US3230710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine
Assignee: Garrett Corp
•
Filing: 1962-12-24
•
Granted: 1966-01-25
•
Expires: 1982-12-24
Abstract
No abstract record available.
Inventors
- 👤 Robert R Van Nimwegen
- 👤 Montgomerie C Steele
- 👤 Curtis E Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:23
CPC Classifications
F; F16; F16C; F16C27/00; F16C27/04; F01; F01D; F01D25/00; F01D25/16; F01D25/162; F01D25/164; F01D5/00; F01D5/02; F01D5/08; F01D5/081; F01D5/082; F02; F02C; F02C3/00; F02C3/04; F02C3/08; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C2360/00; F16C2360/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A GAS TURBINE ENGINE: (A) A ONE-PIECE TURBINE WHEEL HAVING A HUB PORTION; (B) A GENERALLY OUTWARDLY TAPERING DISK BODY PROJECTING RADIALLY FROM SAID HUB PORTION, THE PERIPHERY OF SAID BODY BEING FLARED TO FORM A RIM; (C) A PLURALITY OF CIRCUMFERENTIALLY SPACED BLADES PROJECTING RADIALLY FROM SAID RIM FOR IMPINGEMENT BY GASES AT HIGH TEMPERATURE FROM A COMBUSTOR TO EFFECT TURBINE OPERATION, SAID BODY HAVING A CIRCULAR ROW OF OPENINGS EXTENDING THROUGH THE FLARED PORTION IMMEDIATELY INSIDE SAID RIM, THE LATTER BEING INTERRUPTED AT PREDETERMINED INTERVALS BY SLOTS EXTENDING INTO CERTAIN OPENINGS; AND (D) MEANS FOR CONDUCTING COMPRESSED AIR FROM A SOURCE THEREOF AND DIRECTING IT AGAINST THE BODY OF SAID WHEEL ADJACENT THE JUNCTURE OF SAID TAPERING AND FLARED PORTIONS TO REDUCE THE FLOW OF HEAT THROUGH SAID BODY TOWARD SAID HUB.
Claim 2
Dependent Claim
135 words
IN A GAS TURBINE ENGINE: (A) A ONE-PIECE TURBINE WHEEL HAVING A HUB PORTION; (B) A GENERALLY OUTWARDLY TAPERING DISK BODY PROJECTING RADIALLY FROM SAID HUB PORTION, THE PERIPHERY OF SAID BODY BEING FLARED TO FORM A RIM; (C) A PLURALITY OF CIRCUMFERENTIALLY SPACED BLADES PROJECTING RADIALLY FROM SAID RIM FOR IMPINGEMENT BY GASES AT HIGH TEMPERATURE FROM A COMBUSTOR TO EFFECT TURBINE OPERATION, SAID BODY HAVING A CIRCULAR ROW OF OPENINGS EXTENDING THROUGH THE FLARED PORTION IMMEDIATELY INSIDE SAID RIM, THE LATTER BEING INTERRUPTED AT PREDETERMINED INTERVALS BY SLOTS EXTENDING INTO CERTAIN OPENINGS; AND (D) MEANS FOR CONDUCTING COMPRESSED AIR FROM A SOURCE THEREOF AND DIRECTING IT AGAINST THE BODY OF SAID WHEEL ADJACENT THE JUNCTURE OF SAID TAPERING AND FLARED PORTIONS TO REDUCE THE FLOW OF HEAT THROUGH SAID BODY TOWARD SAID HUB.
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |