Fca US LLC

Chrysler Group LLC

Allan A Flanagan

Mark Bigler

Mark Hill

Joseph Balog

Sun load on a cabin of a vehicle is determined without a sun load sensor by affixing a relative humidity/temperature sensor to an inside of a windshield of the vehicle. The relative humidity/temperature sensor includes a relative humidity sensor that senses relative humidity of air at the relative humidity sensor, a temperature sensor that senses temperature of the air at the relative humidity sensor and a glass temperature sensor that senses temperature of glass of the windshield. A controller determines the sun load based on readings from the relative humidity/temperature sensor of relative humidity of the air at the relative humidity sensor, temperature of the air at the relative humidity sensor and temperature of the glass of the windshield.

Method of using a glass-mounted humidity/temperature sensor in a vehicle to obtain sun load and control of HVAC system using sun load

A heating and ventilation system for a passenger compartment of a vehicle. The system having a heater core supplied with engine cooling fluid via a variable flow pump for heating an air flow supplied to the passenger compartment. The system additionally having a controller for controlling the pump to increase engine cooling fluid mass flow-rate in response to a detected temperature decrease of the engine cooling fluid when the engine is off.

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Windsor, CA, United States of America

Allan A Flanagan