US3123283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-icing valve means
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:24
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/047; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162; F01D25/00; F01D25/02; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/56; F04D29/563; F04D29/58; F04D29/582; F04D29/584; F04D29/66; F04D29/68; F04D29/681; F04D29/684; F05; F05D; F05D2240/00; F05D2240/10; F05D2240/12; F05D2240/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
IN A COMPRESSOR FOR A GAS TURBINE ENGINE, A VANE ASSEMBLY COMPRISING, A COMPRESSOR CASING, A PLURALITY OF HOLLOW VANES EXTENDING RADIALLY INWARD FROM SAID CASING, A HOLLOW SPINDLE ON AN END OF EACH OF SAID VANES, THE INTERIOR OF EACH OF SAID SPINDLES COMMUNICATING WITH THE INTERIOR OF THE RESPECTIVE VANE, A PLURALITY OF RADIALLY EXTENDING CYLINDRICAL PASSAGES IN SAID COMPRESSOR EACH RECEIVING ONE OF SAID SPINDLES FOR ROTATION THEREIN, EACH OF SAID VANES AND ITS ASSOCIATED SPINDLE BEING ROTATABLE BETWEEN A FIRST POSITION AND A SECOND POSITION, A FIRST PORT IN THE WALL OF EACH OF SAID RADIALLY EXTENDING PASSAGES, MEANS SUPPLYING HIGH TEMPERATURE FLUID TO EACH OF SAID FIRST PORTS, A SECOND PORT IN THE WALL OF EACH OF SAID SPINDLES COMMUNICATING WITH INTERIOR OF SAID SPINDLE, EACH PAIR OF FIRST AND SECOND PORTS ALIGNED TO FORM A MAXIMUM AREA OPENING WHEN SAID VANES ARE IN SAID FIRST POSITION AND MISALIGNED TO FORM A MINIMUM AREA OPENING WHEN SAID VANES ARE IN SAID SECOND POSITION, WHEREBY THE HIGH TEMPERATURE FLUID IS DIRECTED TO THE INTERIOR OF EACH OF SAID VANES THROUGH DIFFERENT AREA OPENINGS WHEN SAID VANES ARE IN SAID FIRST POSITION AND IN SAID SECOND POSITION.
Claim 2
Dependent Claim
200 words
IN A COMPRESSOR FOR A GAS TURBINE ENGINE, A VANE ASSEMBLY COMPRISING, A COMPRESSOR CASING, A PLURALITY OF HOLLOW VANES EXTENDING RADIALLY INWARD FROM SAID CASING, A HOLLOW SPINDLE ON AN END OF EACH OF SAID VANES, THE INTERIOR OF EACH OF SAID SPINDLES COMMUNICATING WITH THE INTERIOR OF THE RESPECTIVE VANE, A PLURALITY OF RADIALLY EXTENDING CYLINDRICAL PASSAGES IN SAID COMPRESSOR EACH RECEIVING ONE OF SAID SPINDLES FOR ROTATION THEREIN, EACH OF SAID VANES AND ITS ASSOCIATED SPINDLE BEING ROTATABLE BETWEEN A FIRST POSITION AND A SECOND POSITION, A FIRST PORT IN THE WALL OF EACH OF SAID RADIALLY EXTENDING PASSAGES, MEANS SUPPLYING HIGH TEMPERATURE FLUID TO EACH OF SAID FIRST PORTS, A SECOND PORT IN THE WALL OF EACH OF SAID SPINDLES COMMUNICATING WITH INTERIOR OF SAID SPINDLE, EACH PAIR OF FIRST AND SECOND PORTS ALIGNED TO FORM A MAXIMUM AREA OPENING WHEN SAID VANES ARE IN SAID FIRST POSITION AND MISALIGNED TO FORM A MINIMUM AREA OPENING WHEN SAID VANES ARE IN SAID SECOND POSITION, WHEREBY THE HIGH TEMPERATURE FLUID IS DIRECTED TO THE INTERIOR OF EACH OF SAID VANES THROUGH DIFFERENT AREA OPENINGS WHEN SAID VANES ARE IN SAID FIRST POSITION AND IN SAID SECOND POSITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |