Resources Contact Us Home
Fluid flow rate and direction measuring apparatus

Image Number 6 for United States Patent #4680962.

A fluid flow measuring device which does not disturb the fluid flow, in one embodiment is responsive to flow in each of three orthogonal directions. A central electrode carrying ionizing needle electrodes is combined with a concentric and coaxial open ion collecting structure that establishes a voltage gradient to the central electrode. The preferred embodiment employs a plurality of rings supported by rods that are parallel to the central electrode. The rings are subdivided into quadrants by insulating segments. Displacement of the ion cloud, resulting from fluid motion, is directly related to fluid velocity and can be resolved into components in the desired directions. Alternative embodiments include cylindrical sensors that can be oriented in the fluid stream for non interference with the rate and direction of flow.

  Recently Added Patents
Non-volatile memory cell containing a nano-rail electrode
Fringe field switching mode liquid crystal display panel
Electronic package with fluid flow barriers
Selective high frequency spinal cord modulation for inhibiting pain with reduced side effects, and associated systems and methods
Vehicle detection apparatus and method using magnetic sensor
Inter-cell power control in the presence of fractional frequency reuse
Methods and apparatuses for anti-shading correction with extended color correlated temperature dependency
  Randomly Featured Patents
Fuel-air control device
Gate formation method for reduced poly-depletion and boron penetration
Method and apparatus for thickening lime mud in a disc filter
Non-resonant antenna for wind profilers
Electrical double layer capacitor and portable electronic apparatus equipped with electrical double layer capacitor
Pharmaceutical compositions which inhibit vascular proliferation and method of use thereof
Multi-cylinder/combustion engine
Purification of organic silicon polymer
Fuse box semiconductor device
Cleaning process using phase shifting of dense phase gases