Leak detector
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United States of America Patent
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-
Sep 4, 2001
Grant Date -
N/A
app pub date -
Dec 6, 1995
filing date -
Dec 7, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A leak detector including at least one analysis unit connected to the inlet of a first secondary pump, a pre-evacuation set connected to an inlet coupling, the inlet of said pre-evacuation set further being connected to the outlet of said first secondary pump via a pipe provided with a first valve, wherein said pre-evacuation set comprises a second secondary pump and a mechanical primary pump connected together in series, and wherein a pipe provided with a second valve connects an intermediate point of said first secondary pump to the inlet of said second secondary pump.
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