DIAPHRAGMED AIR VALVE SYSTEM

Abstract: A diaphragmed air valve system for automotive engines which is designed for the purpose of keeping intact the shape as well as mass of an air body before and after entering the engine. This diaphragmed air valve system comprises a cylindrical air inlet (2a) and a valve opening (2b) constituted by a number of small plates of specific type and arrangement (2c). The small plates, with their specific type and aerodynamic arrangement, cause the formation of a number of openings in the centre of the air inlet when the valve is opened. The rate of air flowing into the engine is absolutely dictated by the diameter of the valve opening formed by the specific arrangement and type of the small plates.

Description: Description DIAPHRAGMED AIR VALVE SYSTEM Technical Field of Invention This invention relates to a diaphragmed air valve system used to set the air entering an internal combustion engine in such a way so that the shape as well as the mass of the air keeps intact before and after entering the engine . Background of invention Automotive technology needs an engine of sound performance and handling. Car speed can be easily set if the fuel within the engine is entirely combusted. Numerous ways have been so far developed to manage the fuel combustion within the engine. Of them, the most common way is to efficiently manage the air entering the combustion chamber. Rate of air supplied into the engine is regulated by an air valve whose area of opening outside the engine can be set. In valves of current use, an intact air body is generally broken into two separated bodies once it enters the engine. To make the shape as well as the mass of the air body unchanged, we need a valve whose opening always lies in the centre of the streamline. Opening of this type can be established only by means of diaphragm system. Brief Description of the Invention Diaphragmed air valve system on automotive engines is designed for the purpose of regulating air supplied into the engine in such a way so that the shape as well as the mass of the air body is unchanged before and after entering the engine. An example of air valve of current use is shown in Figure 1. This air valve, which comprises a cylindrical inlet (la) and a circular opening (lb) , is rotatable along the axis perpendicular to circular cross-section of the opening. Rate of air flowing into the engine is absolutely dictated by the angle through which the valve opening is opened. Basic construction of the diapraghmed air valve system presently invented is shown in Figure 2. This diaphragmed air valve comprises a cylindrical inlet (2a) and a valve opening (2b) constituted by a number of small plates of specific type (2c) and arrangement. When opened, the valve opening forms openings in the centre of the streamline. The rate of air flowing into the engine is controlled by the valve diameter formed due to the specific type and arrangement of the small plates (2c) constituting the valve opening . Brief Description of the Drawing Figure 1 is an air valve comprising a cylindrical inlet (la) and a circular opening (lb) which is of current use in automotive engines. Figure 2 is a diaphragmed air valve system comprising a cylindrical inlet (2a) and a valve opening (2b) constituted by a number of small plates (2c) whose type and pattern of arrangement control the the area of the valve opening . Figure 3a is the separation or branching into two bodies of the initial intact air body within a cylindrical air valve . Figure 3b is an intact air flow produced by the diaphragmed air valve system presently invented. Detailed Description of the Invention One way of handling the rotation of an automotive engine is to regulate the air supplied into the engine by using a valve attached on the air inlet of the engine. An example of an air valve of current use in automotive engines is shown in Figure 1. The air valve comprising a cylindrical inlet (la) and a circular opening (lb) which is rotatable along the axis perpendicular to circular cross-section of the opening. Rate of air flowing into the engine is absolutely dictated by the angle through which the valve opening is opened. Owing to the shape of the air valve of current use (Figure 1) , the air passing through it will always be broken into two separated flows (Figure 3a) . Due to losses, the mass of air flowing into the engine is greatly reduced. Diaphragmed air valve system of present invention is designed for the purpose of setting the air flow in such a way so that the shape as well as the mass of air before and after entering the engine keeps intact . Basic construction of the diapraghmed air valve system presently invented is shown in Figure 2. This diaphragmed air valve comprises a cylindrical inlet (2a) and a valve opening (2b) constituted by a number of small plates of specific type (2c) and arrangement which forms openings in the centre of the streamline when the valve is opened. The rate of air flowing into the engine is dictated by the valve diameter formed by the arrangement of the small plates (2c) constituting the valve opening. Description and drawings disclosed are intended merely as illustration, not as limitation. Modifications are always possible for the people skilled in the art as long as they are still within the scope of the invention.

Claims: Claim 1. A diapraghmed air valve system for automotive engines characterized in such a way by a cylindrical air inlet and a valve opening constituted by a number of small plates of specific type and aerodynamic arrangement, an air streamline which always lies in the centre of the air inlet, and air whose rate of flow into the engine is absolutely dictated by the diameter formed by the specific aerodynamic arrangement of plates constituting the valve, so that the air flowing into the engine through the valve system keeps intact before and after entering the engine . AMENDED CLAIMS [received by the International Bureau on 28 March 2001 (28.03.01); original claim 1- replaced by amended claim 1 (1 page)] 1. A diapraghmed air valve system for automotive engines characterized in such a way by a cylindrical air inlet and a valve opening constituted by a number of small plates, at least three in number, of polygonal shape which are linked each other in a such aerodynamic arrangement so that they can dictate the size of the valve opening, an air streamline which always lies in the centre of the air inlet, and air whose rate of flow into the engine is absolutely dictated by the diameter formed by the specific aerodynamic arrangement of plates constituting the valve, so that the air flowing into the engine through the valve system keeps intact before and after entering the engine .

Inventors: WIJAYA HERU PRASANTA, WIJAYA, HERU, PRASANTA
Applicants: WIJAYA HERU PRASANTA, WIJAYA, HERU, PRASANTA
Application year: 2000
Main classification: F02D9
IPC codes: F02D9, F16K13