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| Continuous mixer |
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Mixers
| Details |
Inventors: Wilkinson, Noel R.;
Assignee: Robert Morton DG Limited (GB2)
Primary Examiner:
Assistant Examiner:
Attorney, Agent or Firm:
A fluid mixer in which a pair of interconnected blades (6,6') are mounted either side of a rotatable shaft (8), the blades are each formed from a flat plate bent to form two or more planar portions (40, 42, 44) and mounted to the shaft so that the leading edge (52, 54, 56) of each portion is at a lesser radial distance than the trailing edge (54, 56, 58) of each portion. In this way each blade portion is angled inwardly accurately and the whole blade is easy to form. |
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DETAILED DESCRIPTION I claim: 1.
A fluid mixer for a vessel, said mixer comprising at least two interconnected blades rotatable within said vessel, each blade being mounted opposite the other relative to a rotation axis for said blades, each blade being formed from at least two connected substantially planar portions, the leading edge of the leading planar portion being radially spaced from said rotation axis, the leading planar portion being angled inwardly in the direction of rotation at an angle of about 30.
degree.
relative to a tangent drawn on a phantom circle of rotation that includes the leading edge of that leading planar portion, and the leading edge of each planar portion being positioned at a lesser radial distance relative to said rotation axis than the trailing edge of each said portion is positioned relative to said rotation axis.
2.
A mixer as claimed in claim 1, the trailing planar portion of each blade being angled relative to the vertical towards said rotation axis.
3.
A mixer as claimed in claim 2, each blade comprising three planar portions, the leading portion not being angled relative to vertical, the intermediate portion being angled about 10.
degree.
inwardly relative to vertical, and the trailing portion being angled about 15.
degree.
inwardly relative to vertical.
4.
A mixer as claimed in claim 1, each blade comprising the leading planar portion, an intermediate planar portion and a trailing planar portion.
5.
A mixer as claimed in claim 1, each blade comprising a sweep portion connected to the leading planar portion, said sweep portion being generally directed towards said rotation axis from the leading edge of the leading planar portion.
6.
A mixer as claimed in claim 1, said mixer comprising a first blade support connected to the leading portion of each blade, and a second blade support connected to the trailing portion of each blade, the first and second supports connected to each blade also being connected one with the other to insure maintenance of blade configuration and position relative to the rotation axis
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