Lubrication – Systems – With machine starting means
Reexamination Certificate
1999-08-30
2001-07-03
Bucci, David A. (Department: 3682)
Lubrication
Systems
With machine starting means
C184S007400, C123S1960CP
Reexamination Certificate
active
06253877
ABSTRACT:
BACKGROUND OF THE INVENTION
1) Field of the Invention
The invention herein relates to an internal combustion engine pre-lubrication system that lubricates all moving components before such an engine is actually started. The internal combustion engine pre-lubrication performance of the present invention enables engine components to operate quicker, provides more optimal piston compression, easier internal combustion engine starting, reduced frictional wear between engine components, more complete fuel combustion and thereby compliance with exhaust emission standards, and the effective prolonging of overall internal combustion engine service life.
2) Description of the Prior Art
While industrial technology has developed significantly in recent years, environmental protection problems such as air pollution, water contamination, and industrial waste pollution have become more serious. Although solutions to these problems can be handled by appropriate treatment, the most effective policy is prevention.
The most likely cause of air pollution now are vehicles and various internal combustion engines. To reduce such air pollution would first of all require complete fuel combustion. However, due to poor internal combustion engine maintenance or utilization beyond the limited years of functional expectancy, it is common to see cars spewing black exhaust smoke along roadways until they finally become inoperable.
When a typical internal combustion engine is not operating, the oil lubricating the internal components flows down to the lower crankcase due to the effect of gravity. Thus, when the internal combustion engine is started once again, some of the engine components are not lubricated for a brief instant, which results in considerable frictional wear that is several thousand times more severe than under lubricated conditions.
Since compact passenger cars and trucks especially are often started and switched off repeatedly a high number of times, the frictional wear of each unlubricated engine component can be become very serious, which is why horsepower is impaired and smoke is emitted after approximately 20,000 kilometers of travel for the duration of the vehicle's usable service life. In comparison, larger passenger and transport vehicles are started less frequently and since most of the internal combustion engine components are kept normally lubricated, such vehicles can be driven for several hundred thousand kilometers.
To reduce air pollution and thereby improve environmental conditions, the automotive industry has gradually introduced battery- and diesel-powered cars. However, the current technology is incapable of effectively overcoming battery storage capacity and acceleration problems, not to mention battery disposal, which could result in yet another major environmental pollution.
As a result, internal combustion engines continue to be relied on to provide motive power, with proper engine maintenance keeping exhaust emissions within standards and thereby reducing air pollution, which is currently the best practical approach.
SUMMARY OF THE INVENTION
The primary objective of the invention herein is to provide an internal combustion engine pre-lubrication system having an oil capacity that involves the addition of approximately 300 cc of engine oil (the exact quantity may be more or less depending on the displacement of the internal combustion engine to which the system is installed) to the total oil volume of an internal combustion engine. When the internal combustion engine is started, engine oil pressure is established and, furthermore, after engine oil flows to all engine components, a minute quantity flows towards the pre-lubrication system. After the internal combustion engine is switched off, the said additional oil volume of approximately 300 cc is stored in the hydraulic cylinder of the pre-lubrication system such that just before the internal combustion engine is started once again, the pre-lubrication system rapidly (within approximately two seconds) injects the 300 cc of engine oil to lubricate all moving components of the internal combustion engine prior to its actual starting. This enables all engine components to operate more quickly, more optimal piston compression, easier internal combustion engine starting, reduced frictional wear between engine components, and more complete fuel combustion and thereby compliance with exhaust emission standards, which are among the innovations of the present invention.
Another objective of the invention herein is to provide an internal combustion engine pre-lubrication system which is capable of injecting the approximately 300 cc of engine oil to lubricate all engine components within a short period each time just before an internal combustion engine is actually started, so that an adequate degree of lubrication is maintained between all operating engine components that reduces friction as well as destructive wear and, furthermore, provides a means whereby engine oil is less likely to pollute which effectively improves upon environmental protection problems and, furthermore, lengthens the mileage between engine oil changes, while maintaining optimal overall performance and prolonging the usable service life of an internal combustion engine, minimizing vehicle as well as engine oil purchase costs and thereby effectively strengthening the overall national economy, which are also among the innovations of the present invention.
Yet another objective of the invention herein is to provide an internal combustion engine pre-lubrication system, wherein the entire pre-lubrication system of the invention herein can be installed at the side of an internal combustion engine without requiring any modification whatsoever to the mechanical structure of various brands of internal combustion engines, its structural scope of application is relatively wide, which is also another innovative aspect of the present invention.
To enable further understanding of the structure, innovations, operation, and other aspects of the invention herein, the brief description of the drawings below is followed by the detailed description of the preferred embodiment.
REFERENCES:
patent: 3631847 (1972-01-01), Hobbs, II
patent: 4112910 (1978-09-01), Percy
patent: 4157744 (1979-06-01), Capriotti
patent: 4589337 (1986-05-01), Hardin
patent: 5147014 (1992-09-01), Pederson
patent: 5244059 (1993-09-01), McLaughlin
patent: 5494013 (1996-02-01), Helbig
patent: 5511522 (1996-04-01), Tran
patent: 5655495 (1997-08-01), Richards
patent: 5694896 (1997-12-01), Melvin
Bucci David A.
Dougherty & Troxell
Kim Chong H.
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