Screw machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 18, 2001
app pub date -
Dec 20, 2000
filing date -
Dec 20, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A screw machine (10) has a rotor housing (12) defining overlapping bores (13, 15). Female rotor (14) is located in bore (13) and male rotor (16) is located in bore (15). The end faces (24, 26) of the female and male rotors, respectively, have depressions (44, 46, 54, 56, 64) formed in their surface whereby the interface area with the facing surface (51) of the outlet casing (53) is reduced.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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