Datasheet > 窜气加热器

窜气加热器

更新时间： 2024-11-06 14:56:19

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
2页	191K
描述
窜气是指从发动机燃烧室中逸出到曲轴箱的气体。这些气体必须在进气歧管中再循环，避免对发动机造成过压损坏。当气体到达进气歧管，气体发生膨胀，气体中的水分会结冰，从而损坏涡轮增压器。窜气加热器可为

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Emissions Sensors

Automotive Sensor Products

Blow-By Heater

Features



Self regulated PTC heating elements

Wide power range available

Choice of connectors and terminals

Benefits



Robust construction makes this heater well suited to

harsh environments

PTC self regulates the power absorption in function of

flow and temperature of the Blow-by gases

No external thermostat needed due to low power

consumption

General Description

Applications

Blow-by gases escape from the combustion chamber of the

engine and reach the crankcase. These gases must be re-

circulated in the intake manifold to avoid overpressure

damages to the engine. When the gases reach the intake

manifold they expand and the moisture contained within them

can become ice, damaging the turbocharger.



All diesel and gasoline engines

The Blow-by Heater keeps these gases warm and prevents

ice formation.

Operation

Basic Principle

When the vehicle ECU detects the risk of ice formation, the Blow-by Heater is switched on by an external relay or power

switch. The Blow-by Heater warms the re-circulated crankcase gases, which avoids the risk of damages to the compressor.

Packaging Options

Custom packaging can be provided to meet any need, please contact Littelfuse Engineering fordetails.

Littelfuse.com

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