JPS62721U - - Google Patents

Info

Publication number
JPS62721U
JPS62721U JP9354885U JP9354885U JPS62721U JP S62721 U JPS62721 U JP S62721U JP 9354885 U JP9354885 U JP 9354885U JP 9354885 U JP9354885 U JP 9354885U JP S62721 U JPS62721 U JP S62721U
Authority
JP
Japan
Prior art keywords
passage
oil separator
blow
crankcase
blowby gas
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
Application number
JP9354885U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9354885U priority Critical patent/JPS62721U/ja
Publication of JPS62721U publication Critical patent/JPS62721U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Safety Valves (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例に係るブローバイガ
ス還流装置の要部断面図、第２図は本考案の他の
実施例を示す同じく要部断面図、第３図はさらに
他の実施例を示す要部断面図、第４図はその作動
状態を示す一部断面図、第５図は第２の弁手段の
他の例を示す断面図、第６図は従来装置を示すそ
の断面図である。 ７……ブローバイガス通路、８……オイルセパ
レータ、１２……ロツカケース（ロツカカバー）
、２０……弁手段（チエツク弁）。 Fig. 1 is a cross-sectional view of the essential parts of a blow-by gas recirculation device according to an embodiment of the present invention, Fig. 2 is a sectional view of the main parts showing another embodiment of the present invention, and Fig. 3 is a further embodiment of the present invention. FIG. 4 is a partial sectional view showing its operating state; FIG. 5 is a sectional view showing another example of the second valve means; FIG. 6 is a sectional view showing a conventional device. It is. 7...Blow-by gas passage, 8...Oil separator, 12...Rotsuka case (Rotsuka cover)
, 20...Valve means (check valve).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ロツカケース内とクランクケース内とを連通す
るオイルリターン通路と、クランクケース内のブ
ローバイガスをエアクリーナに戻すブローバイガ
ス通路と、ブローバイガス通路の途中に設けたオ
イルセパレータと、を備えたブローバイガス還流
装置において、上記ブローバイガス通路を、クラ
ンクケース内とロツカケース内とを連通する第１
通路と、第１通路とオイルセパレータとを連通す
る第２通路と、オイルセパレータとエアクリーナ
とを連通する第３通路と、で構成するとともに、
ブローバイガス通路内の圧力が所定値以上のとき
上記オイルセパレータで分離したオイルをロツカ
ケース内に戻す弁手段を設けたことを特徴とする
ブローバイガス還流装置。 In a blowby gas recirculation device comprising an oil return passage communicating between the inside of the rocker case and the inside of the crankcase, a blowby gas passage that returns blowby gas in the crankcase to the air cleaner, and an oil separator provided in the middle of the blowby gas passage. , a first connecting the blow-by gas passage between the inside of the crankcase and the inside of the rocker case.
A passage, a second passage communicating between the first passage and the oil separator, and a third passage communicating between the oil separator and the air cleaner,
A blow-by gas recirculation device comprising a valve means for returning the oil separated by the oil separator into the rocker case when the pressure in the blow-by gas passage is equal to or higher than a predetermined value.
JP9354885U 1985-06-19 1985-06-19 Pending JPS62721U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9354885U JPS62721U (en) 1985-06-19 1985-06-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9354885U JPS62721U (en) 1985-06-19 1985-06-19

Publications (1)

Publication Number Publication Date
JPS62721U true JPS62721U (en) 1987-01-06

Family

ID=30651329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9354885U Pending JPS62721U (en) 1985-06-19 1985-06-19

Country Status (1)

Country Link
JP (1) JPS62721U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6434399A (en) * 1987-07-31 1989-02-03 Sanyo Electric Co Dry cleaner
JPH01141317U (en) * 1988-03-22 1989-09-28
JP2003534484A (en) * 2000-05-24 2003-11-18 パーカー−ハニフイン・コーポレーシヨン Safety cutoff valve for crankcase emission control system
US8511291B2 (en) 2007-02-28 2013-08-20 Toyota Jidosha Kabushiki Kaisha Positive crankcase ventilation system, cylinder head used for positive crankcase ventilation system, internal combustion engine including positive crankcase ventilation system, and positive crankcase ventilation method
WO2014147115A1 (en) * 2013-03-20 2014-09-25 Thyssenkrupp Presta Teccenter Ag Oil-lubricated working machine
WO2020067006A1 (en) * 2018-09-27 2020-04-02 いすゞ自動車株式会社 Blow-by gas discharging device
CN112771253A (en) * 2018-09-27 2021-05-07 五十铃自动车株式会社 Blow-by gas discharge device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6434399A (en) * 1987-07-31 1989-02-03 Sanyo Electric Co Dry cleaner
JPH0362120B2 (en) * 1987-07-31 1991-09-24 Sanyo Electric Co
JPH01141317U (en) * 1988-03-22 1989-09-28
JP2003534484A (en) * 2000-05-24 2003-11-18 パーカー−ハニフイン・コーポレーシヨン Safety cutoff valve for crankcase emission control system
US8511291B2 (en) 2007-02-28 2013-08-20 Toyota Jidosha Kabushiki Kaisha Positive crankcase ventilation system, cylinder head used for positive crankcase ventilation system, internal combustion engine including positive crankcase ventilation system, and positive crankcase ventilation method
WO2014147115A1 (en) * 2013-03-20 2014-09-25 Thyssenkrupp Presta Teccenter Ag Oil-lubricated working machine
WO2020067006A1 (en) * 2018-09-27 2020-04-02 いすゞ自動車株式会社 Blow-by gas discharging device
CN112771253A (en) * 2018-09-27 2021-05-07 五十铃自动车株式会社 Blow-by gas discharge device
CN112771254A (en) * 2018-09-27 2021-05-07 五十铃自动车株式会社 Blow-by gas discharge device
US11396834B2 (en) 2018-09-27 2022-07-26 Isuzu Motors Limited Blow-by gas discharging device
CN112771254B (en) * 2018-09-27 2023-06-27 五十铃自动车株式会社 Blow-by gas discharge device
CN112771253B (en) * 2018-09-27 2023-08-11 五十铃自动车株式会社 Blow-by gas discharge device

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