Turborefrigerator

Details Turborefrigerator Turborefrigerator

1997-10-23

1999-03-23

Capossela, Ronald

Refrigeration

Automatic control

Refrigeration producer

62172, 62402, F25B 4900

Patent

active

058844988

ABSTRACT:
A turborefrigerator in which a coolant discharged from a turbocompressor is condensed in a condenser by dissipating heat to a cooling medium and is then reduced by a throttling mechanism, and thereafter, the coolant evaporates by absorbing heat from a cooled medium in an evaporator and is circulated to the turbocompressor. The present invention simplifies the configuration of such a turborefrigerator, so that the size, weight and cost thereof are reduced. Moreover, the present invention enhances the coefficient of performance thereof and prevents lubricating oil and a cooling medium from blending with each other to cause inconveniences. Thus, the turborefrigerator of the present invention is further provided with an inverter motor whose output shaft directly connected to an impeller of the turbocompressor is supported by a bearing lubricated by a liquid refrigerant, and with a control unit adapted to control both of a suction vane, which is provided in the turbocompressor, and the inverter motor by associating said suction vane and the inverter motor with each other.

REFERENCES:
patent: 4734628 (1988-03-01), Bench et al.
patent: 5176007 (1993-01-01), Komatsu et al.

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