Importance

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Abstract

A cooling arrangement for conditioning air within a cabin of an underground work machine includes blowers to generate an air flow, a first evaporator, and a second evaporator. The first evaporator provides passage to a first portion of the air flow and receive a first coolant to facilitate a first heat transfer from the first portion of the air flow to the first coolant. The second evaporator provides passage to a second portion of the air flow and receive a second coolant to facilitate a second heat transfer from the second portion of the air flow to the second coolant. A receipt of the first coolant into the first evaporator for the first transfer and a receipt of the second coolant into the second evaporator for the second transfer occurs either independently or simultaneously with each other for supplying conditioned air flow into the cabin to cool the cabin.

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First Claim