Browse Publications Technical Papers 2000-01-1365
2000-03-06

Micromachined Flow Sensor for Fuel Injection 2000-01-1365

This paper presents the structure, operation principle, and fabrication process of a novel type of flow-velocity sensor. Like the well known classical Pitot (Prandtl) tube, it realizes flow velocity detection by measurement of the pressure difference between stagnant fluid pressure in front of the sensor and static pressure in the flow around the sensor. This difference results in a deflection of a diaphragm suspended boss, that serves as the counter electrode of an integrated capacitor which is directly exposed to the fluid to be measured.
Experimental results in the wind tunnel and in the gasoline direct injection experimental set-up confirm the sensor's operation principle and show good time response.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 16% off list price.
Login to see discount.
Special Offer: Download multiple Technical Papers each year? TechSelect is a cost-effective subscription option to select and download 12-100 full-text Technical Papers per year. Find more information here.
We also recommend:
TECHNICAL PAPER

A Nozzle-Integrated Flow Sensor for Common-Rail Injection Systems

2001-01-0614

View Details

TECHNICAL PAPER

A Thermo-Resistive Flow Sensor for Injection Rate Measurements

2002-01-0212

View Details

TECHNICAL PAPER

Inlet Flow Characterization of Thermal Mass Air Flow Meters

910500

View Details

X