Reifenregler: Englisch

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The motor rating of agricultural vehicles and tractors is steadily increasing, and their power and weight as well. Working on the field, the pressure on the soil increases, leading to its partial compression. A disturbance in plant growth and a reduction of the air exchange in the soil as well as in its water reception capacity is the consequence. Usually, the inflation pressure of agricultural tyres is levelled for road traffic. For soils, however, this inflation pressure is too high. Until now, an inflation adaptation was not feasible since a suitable and simple technology was lacking.

With the new automatic control technology called Central Tyre Inflation System (CTIS) soil can be protected and fuel can be saved.

In the project an automatic control technology has been developed, adapting the inflation to the soil. A higher inflation can be chosen for faster road traffic, extended loading capacity, safe driving stability and more brake control; a lower one serves on the field for more soil protection, an improvement in tractive force accompanied by less slip and more inferior rut depth.

The central tyre inflation system (CTIS) determines the correct inflation << road >> or <<field>> automatically. With the low field inflation, the vehicle weight spreads over a larger soil contact surface, the pressure on the soil decreases, the tracks are less deep and soil compaction is reduced. After field work, the tyres are inflated again automatically or manually for the use in road traffic.

The new tyre control technology guarantees the necessary driving safety, reduces tyre wear and increases their life span. On average, the automatic tyre control saves 10 % of fuel. Result is a soil-friendly, energy-efficient and more economical proceeding. The new technology is just as interesting for agricultural contractors as for farmers.

Prof. Dr. Ludwig Volk

Projekt Reifenregler
FH Südwestfalen
Lübecker Ring 2
59494 Soest

Raum 01.009