JPS6395047U - - Google Patents

Info

Publication number
JPS6395047U
JPS6395047U JP18924886U JP18924886U JPS6395047U JP S6395047 U JPS6395047 U JP S6395047U JP 18924886 U JP18924886 U JP 18924886U JP 18924886 U JP18924886 U JP 18924886U JP S6395047 U JPS6395047 U JP S6395047U
Authority
JP
Japan
Prior art keywords
ventilation cylinder
ventilation
angle
downwardly inclined
virtual plane
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
JP18924886U
Other languages
English (en)
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 JP18924886U priority Critical patent/JPS6395047U/ja
Publication of JPS6395047U publication Critical patent/JPS6395047U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Casings For Electric Apparatus (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Duct Arrangements (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例でAは通気筒の斜視図
、Bは通気筒の断面図、Cは底面図、Dは取付状
態の部分断面図、第2図A,B,Cは本考案の別
の実施例の通気筒の断面図、第3図は従来例でA
は断面図、Bは底面図を示す。 1はモータケース、2,3,4,5は通気筒、
2b,2cは遮蔽板、2e,3e,4e,5eは
下向きの傾斜面を示す。

Claims (1)

  1. 【実用新案登録請求の範囲】 防水構造ケースの下端部に設け、通気孔内に2
    枚の遮蔽板を有する通気筒において、 該通気筒内の該遮蔽板より上部、且つ該2枚の
    遮蔽板夫々の端面に接する仮想平面と交わる位置
    に下向きの傾斜面を設け、 該下向きの傾斜面が該通気筒の中心軸となす角
    度を、該仮想平面が該下向きの傾斜面の法線とな
    す角度より大きくしたことを特徴とする通気筒構
    造。
JP18924886U 1986-12-09 1986-12-09 Pending JPS6395047U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18924886U JPS6395047U (ja) 1986-12-09 1986-12-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18924886U JPS6395047U (ja) 1986-12-09 1986-12-09

Publications (1)

Publication Number Publication Date
JPS6395047U true JPS6395047U (ja) 1988-06-18

Family

ID=31141366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18924886U Pending JPS6395047U (ja) 1986-12-09 1986-12-09

Country Status (1)

Country Link
JP (1) JPS6395047U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009021312A (ja) * 2007-07-11 2009-01-29 Nec Mobiling Ltd 筐体用気圧調整器およびこれを有する筐体
JP2020030109A (ja) * 2018-08-22 2020-02-27 株式会社ミツトヨ マイクロメータ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009021312A (ja) * 2007-07-11 2009-01-29 Nec Mobiling Ltd 筐体用気圧調整器およびこれを有する筐体
JP2020030109A (ja) * 2018-08-22 2020-02-27 株式会社ミツトヨ マイクロメータ

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