Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone
Reexamination Certificate
2006-08-23
2010-11-09
Denion, Thomas E (Department: 3748)
Rotary expansible chamber devices
Interengaging rotating members
Helical or herringbone
C384S517000, C384S518000
Reexamination Certificate
active
07828536
ABSTRACT:
Low-pressure screw compressor provided with a rotor housing (2) with an inlet side and an outlet side, and enclosing two rotor bodies (3and4) including shafts (5, 7respectively) and screws (6, 8respectively) mounted on the shafts. The rotor shafts (5or7) are bearing-mounted in the rotor housing (2), with the bearing mountings on the inlet side of the rotor housing each using a single loose bearing and the bearing mountings on the outlet side of the rotor housing each using a single fixed cylindrical roller bearing. Spring devices acting on the bearing mountings at the inlet side urge the shafts and rotors toward the outlet side to maintain minimum clearance between the rotors and the housing at the outlet side of the rotors.
REFERENCES:
patent: 3307777 (1967-03-01), Schibbye
patent: 3388854 (1968-06-01), Olofsson et al.
patent: 3414189 (1968-12-01), Persson
patent: 3535057 (1970-10-01), Kodra
patent: 4119392 (1978-10-01), Breckheimer
patent: 4439121 (1984-03-01), Shaw
patent: 4730995 (1988-03-01), Dewhirst
patent: 5281115 (1994-01-01), Timuska
patent: 6354823 (2002-03-01), Becher et al.
patent: 6994531 (2006-02-01), Dairokuno et al.
patent: 2004/0086409 (2004-05-01), Tsuboi
patent: 2005/0058381 (2005-03-01), Kiyo
patent: 2005/0152628 (2005-07-01), Egami et al.
patent: 2007/0196228 (2007-08-01), Tunna et al.
patent: 156 842 (1932-08-01), None
patent: 495 509 (1970-08-01), None
patent: 60 003493 (1985-01-01), None
patent: 05133360 (1993-05-01), None
patent: 08 121353 (1996-05-01), None
patent: WO 2005/033519 (2005-04-01), None
Atlas Copco Airpower Naamloze Vennootschap
Bacon & Thomas PLLC
Davis Mary A
Denion Thomas E
LandOfFree
Low-pressure screw compressor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Low-pressure screw compressor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low-pressure screw compressor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4157614