Brush device, electric motor with brush device, and manufacturing method of brush device
AssigneeDenso Corporation
InventorTakashi HIRABAYASHI
Life of this patent
Estimating the term…
Abstract
In order to facilitate the assembly of the brush assembly and to improve the productivity, the brush device includes a positive side brush subassembly having a positive side brush for feeding a commutator, a positive side brush holder for holding the positive side brush, and a positive side plate to which the positive side brush holder is attached, and a negative side brush subassembly having a negative side brush for feeding the commutator, a negative side brush holder for holding the negative side brush, and a negative side plate to which the negative side brush holder is attached. The positive side brush subassembly and the negative side brush subassembly are combined with each other.
Claims7
A brush device comprising:
- a positive side brush sub-assembly having a positive side brush for feeding a commutator, a positive side brush holder for holding the positive side brush, and a positive side plate to which the positive side brush holder is attached, and
- a negative side brush sub-assembly having a negative side brush for feeding the commutator, a negative side brush holder for holding the negative side brush, and a negative side plate to which the negative side brush holder is attached, wherein
- the positive side brush sub-assembly and the negative side brush sub-assembly are combined with each other.
An electric motor with a brush device comprising:
- the brush device including:
- a positive side brush sub-assembly having a positive side brush for feeding a commutator, a positive side brush holder for holding the positive side brush, and a positive side plate to which the positive side brush holder is attached, and
- a negative side brush sub-assembly having a negative side brush for feeding the commutator, a negative side brush holder for holding the negative side brush, and a negative side plate to which the negative side brush holder is attached, wherein
- the positive side brush sub-assembly and the negative side brush sub-assembly are combined with each other.
Method for manufacturing a brush device, comprising:
- arranging a cylindrical jig, for regulating inner diameter side positions of a positive side brush and a negative side brush, in a brush inner diameter side of a positive side brush sub-assembly and a side brush sub-assembly, and
- assembling the positive side brush sub-assembly and the negative side brush sub-assembly by moving and bringing the positive side brush sub-assembly and the negative side brush sub-assembly close to each other in an axial direction of the cylindrical jig.
Dependencies are inferred from the claim text.