Scroll-type fluid machine

Details Scroll-type fluid machine Scroll-type fluid machine

2007-02-06

2007-02-06

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

C418S055100, C418S055300, C464S102000

Reexamination Certificate

active

10565842

ABSTRACT:
A fixed scroll (40) is provided which is made up of a first stationary-side member (41) and a second stationary-side member (46). The first stationary-side member (41) has a first stationary-side wrap (42) and a first outer peripheral part (43) encompassing the first stationary-side wrap (42). The second stationary-side member (46) has a second stationary-side wrap (47), a second outer peripheral part (48), and a third flat-plate part (49). The second stationary-side wrap (47) is formed integrally with the third flat-plate part (49). An orbiting scroll (50) is provided which has a first flat-plate part (51), a first movable-side wrap (53), a second flat-plate part (52), and a second movable-side wrap (54). The first movable-side wrap (53) is formed integrally with the first flat-plate part (51). The second movable-side wrap (54) is formed integrally with the second flat-plate part (52). A bearing part (64) is formed in the back surface of the first flat-plate part (51), and an eccentric part (21) of a drive shaft (20) is inserted into the bearing part (64).

REFERENCES:
patent: 3560119 (1971-02-01), Busch et al.
patent: 4192152 (1980-03-01), Armstrong et al.
patent: 4650405 (1987-03-01), Iwanami et al.
patent: 529660 (1993-03-01), None
patent: 5-312160 (1993-11-01), None
patent: 7-133770 (1995-05-01), None
patent: 9-126164 (1997-05-01), None
patent: 2002-235682 (2002-08-01), None

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