Fuel and related compositions – Liquid fuels – Free metal or alloy containing
Patent
1995-01-24
1997-01-21
McAvoy, Ellen M.
Fuel and related compositions
Liquid fuels
Free metal or alloy containing
44358, C10L 124
Patent
active
055955762
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND
The present invention relates generally to the field of internal combustion engines. More particularly, this invention relates to methods and compositions for increasing fuel efficiency and modifying emissions characteristics of internal combustion engines.
The internal combustion engine is unequaled in its primary applications as a portable power source. However, internal combustion engine use has been increasingly criticized largely because of polluting emissions and consumption of finite fuel sources. Consequently, much research has been directed to improving the efficiency (in terms of conserving fuels) and to reducing the production of undesirable emissions (in terms of protecting the environment) of the internal combustion engine. Interestingly, this research has indicated that engine efficiency and emissions abatement do not go hand in hand, but rather are in opposition. A breakthrough that would reverse this situation is still being sought.
Thus, despite extensive research efforts, there remains a need for methods and compositions for enhancing fuel efficiency of internal combustion engines as well as for advantageously modifying their emissions. The present invention addresses these needs.
SUMMARY OF THE INVENTION
One object of this invention is to provide methods for enhancing the fuel efficiency of an internal combustion engine.
Another object of this invention is to provide compositions for enhancing the fuel efficiency of an internal combustion engine.
A further object of this invention is to provide methods for advantageously modifying emissions of an internal combustion engine.
Still another object of this invention is to provide compositions for advantageously modifying emissions of an internal combustion engine.
Still another object of the invention is to provide methods and compositions for improving the combustion properties of fuel oil.
These and other objects are accomplished by preferred embodiments of the invention, one of which relates to a method of enhancing fuel efficiency of an internal combustion engine. This method includes the step of providing in the fuel an effective amount of selenium to enhance the fuel efficiency of the engine.
Another preferred embodiment of the invention relates to a method of advantageously modifying exhaust emission of an internal combustion engine operating on a fuel. This method includes the step of providing in the fuel an effective amount of selenium to modify the exhaust emission of the engine.
Another preferred embodiment of the present invention relates to a modified internal combustion engine fuel which includes an effective amount of selenium to increase the fuel efficiency of an internal combustion engine operating on the fuel.
Still another preferred embodiment of the invention provides a modified internal combustion engine fuel which includes an effective amount of selenium to modify the exhaust emission of an internal combustion engine operating on the fuel.
Still another embodiment of the invention provides a method for improving the combustion properties of fuel oil which comprises adding to the fuel oil an effective amount of selenium to increase the thermal energy generated upon combustion of the fuel oil.
Additional objects, advantages and embodiments of the invention will be apparent from the description which follows.
DESCRIPTION OF PREFERRED EMBODIMENTS
For the purposes of promoting an understanding of the principles of the invention, reference will now be made to certain preferred embodiments and specific language will be used to describe the same. It will nevertheless be understood that no limitation of the scope of the invention is thereby intended, such alterations and further modifications and applications of the principles of the invention being contemplated as would normally occur to one skilled in the art to which the invention relates.
As used herein, the term "internal combustion engine" is used in its broad sense to include engines which operate based upon the internal combustion of a fuel. There are
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