US3089970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine having an air guide and method of assembling the same
Assignee: Carrier Corp
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Filing: 1959-11-02
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Granted: 1963-05-14
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Expires: 1979-11-02
Abstract
No abstract record available.
Inventors
- 👤 Milton C Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:18
CPC Classifications
H; H02; H02K; H02K9/00; H02K9/02; H02K9/04; H02K9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A DYNAMOELECTRIC MACHINE, A HOUSING, A STATOR AND A ROTOR WITHIN SAID HOUSING, AN IMPELLER ROTATABLE WITH SAID ROTOR, MEANS INTERNALLY OF SAID HOUSING DEFINING AN INWARDLY OPENING GROOVE HAVING A PREDETERMINED DEPTH, AND AN AIR GUIDE POSITIONED WITHIN SAID HOUSING AND RESILIENTLY EXPANDED IN SAID GROOVE, SAID AIR GUIDE BEING ADAPTED TO BE ELASTICALLY REDUCED IN EXTERNAL DIAMETER TO AN EXTENT GREATER THAN THE PREDETERMINED DEPTH OF SAID GROOVE SO THAT IT MAY BE PASSED BY SAID MEANS DEFINING SAID GROOVE AND BE POSITIONED AND EXPANDED TO FIT SECURELY WITHIN SAID GROOVE.
Claim 2
Dependent Claim
94 words
IN A DYNAMOELECTRIC MACHINE, A HOUSING, A STATOR AND A ROTOR WITHIN SAID HOUSING, AN IMPELLER ROTATABLE WITH SAID ROTOR, MEANS INTERNALLY OF SAID HOUSING DEFINING AN INWARDLY OPENING GROOVE HAVING A PREDETERMINED DEPTH, AND AN AIR GUIDE POSITIONED WITHIN SAID HOUSING AND RESILIENTLY EXPANDED IN SAID GROOVE, SAID AIR GUIDE BEING ADAPTED TO BE ELASTICALLY REDUCED IN EXTERNAL DIAMETER TO AN EXTENT GREATER THAN THE PREDETERMINED DEPTH OF SAID GROOVE SO THAT IT MAY BE PASSED BY SAID MEANS DEFINING SAID GROOVE AND BE POSITIONED AND EXPANDED TO FIT SECURELY WITHIN SAID GROOVE.
References Cited (Backward Citations)
US2286584A
Cited
US2809307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |