US3098626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for starting gas turbine power plants
Assignee: Lockheed Martin Corp
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Filing: 1960-11-21
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Granted: 1963-07-23
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Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Messinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:14
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/26; F02C7/268; F02C7/275; F02C7/277
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
AN ENGINE SYSTEM FOR MULTI-ENGINE AIRCRAFT COMPRISING, AN AIRCRAFT SELF-CONTAINED SOURCE OF PRESSURIZED AIR CARRIED ON THE AIRCRAFT, EACH ENGINE HAVING A STARTER UNIT, MAIN DUCTING MEANS CONNECTING THE SELFCONTAINED SOURCE TO THE STARTER UNIT ON A FIRST ENGINE OF THE AIRCRAFT, ENGINE BLEED AIR DUCTING CONNECTING BLEED AIR FROM A SECOND ENGINE OF THE AIRCRAFT TO THE MAIN DUCTING MEANS FOR SUPPLYING PRESSURIZED ENGINE BLEED AIR TO THE STARTER MEANS OF THE FIRST ENGINE, DUCTING CONNECTED TO THE MAIN DUCTING FOR DETACHABLY CONNECTING A GROUND SOURCE OF PRESSURIZED AIR INDEPENDENT OF THE AIRCRAFT TO THE STARTER UNIT OF THE FIRST ENGINE, VALVE MEAND INCLUDED IN THE MAIN DUCTING FOR SELECTIVELY CONNECTING THE MAIN DUCTING WITH AIR SUPPLIED FROM THE AIRCRAFT SOURCE, THE GROUND SOURCE AND THE SECOND ENGINE BLEED AIR SOURCE RESPECTIVELY, AND AN AIRBORNE COMPRESSOR AND DUCTING MEANS CONNECTED TO THE SELF-CONTAINED SOURCE FOR RECHARGING THE SOURCE, AND MEANS CONNECTING THE BLEED AIR DUCTING TO THE COMPRESSOR FOR SELECTIVE AIRBORNE OPERATION OF THE COMPRESSOR WHILE IN AIRCRAFT FLIGHT.
Claim 2
Dependent Claim
170 words
AN ENGINE SYSTEM FOR MULTI-ENGINE AIRCRAFT COMPRISING, AN AIRCRAFT SELF-CONTAINED SOURCE OF PRESSURIZED AIR CARRIED ON THE AIRCRAFT, EACH ENGINE HAVING A STARTER UNIT, MAIN DUCTING MEANS CONNECTING THE SELFCONTAINED SOURCE TO THE STARTER UNIT ON A FIRST ENGINE OF THE AIRCRAFT, ENGINE BLEED AIR DUCTING CONNECTING BLEED AIR FROM A SECOND ENGINE OF THE AIRCRAFT TO THE MAIN DUCTING MEANS FOR SUPPLYING PRESSURIZED ENGINE BLEED AIR TO THE STARTER MEANS OF THE FIRST ENGINE, DUCTING CONNECTED TO THE MAIN DUCTING FOR DETACHABLY CONNECTING A GROUND SOURCE OF PRESSURIZED AIR INDEPENDENT OF THE AIRCRAFT TO THE STARTER UNIT OF THE FIRST ENGINE, VALVE MEAND INCLUDED IN THE MAIN DUCTING FOR SELECTIVELY CONNECTING THE MAIN DUCTING WITH AIR SUPPLIED FROM THE AIRCRAFT SOURCE, THE GROUND SOURCE AND THE SECOND ENGINE BLEED AIR SOURCE RESPECTIVELY, AND AN AIRBORNE COMPRESSOR AND DUCTING MEANS CONNECTED TO THE SELF-CONTAINED SOURCE FOR RECHARGING THE SOURCE, AND MEANS CONNECTING THE BLEED AIR DUCTING TO THE COMPRESSOR FOR SELECTIVE AIRBORNE OPERATION OF THE COMPRESSOR WHILE IN AIRCRAFT FLIGHT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |