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Tire Inflation

A new patent application from Jaguar Land Rover shows a central tire inflation system that could be destined for the new Defender. The patent application shows a very detailed system that interacts with various modules in the vehicle and adjusts tire pressures based on drive mode. The usual functions of a central tire inflation system are displayed, but JLR takes it a step further by integrating features such as a “Puncture Assist Mode.�

The features that are integrated into the drive modes appear to offer tire inflation for various environments and circumstances. The base or interim tire inflation pressure is set to 29 PSI and is adjusted based on the option selected. The example for the standard on road mode is set to 33 PSI in the front with 36 PSI in the rear. These pressures are very similar to what is listed on the placard for the current Land Rover Discovery, which is on the same platform that should underpin the Defender.

Going further into the various modes, we see that there is also a “High Load Mode� which pumps up the tires to over 40 PSI presumably to be able to take on extra weight. As expected, there are various examples of off-road modes which take the pressures down to a range between 20 and 26 PSI depending on the option that is selected. There is also a “Recovery Mode� which takes the pressures all the way down to 17 PSI which would likely be used to recover the vehicle out of sand or mud.

The integration of the system would allow it to work with the ABS and stability control modules so that the vehicle would be prevented from setting pressures out of range. In one example, the application states that the stability control module could communicate with the tire inflation module in order to prevent a situation where the vehicle would experience excessive oversteer or understeer.

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https://www.roadandtrack.com/new-cars/futu...nder-info/ --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

Naks wrote:

OMG, yes, too much tech!

We should all just go back to horse-drawn carriages

LOL! Let’s not get ridiculous here.

My point is..the more gimmicks they put in these things (Ill admit, I personally love the gimmicks and have no wish to go backwards) makes them unsustainable over time and more and more disposable. They are making them harder for people to own long term keepers.
Personally, Ive just conceded to the fact that my family will continue to upgrade cars every 36 months or so and leasing will most likely be the norm for at least one of our vehicles. No horse-drawn carriages for this family, unless I’m renting out a 15 minute carriage ride in old-town....but the way car companies are in a frantic race to out gimmick each other as quickly as possible, I feel a bit bad for people who cant really swing a new car every 3 years...or even 5 years. Oh well. People will either keep buying up new cars or they’ll figure out ways to keep these “technological wonders� on the road with all systems functioning. Interesting times we live in.

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Rkcorry wrote:

blackwolf wrote:

That is monumentally hideous!

It could be worst, it really could.

Would one feel short changed if this is what your booking deposit secured....

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Ramsay wrote:

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Click image to enlarge I'm on IG: https://www.instagram.com/osloblue42/
Current: TD5 '110 "Lucinda" Thread here: https://www.defender2.net/forum/topic62562.html

Naks wrote:

I bought my Puma in Feb 2010, brand new.

In the almost 9 years that I've had it, ALL of the issues have been mechanical: front axle bent from factory, rear diff, clutch (replaced 3 or 4 times), gearbox output shaft, clutch slave cylinder, etc.

So yeah, none of the tech has actually every gone wrong on any of my landys since 2008, always mechanical.

so bring on the tech I say

Ya, the HVAC stopped working in the middle of our ski trip, making it a life threatening situation with ice on the inside of our vehicle. Only way to fix is reflash the computer.

Yep, bring on the tech.....  2018 RAM Power Wagon (American Muscle)
2003 Land Rover Discovery II HSE 7 (Still deciding on its role)
2004 Land Rover Discovery II SE (British Steel...& aluminum)
2015 Land Rover Discovery Sport HSE Lux (Soccer Mom car)