JPS6137781Y2 - - Google Patents

Info

Publication number

JPS6137781Y2

JPS6137781Y2 JP4441081U JP4441081U JPS6137781Y2 JP S6137781 Y2 JPS6137781 Y2 JP S6137781Y2 JP 4441081 U JP4441081 U JP 4441081U JP 4441081 U JP4441081 U JP 4441081U JP S6137781 Y2 JPS6137781 Y2 JP S6137781Y2

Authority

JP

Japan

Prior art keywords

noise

shell

tail

punching plate

exhaust

Prior art date

1981-03-31

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.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 238000004080 punching Methods 0.000 claims description 15
• 239000011358 absorbing material Substances 0.000 claims description 13
• 239000002184 metal Substances 0.000 claims description 6
• 230000005534 acoustic noise Effects 0.000 description 8
• 230000000694 effects Effects 0.000 description 5
• 230000030279 gene silencing Effects 0.000 description 3
• 238000001816 cooling Methods 0.000 description 2
• 238000009434 installation Methods 0.000 description 2
• 238000005259 measurement Methods 0.000 description 2
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
• 238000010521 absorption reaction Methods 0.000 description 1
• 230000033228 biological regulation Effects 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000006073 displacement reaction Methods 0.000 description 1
• 238000004880 explosion Methods 0.000 description 1
• 239000000446 fuel Substances 0.000 description 1
• 239000011491 glass wool Substances 0.000 description 1
• 239000011490 mineral wool Substances 0.000 description 1
• 230000035945 sensitivity Effects 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1