Molecular pump
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United States of America Patent
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-
Sep 2, 2003
Grant Date -
N/A
app pub date -
Nov 15, 2001
filing date -
Oct 20, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a molecular pump for evacuating a gas from a chamber, comprising a substantially sealed box (1) having on one of its sides an intake orifice (2) to be connected to said chamber and, on the opposite side, an outlet orifice (3), to be preferably connected to a discharge pump, whereby elements (4) are mounted between those two orifices (2) and (3) at some distance from one another in substantially fixed sites inside said box (1) for the gas to pass through, said elements (4) being of such a nature as to impart to said gas molecules, coming from said chamber and coming into contact with said elements (4), a speed whereof the resultant is oriented towards the outlet orifice (3).
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