Present embodiments relate to ionization of air flow within heating, ventilation and air conditioning (HVAC) systems. More specifically, but without limitation, present embodiments relate to ionization systems, for example bipolar ionization, which are controlled in part by a signal from or powered by the blower motor controller of the HVAC system so that the ionization system functions when the blower is on.

An axle assembly that includes a housing assembly and a dipstick assembly. The housing assembly may at least partially define a cavity that receives a lubricant. At least a portion of the dipstick assembly may be removably mountable to the housing assembly and may include a fitting and a dipstick.

A non-exhaust fine dust collecting apparatus using friction electricity is disclosed. An exemplary embodiment of the present invention provides a non-exhaust fine dust collecting apparatus using friction electricity, including: an air pipe mounted in a vehicle and provided with an inlet through which fine dust generated in a vehicle and charged with a first polarity flows together with air; and a dust collector mounted at a side of an outlet of the air pipe and charged with a second polarity that is opposite to the first polarity to collect the fine dust charged with the first polarity.

An air ionization system is provided for creating an ionized airflow within a transit vehicle. The air ionization system includes a block having electronic control circuitry therein, air ionizing electrodes, and wiring electrically coupling the air ionizing electrodes to the electronic control circuitry. The air ionizing electrodes are mounted remote to the block in the transit vehicle and are mounted within an air distribution unit of the transit vehicle.

A method and a system are provided for capturing particle emissions from a tire of a vehicle. The system includes a triboelectric generator configured to generate an electric current. The system includes a capture surface configured to have an electric field. The system includes a first electrical connecting line connecting the triboelectric generator to the capture surface. The first electrical connecting line is configured to pass to the capture surface the electric current generated via the triboelectric generator. The passed electric current is used by the capture surface to generate the electric field. The system includes a set of filters attached to the capture surface. A computer program product is also provided which may cause a computer system to adjust a supplementary power flow to the capture surface based on a control signal that is received.

The present invention relates to an electrical dust collection device comprising: a charging part for applying charges to dust particles introduced from the outside; a dust collection part for collecting, by electric attraction, the dust particles charged by the charging part, wherein the charging part uses a first charging plate and a second charging plate, in parallel, in the movement direction of dust, thereby increasing an assembly property and further increasing dust collecting efficiency through stable charging, and the dust collection part comprises a first connection portion that continues at one side of a plurality of first dust collection plates, thereby increasing productivity and dust collecting performance.

Provided is an air cleaner that can take a large amount of air in a large space into a dust collector with good efficiency while being lightweight and having easy maintenance. An air cleaner is provided with a drone and a dust collector. The drone has a main body unit and propellers attached to the tips of frames. The dust collector has electric discharge electrodes and a dust collection electrode. The electric discharge electrodes are connected to a booster unit within a central chamber. The booster unit is electrically connected to a control unit in the main body unit. Electric discharge is formed between the dust collection electrode and the electric discharge electrodes, and dust particles in the air are charged and collected by the dust collection electrode.

Embodiments of the present disclosure may suppress conduction between an anode and a cathode caused by condensed water in an oil removal apparatus in which oil particles are collected in a filter disposed between the anode and the cathode. An insulating layer may be sandwiched either between the filter and at least one of the anode and the cathode of the bipolar electrode, or within the filter so as to extend in a flow direction of blow-by gas, and may have an insulating property so as to prevent condensed water generated when moisture in the blow-by gas condenses, from connecting the anode and the cathode of the bipolar electrode.

A positive and negative oxygen ion air purification system uses dielectric barrier discharge for rail transport. The system includes: an air intake device including a first damper and second damper, wherein the first damper is in communication with the second damper; an evaporator disposed within the air intake device, wherein gas flowing through the first damper and second damper passes through the evaporator; a purification device, wherein gas flowing through the first damper and second damper passes through the purification device, wherein the purification device includes a mounting plate, a power supply module and an ion generation module, the purification device is disposed on the air intake device by the mounting plate, and the power supply module includes an input end, a transformer, and an output end; a detection device; and a control device connected to the detection device, the air intake device and the purification device.

A particle separator including a rotor disposed inside a housing. The rotor has a plurality of magnetic sections that are arranged with alternating poles. A drive rotates the rotor to generate a changing magnetic field. Magnetic particles and non-magnetic conductive particles are removed from a liquid that flows through the particle separator. The magnetic particles attach to the rotor and the non-magnetic conductive particles are repelled away from the rotor by the changing magnetic field.