Patent EA-001985-B1 (EA)
Title: Method for operationg pollution-free engine expansion chamber and expansion chamber therefor
Inventor: NEGRE GUY
IPC: F02M27/04
Filed: 1998-07-09
Abstract: 1. A method for operating an engine, comprising a suction and compression chamber (1) and an expansion and exhaust chamber (4) independent of each other by injecting supplementary compressed pollution-free air into the expansion chamber (2), causing the process of the pressure increase, characterized in that the method provides for separating the pressure increase process in said expansion chamber by dividing the process into the two steps wherein an engine gas under high pressure originating from the suction and compression chamber is introduced into a part of the of expansion chamber, and the additional pollution-free compressed air, called "working gas" is introduced into the other part of the expansion chamber at a pressure substantially lower than the one prevailing in the first part and suddenly connecting the two parts using a quick-acting inter-chamber valve to obtain, owing to the to the different pressures, a sudden expansion of the engine gas creating an expansion wave, said gas flowing into the working gas, thus generating a compressive shock wave which leads to a considerable combined pressure increase in the expansion chamber shortly before expansion into the expansion and exhaust chamber to produce a working stroke. 2. The method for operating the expantion chamber according to claim 1, characterized in that the expansion chamber is shaped so as enabling to create an eddy flow thus increasing effects of the compressive shock wave. 3. The method for operating the expantion chamber according to claim 1 and 2, characterized in that the method provides for ionization of the engine gas creating electromagnetic waves icreasing the intensity of the expansion wave and delaying the phenomenon of relaxation. 4. An engine which injects an additional pollution-free compressed air according to claim 1, comprising a suction and compression chamber (1) and an expansion and exhaust chamber (4) independent of each other, in which a small amount of an additional pollution-free compressed gas is fed from an external vessel (23), where highly-pressurized gas is stored, and injected into the expansion chamber (2), characterized in that the chamber (2) is divided into two parts (2A, 2B) separated by a quickly-operated valve (2C), which at the chosen moment in the cycle quickly establish a communication between them, one of them called "engine chamber" (2A) communicates with the suction and compression chamber (1) and receives compressed air therefrom, the second part, called "working chamber" (2B) is associated with the expansion and exhaust chamber (4) and receives an additional pollution-free compressed gas, wherein generating the compressive shock wave at the moment of quick opening the valve (2C) due to the pressure drop, leads to a considerable combined pressure increase in the expansion chamber shortly before expansion into the expansion and exhaust chamber to produce a working stroke. 5. The engine which injects an additional pollution-free compressed air according to claim 4, characterized in that the two parts (2a, 2B) of the expansion chamber (2) are nozzle-shaped, wherein the engine chamber (2A) opens via a narrowing part into a neck (2E) closed with a quick-acting valve (2G), which allws it to be quickly opened at the chosen moment in the cycle, and the working chamber (2B) via an expanding part, so that a supersonic jet created at the opening of the neck causes forming eddy flows, which, besides the effects of a shock wave, permits to produce the required effects of the pressure increase. 6. The engine which injects an additional pollution-free compressed air according to claim 4 and 5, characterized in that the engine chamber (2A) comprise a cathode (2H), which provides the ionization of the engine gas before introducing it into the working chamber (2B), wherein it has the effect of the wave generation with electromagnetic properties, increasing the intensity of the shock wave in the working chamber (2B) and delaying the phenomenon of relaxation.