US4509953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel blended with alcohol for diesel engine
Assignee: Komatsu Ltd
•
Filing: 1983-05-31
•
Granted: 1985-04-09
•
Expires: 2003-05-31
Abstract
Abstract A fuel blended with alcohol for use in a diesel engine, which comprises a petroleum fuel, ethanol, and gasoline as a mutual solvent for said petroleum fuel and ethanol.
Inventors
- 👤 Koichiro Itow
- 👤 Kunihiko Komiyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/02; C10L1/026; F; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A fuel for use in a diesel engine, which consisting essentially of: (a) 70-90% by volume of a petroleum fuel selected from the group consisting of gas oil and heavy oil, said volume being based on the volume of petroleum fuel and ethyl alcohol; (b) ethyl alcohol in an amount of 10-30% by volume based on the volume of petroleum fuel and ethyl alcohol; and (c) gasoline as a mutual solvent for said petroleum fuel and ethyl alcohol in an amount up to 30% by volume based on the total volume of the fuel, said gasoline being present in an amount sufficient to maintain the fuel in a single phase solution.
Claim 2
Dependent Claim
111 words
A fuel for use in a diesel engine, which consisting essentially of: (a) 70-90% by volume of a petroleum fuel selected from the group consisting of gas oil and heavy oil, said volume being based on the volume of petroleum fuel and ethyl alcohol; (b) ethyl alcohol in an amount of 10-30% by volume based on the volume of petroleum fuel and ethyl alcohol; and (c) gasoline as a mutual solvent for said petroleum fuel and ethyl alcohol in an amount up to 30% by volume based on the total volume of the fuel, said gasoline being present in an amount sufficient to maintain the fuel in a single phase solution.
References Cited (Backward Citations)
US1496810A
Cited
US1699355A
Cited
US2194495A
Cited
US4395267A
Cited
US4405337A
Cited
US4398920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-04-08 | 1988-10-08 | 1989-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-08 | 1992-10-08 | 1993-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-08 | 1996-10-08 | 1997-04-09 | $7700.00 | Window Closed / Lapsed |