JPH0352998Y2 - - Google Patents

Info

Publication number

JPH0352998Y2

JPH0352998Y2 JP17971887U JP17971887U JPH0352998Y2 JP H0352998 Y2 JPH0352998 Y2 JP H0352998Y2 JP 17971887 U JP17971887 U JP 17971887U JP 17971887 U JP17971887 U JP 17971887U JP H0352998 Y2 JPH0352998 Y2 JP H0352998Y2

Authority

JP

Japan

Prior art keywords

filter

negative pressure

passage

pressure chamber

valve

Prior art date

1987-11-27

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

• 239000000428 dust Substances 0.000 claims description 17
• 238000001914 filtration Methods 0.000 claims description 6
• 239000000463 material Substances 0.000 claims description 2
• 230000007423 decrease Effects 0.000 description 4
• 238000002788 crimping Methods 0.000 description 2
• 230000005347 demagnetization Effects 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 230000005284 excitation Effects 0.000 description 2
• 230000007935 neutral effect Effects 0.000 description 2
• 230000002093 peripheral effect Effects 0.000 description 2
• 230000003111 delayed effect Effects 0.000 description 1
• 230000007774 longterm Effects 0.000 description 1
• 230000007257 malfunction Effects 0.000 description 1
• 230000001360 synchronised effect Effects 0.000 description 1