Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VACUUM PUMP AND VACUUM PUMP CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2019143486
Kind Code:
A
Abstract:
To provide a vacuum pump which enables an electric device to be efficiently cooled.SOLUTION: A vacuum pump includes a pump body 11 and an electric case 31 disposed at the outer side of the pump body 11. The electric case 31 has: a cooling jacket 36 in which a cooling medium passage 38a is formed; and a power source circuit part 33 which includes circuit components 62 and enables cooling by the cooling jacket 36. The power source circuit part 33 is attached to the cooling jacket 36 so as to enable heat transfer. The cooling jacket 36 includes: a jacket body 37; and a cooling pipe 38 for circulating a coolant in the jacket body 37. The cooling pipe 38 is partially exposed toward the side of the power source circuit part 33.SELECTED DRAWING: Figure 1

Inventors:
SUN YANBIN
SAEGUSA KENGO
Application Number:
JP2018025854A
Publication Date:
August 29, 2019
Filing Date:
February 16, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
EDWARDS KK
International Classes:
F04D19/04; F04B39/00; F04B39/06
Domestic Patent References:
JP2014043827A2014-03-13
JP2013100760A2013-05-23
JP2008244062A2008-10-09
JP2017200314A2017-11-02
JP2011112254A2011-06-09
JP2009270750A2009-11-19
Attorney, Agent or Firm:
Koji Mizuno
Ryo Matsushita
Keita Noguchi
Teruie Taniyama