Hyundai: Wheel Pressure Changes at Will

Variable Tire Pressure: Hyundai’s Next Big Step

Hyundai is exploring a distinct concept for adjusting a car’s tire pressure on-the-go; instead of the conventional air compressor, they intend to utilize transformable wheels. CarBuzz noticed a patent which was reported to the US Patent and Trademark Office (USPTO) a while back by the two Korean automakers, Hyundai and Kia. The contents of the patent refer to an adaptable metal specially designed to be utilized in the barrel of the wheel (the external element between the inward-facing and outward-facing edges). This specialized material is capable of contracting or dilating, thereby altering the interior configuration of the tire and subsequently transforming its pressure.

It can be likened to when you compress a water container – through minimizing the area within the bottle, pressure is raised, and upon relaxation, as the flask increases in size, the force subsides. If this idea were applied to actuality, it could similarly be employed to both a Genesis G90 and Hyundai Palisade.

This invention pertains to a bimetallic strip. A bimetallic strip is one that includes two distinct metals inextricably linked and set up to become same size at a pinpointed temperature. On the other hand, when these strips are brought up to temperature they demonstrate an unequal response as result of heat, oftentimes curving in one direction when heated and the opposite way when cooled.

Hyundai intends to employ bimetallic material in car wheel rims, while a digital device administers power to the element so that it is contorted into an outward or inward shape corresponding to how the situation requires. By doing this, individual inflation for each wheel can be implemented, thus cutting down on how often tire pressure should be inspected.

The air pressure in a standard road tire differs considerably while the car is in use, even if no manual adjustments are made. On account of the thermic enlargement of the airstream inside the tire, a hot tire could witness an upsurge in pressure quantity of up to five psi when contrasted with a cold tire. This may affect the smoothness of the ride, handling capabilities, and braking performance.

In contrast, extremely cold weather can cause denser air and lesser tire pressures. This is why you may frequently discover in wintertime, that you have left your car parked overnight yet when you’re awoken the following morning, your tire pressure warning light lit up despite no evident puncture nor any modifications done before resting.

The inflation of tires is usually altered to fit the driving conditions. For example, when a vehicle is loaded with a substantial amount of cargo, higher tire pressures are needed to ensure secure transportation and prevent any risks. Additionally, when operating a truck, adjusting the back tire pressure is indispensable if enduring a heavy load. Moreover, going up a steep hill shifts more weight to the rear tires and needs additional air for optimal contact and improved adhesion when taking tight turns.

Adjusting the air pressure in these cases would help avert tyre distortion and bolster the car adequately. Furthermore, diminishing tyre deformation – like low-profile tyres but minus the uncomfortable ride – coupled with the extended contact patch would improve fuel efficiency by cutting down on rolling friction.

Hyundai’s mechanism shall depend upon responses from its navigation system, balance sensors, tire pressure monitors, accelerometers (G-force detectors), outside cameras, and even an indoor ultrasonic sensor to calculate the number of passengers within the vehicle and use this discernment to decide which wheel or wheels need their air pressure adjusted and by what margin in order to accommodate the situation at hand.

Nevertheless, selecting the driver’s mode will adjust the pressure as required; for example, if in Eco setting, the pressure will be enhanced to lessen the rolling resistance.

The range of possible effects that diverse tire pressure levels can produce is wide.


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