JPS543356A - Ventilator - Google Patents

Ventilator

Info

Publication number
JPS543356A
JPS543356A JP6675277A JP6675277A JPS543356A JP S543356 A JPS543356 A JP S543356A JP 6675277 A JP6675277 A JP 6675277A JP 6675277 A JP6675277 A JP 6675277A JP S543356 A JPS543356 A JP S543356A
Authority
JP
Japan
Prior art keywords
fan
commonly used
spare
ventilator
commonly
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
JP6675277A
Other languages
Japanese (ja)
Inventor
Seietsu Takamatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6675277A priority Critical patent/JPS543356A/en
Publication of JPS543356A publication Critical patent/JPS543356A/en
Pending legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)

Abstract

PURPOSE: To quickly change a commonly used fan and a spare fan over to each other and also detect the clogging of a filter, by equipping the commonly used fan fitted with a centrifugal switch and the spare fan which is commonly run as an electric generator.
COPYRIGHT: (C)1979,JPO&Japio
JP6675277A 1977-06-08 1977-06-08 Ventilator Pending JPS543356A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6675277A JPS543356A (en) 1977-06-08 1977-06-08 Ventilator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6675277A JPS543356A (en) 1977-06-08 1977-06-08 Ventilator

Publications (1)

Publication Number Publication Date
JPS543356A true JPS543356A (en) 1979-01-11

Family

ID=13324917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6675277A Pending JPS543356A (en) 1977-06-08 1977-06-08 Ventilator

Country Status (1)

Country Link
JP (1) JPS543356A (en)

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