Apparatus for measuring a bulk stream

Details Apparatus for measuring a bulk stream Apparatus for measuring a bulk stream

1986-03-05

1987-10-20

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

G01F 182

Patent

active

047005785

ABSTRACT:
An apparatus for measuring a preferably heterogeneous bulk stream having a rotating element borne by a shaft, said element being driven at a constant speed and radially deflecting the bulk stream acting axially upon said rotating element, thereby impressing on it a tangential velocity component, the torque dependent on the bulk stream being measured at the shaft, and having a two-step spur gear disposed in a carrier element and having four spur wheels with geometrical radii R.sub.1, R.sub.2, R.sub.3 and R.sub.4, respectively, the first spur wheel which is disposed on the shaft meshing with the second spur wheel which is disposed on the intermediate shaft and the third spur wheel which is also disposed on the intermediate shaft meshing with the fourth spur wheel disposed on a driving shaft. The intermediate shaft movably mounted in the carrier element, the direction of movement of said intermediate shaft corresponding to the direction of the reaction force acting on the intermediate shaft, is fixed in its position by a force measuring means and the idling friction torque RM.sub.A of the output shaft and the idling friction torque RM.sub.Z of the intermediate shaft satisfy, with their absolute values and the predetermined condition R.sub.3 is greater than R.sub.2, the following condition: ##EQU1##

REFERENCES:
patent: 2775125 (1956-12-01), Peaceman
patent: 2934951 (1960-05-01), Li

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