Heating/ventilating/air conditioning systems for vehicles
First Claim
1. A control module for controlling airflow through an HVAC module of a vehicle, the control module including at least the following electrical or electromechanical components, integrated into a single housing:
- one or more temperature sensors for measurement of one or more of intake air temperature, outlet air temperature, air-off evaporator temperature and engine coolant temperature;
at least one electrical actuator, servo motor or stepper motoractuator control circuitry for controlling said at least one electrical actuator, servo motor or stepper motor;
blower motor speed control circuitry for speed control of the variable speed blower motor of the HVAC module;
sensor control circuitry for said sensors; and
communication circuitry for a serial communication interface to enable communication with a vehicle users interface.
3 Assignments
0 Petitions
Accused Products
Abstract
An HVAC Integrated electronic Module (HIM) (41) for controlling airflow through an HVAC module (12), the HVAC module including a variable speed blower motor (18), a plurality of airflow doors (26–28) for controlling air direction and hot-cold air temperature blend, and electrical actuators, servo motors or stepper motors for said doors, the HIM including: one or more air temperature sensors (22) for measurement of one or more of intake air temperature, outlet air temperature, air-off evaporator temperature and engine coolant temperature; actuator control circuitry (31) for controlling said electrical actuators, servo motors or stepper motors; blower motor speed control circuitry (15) for speed control of the variable speed blower motor; sensor control circuitry for said sensors; and communication circuitry for a serial communication interface (42) to enable communication with a vehicle users interface (32).
47 Citations
11 Claims
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1. A control module for controlling airflow through an HVAC module of a vehicle, the control module including at least the following electrical or electromechanical components, integrated into a single housing:
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one or more temperature sensors for measurement of one or more of intake air temperature, outlet air temperature, air-off evaporator temperature and engine coolant temperature; at least one electrical actuator, servo motor or stepper motor actuator control circuitry for controlling said at least one electrical actuator, servo motor or stepper motor; blower motor speed control circuitry for speed control of the variable speed blower motor of the HVAC module; sensor control circuitry for said sensors; and communication circuitry for a serial communication interface to enable communication with a vehicle users interface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A control module for controlling airflow through an HVAC module of a vehicle, said control module including at least the following electrical or electromechanical components mechanically integrated into a single housing:
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one or more temperature sensors for measurement of one or more of intake air temperature, outlet air temperature, air-off evaporator temperature, air-off evaporator temperature and engine coolant temperature; actuator control circuitry for controlling said at least one electrical actuator, servo motor or stepper motor of the HVAC module; blower motor speed control circuitry for speed control of a variable speed blower motor of the HVAC module; sensor control circuitry for a serial communication interface to enable communication with a vehicle users interface.
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Specification