Molecular pump or, respectively, gas-tight sealing arrangement for a body placed in a housing and rapidly rotating about an axis
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United States of America Patent
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Jun 2, 1981
Grant Date -
N/A
app pub date -
Dec 15, 1977
filing date -
Feb 25, 1977
priority date (Note) -
Expired
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Abstract
Gastight seal for a rotary shaft or a cylindrical resp. cylindrical like body, the seal being of the type using a molecular gas, which seal has properties that automatically will stabilize the rotor, if whirl phenomena exited by gasforces have temporarily given rise to a precessional movement.
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