IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0535397
(2000-03-27)
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발명자
/ 주소 |
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| 출원인 / 주소 |
|
| 대리인 / 주소 |
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| 인용정보 |
피인용 횟수 :
9 인용 특허 :
13 |
초록
▼
A method is provided for operating an internal combustion engine comprising a combustion chamber defined by the inner wall of a cylinder, a cylinder head and the upper surface of a piston moveable longitudinally within the cylinder, the engine further comprising a pre-combustion chamber in communica
A method is provided for operating an internal combustion engine comprising a combustion chamber defined by the inner wall of a cylinder, a cylinder head and the upper surface of a piston moveable longitudinally within the cylinder, the engine further comprising a pre-combustion chamber in communication with the combustion chamber. The method comprises supplying to the combustion chamber a first combustible mixture of a first hydrocarbon fuel and oxygen; supplying to the pre-combustion chamber a second combustible mixture of a second hydrocarbon fuel and oxygen, the second combustible mixture being auto-ignitable; and compressing the first and second combustible mixtures by moving the piston within the cylinder; wherein under operating conditions in which the aforementioned steps are insufficient to operate the engine and keep it running, the method further comprises the step of generating a spark to cause ignition of the compressed first combustible mixture in the combustion chamber. An internal combustion engine operable using this method is also provided. In addition, a cylinder head for the modification of existing engines to operate using this method is also provided. The method is particularly useful for starting the internal combustion engine, especially when cold.
대표청구항
▼
A method is provided for operating an internal combustion engine comprising a combustion chamber defined by the inner wall of a cylinder, a cylinder head and the upper surface of a piston moveable longitudinally within the cylinder, the engine further comprising a pre-combustion chamber in communica
A method is provided for operating an internal combustion engine comprising a combustion chamber defined by the inner wall of a cylinder, a cylinder head and the upper surface of a piston moveable longitudinally within the cylinder, the engine further comprising a pre-combustion chamber in communication with the combustion chamber. The method comprises supplying to the combustion chamber a first combustible mixture of a first hydrocarbon fuel and oxygen; supplying to the pre-combustion chamber a second combustible mixture of a second hydrocarbon fuel and oxygen, the second combustible mixture being auto-ignitable; and compressing the first and second combustible mixtures by moving the piston within the cylinder; wherein under operating conditions in which the aforementioned steps are insufficient to operate the engine and keep it running, the method further comprises the step of generating a spark to cause ignition of the compressed first combustible mixture in the combustion chamber. An internal combustion engine operable using this method is also provided. In addition, a cylinder head for the modification of existing engines to operate using this method is also provided. The method is particularly useful for starting the internal combustion engine, especially when cold. 0) to the control unit (20), wherein said supply lines (66, 68) lead from said control unit (20) to said electric motor (16). 2. A cooling fan (10), comprising a fan propeller (18) that is driven by an electric motor (16), wherein said electric motor is fixedly connected to a frame (12) by means of connecting elements (14, 22, 24, 34, 72), wherein the frame (12) surrounds fan blades (40) of the fan propeller (18) on an outer periphery, said frame (12) being connected to an electronic control unit (20) for the electric motor (6) by means of one of said connecting elements (22, 24), wherein the connecting elements (14, 22, 24, 34, 72) comprise an impeller (14), said impeller (14) having vanes (22, 24) spaced from one another about a periphery of said impeller (14), wherein said vanes (22, 24) are fixedly connected with the frame (12) on a circumference (21) and with a securing ring (34), said electric motor (16) being attached to said securing ring (34), and wherein the control unit (20) is disposed and removably secured between two neighboring struts (22, 24), wherein circumferential struts (26, 28) connect said vanes (22, 24) to one another and reciprocally support said vanes (22, 24), and wherein the control unit (20) assists said circumferential struts (22, 24) in supporting said vanes (22, 24) or replaces said circumferential struts between neighboring vanes (22, 24).
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