JPS5884361U - Fuel evaporative emission suppression device - Google Patents

Fuel evaporative emission suppression device

Info

Publication number
JPS5884361U
JPS5884361U JP17967181U JP17967181U JPS5884361U JP S5884361 U JPS5884361 U JP S5884361U JP 17967181 U JP17967181 U JP 17967181U JP 17967181 U JP17967181 U JP 17967181U JP S5884361 U JPS5884361 U JP S5884361U
Authority
JP
Japan
Prior art keywords
throttle
suppression device
downstream
fuel
upstream
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
JP17967181U
Other languages
Japanese (ja)
Inventor
幸一 星
野上　進
幸雄 鈴木
Original Assignee
トヨタ自動車株式会社
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 by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP17967181U priority Critical patent/JPS5884361U/en
Publication of JPS5884361U publication Critical patent/JPS5884361U/en
Pending legal-status Critical Current

Links

Landscapes

  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

図は本考案に係る燃料蒸発ガス抑止装置の一実施例を示
す管路図である。 １・・・・・・スロットルボディ、２・・・・・・スロ
ットルバルブ、３・・・・・・第１の絞り、４・・・・
・・第１の負圧管路、５・・・・・・チャコールキャニ
スタ、６・・・・・・第２の絞り、７・・・・・・第２
の負圧管路、８・・・・・・逆止弁。The figure is a pipe diagram showing an embodiment of the fuel evaporative emission suppression device according to the present invention. 1... Throttle body, 2... Throttle valve, 3... First throttle, 4...
...First negative pressure pipeline, 5...Charcoal canister, 6...Second throttle, 7...Second
Negative pressure line, 8...Check valve.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　燃Ｍ供給装置のスロットルボディのスロット
ルバルブ全閉位置直上に設けられた下流側絞りと、チャ
コールキャニスタとを第１の負圧管路によって連結して
成る燃料蒸発ガス抑止装置において、前記下流側絞りよ
り上流側に設けられかつ該下流側絞りより大径に形成さ
れた上流側絞りと、第１の負圧管路とを連結する第２の
負圧管路の途中に、スロットルバルブが所定開度回動し
たときにのみ開く常時閉止の逆止弁を設けたことを特徴
とする燃料蒸発カス抑止装置。(1) In a fuel evaporative emission suppression device comprising a charcoal canister and a downstream throttle provided directly above a fully closed position of a throttle valve of a throttle body of a fuel M supply device, the downstream A throttle valve is provided in the middle of a second negative pressure pipeline that connects the first negative pressure pipeline and an upstream throttle that is provided upstream of the side throttle and has a larger diameter than the downstream throttle. A fuel evaporation scum suppression device characterized by being provided with a normally closed check valve that opens only when rotated. （２）前記上流側絞りと下流側絞りとを連続して形成す
ると共に、該絞りを上流側に向って漸次大径に成るよう
形成した実用新案登録請求の範囲第（１）項記載の燃料
蒸発ガス抑止装置。(2) The fuel according to claim 1, wherein the upstream throttle and the downstream throttle are formed continuously, and the diameter of the throttle is gradually increased toward the upstream side. Evaporative gas suppression device.
JP17967181U 1981-12-01 1981-12-01 Fuel evaporative emission suppression device Pending JPS5884361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17967181U JPS5884361U (en) 1981-12-01 1981-12-01 Fuel evaporative emission suppression device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17967181U JPS5884361U (en) 1981-12-01 1981-12-01 Fuel evaporative emission suppression device

Publications (1)

Publication Number Publication Date
JPS5884361U true JPS5884361U (en) 1983-06-08

Family

ID=29975574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17967181U Pending JPS5884361U (en) 1981-12-01 1981-12-01 Fuel evaporative emission suppression device

Country Status (1)

Country Link
JP (1) JPS5884361U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6170559U (en) * 1984-10-16 1986-05-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6170559U (en) * 1984-10-16 1986-05-14

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