Friction vacuum pump with bearing support
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United States of America Patent
Stats
-
Sep 2, 1997
Grant Date -
N/A
app pub date -
Oct 30, 1995
filing date -
May 3, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a friction vacuum pump (1) with a housing (2, 3), a rotor (8) and a rotor bearing (9) which is supported in the housing (2, 3) via a sleeve-like support (21). In order to obtain a precise support which nonetheless permits slight oscillations in the rotating system, it is proposed that the sleeve-like support (21) is in turn supported in the housing (2, 3) via several, preferably three, substantially axially extending rods (26).
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