US3238768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet engine analyzer
Assignee: RTX Corp
•
Filing: 1963-02-19
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Granted: 1966-03-08
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Donald V Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:48
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/24; F; F02; F02C; F02C9/00; F02C9/26; F02C9/28; G06G7/48; G06G7/64; G06G7/70
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
AN ANALYZER FOR A JET ENGINE HAVING AN INTAKE DIFFUSER OUTLET AND A LOW-PRESSURE AND A HIGH-PRESSURE SPOOL INCLUDING IN COMBINATION MEANS FOR PROVIDING A FIRST SIGNAL IN ACCORD WITH THE RATIO OF TWO ENGINE PRESSURES ONE OF WHICH IS AT SAID OUTLET AND THE OTHER OF WHICH IS DOWNSTREAM THEREOF, MEANS RESPONSIVE TO THE FIRST SIGNAL FOR PROVIDING A SECOND SIGNAL IN ACCORD WITH THE EXPECTED ROTATIONAL VELOCITY OF THE HIGH-PRESSURE SPOOL FOR AN ENGINE IN NORMAL CONDITION OPERATING WITH A STANDARD TEMPERATURE AT SAID OUTLET, MEANS FOR PROVIDING A THIRD SIGNAL IN ACCORD WITH THE ACTUAL ROTATIONAL VELOCITY OF THE HIGHPRESSURE SPOOL, MEANS RESPONSIVE TO THE TEMPERATURE AT SAID OUTLET FOR CORRECTING THE THIRD SIGNAL TO SAID STANDARD TEMPERATURE THEREBY TO PROVIDE A FOURTH SIGNAL, AND MEANS RESPONSIVE TO THE SECOND AND FOURTH SIGNALS FOR DETERMINING A DEVIATION IN THE ROTATIONAL VELOCITY OF THE HIGHPRESSURE SPOOL.
References Cited (Backward Citations)
US2792685A
Cited
US3033042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |