPH0510156A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5137072U (en) * | 1974-09-09 | 1976-03-19 | ||
| JPS5630441A (en) * | 1979-08-22 | 1981-03-27 | Mitsubishi Rayon Co Ltd | Production of microporous membrane |
| JPS57157884A (en) * | 1981-03-23 | 1982-09-29 | Katsushiera Kiyasupaa | Self clip type sealed gasket assembly |
| JPS5841268A (en) * | 1981-09-05 | 1983-03-10 | Toshiba Corp | Method and device for inspecting equipment for pumped storage power plant |
| JPS59171973A (en) * | 1983-03-18 | 1984-09-28 | Minolta Camera Co Ltd | Developing method of electrostatic latent image |
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