Multi-stage friction vacuum pump
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United States of America Patent
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N/A
Issued Date -
Apr 12, 2007
app pub date -
Oct 28, 2004
filing date -
Nov 13, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A multi-stage vacuum pump includes at least one turbo-compressor stage (11) and is equipped with a circular compressor stage (33) on the pressure side of the turbo-compressor stage. The pump has small axial dimensions, enabling the compression to be increased without significantly increasing the space requirement.
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Family
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Cited Art Landscape
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