| 摘要 |
A monitor for detecting air leaks during the operation of a closed vapor compression refrigeration system having a refrigerant compressor driven by a prime mover. An oxygen sensor is disposed in the discharge manifold of the compressor, and the electrical output of the sensor is compared with a reference voltage by a comparator. When an air leak is detected by the comparator, refrigerant control responsive to such detection provides an alarm and/or shuts down the refrigeration system.
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