AIR CYCLE REFRIGERATING/COOLING SYSTEM AND TURBINE UNIT USED THEREFOR

WIPO Patent Application WO/2007/023684

A1

An air cycle refrigerating/cooling system capable of providing stable high-speed rotation by maintaining a space between each of the discs and the housing of a turbine unit at the minimum, enabling an increase in the long-term durability and the life of bearings supporting the spindle of the turbine unit, and enabling an increase in the reliability of the system. The system compresses an inflow air by the compressor (6) of the turbine unit (5) and adiabatically expands the compressed air by the expansion turbine (7) of the turbine unit (5). In the turbine unit (5), the compressor disc (6a) of the compressor (6) and the turbine disc (7a) of the expansion turbine (7) are installed on a shared spindle (13). The spindle (13) is rotatably pivoted on the bearings (15, 16), and a part or all of a thrust force applied to the spindle (13) is pivoted by electromagnets (17).

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NAKAZEKI TSUGITO (JP)
OZAKI TAKAYOSHI (JP)
YAMADA HIROYUKI (JP)
UMETSU YOSHIHIDE (JP)

PCT/JP2006/315821

March 01, 2007

August 10, 2006

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NTN TOYO BEARING CO LTD (JP)
EARTHSHIP K K (JP)
NAKAZEKI TSUGITO (JP)
OZAKI TAKAYOSHI (JP)
YAMADA HIROYUKI (JP)
UMETSU YOSHIHIDE (JP)

F25B9/00; F16C32/04; F25B9/06

JP2000121184A	2000-04-28
JPH08261237A	1996-10-08
JP2000097507A	2000-04-04
JPH07259855A	1995-10-09

SUGIMOTO, Shuji et al. (10-2 Edobori 1-chome, Nishi-k, Osaka-shi Osaka 02, JP)

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