Motor

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OBJECT TYPE
AC/INDUCTION/1/10 HP
DATE
1900
ARTIFACT NUMBER
1992.2147.001
MANUFACTURER
Century Electric Co.
MODEL
INVINCIBLE
LOCATION
St. Louis, Missouri, United States of America

More Information


General Information

Serial #
10726-S
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
CAST IRON, STEEL, COPPER, AND POSSIBLY OTHER METAL MATERIALS OF CONSTRUCTION. FABRIC COVERING ON ELECTRICAL CONNECTIONS.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
21.0 cm
Width
16.0 cm
Height
18.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Energy-electric
Category
Conversion
Sub-Category
N/A

Manufacturer

AKA
Century
Country
United States of America
State/Province
Missouri
City
St. Louis

Context

Country
North America
State/Province
Unknown
Period
THIS TYPE OF MOTOR PRESUMABLY USED C. 1900+
Canada
THIS TYPE OF MOTOR USED IN CANADA, GENERALLY, FOR HOUSEHOLD APPLIANCES.
Function
TO CONVERT ELECTRICAL INTO MECHANICAL ENERGY.
Technical
THE FIRSTINDUCTION MOTORS WERE DEVELOPED BY THE WESTINGHOUSE COMPANY FROM 1888 TO 1892. THE SINGLE-PHASE TYPE HAS NO INHERENT STARTING TORQUE. VARIOUS WAYS WERE DEVISED TO BRING IT UP TO SPEED. THEY ARE BASED ON 'SPLITTING THE PHASE". THIS CONSISTS OF TEMPORARILY PRODUCING A SUBSTITUTE FOR A 2-PHASE CURRENT SO AS TO OBTAIN A MAKESHIFT OR BASTARD ROTATING FIELD IN STARTING BY DOCTORING THE SINGLE PHASE. WHEN THE MOTOR HAS COME TO SPEED, THE MAKESHIFT SECOND PHASE IS CUT OUT AND THE MOTOR THEN RUNS ON THE SINGLE PHASE. THERE ARE SEVERAL METHODS OF SPLITTING THE PHASE, INCLUDING USING A STARTING WINDING, OR SHADING COILS. (REF. 1)
Area Notes
Unknown

Details

Markings
Mfr's plate on motor housing reads " "Invincible"/ SPLIT PHASE MOTOR/ MANUFACTURED BY/ CENTURY ELECTRIC CO./ ST. LOUIS, U.S.A./ FRAME S-4 H.P. 1/10 CYCLES 25/ VOLTS 110 AMPERES 2.5 SPEED 1460/ NO. 10726-S/ PATENTED JAN. 30, 1900/ PATENT PENDING". Green dymo tape label on motor housing reads "MF4-8". "CENTURY" cast in raised print on one side of motor casing, above shaft.
Missing
UNKNOWN.
Finish
DARK GREY ENAMEL FINISH ON MOST EXTERIOR SURFACES.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Century Electric Co., Motor, after 1900, Artifact no. 1992.2147, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2147.001/

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