General Information

Serial #

627908

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

SHUNT WOUND DC MOTOR, DC GENERATOR, FLEXIBLE SHAFT COUPLING, WOODEN MOUNTING FRAME, FIELD COIL STEP RESISTOR FOR SPEED CONTROL/OUTPUT VOLTAGE

Dimensions

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

Length

170.5 cm

Width

34.0 cm

Height

46.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Energy-electric

Category

Generation

Sub-Category

N/A

Manufacturer

AKA

General Electric

Country

United States of America

State/Province

New York

City

Schenectady

Context

Country

North America

State/Province

Unknown

Period

THIS TYPE OF MOTOR & GENERATOR SET USED BETWEEN C. 1905-1920

Canada

PART OF A LARGE AND VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED & DOCUMENTED BY ONTARIO HYDRO IN 1960S. THIS COLLECTION CONSISTS OF OVER 7500 ARTIFACTS, AND IS THOUGHT TO BE THE LARGEST & MOST COMPREHENSIVE IN CANADA. IT WAS DONATED IN ITS ENTIRETY TO THE NATIONAL MUSEUM OF SCIENCE & TECHNOLOGY IN 1992.

Function

TO CONVERT 100 VOLTS DIRECT CURRENT TO 2000 VOLTS DIRECT CURRENT.

Technical

AN EXAMPLE OF THE MACHINERY REQUIRED TO CONVERT DIRECT CURRENT LINE VOLTAGE TO A DIFFERENT VOLTAGE, IN THIS CASE 100 VOLTS DC TO 2000 VOLTS DC. USING ALTERNATING CURRENT POWER DISTRIBUTION AND 1990S TECHNOLOGY THE TOTAL PACKAGE COULD TODAY BE REDUCED TO A UNIT 6" X 6" X 8".

Area Notes

Unknown

Details

Markings

MFR'S PLATE ON CASING TOP READS: 'DIRECT CURRENT MOTOR/ NO. 627908 WOUND SHUNT/ TYPE CQ 1/2 FORM G110/ VOLTS 70/140 AMP. 11 H.P..9/ 1/2 HOUR RATING/ SPEED 2800 H.P..9/ PATENTED MAY 12, 1903 DEC. 1, 1903/ GENERAL ELECTRIC CO./ SCHENECTADY, N.Y. U.S.A.'. PLATE FASTENED ABOVE MFR'S READS: 'PROPERTY OF/ ELECTRICAL TESTING LABORATORIES/ NEW YORK./ SERIAL NO. EE11'/ PLATE BELOW MFR'S READS: 'PART NUMBERS/ CARBON BRUSH CAT. 164280/ COMM.END B'R'G L'N'G CAT. 64970/ PULLEY END. B'R'G L'N'G CAT. 64970/ ARMATURE SPEC. 55333/ MAIN FIELD COILSPEC. 49000/ COMM. POLE COIL SPEC. [BLANK]/ WHEN ORDERING PARTS ALWAYS GIVE/ SERIAL NUMBERS OF MACHINE'/ 4 connecting terminals labelled " A ", " A ", " F ", " F " respectively./ Control switch mounted at motor end of unit labelled " - IN R=34.5 w ".

Missing

NONE. BEARINGS SEIZED ON MOTOR

Finish

BLACK ENAMEL. MOTOR AND GENERATOR WINDINGS, VARNISHED

Decoration

N/A