Apparatus to remove solid particles and aerosols from a gas, especially from the exhaust gas of an internal combustion e
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B03C-003/14
출원번호
US-0410693
(1982-08-23)
우선권정보
DE-3141156 (1981-10-16)
발명자
/ 주소
Brettschneider Johannes (Ludwigsburg DEX) Dobler Klaus (Gerlingen DEX) Haag Gottlob (Oberriexingen DEX) Linder Ernst (Mhlacker DEX) Polach Wilhelm (Mglingen DEX)
출원인 / 주소
Robert Bosch GmbH (Stuttgart DEX 03)
인용정보
피인용 횟수 :
34인용 특허 :
4
초록▼
To remove solid particles such as soot, aerosols, and the like, from the exhaust gas of an internal combustion (IC) engine, for example a Diesel engine, the solid particles and aerosols are first charged in an electrostatic field which is generated between a solid surface (2), preferably cylindrical
To remove solid particles such as soot, aerosols, and the like, from the exhaust gas of an internal combustion (IC) engine, for example a Diesel engine, the solid particles and aerosols are first charged in an electrostatic field which is generated between a solid surface (2), preferably cylindrical, and pointed discharge elements, typically electrostatic spray disks (3). The solid particles will adhere together, and to the surface, to form-with respect to the original dust and soot particles and aerosols, large area flakes and agglomerates which are carried along by the gas flow, and are then separated out in a mechanical separator (7, 15, ).
대표청구항▼
Apparatus to remove solid particles and aerosols from a gas, especially from the exhaust gas of an internal combustion engine, comprising a closed housing structure; electrodes formed with projecting points or teeth located within said closed housing structure, the teeth facing an inside surface of
Apparatus to remove solid particles and aerosols from a gas, especially from the exhaust gas of an internal combustion engine, comprising a closed housing structure; electrodes formed with projecting points or teeth located within said closed housing structure, the teeth facing an inside surface of said housing structure; electrical charge means having one terminal connected to said closed housing structure, and another terminal to said electrodes; combustion exhaust gas conducting means (13) conducting exhaust gas including the particles and aerosols into the closed housing structure and in a space between the inside surface of the closed housing structure and said teeth, the inside surface of the closed housing structure forming a precipitating surface for collection of solid particles and aerosols in the form of flakes and agglomerates thereon; a mechanical separator (15) further connected to said space within the closed housing structure to receive exhaust gas and flakes and agglomerates carried along therewith; and two outlet means (16, 17) from said mechanical separator, one (16) of said outlet means carrying gas essentially free from solid particles, flakes and agglomerates, and the other of said outlet means (17) carrying gas essentially free from solid particles and aerosols but enriched with said flakes and agglomerates, wherein the mechanical separator (15) and the closed housing structure comprise a single element forming a centrifugal or turbulence chamber (15) of generally circular cross section having an inside surface and two end portions; the combustion exhaust gas conduction means (13) comprises an inlet to said chamber (15) supplying gas in a tangential direction for travel within said chamber in a circular and axial or spiral path; the electrodes comprise an apertured cylinder (14) located within the chamber, and at least one electrostatic field spray disk (3) having said projecting points or teeth formed thereon located circumferentially on said cylinder, to build up an electrostatic field between the apertured cylinder (14) and the inside surface of the chamber (15); said one of said outlet means (16) comprises a tubular duct extending within the apertured cylinder, and terminating within the longitudinal dimension thereof; and the other outlet means (17) comprises at least one outlet duct (17) located adjacent at least one of the end portions of the chamber; and the mechanical separator comprises the combination of the tangential location of said gas conduction means (13) and a shield or cover plate (18) spaced from said other outlet means and the inside surface of said chamber to permit conduction of flakes or agglomerates by gas to said other outlet means traveling in a spiral path around the inside surface of the chamber at which the flakes and agglomerates will precipitate, while permitting exhaust of gas from a position within said apertured cylinder through said one outlet means (16).
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이 특허에 인용된 특허 (4)
Liu Benjamin Y. H. (North Oaks MN) Kittelson David B. (Minneapolis MN) Dolan Daniel F. (St. Anthony MN) Pui David Y. H. (Minneapolis MN), Apparatus for recycling collected exhaust particles.
Linder, Ernst; Babitzka, Rudolf; Brettschneider, Johannes; Polach, Wilhelm; Wessel, Wolf; Stumpp, Gerhard, Apparatus for removing solid components from the exhaust gas of internal combustion engines, in particular soot components.
Haag Gottlob (Markgrningen DEX) Dettling Hubert (Waiblingen DEX) Leonhard Rolf (Schwieberdingen DEX) Linder Ernst (Mhlacker DEX), Device for removing solid particles from exhaust gas of an internal combustion engine.
Hodgson, Jan; Vorsmann, Christian; Brüeck, Rolf, Device having an annular electrode for decreasing soot particles in the exhaust gas of an internal combustion engine.
Gottung, Eric J.; Easom, Bruce H.; Burlatsky, Sergei F.; Smolensky, Leo A.; Bertuccioli, Luca, Electrostatic particulate separation for emission treatment systems.
Altman Ralph F. (Chattanooga TN) Wysk S. Ronald (Stow MA) Smolensky Leo A. (Concord MA) Easom Bruce H. (Groton MA), Electrostatically enhanced separator (EES).
Altman Ralph F. (Chattanooga TN) Wysk S. Ronald (Stow MA) Smolensky Leo A. (Concord MA) Easom Bruce H. (Groton MA), Electrostatically enhanced separator (EES).
Kiser,Matthew Thomas; Thaler,David Michael; Rodman,Anthony Clark; Williams,Matthew Earnest, Exhaust gas recirculation system having an electrostatic precipitator.
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