Patent US3192848A successfully refreshed from Google Patents.
US3192848A
Expired / Lapsed
US
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Air flow control system
Assignee: Garrett Corp
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Filing: 1962-06-21
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Granted: 1965-07-06
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Richard W Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:50
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; B64D13/04; F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/75; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
APPARATUS FOR CONTROLLING THE SUPPLY OF BLEED AIR IN ACCORDANCE WITH PREDETERMINED REQUIREMENTS TO A MAIN SUPPLY DUCT FROM A JET ENGINE HAVING INTERMEDIATE AND HIGH-PRESSURE COMPRESSOR STAGES CONNECTED TO THE DUCT, COMPRISING: (A) A FIRST VALVE FOR CONTROLLING THE FLOW FROM THE HIGHPRESSURE STAGE INTO THE MAIN SUPPLY DUCT; (B) MEANS FOR MAINTAINING SAID FIRST VALVE IN A NORMALLY CLOSED POSITION; (C) A SECOND VALVE FOR CONTROLLING THE AIR FLOW FROM THE INTERMEDIATE STAGE INTO THE MAIN SUPPLY DUCT;
Claim 2
Dependent Claim
80 words
APPARATUS FOR CONTROLLING THE SUPPLY OF BLEED AIR IN ACCORDANCE WITH PREDETERMINED REQUIREMENTS TO A MAIN SUPPLY DUCT FROM A JET ENGINE HAVING INTERMEDIATE AND HIGH-PRESSURE COMPRESSOR STAGES CONNECTED TO THE DUCT, COMPRISING: (A) A FIRST VALVE FOR CONTROLLING THE FLOW FROM THE HIGHPRESSURE STAGE INTO THE MAIN SUPPLY DUCT; (B) MEANS FOR MAINTAINING SAID FIRST VALVE IN A NORMALLY CLOSED POSITION; (C) A SECOND VALVE FOR CONTROLLING THE AIR FLOW FROM THE INTERMEDIATE STAGE INTO THE MAIN SUPPLY DUCT;
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |