Vane anemometer having a modular impeller assembly

Details Vane anemometer having a modular impeller assembly Vane anemometer having a modular impeller assembly

1997-04-17

1998-07-21

Dougherty, Elizabeth L.

Measuring and testing

Volume or rate of flow

Using turbine

7386192, 7317011, G01F 1115

Patent

active

057837538

ABSTRACT:
A vane anemometer is disclosed in which a modular vane assembly is removably mounted within the case of the instrument. Within the modular vane assembly is a rotatably mounted impeller shaft. The impeller assembly preferably can be removed and inserted into a cavity of the anemometer without the use of tools. Consequently, if the impeller, bearings or other components of the impeller assembly should become damaged, the modular impeller assembly can be quickly and easily replaced. The modular impeller assembly is preferably mechanically insulated from the anemometer casing. This minimizes the effect of dynamic forces on the bearings and other components of the impeller assembly. A method of and the structure for precisely and reproducibly adjusting the axial clearance between a shaft and a bearing assembly is also disclosed.

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