Dynamotor

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OBJECT TYPE: DC
DATE: 1940
ARTIFACT NUMBER: 1992.2070.001

MANUFACTURER: PIONEER GEN-E-MOTOR CORP.
MODEL: PS-225
LOCATION: Chicago, Illinois, United States of America

More Information

General Information

Serial #: SS 1313
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: CAST IRON; PROBABLY ALSO STEEL AND COPPER COMPONENTS.

Dimensions

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

Length: 17.0 cm
Width: 11.0 cm
Height: 15.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Energy-electric
Category: Regulation & transformation
Sub-Category: N/A

Manufacturer

AKA: PIONEER
Country: United States of America
State/Province: Illinois
City: Chicago

Context

Country: United States of America
State/Province: Unknown
Period: THIS TYPE OF DYNAMOTOR PROBABLY USED IN 1940S.
Canada: Unknown
Function: TO CONVERT AC TO DC POWER.
Technical: DURING 1940-1941 GE DEVELOPED MORE FRACTIONAL HORSEPOWER MOTORS FOR THE USE OF THE US ARMY THAN IN ANY PREVIOUS YEAR. THEY STATED THAT "SINCE MODERN WAR IS MECHANISED WAR, IT FOLLOWS THAT INNUMERABLE SHAPES AND TYPES OF SMALL MOTORS ARE REQUIRED TO OPERATE AND CONTROL THE MECHANISED EQUIPMENT." TO FURTHER FACILITATE THE USE OF DC/AC DEVICES A VARIETY OF DYNAMOTORS, A ROTATING ELECTRICAL MACHINE WITH TWO OR MORE WINDINGS ON A SINGLE ARMATURE CONTAINING A COMMUTATOR FOR DC OPERATION AND SLIP RINGS FOR AC OPERATION HAD BEEN DEVELOPED. (REF. 1)
Area Notes: Unknown

Details

Markings: Plate on dynamotor casing top reads "DYNAMOTOR/ TYPE PS-225 SS 1313 KS-5558-12/ CONTINUOUS DUTY/ D.C. INPUT/ V. 28/ A. 3.2/ D.C. OUTPUT V. 375/ A..150 R.P.M. 4800/ MANUFACTURED FOR/ GRAYBAR ELECTRIC CO. INC./ U.S.A./ BY PIONEER GEN-E-MOTOR CORP./ CHICAGO, ILL., U.S.A.". White adhesive label on casing top bears handwritten text, and reads "173" & "753". Second plate mounted on base reads "SIGNAL CORPS U.S. ARMY/ DYNAMOTOR UNIT BD-AL-93/ SERIAL NO. 1923 ORDER NO. 200-NY-41 DATE 7-26-40/ MADE BY/ GraybaR/ ELECTRIC COMPANY, INC./ NEW YORK N.Y.". Decal, to left of plate, reads "Ref. 146 &/ Ref. 152/ replaced". "SC/357/A" stamped on one end. "9184" STAMPED INTO CASING, BELOW MFR'S PLATE.
Missing: UNKNOWN.
Finish: SMOOTH AND PEBBLE-TEXTURED BLACK ENAMEL EXTERIOR FINISH.
Decoration: N/A

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

PIONEER GEN-E-MOTOR CORP., Dynamotor, circa 1940, Artifact no. 1992.2070, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1992.2070.001/

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