Method and apparatus for measuring, regulating and controlling t

Details Method and apparatus for measuring, regulating and controlling t Method and apparatus for measuring, regulating and controlling t

1990-02-20

1992-11-03

Noland, Tom

Measuring and testing

Volume or rate of flow

By measuring thrust or drag forces

73160, 738658, G01F 130

Patent

active

051598400

ABSTRACT:
An apparatus for measuring the quantity of fiber tufts during flight thereof, having an impact element provided with an impact face arranged in the flow path of the fiber tuft stream and being exposed for collision with the fiber tufts. The impact face is situated at an oblique angle to the flow direction of the fiber tufts. There is further provided a measuring element operatively connected to the impact element for generating signals representing stresses or excursions of the impact element derived from the collision of fiber tufts with the impact face. An electronic evaluating device is connected to the measuring element for receiving signals therefrom.

REFERENCES:
patent: 2057641 (1936-10-01), Curley et al.
patent: 3140604 (1964-07-01), Bernet
patent: 4157661 (1974-06-01), Schindel
patent: 4354622 (1982-10-01), Wood
patent: 4440029 (1984-04-01), Tomiyasu et al.
patent: 4614122 (1986-09-01), Graves
patent: 4742675 (1988-05-01), Leifeld
patent: 4854171 (1989-08-01), Hergeth
patent: 4987646 (1991-01-01), Leifeld et al.

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