US3176380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling a dynamoelectric machine
Assignee: General Electric Co
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Filing: 1961-11-28
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Granted: 1965-04-06
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Expires: 1981-11-28
Abstract
No abstract record available.
Inventors
- 👤 Lawrance W Wightman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:28
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A METHOD OF ASSEMBLYING A DYNAMOELECTRIC MACHINE HAVING A STATOR, A ROTOR, AND A HOUSING RIGIDLY SUPPORTING SAID STATOR AND ROTATABLY SUPPORTING SAID ROTOR COMPRISING THE STEPS OF ASSEMBLING SAID ROTOR AND SAID STATOR IN THEIR PREDETERMINED CONCENTRIC RELATIONSHIP, INSERTING AN ANNULAR, CORRUGATED, MELTABLE NON-METALLIC SHIM MEMBER IN THE AIR GAP BETWEEN SAID STATOR AND SAID ROTOR AT EACH END THEREOF TO MAINTAIN THEM IN CONCENTRIC RELATIONSHIP WITH SAID SHIM MEMBER HAVING A MELTING POINT BELOW THE TEMPERATURE AT WHICH TEMPERATURE SENSITIVE MACHINE PARTS ARE DELETERIOUSLY AFFECTED, ASSEMBLING SAID STATOR AND ROTOR IN SAID HOUSING, SECURING SAID STATOR AND HOUSING TOGETHER WHILE MAINTAINING SAID CORRUGATED MELTABLE SHIM MEMBERS IN SAID AIR GAP, AND APPLYING HEAT TO THE ASSEMBLED DYNAMOELECTRIC MACHINE TO LIQUEFY SAID SHIM MEMBERS AND CAUSING SAID LIQUEFIED SHIM MEMBERS TO BE REMOVED FROM SAID AIR GAP TO RELEASE SAID STATOR AND SAID ROTOR RELATIVE TO EACH OTHER, SAID HOUSING FIXEDLY RETAINING SAID PREDETERMINED CONCENTRIC RELATIONSHIP ESTABLISHED BY SAID CORRUGATED SHIM MEMBERS.
Claim 2
Independent Claim
163 words
A METHOD OF ASSEMBLYING A DYNAMOELECTRIC MACHINE HAVING A STATOR, A ROTOR, AND A HOUSING RIGIDLY SUPPORTING SAID STATOR AND ROTATABLY SUPPORTING SAID ROTOR COMPRISING THE STEPS OF ASSEMBLING SAID ROTOR AND SAID STATOR IN THEIR PREDETERMINED CONCENTRIC RELATIONSHIP, INSERTING AN ANNULAR, CORRUGATED, MELTABLE NON-METALLIC SHIM MEMBER IN THE AIR GAP BETWEEN SAID STATOR AND SAID ROTOR AT EACH END THEREOF TO MAINTAIN THEM IN CONCENTRIC RELATIONSHIP WITH SAID SHIM MEMBER HAVING A MELTING POINT BELOW THE TEMPERATURE AT WHICH TEMPERATURE SENSITIVE MACHINE PARTS ARE DELETERIOUSLY AFFECTED, ASSEMBLING SAID STATOR AND ROTOR IN SAID HOUSING, SECURING SAID STATOR AND HOUSING TOGETHER WHILE MAINTAINING SAID CORRUGATED MELTABLE SHIM MEMBERS IN SAID AIR GAP, AND APPLYING HEAT TO THE ASSEMBLED DYNAMOELECTRIC MACHINE TO LIQUEFY SAID SHIM MEMBERS AND CAUSING SAID LIQUEFIED SHIM MEMBERS TO BE REMOVED FROM SAID AIR GAP TO RELEASE SAID STATOR AND SAID ROTOR RELATIVE TO EACH OTHER, SAID HOUSING FIXEDLY RETAINING SAID PREDETERMINED CONCENTRIC RELATIONSHIP ESTABLISHED BY SAID CORRUGATED SHIM MEMBERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |