METHOD AND DEVICE FOR HEATING WINDOWS OF A MOTOR VEHICLE
First Claim
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1. A method for defrosting/demisting first and second windows of a motor vehicle having a ventilation system for directing warm air onto the windows, wherein the first window has a resistance heater disposed therewith, comprising:
- receiving an indication for activating a clearing action;
activating the resistance heater as a primary clearance for the first window; and
configuring the ventilation system to concentrate the warm air directed from the ventilation system onto the second window.
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Abstract
Method and apparatus for heating windows of a motor vehicle with a vehicle heating system which directs warm air onto the windows in a controlled manner, wherein the motor vehicle has electrically heated windows (in particular a front windscreen and/or a rear backlite window) and side windows without electrical heating. The warm air from the vehicle heating system is concentrated on the windows without electrical heating when the electric window heating is switched on.
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Citations
14 Claims
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1. A method for defrosting/demisting first and second windows of a motor vehicle having a ventilation system for directing warm air onto the windows, wherein the first window has a resistance heater disposed therewith, comprising:
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receiving an indication for activating a clearing action; activating the resistance heater as a primary clearance for the first window; and configuring the ventilation system to concentrate the warm air directed from the ventilation system onto the second window. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. Motor vehicle apparatus comprising:
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first and second windows wherein the first window has a resistance heater disposed therewith and the second window lacks any resistance heater; a ventilation system for directing warm air onto the windows; a trigger for generating an indication for activating a window clearing action; and a controller responsive to the indication to activate the resistance heater as a primary clearance for the first window and configuring the ventilation system to concentrate the warm air directed from the ventilation system onto the second window. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification