Universal electric motor

Details Universal electric motor Universal electric motor

1990-07-11

1993-03-23

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 62, 310 68A, 310 71, 310 72, 310158, 318244, 318538, H02K 500

Patent

active

051967472

ABSTRACT:
In the case of a universal electric motor for any kind of drive, with a stator package, a rotatably mounted rotor with commutator, as well as end shields on both sides that also constitute the bearings for the rotor and a switching ring that can be rotated through predetermined angular amounts and carries the (carbon) brushes, it is proposed to insert into the end shield A a closely fitting anchor block that serves for locking together the two end shields with the intervening stator package; further, the switching ring can be mounted on an external annular end face of the end shield B that also carries the switching strips or switching rails needed for switching between clockwise and counter clockwise rotation, complete with contact areas situated in the plane of the annular end face and suitable for axial contacting, the said contact areas making contact with other axial contact areas on the switching ring to establish connections with the carbon brushes.

REFERENCES:
patent: 2845551 (1958-07-01), Potter
patent: 3369136 (1968-02-01), Sanger
patent: 3440465 (1969-04-01), Pratt
patent: 3462623 (1969-08-01), Batson
patent: 3610975 (1971-10-01), Onjanow
patent: 3699366 (1972-10-01), Wood
patent: 3703646 (1972-11-01), Jacyno
patent: 3829722 (1974-08-01), Rosenthal, Jr.
patent: 4340831 (1982-07-01), Kuhlmann
patent: 4572979 (1986-02-01), Haar
patent: 4613781 (1986-09-01), Sanders
patent: 4748353 (1988-05-01), Klingenstein
patent: 4763031 (1988-08-01), Wang
patent: 4900966 (1990-02-01), Winter
patent: 4978877 (1990-12-01), Quirijnen

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