Filter and muffler for a vacuum pump
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United States of America Patent
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May 13, 2003
Grant Date -
N/A
app pub date -
Aug 27, 2001
filing date -
Feb 26, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
Ejector type vacuum pump, comprising a rotationally symmetric ejector body (4) arranged in a house to be contained in a vacuum chamber (3) that extends axially and opens through a wall of the house, a dust filter (15) running concentrically about the eject body comprising a tube shaped, porous filter body, a frame circumferentially enclosing the filter body so that the filter body and frame form a self containing unit that extends substantially about the whole length of the ejector body to be axially fixed by a muffler (11) that is received in the opening of the vacuum chamber.
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