Vacuum pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9234519
APP PUB NO 20120315165A1
SERIAL NO

13376691

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A vacuum pump comprises pumping elements arranged in a pumping chamber. An electric motor drives the pumping element. A frequency inverter is provided for changing the rotational speed of the electric motor. The frequency inverter is arranged in a frequency inverter housing immediately connected to the pump housing. An air cooler and a liquid cooler are arranged in the frequency inverter housing to cool the frequency inverter.

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Patent Owner(s)

Patent OwnerAddress
LEYBOLD GMBH50968 KÖLN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dreifert, Thomas Kerpen, DE 28 115
Giebmanns, Wolfgang Erftstadt, DE 15 44
Jenkins, Robert Sussex, GB 21 536
Müller, Roland Köln, DE 33 69

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