JPS6212071U - - Google Patents

Info

Publication number

JPS6212071U

JPS6212071U JP10164385U JP10164385U JPS6212071U JP S6212071 U JPS6212071 U JP S6212071U JP 10164385 U JP10164385 U JP 10164385U JP 10164385 U JP10164385 U JP 10164385U JP S6212071 U JPS6212071 U JP S6212071U

Authority

JP

Japan

Prior art keywords

ventilation

butterfly valve

valve

ventilation butterfly

shape memory

Prior art date

1985-07-05

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

Links

• Espacenet
• Global Dossier
• Discuss

• 238000009423 ventilation Methods 0.000 claims description 8
• 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
• 230000006870 function Effects 0.000 claims 1
• 239000000779 smoke Substances 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 5
• 230000002265 prevention Effects 0.000 description 2

Cited By (1)