Internal combustion engine with shrouded injection valve and precombustion chamber system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02B-019/00
F02B-019/08
F02B-019/10
F02B-019/12
F02B-019/18
F02B-025/14
F02B-075/02
출원번호
US-0975323
(2013-08-24)
등록번호
US-9677459
(2017-06-13)
발명자
/ 주소
McClendon, Gene
Coleman, Randall A.
출원인 / 주소
GE Oil & Gas Compression Systems, LLC
대리인 / 주소
Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
60
초록▼
An engine is provided. In one embodiment, the engine includes a precombustion chamber having a body, a secondary combustion chamber disposed at least partially in the body, and a plurality of passages configured to place the precombustion chamber in fluid communication with a main combustion chamber
An engine is provided. In one embodiment, the engine includes a precombustion chamber having a body, a secondary combustion chamber disposed at least partially in the body, and a plurality of passages configured to place the precombustion chamber in fluid communication with a main combustion chamber.
대표청구항▼
1. A system, comprising: an engine, comprising: a cylinder;a head having an inner wall with a first dome-shaped portion recessed into the head;a piston disposed in the cylinder, wherein a first combustion chamber is disposed between the head and the piston, wherein the piston is configured to recipr
1. A system, comprising: an engine, comprising: a cylinder;a head having an inner wall with a first dome-shaped portion recessed into the head;a piston disposed in the cylinder, wherein a first combustion chamber is disposed between the head and the piston, wherein the piston is configured to reciprocate along a central axis of the cylinder; anda second combustion chamber centered relative to the central axis of the cylinder, wherein the second combustion chamber comprises a body having an interior volume centered relative to the central axis, an outlet passage fluidly coupling the interior volume with the first combustion chamber, and an ignition device configured to ignite a fuel to generate a flame,wherein the outlet passage comprises a first outlet passage that directly intersects with a curved portion of the second combustion chamber, wherein the first outlet passage is angled greater than or equal to 155 degrees relative to the curved portion of the second combustion chamber,wherein the first outlet passage is nonparallel with the central axis,wherein the body has a second dome-shaped portion protruding from the first dome-shaped portion of the head into the first combustion chamber,wherein the first dome-shaped portion has a first curvature that is symmetrical about the central axis, and the second dome-shaped portion has a second curvature that is symmetrical about the central axis. 2. The system of claim 1, wherein the second dome-shaped portion has a plurality of outlets disposed in a symmetrical arrangement relative to the central axis, and each outlet of the plurality of outlets is oriented at an acute angle away from the central axis. 3. The system of claim 1, wherein the body comprises a first body portion coupled to a second body portion, wherein the first body portion comprises a first curved portion of the interior volume, a fuel inlet passage, and the ignition device, wherein the second body portion comprises a second curved portion of the interior volume, the outlet passage, and the second dome-shaped portion. 4. The system of claim 1, wherein the first dome-shaped portion has a first curved surface that curves in a first direction inwardly toward the central axis from first radially opposite sides of the first combustion chamber, the second dome-shaped portion has a second curved surface that curves inwardly in a second direction towards the central axis from second radially opposite sides of the body, wherein the first and second directions are axially opposite from one another. 5. The system of claim 1, wherein the ignition device comprises a tip that is recessed relative to a curved interior wall of the body surrounding the interior volume, wherein the body comprises a cylindrical volume surrounding the tip of the ignition device, wherein the cylindrical volume is recessed relative to the curved interior wall of the body, and the curved interior wall curves outwardly away from radially opposite sides of the cylindrical volume in opposite radial directions relative to the central axis. 6. The system of claim 1, wherein an interior wall of the body curves around at least a substantial portion of the interior volume, a fuel inlet passage into the interior volume directly intersects with a first curved portion of the interior wall of the interior volume, the fuel inlet passage is angled greater than or equal to 155 degrees relative to the first curved portion of the interior wall of the interior volume, the fuel inlet passage is nonparallel with the central axis, the first outlet passage of the outlet passage directly intersects with a second curved portion of the interior wall of the interior volume, the first outlet passage is angled greater than or equal to 155 degrees relative to the second curved portion of the interior wall of the interior volume, and the fuel inlet passage is separate from the outlet passage. 7. The system of claim 6, wherein the interior wall of the body curves around an entirety of the interior volume. 8. The system of claim 6, wherein the first outlet passage of the outlet passage extends away from the second curved portion of the interior wall of the interior volume in a first direction acutely angled toward the central axis of the cylinder. 9. The system of claim 6, wherein the interior volume comprises a generally spherical interior volume. 10. The system of claim 6, wherein the fuel inlet passage and the first outlet passage of the outlet passage are acutely angled relative to the central axis of the cylinder. 11. The system of claim 10, wherein the first outlet passage of the outlet passage extends away from the second curved portion of the interior wall of the interior volume in a first direction acutely angled toward the central axis, and the fuel inlet passage extends toward and directly intersects with the first curved portion of the interior wall of the interior volume in a second direction acutely angled toward the central axis. 12. The system of claim 11, wherein the fuel inlet passage and the first outlet passage are disposed on opposite sides of the central axis. 13. The system of claim 8, wherein the outlet passage comprises a plurality of second outlet passages coupled to and diverging away from the first outlet passage toward the second dome-shaped portion, and the plurality of second passages are acutely angled relative to the central axis. 14. The system of claim 13, wherein the fuel inlet passage extends toward and directly intersects with the first curved portion of the interior wall of the interior volume in a second direction acutely angled toward the central axis of the body. 15. The system of claim 13, comprising a fuel injector coupled to an aperture in the first dome-shaped portion, wherein the fuel injector is acutely angled relative to the central axis of the cylinder, wherein the first dome-shaped portion is symmetrical about the central axis except for the aperture for the fuel injector. 16. A system, comprising: a second combustion chamber configured to couple to a first combustion chamber having a piston disposed in a cylinder and configured to reciprocate along a central axis of the cylinder, wherein the second combustion chamber comprises: a body having an interior wall surrounding an interior volume centered relative to the central axis and an end surface configured to face the first combustion chamber, wherein the end surface comprises a dome-shaped portion having a curved surface that is symmetrical about the central axis;an outlet passage configured to fluidly couple the interior volume with the first combustion chamber, wherein the outlet passage comprises a first outlet passage that extends away from the interior wall of the interior volume in a first direction acutely angled towards the central axis, the first outlet passage directly intersects with a curved portion of the interior wall of the interior volume, the first outlet passage is nonparallel with the central axis, the first outlet passage is angled greater than or equal to 155 degrees relative to the curved portion of the interior wall of the interior volume, the outlet passage comprises a plurality of second outlet passages coupled to and diverging away from the first outlet passage toward the end surface of the body, each second outlet passage of the plurality of second outlet passages are is acutely angled away from the central axis; andan ignition device configured to ignite a fuel to generate a flame. 17. The system of claim 16, wherein the ignition device comprises a tip that is recessed relative to a curved interior wall of the body surrounding the interior volume, wherein the body comprises a cylindrical volume surrounding the tip of the ignition device, wherein the cylindrical volume is recessed relative to the curved interior wall of the body, and the curved interior wall curves outwardly away from radially opposite sides of the cylindrical volume in opposite radial directions relative to the central axis. 18. The system of claim 16, wherein the interior wall of the body curves around at least a substantial portion of the interior volume, a fuel inlet passage is generally tangential to a first curved portion of the interior wall, and the first outlet passage is generally tangential to a second curved portion of the interior wall. 19. A system, comprising: a second combustion chamber configured to couple to a first combustion chamber having a piston disposed in a cylinder and configured to reciprocate along a central axis of the cylinder, wherein the second combustion chamber comprises: a body having an interior wall that curves around at least a substantial portion of an interior volume that is centered relative to the central axis;a fuel inlet passage fluidly coupled to the interior volume, wherein the fuel inlet passage directly intersects with a first curved portion of the interior wall of the interior volume, the fuel inlet passage is nonparallel with the central axis, and the fuel inlet passage is angled greater than or equal to 155 degrees relative to the first curved portion of the interior wall of the interior volume;an outlet passage fluidly coupled to the interior volume separate from the fuel inlet passage, wherein the outlet passage directly intersects with a second curved portion of the interior wall of the interior volume, the outlet passage is nonparallel with the central axis, the outlet passage is angled greater than or equal to 155 degrees relative to the second curved portion of the interior wall of the interior volume, and the outlet passage is configured to fluidly couple the interior volume with the first combustion chamber; andan ignition device configured to ignite a fuel to generate a flame, wherein the ignition device is centered relative to the central axis. 20. The system of claim 19, wherein the ignition device comprises a tip that is recessed relative to the interior wall of the body surrounding the interior volume, the body comprises a cylindrical volume surrounding the tip of the ignition device, the cylindrical volume is recessed relative to the interior wall of the body, and the interior wall curves outwardly away from radially opposite sides of the cylindrical volume in opposite radial directions relative to the central axis. 21. The system of claim 19, wherein the body comprises a first body portion coupled to a second body portion, wherein the first body portion comprise a first curved portion of the interior volume, the fuel inlet passage, and the ignition device, wherein the second body portion comprises a second curved portion of the interior volume and the outlet passage. 22. The system of claim 16, wherein the second combustion chamber comprises a fuel inlet passage fluidly coupled with the interior volume, the fuel inlet passage is separate from the outlet passage, and the fuel inlet passage extends toward and directly intersects with a first curved portion of the interior wall of the interior volume in a second direction acutely angled toward the central axis, wherein the first outlet passage extends away from a second curved portion of the interior wall of the interior volume in the first direction acutely angled toward the second central axis of the body. 23. The system of claim 22, wherein the ignition device is centered relative to the central axis of the body. 24. The system of claim 23, wherein the interior volume comprises a generally spherical interior volume. 25. The system of claim 16, wherein the body comprises a first body portion coupled to a second body portion, wherein the first body portion comprise a first curved portion of the interior volume, a fuel inlet passage, and the ignition device, wherein the second body portion comprises a second curved portion of the interior volume and the outlet passage.
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이 특허에 인용된 특허 (60)
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Schaub Fred S. (Mount Vernon OH) Helmich Melvin J. (Mount Vernon OH) Hubbard Robert L. (Mount Vernon OH) Hoagland Melvin C. (Mount Vernon OH), Internal combustion engine.
Stanley Russel S. (4470 Cottage Grove Uniontown OH 44685), Internal combustion engines and method of operting an internal combustion engine using staged combustion.
Chen Tze-Ning (Sudbury MA) Raymond Robert J. (Watertown MA), Internal combustion reciprocating engine and method for burning a mixture of fuel and air therein.
Woo, Soohyung; Kwon, Kiyoung; Kong, Jinkook; Kim, Youngnam; Kim, Jinsoon, Pre-chamber jet igniter and engine including combustion chamber employing the same.
Heitland Herbert H. (Waldhof 3A Wolfsburg 38446 DEX) Wislocki Krzysztof (Na Stoku 21 Poznan 61-680 PLX), Process and device for a two-stroke combustion-engine.
Kuhnert Dieter (Friedrich-Metz-Str. 18 6920 Sinsheim DEX), Technique and spark plug to ignite very lean fuel air mixtures, particulary for gas engines.
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