Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MOTOR SHAFT, ROTOR, MOTOR AND BLOWER
Document Type and Number:
WIPO Patent Application WO/2019/189339
Kind Code:
A1
Abstract:
This cylindrical motor shaft (9) that forms the rotary shaft of a motor has a region (23) to be processed, a helical groove (10), and a reverse helical groove (11) that intersects with the helical groove (10) at at least one place. The region to be processed (23) is provided in the cylindrical shape from one end (20a) on the bottom surface (20) side to the other end (21b) on the top surface (21) side. The helical groove (10) is provided so as to surround at least one turn the outer circumferential surface of the region (23) to be processed. The reverse helical groove (11) is provided so as to surround, in the reverse direction of the helical groove (10), the outer circumferential surface of the region (23) to be processed.

Inventors:
MORISHITA MOTOHIRO
MURAO SATORU
SATOU MUNETADA
ISHIDA RYUTARO
Application Number:
PCT/JP2019/013148
Publication Date:
October 03, 2019
Filing Date:
March 27, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02K15/14; H02K1/27; H02K15/02
Foreign References:
JPH0993842A1997-04-04
JPH0471351A1992-03-05
JP2013106360A2013-05-30
JP2004514387A2004-05-13
JPH04347549A1992-12-02
JP2001314067A2001-11-09
JPH0670479U1994-09-30
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
Download PDF: