Refrigerating apparatus with turbo compressor

Details Refrigerating apparatus with turbo compressor Refrigerating apparatus with turbo compressor

2005-10-19

2008-11-18

Tapolcai, William E (Department: 3744)

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

C062S510000

Reexamination Certificate

active

07451616

ABSTRACT:
A refrigerating apparatus, including a turbo compressor including a driving motor and a plurality of bearing members supporting a rotation axis of the driving motor; a condenser provided to condense a refrigerant gas compressed from the turbo compressor; a refrigerant supplying part supplying a part of a refrigerant discharged from an outlet of the condenser to the turbo compressor to cool down the driving motor and the bearing members; and a refrigerant discharging part provided to discharge a cooling refrigerant supplied by the refrigerant supplying part and passing through the turbo compressor. Thus, the refrigerating apparatus cools a driving motor and a bearing member of a turbo compressor without difficulty. Also, the refrigerating apparatus restrains a refrigerant from leaking between an impeller and a diffuser, and increases the efficiency of the turbo compressor.

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Office Action mailed on Apr. 22, 2008 and issued in corresponding Japanese Patent Application No. 2005-372076.

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