RAC Cars News


New Jaguar climate control concept explained

By raccars Published

Jaguar Land Rover

Get to grips with the ideas behind the new Jaguar Air Bubble and Air Blanket technology.

Car climate control systems are not the most energy-efficient performers and electric drive trains have added an extra problem as a result of a lack of traditional heat-producing waste products.

Jaguar Land Rover’s solution is a twofold Air Bubble and Air Blanket combination, boosting efficiency with traditional internal combustion engines and preventing air con systems from sucking the life out of batteries in electric cars.

New Jaguar Air Bubble technology

In basic terms, Air Bubble should be able to keep a warm air bubble in the cabin of new Jaguar cars of the future, removing the need to constantly draw in and heat up fresh air. Particulates, moisture and Co2 are removed by a boost filter to maintain the freshness of the air

The Warm Air Blanket, meanwhile, aims to create a climate suitable for each occupant of the car. It achieves this by heating the areas surrounding them such as the sides of the transmission tunnel, door tops, sun visors and seats.

This can be particularly beneficial for frequent lone drivers as energy does not have to be wasted in heating areas which are not in use. It also means that the skin of the occupant is warmed rather than the whole cabin.

Battery drain prevention in new Jaguar cars

Jaguar Land Rover claims that the technology can prevent 20 per cent of the efficiency loss usually associated with traditional air conditioning systems in vehicles with internal combustion engines.

In electric and hybrid cars, meanwhile, a traditional Heating, Ventilation and Air Conditioning System (HVAS) can reduce the vehicle's range by as much as 40 per cent by drawing between eight and ten kilowatts from its battery.

Emission reduction efforts on show

Jaguar Land Rover showcased its research into the Warm Air Blanket technology as part of a range of vehicle emission-reducing measures at last year’s CENEX Low Carbon Vehicle show.

The technology is still at concept stage but currently includes the use of infra-red reflective glass to reflect the rays of the sun and prevent unnecessary energy being used to cool the cabin. This glass would be specifically manufactured based upon an individual country or region’s solar radiation profile.

To ensure that the Air Bubble idea maintains breathable air quality, the air from the cabin would go through a filter in the car’s boot. This should result in air in the cabin being of better quality than the air outside.

The Warm Air Blanket technology, meanwhile, features the use of infra-red panels that would be invisibly embedded in locations ranging from the door to the glove box to the sun visors in order to create a micro-climate for each occupant.

The panels should dramatically reduce energy consumption as they heat up efficiently and quickly and offer an almost-instantaneous feeling of warmth.

Energy consumption halved

Early test results revealed that a combination of both of these technology resulted in the halving of HVAC energy consumption, cutting the figures to four to six kilowatts from eight to 12 kilowatts.

Current Jaguar Land Rover research is also focusing on weight reduction in order to improve both emission levels and fuel consumption - and to improve handling.

JLR researchers continue to look at the weight-reduction potential of each component in their vehicles, ranging from using printed electronic circuits instead of wiring looms to inventing prototype seats.

Other innovative ideas that could transform new Jaguar cars in the future include the mixing of carbon fibre with new materials such as flax. The company is also looking at new ways of making carbon fibre components in order to increase production volumes.

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