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US 12,506,381 B2Granted
Motor
AssigneeMINEBEA MITSUMI Inc.
InventorHiroki Fujihara
Life of this patent
Estimating the term…
Abstract
A motor includes a motor body including a bottom part and a motor terminal 26 provided at the bottom part, and a terminal unit 200 mounted at the bottom part of the motor body. The terminal unit 200 includes a holder 210, a PTC thermistor 180 and a terminal part 330b fixed to the holder 210, and a wiring part electrically connecting the motor terminal 26 and the terminal part 330b. The PTC thermistor 180 is provided at the wiring part. In the radial direction, the terminal part 330b and the PTC thermistor 180 are arranged and facing each other.
Claims8
A motor, comprising:
- a shaft;
- a motor body including a frame, a bottom part including a plate closing an opening portion of the frame, and a first motor terminal and a second motor terminal, provided at the bottom part;
- and
- a terminal unit mounted on the bottom part of the motor body, wherein
- the terminal unit includes
- a holder,
- an electronic component and a terminal part fixed to the holder,
- a wiring part of a first system electrically connecting the first motor terminal and the terminal part,
- a wiring part of a second system electrically connecting the second motor terminal and the terminal part via the electronic component,
- a first motor-side terminal piece electrically connecting the first motor terminal,
- a second motor-side terminal piece electrically connecting the second motor terminal,
- the electronic component is provided at the wiring part of the second system, and
- in a longitudinal direction of the terminal unit, the first motor terminal and the second motor terminal are located between the terminal part and the electronic component,
- the second motor terminal is arranged inside a part of the wiring part of the second system in the radial direction,
- the wiring part of a second system is drawn to the terminal part and bypasses the second motor terminal,
- in a radial direction, the terminal part and the electronic component are arranged and opposing each other,
- a surface at the plate side of the electronic component is arranged at the holder side with respect to a surface of the plate of the motor body in a rotary shaft direction,
- an outer peripheral end portion of the frame and an outer peripheral end portion of the holder facing each other are non-fitted in the rotary shaft direction,
- a surface of the plate and a surface of the holder facing each other are non-fitted in the rotary shaft direction,
- a part of a surface of the first motor-side terminal piece facing the first motor terminal protrudes,
- a recess portion or a hole portion is provided at a surface of the first motor terminal facing a part of the surface of the first motor-side terminal piece,
- the part of the surface of the first motor-side terminal piece and the surface of the first motor terminal are fitted,
- the holder includes an external terminal plug-in part,
- a direction that an external terminal being inserted to the external terminal plug-in part intersects a direction that the first motor terminal extends.
21 more elements
Dependencies are inferred from the claim text.