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Patent Searching and Data


Title:
CONTROLLER AND VACUUM PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/150911
Kind Code:
A1
Abstract:
[Problem] To provide a controller and a vacuum pump device, which have less vibration, are compact and of low cost, and are configured to enable the heat of a control circuit contained in the controller to be efficiently removed. [Solution] This controller (12) is provided with a control circuit for controlling the operation of the pump body (11) of a vacuum pump device (10). The controller is provided with: a controller housing (15) in which the control circuit is contained; and a heat sink (16) formed integrally with the controller housing (15) and having a plurality of fins (17) formed extending radially outward from the outer peripheral surface of the controller housing (15).

Inventors:
TATENO Yasushi (1078-1 Yoshihash, Yachiyo-shi Chiba 23, 〒2768523, JP)
Application Number:
JP2018/003628
Publication Date:
August 23, 2018
Filing Date:
February 02, 2018
Export Citation:
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Assignee:
EDWARDS JAPAN LIMITED (1078-1, Yoshihashi Yachiyo-shi Chiba, 23, 〒2768523, JP)
International Classes:
F04B37/16; F04B39/06; F04D19/04
Foreign References:
JP2004251133A2004-09-09
JP2004281079A2004-10-07
JPH07312493A1995-11-28
JP2004197687A2004-07-15
JP2003060135A2003-02-28
JP2006278735A2006-10-12
JPH11173293A1999-06-29
JPS476795U1972-09-22
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