US3266516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifier relay for pneumatic systems
Assignee: Elsag Bailey Inc
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Filing: 1962-12-18
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Granted: 1966-08-16
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Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Charles V Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:25
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/38; G01F1/386; F; F15; F15C; F15C4/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN AMPLIFIER RELAY FOR A VANE AND NOZZLE FLUID PRESSURE COUPLE, COMPRISING IN COMBINATION, A FIRST CHAMBER HAVING A FIRST PRESSURE SENSITIVE MOVABLE WALL, A SUPPLY AND AN EXHAUST VALVE FOR ADMITTING PRESSURE FLUID TO AND EXHAUSTING PRESSURE FLUID FROM SAID CHAMBER POSITIONED BY SAID MOVABLE WALL, A SECOND CHAMBER HAVING A SECOND PRESSURE SENSITIVE MOVABLE WALL OPERATIVELY CONNECTED TO THE FIRST PRESSURE SENSITIVE MOVABLE WALL TO ASSIST THE FIRST PRESSURE SENSITIVE MOVABLE WALL IN POSITIONING SAID SUPPLY AND EXHAUST VALVES, A RESTRICTED CONNECTION BETWEEN A SOURCE OF FLUID PRESSURE AND SAID SECOND CHAMBER, A RESTRICTED CONNECTION BETWEEN SAID SECOND CHAMBER AND THE ATMOSPHERE, A THIRD CHAMBER HAVING A THIRD PRESSURE SENSITIVE MOVABLE WALL OPERATIVELY CONNECTED TO FIRST PRESSURE SENSITIVE MOVABLE WALL TO OPPOSE THE FIRST PRESSURE SENSITIVE MOVABLE WALL IN POSITIONING SAID SUPPLY AND EXHAUST VALVE, A RESTRICTED CONNECTION BETWEEN THE SOURCE OF FLUID PRESSURE AND SAID SAID THIRD CHAMBER AND A CONNECTION BETWEEN SAID THIRD CHAMBER AND THE NOZZLE OF THE CONTROL COUPLE.
Claim 2
Dependent Claim
165 words
AN AMPLIFIER RELAY FOR A VANE AND NOZZLE FLUID PRESSURE COUPLE, COMPRISING IN COMBINATION, A FIRST CHAMBER HAVING A FIRST PRESSURE SENSITIVE MOVABLE WALL, A SUPPLY AND AN EXHAUST VALVE FOR ADMITTING PRESSURE FLUID TO AND EXHAUSTING PRESSURE FLUID FROM SAID CHAMBER POSITIONED BY SAID MOVABLE WALL, A SECOND CHAMBER HAVING A SECOND PRESSURE SENSITIVE MOVABLE WALL OPERATIVELY CONNECTED TO THE FIRST PRESSURE SENSITIVE MOVABLE WALL TO ASSIST THE FIRST PRESSURE SENSITIVE MOVABLE WALL IN POSITIONING SAID SUPPLY AND EXHAUST VALVES, A RESTRICTED CONNECTION BETWEEN A SOURCE OF FLUID PRESSURE AND SAID SECOND CHAMBER, A RESTRICTED CONNECTION BETWEEN SAID SECOND CHAMBER AND THE ATMOSPHERE, A THIRD CHAMBER HAVING A THIRD PRESSURE SENSITIVE MOVABLE WALL OPERATIVELY CONNECTED TO FIRST PRESSURE SENSITIVE MOVABLE WALL TO OPPOSE THE FIRST PRESSURE SENSITIVE MOVABLE WALL IN POSITIONING SAID SUPPLY AND EXHAUST VALVE, A RESTRICTED CONNECTION BETWEEN THE SOURCE OF FLUID PRESSURE AND SAID SAID THIRD CHAMBER AND A CONNECTION BETWEEN SAID THIRD CHAMBER AND THE NOZZLE OF THE CONTROL COUPLE.
References Cited (Backward Citations)
US2974674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |