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xxx 2012-12-05

Cyclone effect extends filter lifetime

Cyclone effect extends filter lifetime

A maintenance indicator on top of the housing indicates when the filter needs to be changed -this lowers maintenance costs and increases operational safety.

The new developed In Line Filter (LEN) by Rexroth offers significantly improved performance. A new design, using the cyclone effect in the filter housing improves the dirt holding capacity substantially and stretches out service intervals.

In the new developed filter head the medium will flow due to the cyclone effect in a tangentially path. This ensures a uniform flow around the filter element and drives heavy particles to the outside. This prevents the filter material from getting clogged too quickly. The particles collect in the groves of the likewise re-designed filter bowl, from where they can be easily removed.

A pressure spring in the filter fixes the filter element to the grooves in the filter bowl bottom. This protects the filter element against uncontrolled movements by flow and vibration. Thanks to the newly designed shape of the filter bowl bottom, the medium goes through the lobes and also flows under the filter element. This distributes the pressure evenly and effectively prevents an overburdening of the filter under varying operating conditions.

The differential pressure contamination indicator measures the degree of pollution of the filter element. Based on the condition of the filter, a maintenance indicator on top of the housing indicates when the filter needs to be changed and when it reaches critical operating condition. This lowers maintenance costs and increases operational safety. Filter elements are not being changed unnecessarily in accordance with fixed maintenance intervals even if they still function well. In addition, the new 110 LEN filter series simplifies the replacement of the filter bowl. A pressure spring automatically lifts the filter element off the centering pivot in the housing. The filter element’s 6-layer filter material is highly effective in its cleaning performance while minimizing pressure loss.

Combining highest functionality with attractive design, the new filter series by Rexroth has won the iF Product Design Award 2011. This award has been recognized around the globe as a label for excellent design. For this year’s award, the jury chose winners in 16 categories from 2,756 entries.

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Bosch Rexroth AG is one of the world’s leading specialists in the field of drive and control technologies. Under the Rexroth brand name, the company supplies more than 500,000 customers with tailored solutions for driving, controlling, and moving. Bosch Rexroth is a partner for Mobile Applications, Machinery Applications and Engineering, Factory Automation and Renewable Energies. The company provides customized solutions tailored to the needs and specifications of each individual market. As The Drive & Control Company, Bosch Rexroth develops, produces, and sells components and systems in over 80 countries. As part of the Bosch Group, Bosch Rexroth and its 38,400 associates generated approximately 6.4 billion euros ($8.9 billion) in revenue in 2011.

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In the U.S., Canada and Mexico, the Bosch Group manufactures and markets automotive original equipment and aftermarket products, industrial drives and control technology, power tools, security and communication systems, packaging technology, thermotechnology, household appliances, solar energy, healthcare telemedicine and software innovations. Having established a regional presence in 1906, Bosch employs over 22,500 associates in more than 100 locations, with sales of $9.8 billion in fiscal year 2011, per preliminary figures. For more information, visit .

The Bosch Group is a leading global supplier of technology and services. According to preliminary figures, more than 300,000 associates generated sales of 51.4 billion euros ($71.5 billion) in the areas of automotive and industrial technology, consumer goods, and building technology in fiscal year 2011. The Bosch Group comprises Robert Bosch GmbH and its more than 350 subsidiaries and regional companies in some 60 countries. If its sales and service partners are included, then Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. Bosch spent more than 4 billion euros ($5.5 billion) for research and development in 2011, and applied for over 4,100 patents worldwide. With all its products and services, Bosch enhances the quality of life by providing solutions which are both innovative and beneficial. Further information is available online at and .


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