US3221500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine power plant
Assignee: Individual
•
Filing: 1963-03-22
•
Granted: 1965-12-07
•
Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Charles C Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:20
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
THE COMBINATION COMPRISING A COMPRESSOR HAVING AN AXIAL INLET AND A GENERALLY RADIAL OUTLET, SAID COMPRESSOR HAVING A SHROUD ADJACENT SAID AXIAL INLET AND SAID RADIAL OUTLET, A BODY OF HEAT INSULATING MATERIAL WITHIN SAID SHROUD ADJACENT SAID RADIAL OUTLET, A FIRST BODY OF SOUND ABSORBING MATERIAL ON SAID SHROUD IN JUXTAPOSED RELATION TO SAID FIRST MENTIONED BODY, A SECOND BODY OF SOUND ABSORBING MATERIAL SPACED FROM THE EXTERIOR SURFACE OF SAID FIRST BODY OF SAID SOUND ABSORBING MATERIAL, THE ADJACENT SURFACES OF SAID BODIES OF SOUND ABSORBING MATERIAL BEING SO SHAPED TO DEFINE AN ANNULAR CHAMBER HAVING A FIRST AXIAL PORTION, A SECOND RADIAL PORTION AND A THIRD AXIAL PORTION EXTENDING TO THE AXIAL INLET OF THE COMPRESSOR.
Claim 2
Dependent Claim
119 words
THE COMBINATION COMPRISING A COMPRESSOR HAVING AN AXIAL INLET AND A GENERALLY RADIAL OUTLET, SAID COMPRESSOR HAVING A SHROUD ADJACENT SAID AXIAL INLET AND SAID RADIAL OUTLET, A BODY OF HEAT INSULATING MATERIAL WITHIN SAID SHROUD ADJACENT SAID RADIAL OUTLET, A FIRST BODY OF SOUND ABSORBING MATERIAL ON SAID SHROUD IN JUXTAPOSED RELATION TO SAID FIRST MENTIONED BODY, A SECOND BODY OF SOUND ABSORBING MATERIAL SPACED FROM THE EXTERIOR SURFACE OF SAID FIRST BODY OF SAID SOUND ABSORBING MATERIAL, THE ADJACENT SURFACES OF SAID BODIES OF SOUND ABSORBING MATERIAL BEING SO SHAPED TO DEFINE AN ANNULAR CHAMBER HAVING A FIRST AXIAL PORTION, A SECOND RADIAL PORTION AND A THIRD AXIAL PORTION EXTENDING TO THE AXIAL INLET OF THE COMPRESSOR.
References Cited (Backward Citations)
US869868A
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US2267275A
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US2553867A
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US2587057A
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US2925714A
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US3118278A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |