Patent ID: 8303269

Claim:
A vacuum pump for producing one of low vacuum and high vacuum, comprising: a housing having a gas inlet and a gas outlet; a pumping system located in the housing; a motor for driving the pumping system; control electronics for controlling operation of the vacuum pump; said housing having four separate housing sections arranged side by side along a shared axis, wherein the separate housing sections do not axially overlap; said separate housing sections including: a pumping section in which the pumping system is located, a control section in which the control electronics are located, a peripheral section located adjacent to the pumping section and in which the gas inlet and the gas outlet are located, and an intermediate section located between the control section and the peripheral section in which a fan is located; a first seal located between adjoining sides of the peripheral section and the intermediate section, and a second seal located between adjoining sides of the intermediate section and the control section, wherein the first and second seals provide thermal barriers between the separate housing sections.