Fresh air for EvoBus

Kirchheim/Teck, November 2014. Solvaro GmbH, manufacturer of individual sheet metal parts for industrial use, supplies EvoBus with a series of air grilles for the Mercedes-Benz Citaro. With high air passage, these will play a key role in supplying cooling air to the engine. The sizes and models provided vary depending on the different bus models. The high-quality components impress one and all. Solvaro has received another order from Mannheim. This time for a component that will be used as a splash guard.

A well-cooled engine consumes less fuel 

Since the introduction of the Euro 6 emissions standard for road vehicles, all variables affecting fuel consumption, and consequently also engine cooling, are at the heart of development efforts. Air grilles with high air passage play an important role in providing the necessary cooling air to the engine. In the case of Solvaro's cooling grilles for EvoBus, the air passes through a 0.7 mm thick sheet fitted with Rv 4-5 perforation. An air passage level of 58.05% is reached. The trapezoidal shape of the profile ensures a high level of stability despite the high permeability. In addition, this shape also enables a larger surface area, thus increasing air passage. The grilles can withstand all types of weather and stone chips, as they are produced from 1.4301 stainless steel.

Impressive individual finishing

The requirements facing suppliers of components in the automotive industry are not just increasing in terms of product quality. Ideally, the perfectly functioning products should also be as simple to install as possible. Gerhard Bullinger, CEO of Solvaro GmbH, based in Kirchheim, reports that Solvaro is investing heavily in additional technologies for this reason. Regarding the components manufactured for EvoBus, he says: "The Citaro air grilles for EvoBus feature rivet holes and cut-outs for the lock. Also, depending on the model, we provide not only different sizes, but also either coated or uncoated versions. The grilles can be installed in the corresponding frames without any additional preparation." In order to succeed in the automotive industry in the future, it will be necessary to provide a flexible response to customer requirements and to offer added value. The Kirchheim company adopts a flexible approach in terms of both development and production. Solvaro also provides small quantities on request, such spare part orders, for example.


[Caption] Citaro: With an air passage level of 58.05%, Solvaro air grilles ensure sufficient cooling of the Mercedes-Benz Citaro engine.

[Caption] Air grille: The trapezoidal shape of the Solvaro air grille not only ensures stability, but also expands the surface area, thus increasing air passage.

[Caption] Laser close-up: Ready-to-install supply of Solvaro air grilles reduces the steps involved for the customer, EvoBus.


SOLVARO – Manufacturer of individual industrial plate components

SOLVARO's expert team from engineering, development and production listens to its customers. The result of this collaboration, coupled with a wide range of production technologies, is individual and innovative components. These may be used in agricultural and construction machinery, buses and server cabinets, for example. For more information, visit

www.solvaro.comReprints of text and images free of charge; sample copy requested.

  • or stay connected

Deep-drawing: reduce costs and raise quality

Deep-drawing perforated components calls for very particular expertise. The possibilities available to those who have technically mastered this art are practically endless. Further development of components, tool management and production planning offer great potential for cost-efficiency in the production of parts.

read more

Declaring war on particulate matter

Air pollution caused by exhaust gas is an especially acute problem in towns, cities and built-up areas. Our partner Eminox offers a variety of products that already almost entirely eliminate harmful substances from exhaust gas.

read more

Anything but without a plan: our management system is certified according to DIN EN ISO 14001.

In order to achieve objectives, not only intentions but also a plan is needed. This also applies to environmental measures. The fact that we are consistently implementing our environmental protection plan and that we place great emphasis on the efficient use of natural resources is now confirmed by the certification of our environmental management...

read more

Trapezoid art on the bus

Do you think of trapezoids as airy works of art? You're right! Our developers have achieved just that with a wave-like trapezoid-shaped ventilation grille for buses - it's a work of art that provides extra air for engine cooling. Only recently Solaris, the Polish rising star among manufacturers of public transport vehicles, has started using the...

read more


Thanks to the great interest our creative engineering in favor of cost effective and flexible prototypes receives we are nominated for the BEST OF INDUSTRY AWARD 2018…

read more

Ventilation grilles at their best

It is only with relentless investment in development manufacturers of construction machinery can stay amongst the market leaders for Excavators, Loaders and Tracked Excavators. We too are never satisfied with the status quo. Our expertise in deep-drawing and development can improve upon the precise fit and overall quality of radiator grille...

read more

Not a simple surface matter

Anyone who installs coated metal parts knows the myriad of influential factors that go into achieving high-quality rust protection. And it’s even more complex when parts are perforated. After all, perforated sheet metal behaves differently than solid material and raises a whole new range of specific challenges.

read more