GB902444A - Two-speed synchronous induction motor - Google Patents
Two-speed synchronous induction motorInfo
- Publication number
- GB902444A GB902444A GB3699860A GB3699860A GB902444A GB 902444 A GB902444 A GB 902444A GB 3699860 A GB3699860 A GB 3699860A GB 3699860 A GB3699860 A GB 3699860A GB 902444 A GB902444 A GB 902444A
- Authority
- GB
- United Kingdom
- Prior art keywords
- poles
- slots
- squirrel
- induction motor
- speed synchronous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/14—Synchronous motors having additional short-circuited windings for starting as asynchronous motors
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Induction Machinery (AREA)
Abstract
902,444. Squirrel-cage rotors. ALLISCHALMERS MANUFACTURING CO. Oct. 27, 1960 [Nov. 2, 1959; Jan. 12, 1960], No. 36998/60. Class 35. In a squirrel-cage rotor similar to that disclosed in Specification 771,669, in which poles 18 are divided by deep slots 20, 23 to suppress quadrature flux, additional auxiliary poles 18a are also provided to enable the motor to synchronize at double the pole number, the stator having appropriate change-pole connections. The winding slots 25, grooves 19, and slots 20, 23 are all filled with conducting material, e.g. aluminium, connected to end-rings 27. The additional poles 18a may be narrower than the main poles, as shown, or of equal width. In a modification, Fig. 6, the primary poles 18 are subdivided by pairs of slots 35.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US850403A US2989655A (en) | 1959-11-02 | 1959-11-02 | Two speed synchronous motor |
US2013A US3016482A (en) | 1960-01-12 | 1960-01-12 | Two speed synchronous induction motor |
Publications (1)
Publication Number | Publication Date |
---|---|
GB902444A true GB902444A (en) | 1962-08-01 |
Family
ID=26669791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3699860A Expired GB902444A (en) | 1959-11-02 | 1960-10-27 | Two-speed synchronous induction motor |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH367240A (en) |
GB (1) | GB902444A (en) |
-
1960
- 1960-10-27 GB GB3699860A patent/GB902444A/en not_active Expired
- 1960-11-02 CH CH1224460A patent/CH367240A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH367240A (en) | 1963-02-15 |
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