Functions of mass air flow sensors in Automotive Industry
Automotive mass air flow (MAF) sensors are one of the chief components of the electronic fuel injection system in an automobile. The MAF sensor is installed between the intake manifold and air filter of the car engine. The main function of the MAF sensor is to measure the mass air flow or the amount of air that enters an internal combustion engine. Information related to mass air flow in an engine is necessary for the engine control unit for balancing and delivering the correct fuel mass to the engine.
The global automotive mass air flow sensors market is being primarily driven by the benefits offered by these sensors including, improved engine performance, superior engine control, fast response time, high resistance and durability and low airflow restriction among others. Further, increasing vehicle production globally is strongly boosting the market growth of MAF sensors. However, common signs of problems associated with mass air flow sensors include running lean under load or rich at idle, rough stalls and decrease in fuel efficiency.
The global automotive mass air flow (MAF) sensors market can be segmented on the basis of types into hot wire and hot film.
Hot-wire type of mass air flow sensors are most commonly used in the modern automobiles owing to the benefits associated with this type including, low airflow restriction, smaller overall packages, quick response to changes in airflow, low cost and no requirement for separate temperature and pressure sensors among others.
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Based on the design of MAF sensors, the market can be bifurcated into variable voltage output (analog) design and frequency output (digital) design. Both these designs work on the hot wire principle and their operation is similar. The outputs from both can be measured using a scanner or a dvom (digital volt/ohm) meter which can measure frequency.
The global automotive mass air flow (MAF) sensors market can be further classified geographically into North America, Europe, Asia Pacific, South America and Middle East and Africa.
There is strong growth potential for the market in the emerging countries of Asia Pacific, Latin America and the Middle East. Asia Pacific is projected to be the fastest growing market for automotive intake manifolds during the forecast period, with China and Japan being the main contributors to the market in this region.
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Key Players in Market and their Strategy
Some of the major players in the global automotive mass air flow (MAF) sensors market include Robert Bosch GmbH, Denso Corporation, Delphi Automotive PLC, Dorman, Hitachi Automotive Systems Ltd. and ACDelco among others.
The key players in the global market are heavily investing in innovations and research and development activities to manufacture mass air flow sensors that ensure improved engine performance coupled with low levels of harmful emission from the automobile with maximum fuel efficiency.