Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1996-07-05
1998-12-01
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 554, 418 556, 418 85, 418101, F04C 1804, F04C 2902
Patent
active
058428429
ABSTRACT:
Spiral compressor which contains a housing (1) with the fixed spiral (2); a moving rotor (3) in this housing (1) with the moving spiral (4) working in conjunction with the fixed spiral (2); and a crankshaft (5) containing a main shaft (6) which is bearing-mounted in the housing (1) and which has a secondary shaft (9) situated eccentrically in relation to the geometric axis (11) of the main shaft (6) which is bearing-mounted in the rotor (3) by means of a bearing (14); whereby means (30-31-32) are provided to prevent the rotor (3) from rotating around its own center, such that the rotor (3) can only carry out a circular movement around the geometric axis (11) of the crankshaft (5) as this crankshaft (5) rotates, characterized in that the rotor (3) is provided with an oil chamber (20) which is connected to the bearing (14) between the secondary shaft (9) and the rotor (3).
REFERENCES:
patent: Re33473 (1990-12-01), Hazaki et al.
patent: 4337984 (1982-07-01), Shaffer
patent: 4795321 (1989-01-01), Etemad et al.
patent: 4818198 (1989-04-01), Tamura et al.
patent: 4898521 (1990-02-01), Sakurai et al.
patent: 4898522 (1990-02-01), Edelmayer
patent: 5466134 (1995-11-01), Shaffer et al.
Callens Michel Emile Odile
Van der Taelen Jozef Leopold
Atlas Copco Airpower, Naamloze vennootschap
Vrablik John J.
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