Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Reexamination Certificate
2008-04-29
2008-04-29
Trieu, Theresa (Department: 3748)
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
C418S055400, C418S057000, C418S104000, C417S310000, C417S410500
Reexamination Certificate
active
07364416
ABSTRACT:
A scroll type compressor with an enhanced sealing arrangement includes two sealing rings, mounted one between a first part of a gliding block and a first chamber of a fixed scroll and another one between a second part of the gliding block and a second chamber of the fixed scroll, respectively. The sealing ring has a U-shape cross section characterized in having a center depth smaller than half of a total height of the cross section. By providing such sealing rings, damage in mounting the sealing rings can be reduced to a minimum, possible leakage from the damage can be avoided, the assembly process in producing the compressor can be improved, and the compressor can be successfully merchandized.
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Chang Yu-Choung
Chen Hung-Chi
Huang Shu-Er
Liang Kun-Yi
Wang Bo-Chin
Birch & Stewart Kolasch & Birch, LLP
Industrial Technology Research Institute
Trieu Theresa
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