A common rail pre-chamber jet ignition system
An ignition system and pre-combustion chamber technology, applied in the direction of charging system, flame ignition, engine ignition, etc., can solve the problems of easy damage to the engine, affecting ignition stability, and affecting the service life of the engine, so as to prolong the service life and optimize the power supply. The effect of the oil system
Active Publication Date: 2022-05-24
JILIN UNIV
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Problems solved by technology
[0003] At present, during the fuel supply process of the existing pre-combustion chamber jet ignition system, high fuel pressure cannot be guaranteed, and the fuel supply system cannot be precisely controlled, which affects ignition stability, easily damages the engine, and affects the service life of the engine
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[0025] In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can do so without departing from the connotation of the present invention. Similar promotion, therefore, the present invention is not limited by the specific embodiments disclosed below.
[0027] Next, the present invention is described in detail with reference to the schematic diagrams. When describing the embodiments of the present invention in detail, for the convenience of explanation, the cross-sectional views showing the device structure will not be partially enlarged...
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The invention belongs to the technical field of automobile engines, and is specifically a common-rail pre-chamber jet ignition system, which includes: an oil-gas mixing unit A, a mixed-gas common-rail unit B, a thermal jet ignition system C, a mixed-gas return pipe, and a mixed-gas Pipeline a, one-way valve a, mixed gas pipeline b, solenoid valve a and one-way valve b, oil-gas mixing unit A communicates with mixed gas common rail unit B through mixed gas pipeline a, and one-way valve a is installed on mixed gas pipeline a , the mixed gas return valve on the mixed gas common rail unit B communicates with the fuel-air mixing unit A through the mixer return pipe, and the mixed gas common rail unit B is used to separate the fuel pressure generation from the fuel injection to ensure high fuel pressure. The oil system is precisely controlled, the oil supply system is optimized, and the ignition is carried out through the hot jet ignition system C. Under the stable oil supply condition of the mixed gas common rail unit B, stable ignition is achieved and the service life of the engine is extended.
Description
technical field [0001] The invention relates to the technical field of automobile engines, in particular to a common rail type pre-combustion chamber jet ignition system. Background technique [0002] The full name of jet ignition in automobiles is pre-combustion chamber jet ignition. At the top of the combustion chamber of the car engine, the original spark plug of the engine is replaced with a small combustion chamber (that is, the pre-combustion chamber, which is connected to the main combustion chamber of the engine through a small combustion chamber. A small hole is connected), and a relatively rich mixture is injected into the small combustion chamber to ignite it. The rapid rise in temperature and pressure will cause the flame beam to be quickly injected into the engine, so as to achieve the effect of igniting the mixture in the main combustion chamber. effect. [0003] At present, during the fuel supply process of the existing pre-chamber jet ignition system, high f...
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IPC IPC(8): F02B19/10F02B19/12F02M55/02F02M61/18F02M63/00F02P21/02F01L1/047F01L1/14
CPCF02P21/02F02B19/12F02M55/025F02M61/18F02M63/0012F01L1/047F01L1/146F02B19/1019Y02T10/12
Inventor 刘宇王向阳谷乐祺王斌解方喜
Owner JILIN UNIV