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德國Elmo Rietschle   
德國RIETSCHLE偉力(里其樂)THOMAS ELMO真空泵
There are many reasons to choose Elmo Rietschle when looking for solutions to support your vacuum and pressure applications:

Our long history of product and application know-how
Precise knowledge of industrial processes
High-quality products
A global service network with on-site support
Knowledgeable, personal consultation from our engineers
Unmatched range of vacuum and pressure technologies 
 Tradition Meets the Future – The History of Elmo Rietschle
Both Elmo and Rietschle can look back on an impressive string of successes that have marked industry milestones for more than one hundred years.

As early as 1903 Elmo was granted the Imperial Patent for the world's first liquid ring vacuum pump; just three years later a smaller Elmo vacuum pump was used in Germany's first vacuum cleaner. Elmo was then, and actually until 2002, a brand of Siemens. The first side channel blower was introduced in 1963 and revolutionized the vacuum and pressure market. The emphasis on designing and building the highest quality machines and providing engineering support of outstanding professionalism has been the trademark of Elmo. After the turn of the millenium and its spin-off from Siemens, Elmo merged with Nash Industries, a former US competitor, to form nash_elmo.

Driven by the ingenious Werner Rietschle, who started his own company after World War II, Rietschle soon became a well-known supplier of fine vacuum pumps and compressors, earning itself the reputation of being highly customer-focussed, flexible and innovative. In 2002 the company was acquired by Thomas Industries to become Rietschle Thomas. By then it had built an impressive network of production facilities and sales offices worldwide. Special emphasis was put on providing after sales service and support for thousands of customers who use the many different product types Rietschle builds.

Gardner Denver bought both companies in 2005/2006 to form the Elmo Rietschle brand.

Milestones

1903 First Elmo liquid ring vacuum pump and first vacuum cleaner using an Elmo pump
1950 Werner Rietschle founds Werie; launch of oil-lubricated rotary vane
1960 Launch of the dry-running rotary vane by Rietschle and the light metal foundry
1960 First side channel blower by Elmo; Rietschle starts its system solution business
1998 Rietschle claw pumps and compressors are launched
2000 Elmo spins off from Siemens as elmo vacuum technology
2002 Elmo merges with Nash to form nash_elmo
2002 Rietschle is acquired by Thomas Industries to form Rietschle Thomas
2005/6 Gardner Denver acquires nash_elmo and Rietschle Thomas