System and method for electrostatic air filtering in an automotive vehicle
First Claim
1. A system for electrostatic air filtering in an automotive vehicle that includes a high-voltage energy storage device, an electric motor for powering the vehicle, and a passenger compartment, the system comprising:
- an electrostatic filtering system in the vehicle having a plurality of discharge electrodes, at least one accumulation electrode, and a sensor system to sense a first amount of particulates in air flowing upstream of the accumulation electrode and a second amount of particulates in air flowing downstream of the accumulation electrode; and
an electrical distribution system in high-voltage electrical communication with the filtering system, the electric motor, and the high-voltage energy storage device to distribute high-voltage electric power from at least one of the electric motor and the high-voltage energy storage device to the filtering system;
wherein the filtering system receives the high-voltage electric power from the distribution system to generate a high-voltage electrostatic potential between the accumulation electrode and the discharge electrodes to electrostatically transfer particulates from air flowing through a region of the electrostatic potential to the accumulation electrode, and increases or decreases a rate of air filtering in response to the first and second amounts of sensed particulates.
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Accused Products
Abstract
A system and method is provided for electrostatic air filtering in automotive vehicles, such as electric and hybrid electric vehicles. The system includes an electrical distribution system and an electrostatic filtering system having discharge electrodes and an accumulation electrode. The distribution system is in high-voltage electrical communication with the filtering system as well as an electric motor and a high-voltage energy storage device in the vehicle. In operation, the distribution system distributes high-voltage electric power to the filtering system. The filtering system receives the high-voltage electric power to generate a high-voltage electrostatic potential between the accumulation electrode and the discharge electrodes to remove particulates from air flowing through a region of the electrostatic filtering system.
9 Citations
20 Claims
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1. A system for electrostatic air filtering in an automotive vehicle that includes a high-voltage energy storage device, an electric motor for powering the vehicle, and a passenger compartment, the system comprising:
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an electrostatic filtering system in the vehicle having a plurality of discharge electrodes, at least one accumulation electrode, and a sensor system to sense a first amount of particulates in air flowing upstream of the accumulation electrode and a second amount of particulates in air flowing downstream of the accumulation electrode; and an electrical distribution system in high-voltage electrical communication with the filtering system, the electric motor, and the high-voltage energy storage device to distribute high-voltage electric power from at least one of the electric motor and the high-voltage energy storage device to the filtering system; wherein the filtering system receives the high-voltage electric power from the distribution system to generate a high-voltage electrostatic potential between the accumulation electrode and the discharge electrodes to electrostatically transfer particulates from air flowing through a region of the electrostatic potential to the accumulation electrode, and increases or decreases a rate of air filtering in response to the first and second amounts of sensed particulates. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for electrostatic air filtering in an automotive vehicle including a high-voltage energy storage device, an electric motor for powering the vehicle, and a passenger compartment, the system comprising:
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an electrostatic filtering system in the vehicle having a plurality of discharge electrodes, at least one accumulation electrode, and a sensor system to sense amounts of particulates in air flowing upstream and downstream of the accumulation electrode; an electrical distribution system in high-voltage electrical communication with the filtering system, the electric motor, and the high-voltage energy storage device to distribute high-voltage electric power from at least one of the electric motor and the high-voltage energy storage device to the filtering system; and a controller in the vehicle configured to regulate the high-voltage electric power from the distribution system and apply the high-voltage electric power to the discharge electrodes so as to control a rate of air filtering in response to the amounts of particulates in air flowing upstream and downstream of the accumulation electrode, wherein the discharge electrodes create a high-voltage electrostatic potential and transfer particulates from air flowing through a region of the electrostatic potential to the accumulation electrode. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method of air filtering in a vehicle electrostatic filtering system having an accumulation electrode and discharge electrodes, the method comprising:
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receiving high-voltage electric power from an electrical distribution system that distributes high-voltage electric power to the electrostatic filtering system from at least one of an electric motor, and a high-voltage energy storage device; sensing particulate amounts in air flowing upstream and downstream of the accumulation electrode; applying the high-voltage electric power to the discharge electrodes in response to the sensed particulate amounts to generate a high-voltage electrostatic potential between the accumulation electrode and the discharge electrodes; and moving air through a region of the electrostatic potential to remove particulates from the air to the accumulation electrode. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification