Title:
PUMP DEVICE
Document Type and Number:
Japanese Patent JP2020108247
Kind Code:
A
Abstract:
To provide a pump device that improves to simplify and downsize a motor assembly.SOLUTION: A pump device according to one aspect of the present invention includes a motor rotor extending in one axial direction, a motor stator, a coil, and a can. The motor stator is arranged around the motor rotor and concentrically with the motor rotor, and has a plurality of heat radiation fins on the outer circumference. The coil is wound around the motor stator on the motor rotor side. The can is arranged between the motor rotor and the motor stator to isolate the motor rotor from the motor stator and the coil.SELECTED DRAWING: Figure 1
Inventors:
SUZUKI TOSHIO
MACHIYA KENJI
MACHIYA KENJI
Application Number:
JP2018244358A
Publication Date:
July 09, 2020
Filing Date:
December 27, 2018
Export Citation:
Assignee:
ULVAC CORP
International Classes:
H02K5/10; F04C29/04; H02K3/44; H02K5/18; H02K9/04
Domestic Patent References:
| JP2010074990A | 2010-04-02 | |||
| JP2007502937A | 2007-02-15 | |||
| JP2007166705A | 2007-06-28 | |||
| JP2014039367A | 2014-02-27 | |||
| JP2011166944A | 2011-08-25 | |||
| JPS567456U | 1981-01-22 | |||
| JP2009201298A | 2009-09-03 |
Foreign References:
| CN106968970A | 2017-07-21 |
Attorney, Agent or Firm:
Junichi Omori
Mitsuru Takahashi
Teppei Nakamura
Yukinobu Hibino
Mitsuru Takahashi
Teppei Nakamura
Yukinobu Hibino