Motor

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Ingenium, 1992.2168.001
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OBJECT TYPE: DC/SHUNT/10 HP
DATE: 1916
ARTIFACT NUMBER: 1992.2168.001

MANUFACTURER: General Electric Co.
MODEL: RF 11/A12
LOCATION: Schenectady, New York, United States of America

More Information

General Information

Serial #: 1187818
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. WOODEN BASE, AND SOME MINOR FITTINGS. COATED FABRIC COVERING ON WIRES, WINDINGS, ETC. BRUSHES APPEAR TO BE CARBON.

Dimensions

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

Length: 120.0 cm
Width: 78.0 cm
Height: 80.0 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: General Electric
Country: United States of America
State/Province: New York
City: Schenectady

Context

Country: United States of America
State/Province: Unknown
Period: THIS TYPE OF MOTOR PRESUMABLY USED C. 1916+
Canada: THIS TYPE OF MOTOR USED IN CANADA, IN COMMERICAL AND INDUSTRIAL APPLICATIONS. (REF. 1)
Function: TO CONVERT ELECTRICAL INTO MECHANICAL ENERGY.
Technical: RF MOTORS HAVE A SPECIAL FORM OF COMPENSATING WINDING, GIVING EXTRAORDINARY ELECTRICAL STABILITY TO THE MOTOR, ELIMINATING ALMOST ALL COMMUTATION DIFFICULTIES AND PERMITTING EXTREMELY RAPID SPEED CHANGES. IN 1920S AC MOTORS BEGAN TO GAIN POPULARITY FOR INDUSTRIAL USE: DC MOTORS REMAINED IN USE IN APPLICATIONS REQUIRING ADJUSTABLE AND/OR PRECISE SPEED CONTROL. (REF. 1)
Area Notes: Unknown

Details

Markings: Mfr's plate on motor casing reads "DIRECT CURRENT MOTOR/ NO. 1187818 WOUND SHUNT/ TYPE RF 11 FORM A12 VOLTS 220/ OPEN CONTINUOUS H.P. [blank] AMP. [blank] SPEED [blank]/ [blank] CLOSED H.P. [blank] AMP. [blank] SPEED [blank]/ OPEN INTERMITANT H.P. 10 AMP. 40.3 SPEED 600 1800/ [blank] CLOSED H.P. [blank] AMP. [blank] SPEED [blank]/ 2 HRS. 40 [degrees]C [blank]/ PAT. OCT. 13, 1903 DEC. 11, 1903 JULY 13, 1909 FEB. 22, 1916/ GENERAL ELECTRIC COMPANY/ SCHENECTADY/ N.Y., U.S.A./ N.P. 15422"./ Plate on motor casing top reads "PART NUMBERS/ BRUSH CAT. 1331347/ COMM. END B'R'G L'L'G 1331107/ PULLEY END B'R'G L'N'G CAT. 1331397/ ARMATURE COIL SPEC. 59431A/ MAIN FIELD COIL SPEC./ 185832-1/ COMM. FIELD COIL SPEC. 185833-31/ COMPENSATING FIELD COIL SPEC. 185834-3/ WHEN ORDERING OTHER PARTS ALWAYS GIVE/ SERIAL NUMBER OF MACHINE/ N.P. 14587"./ Plate fixed to casing reads "CAUTION/ USE/ NO/ LUBRICANT/ ON/ THE/ COMMUTATOR"./ 2 red plates fixed to connection box read :"1/ARM/2" and "1/FIELD/2".
Missing: UNKNOWN.
Finish: DARK GREY ENAMEL FINISH ON MOST EXTERIOR SURFACES. SOME METAL COMPONENTS HAVE NATURAL FINISH. SELECTED FITTINGS PAINTED ORANGE. COVERING ON WIRES, WINDINGS, ETC. IS BLACK.
Decoration: N/A

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

General Electric Co., Motor, after 1916, Artifact no. 1992.2168, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2168.001/

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