A vehicle airflow control device includes: a wheel shutter that is provided to a vehicle wheel, and is movable by a driving mechanism between an open position at which an opening between spokes of the vehicle wheel is brought into an open state and a closed position at which the opening is brought into a closed state; a shutter device that is provided to an introduction path of an air into an engine compartment, and is switchable between an open state in which an air is permitted to be introduced and a closed state in which an introduction of an air is blocked; and a control mechanism that actuates the driving mechanism to move the wheel shutter to either one of the open position and the closed position in accordance with the open and closed states of the shutter device.

A vehicle airflow control device includes: a wheel shutter that is provided to a vehicle wheel, and is movable by a driving mechanism between an open position at which an opening between spokes of the vehicle wheel is brought into an open state and a closed position at which the opening is brought into a closed state; a shutter device that is provided to an introduction path of an air into an engine compartment, and is switchable between an open state in which an air is permitted to be introduced and a closed state in which an introduction of an air is blocked; and a control mechanism that actuates the driving mechanism to move the wheel shutter to either one of the open position and the closed position in accordance with the open and closed states of the shutter device.

An image board for a rotary wheel which is mounted on a rotary wheel of a vehicle and displays a stationary image regardless of the rotation of the rotary wheel, the image board including: a base plate which is uprightly arranged on the outer portion or the inside of a wheel frame provided on the rotary wheel and mounted to be independently rotatable with respect to the wheel frame, and on one side or both sides of which a predetermined image is arranged, the base plate including a chamber on which a space is formed to be extended along the circumferential direction with respect to a rotational axis; a main weight which is fixedly mounted on the bottom of the base plate and applies a load to the bottom of the base plate; and a compensation weight which moves within the space as the main weight rotates in any direction and applies a load to the main weight so that the main weight returns to the original position thereof, the compensation weight being arranged within the space.

An image board for a rotary wheel which is mounted on a rotary wheel of a vehicle and displays a stationary image regardless of the rotation of the rotary wheel, the image board including: a base plate which is uprightly arranged on the outer portion or the inside of a wheel frame provided on the rotary wheel and mounted to be independently rotatable with respect to the wheel frame, and on one side or both sides of which a predetermined image is arranged, the base plate including a chamber on which a space is formed to be extended along the circumferential direction with respect to a rotational axis; a main weight which is fixedly mounted on the bottom of the base plate and applies a load to the bottom of the base plate; and a compensation weight which moves within the space as the main weight rotates in any direction and applies a load to the main weight so that the main weight returns to the original position thereof, the compensation weight being arranged within the space.

This invention is related to a convertible backpack capable of being converted from a regular backpack into a trolley case and vice versa according to a user preference. The convertible backpack of the invention comprises at least a rotatable wheels cover mechanism, for covering the outer side of each one of the wheels upon usage of the convertible backpack as a backpack and for uncovering the outer side of each one of the wheels upon usage of the convertible backpack as a trolley case.

This invention is related to a convertible backpack capable of being converted from a regular backpack into a trolley case and vice versa according to a user preference. The convertible backpack of the invention comprises at least a rotatable wheels cover mechanism, for covering the outer side of each one of the wheels upon usage of the convertible backpack as a backpack and for uncovering the outer side of each one of the wheels upon usage of the convertible backpack as a trolley case.

The hub cap system for a vehicle, in particular a commercial vehicle, includes a hub cap configured to rotate about an axial direction, wherein the hub cap has a central aperture which extends in the axial direction, and an air guiding system including a primary connection and a secondary connection, wherein the air guiding system extends partially into or through the central aperture.

The hub cap system for a vehicle, in particular a commercial vehicle, includes a hub cap configured to rotate about an axial direction, wherein the hub cap has a central aperture which extends in the axial direction, and an air guiding system including a primary connection and a secondary connection, wherein the air guiding system extends partially into or through the central aperture.

In one embodiment, the present invention is a plasma disk assembly connectable to a vehicle's wheel assembly, the plasma disk assembly comprising a plasma disk assembly having a sealed plasma disk display encapsulating ionizable gas, at least one controllable power source for producing an output sufficient to ionize the gas in the plasma discharge tube and operably connected to the power supply for optionally adjusting the level of the energy to cause selective ionization of the gas in the plasma display to occur in differing amounts as a function of a changing stimulus connected to an input, at least one ball bearing system or mount, electrical connectors connecting the power source to the plasma disk, at least one pair of electrodes electrically coupling the electrical connectors to the ionizable gas in the plasma discharge tube, and at least one ballast system.

In one embodiment, the present invention is a plasma disk assembly connectable to a vehicle's wheel assembly, the plasma disk assembly comprising a plasma disk assembly having a sealed plasma disk display encapsulating ionizable gas, at least one controllable power source for producing an output sufficient to ionize the gas in the plasma discharge tube and operably connected to the power supply for optionally adjusting the level of the energy to cause selective ionization of the gas in the plasma display to occur in differing amounts as a function of a changing stimulus connected to an input, at least one ball bearing system or mount, electrical connectors connecting the power source to the plasma disk, at least one pair of electrodes electrically coupling the electrical connectors to the ionizable gas in the plasma discharge tube, and at least one ballast system.