US3556675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbomachinery rotor with integral shroud
Assignee: General Electric Co
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Filing: 1969-01-29
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Granted: 1971-01-19
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Expires: 1989-01-29
Abstract
Abstract A FAN ROTOR IS SHOWN AND COMPRISES COMPOSITE MATERIAL AND BLADES MOUNTED BY TANGS ON A DISC. THE OUTER ENDS OF THE BLADES ARE RECEIVED BY SOCKETS IN A TIP SHROUD IN THE FORM OF A HOOP. THE HOOP COMPRISES AN INNER BAND OF HOMOGENEOUS MATERIAL ABOUT WHICH IS A WOUND FILAMENT BAND OF COMPOSITE MATERIAL. UPON REMOVAL OF RETAINERS AT THE INNER ENDS OF THE TANGS, INDIVIDUAL BLADES MAY BE SHIFTED RADIALLY INWARDLY FOR REMOVAL FROM THE ROTOR.
Inventors
- 👤 Werner E Howald
- 👤 Max W Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:05
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/32; F01D5/323; F01D21/00; F01D21/04; F01D21/045; F01D5/12; F01D5/22; F01D5/225; F04; F04D; F04D29/00; F04D29/02; F04D29/023; F04D29/26; F04D29/32; F04D29/321; F05; F05D; F05D2220/00; F05D2220/30; F05D2220/32; F05D2220/327; F05D2230/00; F05D2230/60; F05D2230/64; F05D2300/00; F05D2300/10; F05D2300/12; F05D2300/121; F05D2300/40; F05D2300/43; F05D2300/60; F05D2300/603; F05D2300/6032; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |