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Last Updated: Apr 25, 2025 | Study Period: 2023-2030
The most advanced type of air mass sensor is a hot-film sensor. They have a sensor plate on which a thin film of resistance is placed. This makes it possible to measure any changes fast and precisely. Depending on the vehicle, the sensor is heated to a steady temperature.
The Mass Air Flow Sensor signal is used by the Engine Management ECU (together with other sensor inputs) to calculate the proper Air/Fuel ratios, ignition timing, and on some vehicles, transmission shifting. There is a little hot wire that is electrically heated inside the mass air flow sensor (heating resistor).
The temperature around the hot wire is measured using a temperature sensor (intake air temperature measuring resistor) that is placed close by. In vehicle engines, mass airflow sensors come in two different varieties. These are the hot wire and the vane metre.
The global Automotive hot film air mass sensor market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Bosch said that its plant in Eisenach, Germany, has created its 100 millionth hot-film air-mass metre (HFM). Hot-film air mass metres are made to measure the engine's air intake without taking into account the temperature or density of the air. The information it offers serves as the foundation for metered fuel injection into the engine.
According to the director of Engine Management Systems for Bosch's Automotive Aftermarket Division, "getting the appropriate air-fuel ratio ensures that the engine performs efficiently, which, in turn, decreases emissions." Hot-film air mass metres are also used in contemporary diesel engines to regulate exhaust gas recirculation.
The latest generation HFM 7 is available with either an analogue or digital interface to the control unit and is distinguished by its high-precision metering, sturdy build, and compact size.
Director claims that Bosch is aiming to increase the accuracy and adaptability of the air-mass metre in order to make engines even more fuel-efficient and environmentally friendly in the future. Extra data can be provided for engine control by incorporating additional measuring signals into the HFM, such as temperature, pressure, or humidity.
| Sl no | Topic |
| 1 | Market Segmentation |
| 2 | Scope of the report |
| 3 | Abbreviations |
| 4 | Research Methodology |
| 5 | Executive Summary |
| 6 | Introduction |
| 7 | Insights from Industry stakeholders |
| 8 | Cost breakdown of Product by sub-components and average profit margin |
| 9 | Disruptive innovation in the Industry |
| 10 | Technology trends in the Industry |
| 11 | Consumer trends in the industry |
| 12 | Recent Production Milestones |
| 13 | Component Manufacturing in US, EU and China |
| 14 | COVID-19 impact on overall market |
| 15 | COVID-19 impact on Production of components |
| 16 | COVID-19 impact on Point of sale |
| 17 | Market Segmentation, Dynamics and Forecast by Geography, 2023-2030 |
| 18 | Market Segmentation, Dynamics and Forecast by Product Type, 2023-2030 |
| 19 | Market Segmentation, Dynamics and Forecast by Application, 2023-2030 |
| 20 | Market Segmentation, Dynamics and Forecast by End use, 2023-2030 |
| 21 | Product installation rate by OEM, 2023 |
| 22 | Incline/Decline in Average B-2-B selling price in past 5 years |
| 23 | Competition from substitute products |
| 24 | Gross margin and average profitability of suppliers |
| 25 | New product development in past 12 months |
| 26 | M&A in past 12 months |
| 27 | Growth strategy of leading players |
| 28 | Market share of vendors, 2023 |
| 29 | Company Profiles |
| 30 | Unmet needs and opportunity for new suppliers |
| 31 | Conclusion |
| 32 | Appendix |
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