JPS5396479A - Negative pressure switch - Google Patents

Negative pressure switch

Info

Publication number
JPS5396479A
JPS5396479A JP970477A JP970477A JPS5396479A JP S5396479 A JPS5396479 A JP S5396479A JP 970477 A JP970477 A JP 970477A JP 970477 A JP970477 A JP 970477A JP S5396479 A JPS5396479 A JP S5396479A
Authority
JP
Japan
Prior art keywords
negative pressure
pressure switch
switch
negative
pressure
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.)
Granted
Application number
JP970477A
Other languages
Japanese (ja)
Other versions
JPS55848B2 (en
Inventor
Shiyouzou Yanagisawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP970477A priority Critical patent/JPS5396479A/en
Publication of JPS5396479A publication Critical patent/JPS5396479A/en
Publication of JPS55848B2 publication Critical patent/JPS55848B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measuring Fluid Pressure (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
JP970477A 1977-02-02 1977-02-02 Negative pressure switch Granted JPS5396479A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP970477A JPS5396479A (en) 1977-02-02 1977-02-02 Negative pressure switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP970477A JPS5396479A (en) 1977-02-02 1977-02-02 Negative pressure switch

Publications (2)

Publication Number Publication Date
JPS5396479A true JPS5396479A (en) 1978-08-23
JPS55848B2 JPS55848B2 (en) 1980-01-10

Family

ID=11727614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP970477A Granted JPS5396479A (en) 1977-02-02 1977-02-02 Negative pressure switch

Country Status (1)

Country Link
JP (1) JPS5396479A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128541U (en) * 1983-02-17 1984-08-29 カルソニックカンセイ株式会社 pressure detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128541U (en) * 1983-02-17 1984-08-29 カルソニックカンセイ株式会社 pressure detection device

Also Published As

Publication number Publication date
JPS55848B2 (en) 1980-01-10

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