| 摘要 |
A single motor (26) drives both oil and refrigerant pumps (24, 36) in a refrigeration chiller (20), the motor (26) and oil pump (24) being disposed in the chiller's oil supply tank (28) and the refrigerant pump being disposed exterior thereof. The refrigerant pump (36) pumps liquid refrigerant to the chiller's compressor section so as to cool the motor (22) by wich the compressor (20) is driven while the oil pump (24) pumps oil to chiller locations that require lubrication when the chiller (10) is in operation.
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