Air heater for diesel engine
An air heater and diesel engine technology, which is applied in the machine/engine, fuel heat treatment device, combustion air/combustion-air treatment, etc., can solve the problem that the resistance wire cannot meet the fast start of the diesel engine, the arrangement of the air heater is difficult, and the installation is time-consuming and laborious. and other problems, to achieve the effect of shortening the startup time, occupying less space, and long thermal cycle time
Inactive Publication Date: 2014-12-03
无锡创捷汽车部件有限公司
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Problems solved by technology
In the prior art, the air heaters are all installed inside the intake pipe of the diesel engine. Due to the small space of the intake pipe of the diesel engine, it is difficult to arrange the air heater. It has the disadvantages of long start-up time and difficult start-up, and also has the problem of seriously exceeding the emission standard after start-up.
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[0013] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0014] The present invention includes a housing 2, and an insulator 3 is fitted at the upper and lower ends of the inner cavity of the housing 2, and the inner cavity 201 of the housing 2 is in the shape of "I". There are installation holes (not shown in the figure) on the insulator 3, and a plurality of longitudinally distributed resistance wires 4 correspond to the installation holes and are fitted and installed. The column 6 is fixedly connected, the resistance wire 4 is made of iron-aluminum alloy material, the heating speed is fast, and the thermal cycle time is long, which can satisfy the diesel engine to start quickly at a lower temperature and shorten the start-up time of the diesel engine. The terminal 6 is fixed through the nut 1 where the terminal 6 penetrates the housing 2. An opening 202 is arranged on one side of the housing ...
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The invention relates to an air heater for a diesel engine. The air heater for the diesel engine comprises a shell, wherein insulators are respectively fitted to be arranged on the upper end and the lower end of an inner cavity of the shell; a plurality of resistance wires distributed longitudinally are arranged between the insulators at intervals; leading wires of the resistance wires are fixedly connected with binding posts penetrating through the shell through connecting plates. The air heater for the diesel engine is simple in structure, compact in size, and simple and convenient to install, meets the requirement on less space in an air inlet pipe of the diesel engine, and is simple and convenient to arrange, and small in occupied space; in addition, the resistance wires adopt ferro-aluminium, so that the heating speed is quick, the heat cycle time is long, the requirement that the diesel engine is started quickly at lower temperature is met, the starting time of the diesel engine is shortened, and meanwhile, the emission standard of the diesel engine after starting is also ensured.
Description
technical field [0001] The invention relates to the field of diesel engine air intake heating, in particular to an air heater for a diesel engine. Background technique [0002] The air heater is an auxiliary part to solve the cold start of the diesel engine (called cold start). Its working principle is to energize the heater (generally about 1 minute) to make it reach a high temperature of 800 ℃ ~ 1000 ℃, and pre-heat the diesel engine. The air in the intake pipe enables the diesel engine to start smoothly in the atmospheric environment of -10°C to 35°C (called front heating). In the prior art, the air heaters are all installed inside the intake pipe of the diesel engine. Due to the small space of the intake pipe of the diesel engine, it is difficult to arrange the air heater, and the installation is time-consuming and laborious. Moreover, the resistance wire of the existing air heater cannot meet the needs of the diesel engine at a lower temperature. Under fast start-up, t...
Claims
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IPC IPC(8): F02M31/13
Inventor 周一峰陈兵兵
Owner 无锡创捷汽车部件有限公司