Ejector with gas propulsion
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United States of America Patent
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N/A
Issued Date -
Jun 3, 2004
app pub date -
Oct 29, 2003
filing date -
Oct 29, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Ejector with driver gas comprising at least one primary nozzle branch (12) with a driver nozzle (36) having a cross-sectional narrowing and an adjacent receiving nozzle (32), wherein a suction line (24) terminates in the narrowing, characterized by at least one connectable secondary nozzle branch (14) having a driver nozzle (38) with a cross-sectional narrowing and an adjacent receiving nozzle (34), wherein the narrowing of the secondary nozzle branch (14) is connected to a suction line (24) when the secondary nozzle branch (14) is opened, and with a closing instrument (20) connected upstream, with respect to the flow direction of the gas propellant, of the at least one secondary nozzle branch (14) to connect and disconnect the secondary nozzle branch (14) in dependence on the inlet pressure of the driver gas entering the ejector (20).
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