Commutator motor

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C310S154010

Reexamination Certificate

active

07368843

ABSTRACT:
A commutator motor includes a stator and a rotor, and the stator includes a stator yoke and a field magnet. The field magnet is fixed onto the inner peripheral surface of the substantially cylindrical stator yoke. The stator yoke is configured by coaxially stacking a plurality of plate-like annular bodies, and the annular bodies are fixedly connected to each other by caulking at a caulking portion disposed on the annular body. In manufacture, the length of the stator yoke in the axial direction can be arbitrarily changed with the thickness of the annular body in the axial direction as a minimum unit. In case of manufacturing various stator yokes that are different in the axial length, the necessity of replacing a manufacturing machine is eliminated, thereby providing a commutator motor having the stator yoke which is low in the manufacturing costs.

REFERENCES:
patent: 2850653 (1958-09-01), Naul
patent: 5142178 (1992-08-01), Kloster et al.
patent: 5847903 (1998-12-01), Ogawa et al.
patent: 5920139 (1999-07-01), Fujiwara et al.
patent: 6104109 (2000-08-01), Sato
patent: 2 209 878 (1989-05-01), None
patent: S63-143036 (1988-09-01), None
patent: 4244773 (1992-09-01), None
patent: 11122889 (1999-04-01), None
patent: 2002064950 (2002-02-01), None
patent: 2002171700 (2002-06-01), None
patent: WO 02 075900 (2002-09-01), None
Chinese Office Action, Appln. No. 03158845.X, dated Jun. 2, 2006, 6 pgs., with English translation.
Japanese Office Action, Appln. No. 2002-286275, mailed Jul. 4, 2006, 2 pgs., with English translation.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Commutator motor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Commutator motor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Commutator motor will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2793685

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.