Scroll-type compressor with spirals of varying pitch

Details Scroll-type compressor with spirals of varying pitch Scroll-type compressor with spirals of varying pitch

1996-10-18

1998-11-17

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418150, F01C 104

Patent

active

058367527

ABSTRACT:
A fluid displacement apparatus is provided. The apparatus can be in the form of a scroll element for a scroll-type fluid compressor. The apparatus has first and second scrolls. The scrolls themselves, as well as the space between the scrolls may be defined by a spiral shape. The spiral shape may have either a constant pitch or a non-constant pitch.

REFERENCES:
patent: 801182 (1905-10-01), Creux
patent: 4477239 (1984-10-01), Yoshii et al.
patent: 4547137 (1985-10-01), Terauchi et al.
patent: 5151020 (1992-09-01), Mori et al.
patent: 5318424 (1994-06-01), Bush et al.
patent: 5425626 (1995-06-01), Tojo et al.
patent: 5554017 (1996-09-01), Kohsokabe et al.
Bush, et al., "Maximizing Scroll Compressor Displacement Using Generalized Wrap Geometry," Proceedings, 1994 International Compressor Engineering Conference at Purdue, Purdue University, 1994, pp. 205-210.

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