JPS6049208U - Internal combustion engine crankcase ventilation flow control valve - Google Patents
Internal combustion engine crankcase ventilation flow control valveInfo
- Publication number
- JPS6049208U JPS6049208U JP14209383U JP14209383U JPS6049208U JP S6049208 U JPS6049208 U JP S6049208U JP 14209383 U JP14209383 U JP 14209383U JP 14209383 U JP14209383 U JP 14209383U JP S6049208 U JPS6049208 U JP S6049208U
- Authority
- JP
- Japan
- Prior art keywords
- needle
- combustion engine
- internal combustion
- passage
- control valve
- 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
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Safety Valves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来例の断面図、第2図はその還元ガス流量特
性図、第3図Aは本考案の第1実施例の断面図、第3図
BはそのX方向矢視図、第4図Aは同じく本考案の第2
実施例の断面図、第4図BはそのY方向矢視図である。
1・・・クランクケースベンチレーション流量制御弁、
2・・・バルブケース、3・・・コイルスプリング、4
・・・ニードル、4a・・・ニードル頭部、5・・・ガ
ス通路、5a・・・大径ガス通路、5b・・・小径ガス
通路、7・・・ニードル着座面、8,10・・・低流量
制御孔、9・・・消音体。Fig. 1 is a sectional view of the conventional example, Fig. 2 is its reducing gas flow rate characteristic diagram, Fig. 3A is a sectional view of the first embodiment of the present invention, Fig. 3B is its X direction arrow view, and Fig. 3A is a sectional view of the first embodiment of the invention. Figure 4 A is also the second figure of this invention.
A sectional view of the embodiment, FIG. 4B is a view taken in the Y direction. 1...Crankcase ventilation flow control valve,
2... Valve case, 3... Coil spring, 4
...Needle, 4a...Needle head, 5...Gas passage, 5a...Large diameter gas passage, 5b...Small diameter gas passage, 7...Needle seating surface, 8, 10... -Low flow control hole, 9...silencer.
Claims (1)
バイガス還元通路の途中に介装されるクランクケースベ
ンチレーション流量制御弁において、バルブケース内の
通路に対し摺動自由なニードルを設け、吸気通路側の吸
引圧で引っばられるニードルを反対方向に付勢するコイ
ルスプリングを通路内に収装し、該スプリングの一端を
ニードル頭部に連結する一方、反対側のニードル先端部
に消音体を被覆し、この消音体を着座させるニードル着
座面を通路内周壁に形成するとともに、消音体が着座状
態にあるとき還元ガスを所定量だけ流す低流量制御孔を
設けたことを特徴とする内燃機関のクランクケースベン
チレーション流量制御弁。In the crankcase ventilation flow control valve, which is installed in the middle of the blow-by gas return passage that connects the crankcase and the intake passage of an internal combustion engine, a needle that can freely slide against the passage inside the valve case is provided, and a needle is installed on the intake passage side. A coil spring that biases the needle pulled by suction pressure in the opposite direction is housed in the passage, one end of the spring is connected to the needle head, while the tip of the needle on the opposite side is covered with a muffler, A crankcase for an internal combustion engine, characterized in that a needle seating surface on which the muffler is seated is formed on the inner peripheral wall of the passage, and a low flow rate control hole is provided to allow a predetermined amount of reducing gas to flow when the muffler is seated. Ventilation flow control valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14209383U JPS6049208U (en) | 1983-09-13 | 1983-09-13 | Internal combustion engine crankcase ventilation flow control valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14209383U JPS6049208U (en) | 1983-09-13 | 1983-09-13 | Internal combustion engine crankcase ventilation flow control valve |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6049208U true JPS6049208U (en) | 1985-04-06 |
Family
ID=30317604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14209383U Pending JPS6049208U (en) | 1983-09-13 | 1983-09-13 | Internal combustion engine crankcase ventilation flow control valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6049208U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100981984B1 (en) | 2008-09-19 | 2010-09-13 | 주식회사이원정공 | ??? valve |
-
1983
- 1983-09-13 JP JP14209383U patent/JPS6049208U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100981984B1 (en) | 2008-09-19 | 2010-09-13 | 주식회사이원정공 | ??? valve |
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