A dual-loop heating system for vehicles using a heat pump with parallel passenger and defroster circuits, each independently temperature-controlled for optimal thermal distribution.

Patentradars sammanfattning

Volvo Bus Corporation's heating system employs a heat pump delivering heated fluid to two independent loops: a first loop with an additional heating element raising temperature for defroster operations, and a second loop directing heat pump output to both passenger cabin and defroster subsystems. This dual-circuit architecture enables independent temperature control and efficient thermal management across vehicle climate zones while utilizing a single heat pump source.

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