Rotary helical screw-type compressor having a thermally separated oil supply container
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United States of America Patent
Stats
-
Jul 9, 2002
Grant Date -
Apr 25, 2002
app pub date -
Sep 10, 2001
filing date -
Mar 10, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A screw compressor has a gear housing (1) from one side of which the rotor housing (3) containing the two screw rotors freely projecting outward. An oil supply container (7) is also located freely projecting out from the gear housing (1) approximately parallel to the rotor housing (3) and thermally separated from the rotor housing by means of an air gap. A ventilation channel (109) in the rotor housing (3) to vent the rotor shaft seals opens up to one point in the rotor housing that is protected against direct access by the oil supply container (7) mounted in front of it as well as by additional shoulders (111).
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