Pump housing construction
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United States of America Patent
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app pub date -
May 20, 2005
filing date -
Jan 10, 2000
priority date (Note) -
Abandoned
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Abstract
A pump (16) has a clamshell housing (12, 14) with walls (34, 36, 46, 50, 52) that come together and seal to create chambers (22, 24) which contain a pressure difference relative to ambient pressure.
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