US3319641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed setting mechanism and trimming means therefor
Assignee: RTX Corp
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Filing: 1964-04-27
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Granted: 1967-05-16
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Charles F Stearns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:22
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/46; F02C9/28; F02K; F02K3/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/1007; Y10T137/1044; Y10T137/108; Y10T137/1171; Y10T137/8593; Y10T137/86919; Y10T137/877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
FOR A FUEL CONTROL ADAPTED TO CONTROL THE ROTATIONAL SPEED OF A ROTATING MEMBER IN A POWER PLANT, A PILOT LEVER, MEANS CONNECTED TO SAID PILOT LEVER INCLUDING A FIRST ORIFICE, A SECOND ORIFICE AND A THIRD ORIFICE ESTABLISHING A SIGNAL EQUIVALENT TO THE POSITION OF THE PILOT LEVER, SAID FIRST ORIFICE BEING SERIALLY CONNECTED TO SAID SECOND ORIFICE WHEN SAID ROTATING MEMBER IS ROTATING AT A FIRST PREDETERMINED SPEED, AND SAID FIRST ORIFICE BEING SERIALLY CONNECTED TO SAID THIRD ORIFICE WHEN SAID ROTATING MEMBER IS AT A SECOND PREDETERMINED SPEED, ADJUSTING MEANS IN SAID THIRD AND SECOND ORIFICES ADAPTED TO VARY THE AREA THEREOF FOR INDEPENDENTLY RESETTING SAID SIGNAL AT SAID FIRST PREDETERMINED SPEED AND SAID SECOND PREDETERMINED SPEED.
Claim 2
Dependent Claim
120 words
FOR A FUEL CONTROL ADAPTED TO CONTROL THE ROTATIONAL SPEED OF A ROTATING MEMBER IN A POWER PLANT, A PILOT LEVER, MEANS CONNECTED TO SAID PILOT LEVER INCLUDING A FIRST ORIFICE, A SECOND ORIFICE AND A THIRD ORIFICE ESTABLISHING A SIGNAL EQUIVALENT TO THE POSITION OF THE PILOT LEVER, SAID FIRST ORIFICE BEING SERIALLY CONNECTED TO SAID SECOND ORIFICE WHEN SAID ROTATING MEMBER IS ROTATING AT A FIRST PREDETERMINED SPEED, AND SAID FIRST ORIFICE BEING SERIALLY CONNECTED TO SAID THIRD ORIFICE WHEN SAID ROTATING MEMBER IS AT A SECOND PREDETERMINED SPEED, ADJUSTING MEANS IN SAID THIRD AND SECOND ORIFICES ADAPTED TO VARY THE AREA THEREOF FOR INDEPENDENTLY RESETTING SAID SIGNAL AT SAID FIRST PREDETERMINED SPEED AND SAID SECOND PREDETERMINED SPEED.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |