General Information

Serial #

271664

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

CAST IRON COMMON BASE. BOTH MOTOR & GENERATOR HAVE CAST IRON END BELLS, STATOR & FIELD MOUNTING. STEEL CASE & SHAFTS; BRONZE BEARINGS. ROTOR & ARMATURE HAVE LAMINATED STEEL CORES. THE ROTOR HAS CAST IRON SPIDERS. THE GENERATOR ARMATURE, FIELD & MOTOR STATOR ARE INSULATED COPPER WIRE; MOTOR ROTOR COMPOSED OF COPPER BARS. MOTOR & GENERATOR HAVE STEEL SHAFTS, WITH A SOLID STEEL COUPLING. GENERATOR BRUSH MOUNTING SPIDER IS CAST IRON WITH STEEL BRUSH HOLDER SHAFTS. BRUSH HOLDERS ARE BRONZE, WITH STEEL SPRINGS AND CARBON BRUSHES. MISC. HARDWARE; COPPER WIRE CONNECTORS AND JUMPERS, ETC. COPPER COMMUTATOR, WITH MICA INSULATION.

Dimensions

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

Length

163.0 cm

Width

92.0 cm

Height

80.0 cm

Thickness

N/A

Weight

1224.7

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 C. 1910- 1930.

Canada

PART OF A LARGE & VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED & DOCUMENTED BY ONTARIO HYDRO IN THE 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 25HZ ELECTRICAL ENERGY INTO DIRECT CURRENT ELECTRICAL ENERGY.

Technical

TO REDUCE LENGTH, & USE A SOLID COUPLER RATHER THAN A FLEXIBLE COUPLER, THE GENERATOR IS PROVIDED WITH ONE BEARING, AT THE BRUSH END. THE MOTOR BEARING SUPPORTS THE GENERATOR ARTMATURE AT THE DRIVEN END.

Area Notes

Unknown

Details

Markings

Mfr's plate mounted on casing top reads: " INDUCTION MOTOR/ NO. 271664/ [logo- "P" within circle]/ TYPE 1 4 15A- 750 FORM K/ CYCLES 25 H.P. 15/ AMPERES 38 VOLTS 220/ SPEED NO. LOAD 750 FULL LOAD/ PAT. MAR. 14,'93 SEP. 5,'93 MAR. 20,'94 AUG. 13,'95 MAY 12,'96 AUG. 29,'98 NOV.20,1900 JUNE 25,1901/ APR.1,1902 DEC.2,1902/ GENERAL ELECTRIC CO./ SCHENECTADY, N.Y. U.S.A./ NP 4055 ". " 187257 " cast in raised print on casing.

Missing

APPEARS COMPLETE.

Finish

CASE & BASE PAINTED BLACK. HARDWARE AND MISC. INTERNAL PARTS HAVE NATURAL FINISH.

Decoration

N/A