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Patent Searching and Data


Title:
VACUUM PUMP AND VACUUM PUMP CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/159854
Kind Code:
A1
Abstract:
[Problem] Provided is a vacuum pump that can efficiently cool electrical apparatuses. [Solution] The present invention comprises: a pump main body 11; and an electrical apparatus case 31 that is arranged on the outside of the pump main body 11. The electrical apparatus case 31 includes: a cooling jacket 36 that has an inside surface 46 and an outside surface 47 at a vertical part 40 and has a cooling medium flow path 38a formed therein; and a plurality of electrical apparatuses (33, 34) that comprise a circuit component 62 and can be cooled by the cooling jacket 36. The inside surface 46 and the outside surface 47 are formed to face in different directions, and the electrical apparatuses (33, 34) are respectively attached to the inside surface 46 and the outside surface 47 such that heat can be transferred therebetween.

Inventors:
SUN Yanbin (1078-1 Yoshihash, Yachiyo-shi Chiba 23, 〒2768523, JP)
Application Number:
JP2019/004744
Publication Date:
August 22, 2019
Filing Date:
February 08, 2019
Export Citation:
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Assignee:
EDWARDS JAPAN LIMITED (1078-1, Yoshihashi Yachiyo-shi Chiba, 23, 〒2768523, JP)
International Classes:
F04D19/04; F04B37/16; F04B39/00; F04B39/06
Domestic Patent References:
WO2012053271A12012-04-26
Foreign References:
JPH07194139A1995-07-28
JP2017153339A2017-08-31
JP2013100760A2013-05-23
JP2014043827A2014-03-13
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