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Title:
PNEUMATIC BEARING MOTOR
Document Type and Number:
WIPO Patent Application WO/2021/166394
Kind Code:
A1
Abstract:
A pneumatic bearing motor (10) comprising: a shaft (1); a cylindrical bearing sleeve (2) that constitutes a bearing in the radial direction based on the pneumatic pressure of the shaft (1) and has a groove (21) formed on a side surface thereof; a winding core (5) provided adjacent to the side surface of the bearing sleeve (2) and constituting a stator; and an adhesive (6) that is coated on the groove (21) and adhesively bonds the bearing sleeve (2) and the winding core (5) together, wherein a first gap is formed by a portion of the groove (21) not coated with the adhesive (6) between the bearing sleeve (2) and the winding core (5), and a second gap for obtaining coaxial accuracy of the winding core (5) is formed between the side surface of the bearing sleeve (2) outside the groove (21) and the winding core (5).

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Inventors:
OBAYASHI MASATOSHI (JP)
SASO KYOSUKE (JP)
NAKADA YUKI (JP)
UCHIDA TOSHIYA (JP)
Application Number:
PCT/JP2020/046674
Publication Date:
August 26, 2021
Filing Date:
December 15, 2020
Export Citation:
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Assignee:
NIDEC COPAL ELECTRONICS CORP (JP)
International Classes:
F16C17/02; H02K7/08; F16C35/077; H02K5/16; H02K7/09
Foreign References:
JP2015233382A2015-12-24
JP2009168147A2009-07-30
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
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