Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Reexamination Certificate
1999-11-02
2001-06-05
Denion, Thomas (Department: 3748)
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
C418S055100
Reexamination Certificate
active
06241495
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a modified positioning mechanism for the stationary scroll of a scroll compressor and, more particularly, to a positioning mechanism which can reduce products of inferior quality and let process accuracy be easily controlled.
BACKGROUND OF THE INVENTION
As shown in
FIG. 1
, a scroll compressor in prior art comprises an orbiting scroll
1
, a stationary scroll
2
, an isolating block
3
, and a frame
4
. The orbiting scroll
1
is led to orbit the stationary scroll
2
such that low-pressure working fluid is led into, compressed through continuous orbital motion of the orbiting scroll
2
, and discharged at high-pressure state via a discharge port at the center of the stationary scroll
2
. The compression stroke of working fluid is thus completed.
As shown in
FIGS. 1 and 2
, two positioning blocks
5
are installed on the frame
4
. The two positioning blocks
5
are arranged at two opposed positions to limit the motion of the stationary scroll
2
. A fixing hole
7
is drilled at each positioning block
5
. A positioning bolt
6
is fixed in each fixing hole
7
. The two positioning bolts
6
are horizontally arranged. One end of the positioning bolt
6
is inserted in the stationary scroll
2
to prevent the stationary scroll from rotating.
However, in the positioning mechanism for the stationary scroll of a conventional scroll compressor, the fixing hole
7
at the positioning block
5
must be drilled twice. The angle accuracy can not be easily controlled. Moreover, it is difficult to align the two positioning bolts
6
in a straight line. Therefore, it is hard to control the quality, resulting in more products of inferior quality.
SUMMARY AND OBJECTS OF THE PRESENT INVENTION
Accordingly, the primary object of the present invention is to provide a modified positioning mechanism for the stationary scroll of a scroll compressor. The present invention is characterized in that the two positioning bolts fixed by the positioning blocks on the frame of the scroll compressor are vertically arranged. The fixing holes at the positioning blocks for fixing the positioning bolts are vertically arranged. Process accuracy of the fixing holes can be easily controlled, and components and products of inferior quality can be effectively reduced.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawings, in which:
REFERENCES:
patent: 4383805 (1983-05-01), Teegarden et al.
patent: 4413959 (1983-11-01), Butterworth
patent: 4431388 (1984-02-01), Eber et al.
patent: 5407335 (1995-04-01), Caillat et al.
patent: 5411384 (1995-05-01), Bass et al.
patent: 5527166 (1996-06-01), Chang et al.
patent: 5551851 (1996-09-01), Williams et al.
patent: 5580230 (1996-12-01), Keifer et al.
patent: 5984653 (1999-11-01), Misiak
patent: 6056523 (2000-02-01), Won et al.
patent: 61-098987 (1986-05-01), None
patent: 5-018202 (1993-01-01), None
patent: 6-093982 (1994-04-01), None
Denion Thomas
Rechi Precision Co., Ltd.
Rosenberg , Klein & Lee
Trieu Theresa
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