JPH0339637Y2 - - Google Patents

Info

Publication number

JPH0339637Y2

JPH0339637Y2 JP14383787U JP14383787U JPH0339637Y2 JP H0339637 Y2 JPH0339637 Y2 JP H0339637Y2 JP 14383787 U JP14383787 U JP 14383787U JP 14383787 U JP14383787 U JP 14383787U JP H0339637 Y2 JPH0339637 Y2 JP H0339637Y2

Authority

JP

Japan

Prior art keywords

rotating

rotating shaft

shaft

fixed

piezoelectric material

Prior art date

1987-09-22

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
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• 239000000463 material Substances 0.000 claims description 20
• 239000003566 sealing material Substances 0.000 claims description 14
• 239000007788 liquid Substances 0.000 claims description 11
• 238000007789 sealing Methods 0.000 claims description 10
• 229920003051 synthetic elastomer Polymers 0.000 claims description 6
• 239000005061 synthetic rubber Substances 0.000 claims description 6
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
• 230000000694 effects Effects 0.000 description 4
• 229910052742 iron Inorganic materials 0.000 description 3
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 230000002265 prevention Effects 0.000 description 1
• ZVUUCUFDAHKLKT-UHFFFAOYSA-M sodium;2,4,6-trinitrophenolate Chemical compound [Na+].[O-]C1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O ZVUUCUFDAHKLKT-UHFFFAOYSA-M 0.000 description 1