Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Reexamination Certificate
1999-10-27
2001-11-20
Simmons, David A. (Department: 1724)
Gas separation
Plural serial basically diverse separating media
Plural stages in unitary casing
C055S385300, C055S521000
Reexamination Certificate
active
06319298
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an air filter for automobiles. The air filter is part of an air intake system, and this system allows the air to flow through into the vehicle's engine compartment.
2. Description of the Prior Art
It is common in automobiles to use a device known as air filter to let the air flow into the engine compartment. The bottom of the air filter is connected to the carburetor of the automobile by means of a pipe. The air enters this filter through a narrow opening at the top. The standard filter has a wire frame visible on the outside. This device, as it is used in automobiles, however, displays the drawback that there is no mechanism other than the narrow opening at the top to facilitate a faster stream of air to pass through the air filter. Also, the standard device used in the industry displays another drawback that it is susceptible to the transmission of heat from the engine compartment
SUMMARY OF THE INVENTION
It is an object of the invention to provide a device at the front opening of an air filter to facilitate a faster stream of air into the filter. The air filter consists of a shape with a front narrow opening, and a broader base which is connected to the carburetor by means of a pipe. This inventive device, with an aerodynamic design, increases the velocity of the air as it passed through the filter.
A further object of the invention is to provide a device which surrounds the air filter, to be called a “heat shield,” which reduces the amount of heat transmittal from the engine compartment to the air filter. This innovation enables cooler air to pass through the filter.
The object of the two inventions is to allow a faster and cooler stream of air to pass through the air filter thereby giving rise to a new air filter for automobiles.
REFERENCES:
patent: 4157902 (1979-06-01), Tokar
patent: 5246472 (1993-09-01), Herman et al.
patent: 5606854 (1997-03-01), Hoffmann
patent: 5611831 (1997-03-01), Matsuoka et al.
Hopkins Robert A.
Renz, Jr. , PC Eugene E.
Simmons David A.
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