Patent US3079904A successfully refreshed from Google Patents.
US3079904A
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US
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Fuel distributor with acceleration enrichment
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1961-03-20
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Granted: 1963-03-05
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Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 Harold R Scibbe
- 👤 James A Hilgendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:00
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/20; F02M59/30; F02M41/00; F02M41/02; F02M41/06; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A FUEL SUPPLY MECHANISM FOR AN ENGINE FUEL INJECTION SYSTEM COMPRISING A VARIABLE DELIVERY FUEL PUMP, A DISTRIBUTOR CONNECTED TO RECEIVE FUEL FROM THE PUMP FOR DISTRIBUTING THE FUEL TO FUEL INJECTORS, A FUEL CONDUIT MEANS CONNECTED BETWEEN THE PUMP AND DISTRIBUTOR FOR THE FLOW OF FUEL FROM THE PUMP TO THE DISTRIBUTOR, AN EXPANSIBLE ENRICHMENT CHAMBER COMMUNICATING WITH SAID FUEL CONDUIT MEANS FOR FILLING WITH FUEL FROM THE PUMP AND MEANS OPERABLE DURING OPERATION OF THE SUPPLY MECHANISM SELECTIVELY DISCHARGING FUEL FROM SAID EXPANSIBLE ENRICHMENT CHAMBER BACK INTO SAID CONDUIT MEANS FOR TEMPORARILY INCREASING THE FUEL QUANTITY DELIVERED TO THE INJECTORS.
Claim 2
Dependent Claim
102 words
A FUEL SUPPLY MECHANISM FOR AN ENGINE FUEL INJECTION SYSTEM COMPRISING A VARIABLE DELIVERY FUEL PUMP, A DISTRIBUTOR CONNECTED TO RECEIVE FUEL FROM THE PUMP FOR DISTRIBUTING THE FUEL TO FUEL INJECTORS, A FUEL CONDUIT MEANS CONNECTED BETWEEN THE PUMP AND DISTRIBUTOR FOR THE FLOW OF FUEL FROM THE PUMP TO THE DISTRIBUTOR, AN EXPANSIBLE ENRICHMENT CHAMBER COMMUNICATING WITH SAID FUEL CONDUIT MEANS FOR FILLING WITH FUEL FROM THE PUMP AND MEANS OPERABLE DURING OPERATION OF THE SUPPLY MECHANISM SELECTIVELY DISCHARGING FUEL FROM SAID EXPANSIBLE ENRICHMENT CHAMBER BACK INTO SAID CONDUIT MEANS FOR TEMPORARILY INCREASING THE FUEL QUANTITY DELIVERED TO THE INJECTORS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |