US4494487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine efficiency unit
Assignee: Individual
•
Filing: 1979-09-24
•
Granted: 1985-01-22
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Expires: 1999-09-24
Abstract
Abstract An engine efficiency device is provided for use in conjunction with an internal combustion engine having an air intake means, such as a carburetor, for mixing fuel with the inducted air to form a combustible charge for the engine. The engine efficiency device comprises a source of petroleum distillates and a pump which feeds the petroleum distillates from the source and into the inducted air flow to the engine continuously during the operation of the engine. In the preferred form of the invention, the petroleum distillate is an aliphatic petroleum naptha-mineral spirit produced by the process of alkylation.
Inventors
- 👤 John Nixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:50
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/04; F02M35/042
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
114 words
For use in conjunction with an internal combustion engine having an air intake means for inducting an air flow into the engine, a fuel source and fuel mixing means for forming a combustible charge from fuel from the fuel source with the inducted air flow for the engine, a device for improving the efficiency of the engine comprising: a source consisting of liquid petroleum distillates, said source of distillates being separate from said fuel source, said distillates having the general formula of C n H 2n+2 , and means separate from said fuel mixing means for continuously feeding the petroleum distillate from said source into said inducted air flow during operation of the engine.
Claim 2
Dependent Claim
114 words
For use in conjunction with an internal combustion engine having an air intake means for inducting an air flow into the engine, a fuel source and fuel mixing means for forming a combustible charge from fuel from the fuel source with the inducted air flow for the engine, a device for improving the efficiency of the engine comprising: a source consisting of liquid petroleum distillates, said source of distillates being separate from said fuel source, said distillates having the general formula of C n H 2n+2 , and means separate from said fuel mixing means for continuously feeding the petroleum distillate from said source into said inducted air flow during operation of the engine.
Claim 3
Dependent Claim
65 words
The invention as defined in claim 1 wherein said feeding means further comprises a nozzle having an inlet and an outlet, said nozzle outlet being open to said air flow, a fluid pump having an inlet and an outlet, first means for fluidly connecting the pump inlet to the source of distillates and second means for fluidly connecting the pump outlet to the nozzle inlet.
Claim 4
Dependent Claim
27 words
The invention as defined in claim 2 and further comprising flow regulator means for limiting the rate of fluid flow from said pump and to said nozzle.
Claim 5
Dependent Claim
51 words
The invention as defined in claim 2 wherein said engine includes an air cleaner upstream from the fuel mixing means, said air cleaner having a housing with an interior chamber, and wherein said nozzle is mounted to the air cleaner housing and has its outlet open to the air cleaner chamber.
Claim 6
Dependent Claim
45 words
The invention as defined in claim 4 wherein the lower portion of said air cleaner housing forms a reservoir in which excess petroleum distillate from the nozzle is collected, said device further comprising means for returning petroleum distillate from said reservoir and to said source.
Claim 7
Dependent Claim
51 words
The invention as defined in claim 5 wherein said air cleaner housing includes an air inlet, said device further comprising a porous and absorbent member mounted within said air cleaner housing between said air inlet and said air intake means, said absorbent member being at least partially positioned within said reservoir.
Claim 8
Dependent Claim
27 words
The invention as defined in claim 5 and including means for selectively deactivating said feeding means when the petroleum distillate in said reservoir exceeds a predetermined level.
Claim 9
Dependent Claim
52 words
The invention as defined in claim 7 wherein said deactivating means comprises a fuel level sensor positioned in said reservoir and a solenoid shut off valve fluidly connected to said means for fluidly connecting said pump to said nozzle, said fluid level sensor being operatively connected to said solenoid shut off valve.
Claim 10
Dependent Claim
38 words
The invention as defined in claim 8 and further comprising time delay means operatively connected to said solenoid shut off valve to shut off said valve for a predetermined period of time following start up of the engine.
Claim 11
Dependent Claim
32 words
The invention as defined in claim 1 wherein said distillate is a hydrocarbon having a formula of C n H 2n+2 and wherein n is in the range of ten to thirteen.
References Cited (Backward Citations)
US1476701A
Cited
US1566332A
Cited
US1640711A
Cited
US1640291A
Cited
US2182874A
Cited
US2216477A
Cited
US2262013A
Cited
US2323721A
Cited
US2644440A
Cited
US3174472A
Cited
US3743258A
Cited
US3722837A
Cited
US3864105A
Cited
US4096829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-22 | 1988-07-23 | 1989-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-22 | 1992-07-23 | 1993-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-22 | 1996-07-23 | 1997-01-22 | $7700.00 | Window Closed / Lapsed |