The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 30, 1987

Filed:

Sep. 20, 1985
Applicant:
Inventors:

Takemi Ueda, Takefu, JP;

Norio Umezawa, Takefu, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310268 ; 310 51 ; 310 89 ;
Abstract

In an axial gap type coreless electric motor, a frame bracket (16), which is disposed facing a field magnet (12) with a rotary armature (14) inserted in between, has radial ribs (19) formed outside thereof and disposed radially from a central part to a peripheral part of the frame bracket. The ribs are tapered, with their heights and widths gradually narrowed from the center part to the peripheral parts of the frame bracket.


Find Patent Forward Citations

Ueda, Takemi. (1987). Axial gap type coreless electric motor with noise reduction (U.S. Patent No. 4677335). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4677335

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…