US3086357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supersonic flow control device
Assignee: Mithras Inc
•
Filing: 1959-04-30
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Granted: 1963-04-23
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Expires: 1979-04-30
Abstract
No abstract record available.
Inventors
- 👤 Eugene S Rubin
- 👤 Don H Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:33
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S239/00; Y10S239/03; Y10T; Y10T137/00; Y10T137/0536; Y10T137/0645; Y10T137/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A SUPERSONIC FLOW DEVICE HAVING AN INLET PASSAGE, AN INLET DIFFUSER FOR OPERATION AT SUPERSONIC VELOCITY WITH RESPECT TO THE ATMOSPHERE SURROUNDING SAID DIFFUSER COMPRISING A PASSAGE, A NOZZLE POSITIONED WITHIN SAID PASSAGE, A SOURCE OF GAS CONNECTED WITH SAID NOZZLE, MEANS FOR EJECTING GAS AT SUPERSONIC VELOCITY FROM SAID NOZZLE TO FORM A VIRTUAL INNERBODY, SPIKE LIKE IN SHAPE, EXTENDING FORWARDLY FROM WITHIN SAID PASSAGE, THE INTERACTION OF SAID VIRTUAL INNERBODY WITH SAID ATMOSPHERE INITIATING AN OBLIQUE SHOCK WAVE, AND MEANS TO CONTROL THE FLOW OF GAS TO SAID NOZZLE TO PRODUCE VARIATIONS IN THE LENGTH OF SAID VIRTUAL INNERBODY WHEREBY SAID OBLIQUE SHOCK WAVE IS POSITIONED TO INTERCEPT THE PERIPHERY OF SAID INLET DIFFUSER.
Claim 2
Dependent Claim
117 words
IN A SUPERSONIC FLOW DEVICE HAVING AN INLET PASSAGE, AN INLET DIFFUSER FOR OPERATION AT SUPERSONIC VELOCITY WITH RESPECT TO THE ATMOSPHERE SURROUNDING SAID DIFFUSER COMPRISING A PASSAGE, A NOZZLE POSITIONED WITHIN SAID PASSAGE, A SOURCE OF GAS CONNECTED WITH SAID NOZZLE, MEANS FOR EJECTING GAS AT SUPERSONIC VELOCITY FROM SAID NOZZLE TO FORM A VIRTUAL INNERBODY, SPIKE LIKE IN SHAPE, EXTENDING FORWARDLY FROM WITHIN SAID PASSAGE, THE INTERACTION OF SAID VIRTUAL INNERBODY WITH SAID ATMOSPHERE INITIATING AN OBLIQUE SHOCK WAVE, AND MEANS TO CONTROL THE FLOW OF GAS TO SAID NOZZLE TO PRODUCE VARIATIONS IN THE LENGTH OF SAID VIRTUAL INNERBODY WHEREBY SAID OBLIQUE SHOCK WAVE IS POSITIONED TO INTERCEPT THE PERIPHERY OF SAID INLET DIFFUSER.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |