US2914479A - Upper cylinder lubricant and tune-up solvent composition - Google Patents
Upper cylinder lubricant and tune-up solvent composition Download PDFInfo
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- US2914479A US2914479A US504088A US50408855A US2914479A US 2914479 A US2914479 A US 2914479A US 504088 A US504088 A US 504088A US 50408855 A US50408855 A US 50408855A US 2914479 A US2914479 A US 2914479A
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- volume percent
- gasoline
- tune
- upper cylinder
- engine
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- C10M1/00—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants
- C10M1/08—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants with additives
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Definitions
- the new compositions essentionally comprise about 50 to 90 volume percent of a light lubricating oil extract of aromatic character such as 5W phenol extract and about to 50 volume percent of an oxygenated organic solvent such as a Cellosolve. More particularly, they may include an oil-soluble anti-rust agent of the type comprising a polar group in conjunction with a relatively high molecular weight hydrocarbon group. Depending upon the nature of the particular lubricating oil extract, the inclusion of a small amount of a pour depressant may be desirable.
- the lubricating oil extract is a light aromatic oil which may be derived from a petroleum distillate corresponding approximately to the SAE-S viscosity range.
- the extract may be derived by solvent extraction of light neutral oils, or petroleum fractions of similar viscosity range (SAE-SW to 10W), with phenol or other polar solvents having selective capacity for aromatic hydrocarbons.
- solvents such as liquid sulfur dioxide, furfural, methylethyl ketone, dimethylformamide and the like are suitable.
- the oxygenated organic solvent is an ether alcohol, most advantageously a Cellosolve such as ethylene glycol monoethyl ether, i.e., ethyl Cellosolve.
- a Cellosolve such as ethylene glycol monoethyl ether, i.e., ethyl Cellosolve.
- Other Cellosolves such as the methyl and butyl Cellosolves are suitable.
- the carbitols appear to be less useful since they appear to have appreciably lower solvent power for gasoline gums and lacquers in co-operation with aromatic extracts. For maximum solvency of gasoline gums and lacquers, a ratio of about 75:25 for the aromatic extract component to the oxygenated component is desirable.
- the new compositions contain an oil soluble anti-rust, suitably in the range of about 0.1 to 1.0 percent by weight.
- an oil soluble anti-rust suitably in the range of about 0.1 to 1.0 percent by weight.
- a number of known anti-rusts have value.
- a carboxylic acid type rust inhibitor such as the dimeric or trimeric form of linoleic acid has special value.
- Another example of a suitable anti-rust is a substituted urea such as one of the N-alkyl-N', N'-dicarboxymethyl ureas disclosed in US. Patent No. 2,796,407 to Ellis K.
- Another useful nitrogen containing anti-rust is an inhibitor of the type represented by the fatty acid salts of imidazolines as disclosed and claimed in co-pending application S.N. 525,389, filed July 29, 1955 by Jack A. Williams.
- An example of a commercially available anti-rust that has been found eifective is Alox-85 6 which is a blend of dialkyl dimethylammonium chloride with a mixture of polymerized fatty acids in a mineral oil solvent as a diluent.
- Other useful inhibitors include organic phosphonates and sulfonates such as the preferentially oil soluble mahogany sulfonates, particularly ammonium mahogany sulfonate.
- compositions of the invention For winter use, it may be desirable to incorporate a pour depressant in the compositions of the invention.
- a pour depressant such as the condensation product of chlorinated wax and naphthalene may be used although other known pour depressants, e.g. the acryloids or polymethylacrylate types, are also suitable.
- the new compositions may be used by adding about 0.1 to 5 volume percent to gasoline, conveniently, for example, by adding a 12-ounce can to a tank of gasoline, e.g. about 14 gallons (0.67 volume percent).
- a small volume of the composition e.g. about 12-ounces can be injected directly into the upper part of the carburetor of the engine, i.e. the air horn, while the engine is at a fast idle.
- the rate of addition should be controlled so that the engine continues running in order to avoid too rapid a rate of addition which may cause the engine to stop.
- Anti-rust (Alox 856) Pour depressant a flash of 112 F. and visual acidity (mgs. KOH/ g.) of 3 0.58 mg.
- the product has an initial boiling point of about 270 F. and a 50 percent point of about 700 F.
- Example B imparts considerable improvement in anti-rust properties to the gasoline. This advantage has been borne out in comparison of the new compositions with representative commercial gasolines containing anti-rust inhibitors confirming the superiority of thenew compositions.
- Tests were run in a Lauson engine according to a procedure described in a paper entitled, Evaluating Gasolines for Induction System Gums by C. C. Moore, J. L. Keller, W. C. Kent and F. S. Liggett, presented before the SAE National Fuels and Lubricants Meeting in Tulsa, Oklahoma, held November 4-5, 1954 (available as Preprint No. 406 from the SAE Special Publications Department).
- the test method described correlates very well with full-scale engine tests in measuring 4 undesirable deposits built up in the intake manifold and on the intake valves.
- the efiectiveness of the new composition in reducing deposits in this test is demonstrated by the following data:
- our invention provides low cost compositions of high gum solvency which act to reduce deposits and wear and which impart anti-rust protection without deleterious effect onfuel properties.
- An upper cylinder wall lubricant composition consisting essentially of 75 volume percent of an aromatic extract of a 5W base lubricating oil, 74.3 volume percent ethylene glycol monoethyl ether, 0.25 volume percent dilinoleic acid, 0.25 volume percent kerosene, and 0.2 volume percent of the pourpoint depressant.
- An upper cylinder wall lubricant composition consisting essentially of 75.0 volume percent of a phenol extract of a 5W base lubricating oil, 24.5 volume percent ethylene glycol monoethyl ether, 0.5% of an antirust composition consisting essentially of a dialkyl dimethyl ammonium chloride and a mixture of polymerized fatty acids and a mineral oil diluent.
- An upper cylinder lubricant and tune-up solvent composition capable of introduction into the carburetor of an internal combustion engine while operating, boiling essentially above the boiling range of gasoline, and consisting essentially of about 50 to volume percent of a light aromatic oil extract obtained from the selective solvent extraction of an SAE-5W to 10W petroleum lubricating oil and about 10 to about 50 volume percent of ethylene glycol monoethyl ether.
- a process for removing gum and deposits from the carburetor and upper cylinder chambers and for engine tune-up of an internal combustion engine which comprises introducing into the carburetor of an operating internal combustion engine a composition boiling essentially above the boiling range of gasoline and consisting essentially of about 50 to 90 volume percent of a light aromatic oil extract obtained from the selective solvent extraction of an SAE 5W to 10W petroleum lubricating oil and about 10 to about 50 volume percent of ethylene glycol monoethyl ether, whereby gum and deposits are removed and tune-up is effected while maintaining said engine in operation.
Description
United States Patent cc UPPER CYLINDER LUBRICANT AND TUNE-UP SOLVENT COlVIPOSlTION Theodore B. Tom and Allen E. Brehm, Grilfith, Ind, assignors to Standard Oil Company, Chicago, Ill., a corporation of Indiana N0 Drawing. Application April 26, 1955 Serial No. 504,088
4 Claims. (Cl. 252-51.5)
trends in engine design have tended to make problems.
such as wear, combustion chamber deposits, octane requirement increase in service, and preignition more critical. We have now developed a multi-functional composition that combines effectiveness in removing gum and freeing sticking valves with beneficial properties of anti- Wear and reduction in combustion chamber deposits by gum and lacquer removal. When added to gasoline, the new composition imparts anti-rust properties and also appears to improve the oxidation stability of gasoline as measured by gum forming and oxygen absorption tests.
The new compositions essentionally comprise about 50 to 90 volume percent of a light lubricating oil extract of aromatic character such as 5W phenol extract and about to 50 volume percent of an oxygenated organic solvent such as a Cellosolve. More particularly, they may include an oil-soluble anti-rust agent of the type comprising a polar group in conjunction with a relatively high molecular weight hydrocarbon group. Depending upon the nature of the particular lubricating oil extract, the inclusion of a small amount of a pour depressant may be desirable.
The lubricating oil extract is a light aromatic oil which may be derived from a petroleum distillate corresponding approximately to the SAE-S viscosity range. The extract may be derived by solvent extraction of light neutral oils, or petroleum fractions of similar viscosity range (SAE-SW to 10W), with phenol or other polar solvents having selective capacity for aromatic hydrocarbons. Thus, extracts obtained by solvent extraction with solvents such as liquid sulfur dioxide, furfural, methylethyl ketone, dimethylformamide and the like are suitable.
The oxygenated organic solvent is an ether alcohol, most advantageously a Cellosolve such as ethylene glycol monoethyl ether, i.e., ethyl Cellosolve. Other Cellosolves such as the methyl and butyl Cellosolves are suitable. The carbitols, however, appear to be less useful since they appear to have appreciably lower solvent power for gasoline gums and lacquers in co-operation with aromatic extracts. For maximum solvency of gasoline gums and lacquers, a ratio of about 75:25 for the aromatic extract component to the oxygenated component is desirable.
In a particularly advantageous form of the invention, the new compositions contain an oil soluble anti-rust, suitably in the range of about 0.1 to 1.0 percent by weight. A number of known anti-rusts have value. For example, a carboxylic acid type rust inhibitor such as the dimeric or trimeric form of linoleic acid has special value. Another example of a suitable anti-rust is a substituted urea such as one of the N-alkyl-N', N'-dicarboxymethyl ureas disclosed in US. Patent No. 2,796,407 to Ellis K.
Fields, dated June 18, 1957. Another useful nitrogen containing anti-rust is an inhibitor of the type represented by the fatty acid salts of imidazolines as disclosed and claimed in co-pending application S.N. 525,389, filed July 29, 1955 by Jack A. Williams. An example of a commercially available anti-rust that has been found eifective is Alox-85 6 which is a blend of dialkyl dimethylammonium chloride with a mixture of polymerized fatty acids in a mineral oil solvent as a diluent. Other useful inhibitors include organic phosphonates and sulfonates such as the preferentially oil soluble mahogany sulfonates, particularly ammonium mahogany sulfonate.
For winter use, it may be desirable to incorporate a pour depressant in the compositions of the invention.
For example, about 0.1 to 1.0 percent of a pour depressant such as the condensation product of chlorinated wax and naphthalene may be used although other known pour depressants, e.g. the acryloids or polymethylacrylate types, are also suitable.
The new compositions may be used by adding about 0.1 to 5 volume percent to gasoline, conveniently, for example, by adding a 12-ounce can to a tank of gasoline, e.g. about 14 gallons (0.67 volume percent). Alternatively, a small volume of the composition, e.g. about 12-ounces can be injected directly into the upper part of the carburetor of the engine, i.e. the air horn, while the engine is at a fast idle. In this case, the rate of addition should be controlled so that the engine continues running in order to avoid too rapid a rate of addition which may cause the engine to stop.
The following is a particularly suitable example of acomposition of the invention:
EXAMPLE A Volume percent 5W phenol extract I L; 75- Ethyl Cellosolve 24.3 Dilinoleic acid in kerosene) 0.5
. Anti-rust (Alox 856) Pour depressant a flash of 112 F. and visual acidity (mgs. KOH/ g.) of 3 0.58 mg. The product has an initial boiling point of about 270 F. and a 50 percent point of about 700 F. In further illustration of the invention, evaluation testson the following example of the invention will be described:
EXAMPLE B Volume percent 5W phenol extract 75.0 Ethyl Cellosolve 24.5 0.5
Patented Nov. 24, 1959 Table I Finished Gasoline +0.67% (V.) Example B Finished Gasoline Induction Period, min 660 ASTM 13-381 Gum, mgs./l 1.0 Hexane Wash ml. to 0.4. Four-Hour Gnm,mgs./1G0ml.. 4.8t H4e7xane Wash Difierential, CFR-R O.N Rust Test 92.8 Hexane Wash 113.2 Hexane Wash Less than 1.0% of Panel rusted (16 spots) 87.9 35% of area of steel panel rusted.
' It will be noted that Example B imparts considerable improvement in anti-rust properties to the gasoline. This advantage has been borne out in comparison of the new compositions with representative commercial gasolines containing anti-rust inhibitors confirming the superiority of thenew compositions.
The effectiveness of the above composition as a solvent for gasoline type gums was tested by successive solution of gum residues from the ASTM gum test. In the ASTM D381 gum test, gasoline is evaporated at 320 F. and the gum'residue is left behind in the beaker. About 25 mgs. of gum were removed successively at room temperature from six beakers by the same 20 mls. of Example B before the solvent power of the composition declined significantly. The solution was eiiected in about minutes per beaker without agitation.
The efiectiveness of the new compositions in reducing wear and combustion chamber deposits was determined by the addition of 12 ounces of Example B to 12 gallons of premium gasoline (0.78 volume percent) and running the fuel under the conditions of the Chevrolet FL-Z engine test. This test has been developed by the Coordinating Research Council for evaluating fuel de posit forming tendencies and correlates Well with road service. It involves engine operation for 40 hours at moderate speed, load and oil temperature and with very low engine water jacket temperatures. The data are tabulated in Table 11 below:
Tests were run in a Lauson engine according to a procedure described in a paper entitled, Evaluating Gasolines for Induction System Gums by C. C. Moore, J. L. Keller, W. C. Kent and F. S. Liggett, presented before the SAE National Fuels and Lubricants Meeting in Tulsa, Oklahoma, held November 4-5, 1954 (available as Preprint No. 406 from the SAE Special Publications Department). The test method described correlates very well with full-scale engine tests in measuring 4 undesirable deposits built up in the intake manifold and on the intake valves. The efiectiveness of the new composition in reducing deposits in this test is demonstrated by the following data:
20 hour Lauson engine test acetone soluble deposits, mg. Finished gasoline 112.4 Above fuel+.67 vol. percent product Example B 27.1 Finished gasoline plus concentrate contributing to induction system deposits 225.1 Above fuel+.67 vol. percent product Example B 27.3
In further tests with a CFR (octane rating) engine, it was found that the new compositions, as exemplified by Example B above, reduce combustion deposits significantly and have negligible effect on the potentially limiting factors of octane requirement increase and preignition rate.
Hence, our invention provides low cost compositions of high gum solvency which act to reduce deposits and wear and which impart anti-rust protection without deleterious effect onfuel properties.
We claim:
1. An upper cylinder wall lubricant composition consisting essentially of 75 volume percent of an aromatic extract of a 5W base lubricating oil, 74.3 volume percent ethylene glycol monoethyl ether, 0.25 volume percent dilinoleic acid, 0.25 volume percent kerosene, and 0.2 volume percent of the pourpoint depressant.
2. An upper cylinder wall lubricant composition consisting essentially of 75.0 volume percent of a phenol extract of a 5W base lubricating oil, 24.5 volume percent ethylene glycol monoethyl ether, 0.5% of an antirust composition consisting essentially of a dialkyl dimethyl ammonium chloride and a mixture of polymerized fatty acids and a mineral oil diluent.
3. An upper cylinder lubricant and tune-up solvent composition capable of introduction into the carburetor of an internal combustion engine while operating, boiling essentially above the boiling range of gasoline, and consisting essentially of about 50 to volume percent of a light aromatic oil extract obtained from the selective solvent extraction of an SAE-5W to 10W petroleum lubricating oil and about 10 to about 50 volume percent of ethylene glycol monoethyl ether.
4. A process for removing gum and deposits from the carburetor and upper cylinder chambers and for engine tune-up of an internal combustion engine which comprises introducing into the carburetor of an operating internal combustion engine a composition boiling essentially above the boiling range of gasoline and consisting essentially of about 50 to 90 volume percent of a light aromatic oil extract obtained from the selective solvent extraction of an SAE 5W to 10W petroleum lubricating oil and about 10 to about 50 volume percent of ethylene glycol monoethyl ether, whereby gum and deposits are removed and tune-up is effected while maintaining said engine in operation.
References Cited in the file of this patent UNITED STATES PATENTS 2,066,234 Sloane et al Dec. 29, 1936 2,128,685 Yates Aug. 30, 1938 2,355,591 Flaxman Aug. 8, 1944 2,631,979 McDermott Mar. 17, 1953 2,632,695 Landis et a1 Mar. 24, 1953 2,646,348 Neudeck July 21, 1953 2,672,450 Pearsall Mar. 16, 1954 2,776,194 Scheumann Jan. 1, 1957
Claims (1)
- 3. AN UPPER CYLINDER LUBRICANT AND TUNE-UP SOLVENT COMPOSITION CAPABLE OF INTRODUCTION INTO THE CARBURETOR OF AN INTERNAL COMBUSTION ENGINE WHILE OPERATING, BOILING ESSENTIALLY ABOVE THE BOILING RANGE OF GASOLINE, AND CONSISTING ESSENTIALLY OF ABOUT 50 TO 90 VOLUME PERCENT OF ALIGHT AROMATIC OIL EXTRACT OBTAINED FROM THE SELECTIVE SOLVENT EXTRACTION OF AN SAE-5W TO 10W PETROLEUM LUBIRCATING OIL AND ABOUT 10 TO ABOUT 20 VOLUME PERCENT OF ETHYLENE GLYCOL MONOETHYL ETHER.
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US504088A US2914479A (en) | 1955-04-26 | 1955-04-26 | Upper cylinder lubricant and tune-up solvent composition |
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US504088A US2914479A (en) | 1955-04-26 | 1955-04-26 | Upper cylinder lubricant and tune-up solvent composition |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3227531A (en) * | 1961-07-18 | 1966-01-04 | Exxon Research Engineering Co | Motor fuel composition |
US3336123A (en) * | 1964-06-24 | 1967-08-15 | Du Pont | Gasoline anti-stalling composition |
US3426738A (en) * | 1967-10-16 | 1969-02-11 | Chevron Res | Method of operation and lubricant for closed emission internal combustion engines |
US3871837A (en) * | 1971-12-31 | 1975-03-18 | Inst Francais Du Petrole | Method for lubricating 2-stroke engines and rotary engines |
US3909429A (en) * | 1973-03-08 | 1975-09-30 | Continental Oil Co | Cutting oil composition |
US4673411A (en) * | 1984-01-09 | 1987-06-16 | Polar Molecular Corporation | Anti-gel fuel composition |
US4753661A (en) * | 1986-01-21 | 1988-06-28 | Polar Molecular Corporation | Fuel conditioner |
US4846847A (en) * | 1984-01-09 | 1989-07-11 | Polar Molecular Corp. | Antigel fuel composition |
US5641729A (en) * | 1995-09-05 | 1997-06-24 | Hilton Oil Corporation | Internal combustion engine preparation composition |
US5782936A (en) * | 1997-04-23 | 1998-07-21 | Suburban Propane, L.P. | Additive compositions for LPG fuel |
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US2066234A (en) * | 1933-02-23 | 1936-12-29 | Standard Oil Dev Co | Motor fuel |
US2128685A (en) * | 1936-11-23 | 1938-08-30 | Shell Dev | Carbon and gum remover |
US2355591A (en) * | 1941-01-14 | 1944-08-08 | Union Oil Co | Flushing oils |
US2631979A (en) * | 1950-08-30 | 1953-03-17 | Standard Oil Dev Co | Rust inhibiting composition |
US2632695A (en) * | 1951-09-20 | 1953-03-24 | Socony Vacuum Oil Co Inc | Rust inhibitor for light petroleum products |
US2646348A (en) * | 1951-12-15 | 1953-07-21 | Standard Oil Dev Co | Gasoline fuels containing dimethyl carbinol and solvent oil |
US2672450A (en) * | 1950-06-28 | 1954-03-16 | Gen Motors Corp | Composition for removing adherent deposits from internal-combustion engines |
US2776194A (en) * | 1954-05-18 | 1957-01-01 | Cities Service Res & Dev Co | Gasoline compositions |
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US2066234A (en) * | 1933-02-23 | 1936-12-29 | Standard Oil Dev Co | Motor fuel |
US2128685A (en) * | 1936-11-23 | 1938-08-30 | Shell Dev | Carbon and gum remover |
US2355591A (en) * | 1941-01-14 | 1944-08-08 | Union Oil Co | Flushing oils |
US2672450A (en) * | 1950-06-28 | 1954-03-16 | Gen Motors Corp | Composition for removing adherent deposits from internal-combustion engines |
US2631979A (en) * | 1950-08-30 | 1953-03-17 | Standard Oil Dev Co | Rust inhibiting composition |
US2632695A (en) * | 1951-09-20 | 1953-03-24 | Socony Vacuum Oil Co Inc | Rust inhibitor for light petroleum products |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3227531A (en) * | 1961-07-18 | 1966-01-04 | Exxon Research Engineering Co | Motor fuel composition |
US3336123A (en) * | 1964-06-24 | 1967-08-15 | Du Pont | Gasoline anti-stalling composition |
US3426738A (en) * | 1967-10-16 | 1969-02-11 | Chevron Res | Method of operation and lubricant for closed emission internal combustion engines |
US3871837A (en) * | 1971-12-31 | 1975-03-18 | Inst Francais Du Petrole | Method for lubricating 2-stroke engines and rotary engines |
US3909429A (en) * | 1973-03-08 | 1975-09-30 | Continental Oil Co | Cutting oil composition |
US4673411A (en) * | 1984-01-09 | 1987-06-16 | Polar Molecular Corporation | Anti-gel fuel composition |
US4846847A (en) * | 1984-01-09 | 1989-07-11 | Polar Molecular Corp. | Antigel fuel composition |
US4753661A (en) * | 1986-01-21 | 1988-06-28 | Polar Molecular Corporation | Fuel conditioner |
US5641729A (en) * | 1995-09-05 | 1997-06-24 | Hilton Oil Corporation | Internal combustion engine preparation composition |
US5782936A (en) * | 1997-04-23 | 1998-07-21 | Suburban Propane, L.P. | Additive compositions for LPG fuel |
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