JPS60134811U - Exhaust system heat retention device - Google Patents

Exhaust system heat retention device

Info

Publication number
JPS60134811U
JPS60134811U JP2239484U JP2239484U JPS60134811U JP S60134811 U JPS60134811 U JP S60134811U JP 2239484 U JP2239484 U JP 2239484U JP 2239484 U JP2239484 U JP 2239484U JP S60134811 U JPS60134811 U JP S60134811U
Authority
JP
Japan
Prior art keywords
exhaust system
retention device
heat retention
opening
system heat
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
JP2239484U
Other languages
Japanese (ja)
Inventor
和彦 兼利
小澤　益夫
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP2239484U priority Critical patent/JPS60134811U/en
Publication of JPS60134811U publication Critical patent/JPS60134811U/en
Pending legal-status Critical Current

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Landscapes

  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (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

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

第１図は従来の保温装置を示す断面図、第２図は本考案
に係る保温装置の一実施例を示す概略断面図、第３図は
同じく概略平面図である。 １２・・・排気マニホルド、１３・・・保温パイプ、１
３Ａ・・・保温パイプの前端開口、１５・・・開閉弁、
１６．１８，１９，２０．２１・・・弁作動手段。FIG. 1 is a cross-sectional view showing a conventional heat-retaining device, FIG. 2 is a schematic cross-sectional view showing an embodiment of the heat-retaining device according to the present invention, and FIG. 3 is a schematic plan view. 12...Exhaust manifold, 13...Heat insulation pipe, 1
3A... Front end opening of heat insulation pipe, 15... Opening/closing valve,
16.18, 19, 20.21... Valve actuation means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 排気ガスが通流する排気系を覆うよう配設されて、その
一端開口より車両走行時外気を導入可能な保温パイプと
、上記一端開口を開閉可能な開閉弁と、上記排気マニホ
ルド内の排気ガスが所定温度以上のとき開閉弁を開弁さ
せる弁作動手段と、を備えたことを特徴とする排気系の
保温装置。A heat insulating pipe that is arranged to cover an exhaust system through which exhaust gas flows and that allows outside air to be introduced through an opening at one end of the pipe when the vehicle is running; an on-off valve that can open and close the opening at one end; and an exhaust gas in the exhaust manifold. 1. A heat retention device for an exhaust system, comprising: valve operating means for opening an on-off valve when the temperature of the exhaust system is higher than a predetermined temperature.
JP2239484U 1984-02-17 1984-02-17 Exhaust system heat retention device Pending JPS60134811U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2239484U JPS60134811U (en) 1984-02-17 1984-02-17 Exhaust system heat retention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2239484U JPS60134811U (en) 1984-02-17 1984-02-17 Exhaust system heat retention device

Publications (1)

Publication Number Publication Date
JPS60134811U true JPS60134811U (en) 1985-09-07

Family

ID=30514648

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2239484U Pending JPS60134811U (en) 1984-02-17 1984-02-17 Exhaust system heat retention device

Country Status (1)

Country Link
JP (1) JPS60134811U (en)

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