US3146769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection system
Assignee: Simmonds Precision Products Inc
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Filing: 1962-03-30
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Granted: 1964-09-01
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Leon H Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:55
CPC Classifications
F; F02; F02M; F02M59/00; F02D; F02D13/00; F02D13/02; F02D13/04; F02M59/02; F02M59/04; F02M2700/00; F02M2700/13; F02M2700/1317
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES INCLUDING AN ENGINE, AN INTAKE MANIFOLD POSITIONED THEREON, A THROTTLE BODY HAVING AIR THROTTLE MEANS SECURED TO SAID MANIFOLD, FIRST SWITCH MEANS CARRIED BY SAID THROTTLE BODY AND ARRANGED TO BE ACTUATED BY SAID AIR THROTTLE MEANS, A HYDRAULIC FUEL PUMP INCLUDING FUEL SUPPLY MEANS PROVIDED WITH A HOUSING ASSOCIATED WITH SAID ENGINE AND SAID THROTTLE BODY, SOLENOID OPERATED VALVE MEANS FOR CONTROLLING SAID FUEL SUPPLY MEANS MOUNTED ON SAID HOUSING, SAID VALVE MEANS BEING ARRANGED TO CUT OFF THE FUEL SUPPLY WHEN THE SOLENOID IS ENERGIZED, AND TWO SPEED RESPONSIVE SWITCH MEANS ON SAID HOUSING, SAID SOLENOID VALVE BEING ARRANGED TO BE ENERGIZED BY ONE OF SAID SWITCHES AT A PREDETERMINED SPEED AND BY THE OTHER OF SAID SWITCH MEANS AT A DIFFERENT PREDETERMINED SPEED, WHEN THE THROTTLE MEANS IS CLOSED.
Claim 2
Dependent Claim
141 words
IN A FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES INCLUDING AN ENGINE, AN INTAKE MANIFOLD POSITIONED THEREON, A THROTTLE BODY HAVING AIR THROTTLE MEANS SECURED TO SAID MANIFOLD, FIRST SWITCH MEANS CARRIED BY SAID THROTTLE BODY AND ARRANGED TO BE ACTUATED BY SAID AIR THROTTLE MEANS, A HYDRAULIC FUEL PUMP INCLUDING FUEL SUPPLY MEANS PROVIDED WITH A HOUSING ASSOCIATED WITH SAID ENGINE AND SAID THROTTLE BODY, SOLENOID OPERATED VALVE MEANS FOR CONTROLLING SAID FUEL SUPPLY MEANS MOUNTED ON SAID HOUSING, SAID VALVE MEANS BEING ARRANGED TO CUT OFF THE FUEL SUPPLY WHEN THE SOLENOID IS ENERGIZED, AND TWO SPEED RESPONSIVE SWITCH MEANS ON SAID HOUSING, SAID SOLENOID VALVE BEING ARRANGED TO BE ENERGIZED BY ONE OF SAID SWITCHES AT A PREDETERMINED SPEED AND BY THE OTHER OF SAID SWITCH MEANS AT A DIFFERENT PREDETERMINED SPEED, WHEN THE THROTTLE MEANS IS CLOSED.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |