Apparatus for dosing a flowing fluid

Details Apparatus for dosing a flowing fluid Apparatus for dosing a flowing fluid

1975-08-18

1976-12-14

Cline, William R.

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

1375645, 222104, G05D 1100

Patent

active

039969533

ABSTRACT:
A device for dosing a flowing fluid with an additive is disclosed. The device has a casing through which the fluid flows and the additive is contained in a bag of flexible material. One end of the bag is held against rotation and the other end of the bag is fast in rotation with a vaned rotor. The flowing fluid is directed onto the rotor vanes so as to cause rotation of the rotor. In use, rotation of the end of the bag attached to the rotor with respect to the other end of the bag causes the bag to be twisted and the volume thereof reduced. A nozzle structure which forms part of the bag includes a bore and the contents of the bag are forced through this bore into the flowing fluid as the volume of the bag is reduced. In an alternative form, the fluid flows through spiral passages of the rotor to achieve the desired torque.

REFERENCES:
patent: 1328942 (1920-01-01), Carter
patent: 1409544 (1922-03-01), Hollock
patent: 2723779 (1955-11-01), Parker et al.
patent: 2867830 (1959-01-01), Usdavin
patent: 3155113 (1964-11-01), Germeshausen
patent: 3199957 (1965-08-01), Vivion
patent: 3407968 (1968-10-01), Fiquet et al.

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