Scroll compressor with improved tip seal

Details Scroll compressor with improved tip seal Scroll compressor with improved tip seal

1998-11-27

2000-06-13

Denion, Thomas

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 552, 418142, F01C 102

Patent

active

060741856

ABSTRACT:
A scroll wall tip seal of novel shape allows the scroll wall to be machined with a single, larger concave transition corner radius, where the flank of the scroll wall blends into the scroll base plate. The tip seal covers the entire surface area of the terminal edge of the scroll wall, and has convex radiused sides that match the single radius of the scroll wall's concave transition corner. This allows the scroll wall to be machined with a single tool, all the way round, in a single pass.

REFERENCES:
patent: 4199308 (1980-04-01), McCullough
patent: 4453899 (1984-06-01), Hiraga et al.
patent: 4462771 (1984-07-01), Teegarden
patent: 4666380 (1987-05-01), Hirano et al.
patent: 4696084 (1987-09-01), Hirano et al.
patent: 4722676 (1988-02-01), Sugimoto
patent: 4869658 (1989-09-01), Tsutsumi et al.
patent: 5364247 (1994-11-01), Fukanuma et al.
patent: 5584677 (1996-12-01), Ishikawa et al.

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