Heat pump system for vehicle and method of controlling the same

This invention describes a vehicle's heat pump system designed to manage both cooling and heating. It circulates coolant to the motor and electrical components, using a radiator and fan to cool them. The system also integrates an air conditioner, which uses a water-cooled component to exchange heat with the engine's coolant, alongside an air-cooled component, and specifically includes an HVAC module with a movable door to direct air for different climate control modes.

Why it matters: Filed before widespread EV adoption, this system's integration of motor waste heat with cabin climate control is now critical for EV range and battery thermal management. Advanced control systems can optimize its efficiency.

Status: ExpiredProtection ended and was never renewed
How hard to build: ModerateMultiple fluid circuits, heat exchangers, HVAC module, control.

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