Dyson taken to court for “false allegations” against Bosch and Siemens

James Dyson recently accused rivals Bosch and Siemens of cheating consumers with misleading energy-efficiency ratings for products

He claimed the machines worked at a lower power setting when there was no dust, as was the case in testing situations, but the motor increased energy from 750W to 1,600W when the bag was full so as to maintain performance.

BSH denied the allegations and has since announced it will be taking legal steps against Dyson over his “unfounded and untrue” statements.

According to BSH, it launched new technology in 2013 featuring intelligent sensors to avoid loss of suction, no matter how full the dust bag is. It said the sensors controlled the vacuum cleaner motor automatically to prevent a loss of performance and guarantee optimum cleaning in the shortest time.

Karsten Ottenberg, CEO of BSH, said: “We have long since been aware that James Dyson has a history of taking a very aggressive approach against his competitors and has a desire to be in the public eye.”

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Ottenberg maintained that Dyson was jealous given that the latest consumer test on vacuum cleaners carried out by Stiftung Warentest rated appliances from BSH as winners for both bagged and bagless vacuum cleaners – Dyson’s core speciality. The British competitor merely achieved an “adequate” in the same test, the company said. 

“With his completely unfounded accusations of cheating he has now overstepped the mark, which is why we will now initiate legal steps against Dyson,” Ottenberg said.

A statement from BSH goes on to say that, in autumn 2014, the company proved that Dyson itself was advertising incorrect energy labels on home appliances. 

“These false declarations were prohibited by the courts in Germany and the values were changed by Dyson throughout Europe,” the statement read. 

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