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AIR FLOW

— Flow Measuring Instruments, Transportation, Measurement & Analysis Instruments
Product Category: Flow Meters
Sales Method: Export
Payment Term: T/T
Trade Term (Incoterms): FOB
Min. Order Unit Price
1000 Pieces
Contact Info

Mr.Jason Wu

Address: Taiwan,37, Alley 11, Lane 10, Chung Ming 11th St.
Tel: 886-6-260***
Fax: 886-6-268***
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Product Detail

Product Attribute:

  • Taiwan More >
  • prostar
  • 07/06/2018
  • 10/29/2019

Product Content Description:

An air flow meter is used in some automobiles to measure the quantity of air going into the internal combustion engine. All modern electronically controlled diesel engines use air flow meter,[citation needed] as it is the only possible means of determining the air intake for them. In the case of a petrol engine, the electronic control unit (ECU) then calculates how much fuel is needed to inject into the cylinder ports. In the diesel engine, the ECU meters the fuel through the injectors into the engines cylinders during the compression stroke.

The vane (flap) type air flow meters (Bosch L-Jetronic and early Motronic EFI systems or Hitachi) actually measure air volume, whereas the later "hot wire" and "hot film" air mass meters measure speed of air flow.

The flap type meter includes a spring which returns the internal flap to the initial position. Sometimes if the spring is tensioned too tightly, it can restrict the incoming air and it would cause the intake air speed to increase when not opened fully.

Differential pressure is also used for air flow measurement purposes.

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