IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0039919
(2011-03-03)
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등록번호 |
US-8490606
(2013-07-23)
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발명자
/ 주소 |
|
출원인 / 주소 |
- New Vision Fuel Technology, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
29 |
초록
▼
An exhaust gas re-induction apparatus includes conduits and an outer housing, which receive exhaust gas from an exhaust system of an engine, and passively recirculate a portion of the gas to an air inlet of the engine while transferring another portion of the gas through orifices in the apparatus an
An exhaust gas re-induction apparatus includes conduits and an outer housing, which receive exhaust gas from an exhaust system of an engine, and passively recirculate a portion of the gas to an air inlet of the engine while transferring another portion of the gas through orifices in the apparatus and via a return conduit to the exhaust manifold. An exchange of heat occurs between the exhaust gas, the various components and chambers of the re-induction apparatus, and the environment. Fuel efficiency is increased and harmful toxins and emissions are reduced. A system includes the re-induction apparatus and a recirculation conduit, which connects the re-induction apparatus to the air inlet of the engine before the vacuum, via a water separator or soot filter device depending on engine type. The amount of exhaust gas recirculated can essentially depend on the operating speed of the engine and the size dimensions of the apparatus.
대표청구항
▼
1. An exhaust gas re-induction apparatus, comprising: an inner conduit structured to transfer exhaust gas in a first direction;a central conduit concentrically arranged relative to the inner conduit, the central conduit structured to guide a first portion of the exhaust gas in a second direction opp
1. An exhaust gas re-induction apparatus, comprising: an inner conduit structured to transfer exhaust gas in a first direction;a central conduit concentrically arranged relative to the inner conduit, the central conduit structured to guide a first portion of the exhaust gas in a second direction opposite the first direction;an outer housing coupled to the inner and central conduits, and concentrically arranged relative to the inner and central conduits, the outer housing structured to receive the first portion of the exhaust gas from the central conduit through a plurality of orifices disposed in the central conduit; anda return conduit structured to receive the first portion of the exhaust gas from the plurality of orifices, and to guide the first portion of the exhaust gas to an exhaust system of an engine, wherein the inner conduit is structured to pass a second portion of the exhaust gas for recirculation to the engine. 2. The exhaust gas re-induction apparatus of claim 1, wherein: the inner and central conduits are substantially cylindrical and extend beyond the ends of the outer housing;inner walls of the central conduit are equidistant to outer walls of the inner conduit; andan exhaust gas input of the central conduit is proximally located to an exhaust gas output of the inner conduit. 3. The exhaust gas re-induction apparatus of claim 1, wherein a diameter of a cross section of the inner conduit is less than a diameter of a cross section of the central conduit, and the inner conduit extends through the central conduit for at least the length of the central conduit. 4. The exhaust gas re-induction apparatus of claim 1, wherein: the outer housing forms a heat exchange chamber between inner walls of the outer housing and outer walls of the central conduit;the inner conduit, the central conduit, and the outer housing are structured to exchange heat one with another and with the atmosphere external of the re-induction apparatus, and are structured to alter the temperature of the exhaust gas based on the quantity of exhaust gas flowing therein; andthe return conduit is coupled to an input of the inner conduit and structured to return at least a portion of the temperature altered exhaust gas to the inner conduit. 5. The exhaust gas re-induction apparatus of claim 1, further comprising: a recirculation conduit coupled to an end of the central conduit, the recirculation conduit surrounding a terminal end portion of the inner conduit, and structured to receive and transfer the second portion of the exhaust gas to the engine for recirculation of the second portion of the exhaust gas. 6. The exhaust gas re-induction apparatus of claim 5, wherein the second portion of the exhaust gas transferred through the recirculation conduit corresponds to between about 5% (percent) to 20% (percent) of the total exhaust gas produced by the engine over a given period of time, thereby increasing the fuel efficiency and reducing the emissions of the engine. 7. The exhaust gas re-induction apparatus of claim 1, wherein the quantity of exhaust gas passed through the inner conduit for recirculation in the engine and the quantity of gas exhaust transferred through the return conduit are essentially dependent only on the operating speed of the engine and the size dimensions of the re-induction apparatus. 8. The exhaust gas re-induction apparatus of claim 7, wherein each component of the exhaust gas re-induction apparatus is passive and non-controlled. 9. The exhaust gas re-induction apparatus of claim 7, wherein the inner conduit, the central conduit, the outer housing, and the return conduit have always-open passages in which the exhaust gas can flow at different rates depending on the operating speed of the engine and the size dimensions of the inner conduit, the central conduit, the outer housing, the return conduit, and each of the plurality of orifices. 10. The exhaust gas re-induction apparatus of claim 1, wherein: the outer housing is substantially bell-shaped including at least a first section having a first diameter and a second section having a second diameter, wherein the walls of the outer housing are tapered between the first and second sections; andthe plurality of orifices are spaced apart one from another and circumferentially disposed around a section of the central conduit, wherein the section having the circumferentially disposed orifices is located toward an end of the central conduit opposite an exhaust gas output of the inner conduit. 11. The exhaust gas re-induction apparatus of claim 10, wherein: the central conduit includes an annular shaped exhaust gas input offset from the exhaust gas output of the inner conduit;the inner conduit includes an exhaust gas input structured to be coupled to the exhaust system of the engine;the return conduit is structured to be coupled to the exhaust system of the engine via a connecting conduit;the connecting conduit includes a one-way valve structured to permit one-way passage of the first portion of the exhaust gas to the exhaust system;an end of the central conduit associated with the exhaust gas input of the central conduit is structured to be coupled to a recirculation conduit; andthe exhaust gas output of the inner conduit is structured to be contained within the recirculation conduit for recirculation of the second portion of the exhaust gas through the engine.
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