Patent US3108434A successfully refreshed from Google Patents.
US3108434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engines
Assignee: Rolls Royce PLC
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Filing: 1960-04-25
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Granted: 1963-10-29
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Expires: 1980-04-25
Abstract
No abstract record available.
Inventors
- 👤 Morley Frederick Willia Walton
- 👤 Donald M Anley
- 👤 Geoffrey P Torrance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:43
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/04; F02C6/06; F02C6/08; F02C9/00; F02C9/26; F02C9/263; F02C9/28; F23; F23N; F23N5/00; F23N5/02; F05; F05D; F05D2270/00; F05D2270/30; F05D2270/303; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1819; Y10T137/8593; Y10T137/877; Y10T137/87788; Y10T137/87812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
GAS FLOW CONTROL APPARATUS COMPRISING A HOT GAS CONVEYING DUCT, FIRST AND SECOND BRANCH CONDUITS HAVING A COMMON JUNCTION WITH SAID DUCT, VALVE MEANS AT THE JUNCTION OF THE DUCT AND CONDUITS CONSTRUCTED TO SELECTIVELY CLOSE EITHER ONE OF SAID CONDUITS AND SIMULTANEOUSLY OPEN THE OTHER OF SAID CONDUITS, AN ACTUATOR FOR ADJUSTING THE POSITION OF SAID VALVE MEANS, A FUSIBLE MEMBER EXPOSED TO THE HOT GAS IN SAID DUCT AND CONSTRUCTED TO DISINTEGRATE WHEN THE GAS TEMPERATURE EXCEEDS A PREDETERMINED VALVE, SAID MEMBER POSITIVELY CONNECTING THE ACTUATOR OF SAID VALVE MEANS, AND SPRING BIASING MEANS INTERCONNECTING SAID ACTUATOR AND SAID VALVE MEANS IN PARALLEL TO SAID FUSIBLE MEMBER, SAID BIASING MEANS BEING ARRANGED TO ADJUST SAID VALVE MEANS TO CLOSE SAID FIRST CONDUIT ONLY WHEN SAID FUSIBLE MEMBER DISINTERGRATES AND IRRESPECTIVE OF THE POSITION OF SAID ACTUATOR.
Claim 2
Dependent Claim
138 words
GAS FLOW CONTROL APPARATUS COMPRISING A HOT GAS CONVEYING DUCT, FIRST AND SECOND BRANCH CONDUITS HAVING A COMMON JUNCTION WITH SAID DUCT, VALVE MEANS AT THE JUNCTION OF THE DUCT AND CONDUITS CONSTRUCTED TO SELECTIVELY CLOSE EITHER ONE OF SAID CONDUITS AND SIMULTANEOUSLY OPEN THE OTHER OF SAID CONDUITS, AN ACTUATOR FOR ADJUSTING THE POSITION OF SAID VALVE MEANS, A FUSIBLE MEMBER EXPOSED TO THE HOT GAS IN SAID DUCT AND CONSTRUCTED TO DISINTEGRATE WHEN THE GAS TEMPERATURE EXCEEDS A PREDETERMINED VALVE, SAID MEMBER POSITIVELY CONNECTING THE ACTUATOR OF SAID VALVE MEANS, AND SPRING BIASING MEANS INTERCONNECTING SAID ACTUATOR AND SAID VALVE MEANS IN PARALLEL TO SAID FUSIBLE MEMBER, SAID BIASING MEANS BEING ARRANGED TO ADJUST SAID VALVE MEANS TO CLOSE SAID FIRST CONDUIT ONLY WHEN SAID FUSIBLE MEMBER DISINTERGRATES AND IRRESPECTIVE OF THE POSITION OF SAID ACTUATOR.
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |