US3077872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection system
Assignee: Georgia Tech Research Institute
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Filing: 1961-07-17
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Granted: 1963-02-19
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Robert L Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:38
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/20; F02M59/30; F02D; F02D1/00; F02D1/02; F02D1/06; F02D1/065; F02M41/00; F02M41/02; F02M41/06; F02M59/02; F02M59/04; F02M59/06; F02M61/00; F02M61/04; F02M61/08; F02M69/00; F04; F04B; F04B1/00; F04B1/04; F04B1/053; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86115; Y10T137/86493; Y10T137/86501; Y10T137/86911; Y10T137/87917; Y10T137/87981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A FLUID INJECTION SYSTEM INCLUDING A FLUID FUEL SUPPLY, AT LEAST ONE FUEL INJECTION NOZZLE, A FLUID DELIVERY LINE FROM SAID SUPPLY TO SAID NOZZLE, METERING MEANS IN SAID LINE FOR CONTROLLING THE RATE OF FLUID FLOW FROM SAID SUPPLY TO SAID NOZZLE, AND VARIABLE-VOLUME PRESSURE-RESPONSIVE MEANS IN COMMUNICATION WITH SAID LINE AND BIASED TO MAINTAIN CONSTANT PRESSURE ABOVE A PREDETERMINED MINIMUM FOR MAINTAINING STABLE PRESSURE CONDITIONS THROUGHOUT SAID SYSTEM.
Claim 2
Dependent Claim
70 words
A FLUID INJECTION SYSTEM INCLUDING A FLUID FUEL SUPPLY, AT LEAST ONE FUEL INJECTION NOZZLE, A FLUID DELIVERY LINE FROM SAID SUPPLY TO SAID NOZZLE, METERING MEANS IN SAID LINE FOR CONTROLLING THE RATE OF FLUID FLOW FROM SAID SUPPLY TO SAID NOZZLE, AND VARIABLE-VOLUME PRESSURE-RESPONSIVE MEANS IN COMMUNICATION WITH SAID LINE AND BIASED TO MAINTAIN CONSTANT PRESSURE ABOVE A PREDETERMINED MINIMUM FOR MAINTAINING STABLE PRESSURE CONDITIONS THROUGHOUT SAID SYSTEM.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |