US4011847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel supply system
Assignee: Individual
•
Filing: 1974-08-23
•
Granted: 1977-03-15
•
Expires: 1994-08-23
Abstract
Abstract A fuel supply system for internal combustion engines wherein a supply of liquid petroleum is vaporized primarily by atmospheric air from an outside source which is released below the liquid surface. The air may be pressurized by a compressor, or the like, or may be pulled through a direct, filtered intake by engine vacuum. In either case, it is released through holes in tubing below the liquid to rise to the top and be conducted directly to the carburetor or engine intake manifold. The usual liquid fuel line, with fuel pump and carburetor is also provided for selective use in place of the vaporization system.
Inventors
- 👤 Robert D. Fortino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:12
CPC Classifications
F; F02; F02M; F02M13/00; F02M13/02; F02M17/00; F02M17/18; F02M17/20; F02M17/22; Y; Y10; Y10S; Y10S261/00; Y10S261/83
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
255 words
An internal combustion engine including a fuel supply system having a tank for liquid fuel and a line for supply thereof to a carburetor adapted to provide an atomized fuel charge to the engine cylinder for combustion therein, said system comprising: a. an auxiliary tank containing liquid fuel; b. first and second intake means for atmospheric air; c. first and second outlet means communicating with said first and second intake means, respectively, and both arranged within said auxiliary tank for escape of the air from said first intake means below the level of liquid fuel and from said second intake means above the level of liquid fuel therein; d. a vaporized fuel supply line connected between the upper side of said auxiliary tank and the carburetor of the engine, said vaporized fuel supply line including internal means for creating turbulance in the vapor flowing therethrough; e. first and second valve means movable between fully open and closed positions and respectively arranged in the liquid and vaporized fuel supply lines; and f. control means actuable to move one of said valve means to the open position and the other of said valve means to the closed position alternately, with each successive actuation of said control means; g. an air filter and an air intake valve associated with said second intake means, said intake valve being biased to a normally closed position and movable to an open position to admit air into the upper portion of said auxiliary tank in response to pressure therein falling below atmosphere.
Claim 2
Dependent Claim
255 words
An internal combustion engine including a fuel supply system having a tank for liquid fuel and a line for supply thereof to a carburetor adapted to provide an atomized fuel charge to the engine cylinder for combustion therein, said system comprising: a. an auxiliary tank containing liquid fuel; b. first and second intake means for atmospheric air; c. first and second outlet means communicating with said first and second intake means, respectively, and both arranged within said auxiliary tank for escape of the air from said first intake means below the level of liquid fuel and from said second intake means above the level of liquid fuel therein; d. a vaporized fuel supply line connected between the upper side of said auxiliary tank and the carburetor of the engine, said vaporized fuel supply line including internal means for creating turbulance in the vapor flowing therethrough; e. first and second valve means movable between fully open and closed positions and respectively arranged in the liquid and vaporized fuel supply lines; and f. control means actuable to move one of said valve means to the open position and the other of said valve means to the closed position alternately, with each successive actuation of said control means; g. an air filter and an air intake valve associated with said second intake means, said intake valve being biased to a normally closed position and movable to an open position to admit air into the upper portion of said auxiliary tank in response to pressure therein falling below atmosphere.
Claim 3
Dependent Claim
24 words
The invention according to claim 1 and further including compressor means for providing air to said first outlet means at higher than atmospheric pressure.
Claim 4
Dependent Claim
36 words
The invention according to claim 2 and further including means for deactuating said compressor means in response to movement of the one of said valve means in said vaporized fuel supply line to the closed position.
Claim 5
Dependent Claim
32 words
The invention according to claim 1 wherein both said outlet means comprises a length of hollow tubing communicating with said intake means and having a plurlity of openings along the length thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-14 | 1980-09-13 | 1981-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-14 | 1984-09-13 | 1985-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-14 | 1988-09-13 | 1989-03-15 | $7700.00 | Window Closed / Lapsed |