Printed on 26/04/12 6/15 U514986-e Revision 4
1.3. Blade-type positive displacement measurement chamber
5
Centre O
8
6
11
4
3
7
2
9
10
1
The measuring chamber consists of:
- An aluminium body (1) made up of 2 cylindrical parts (2) and (3) of different radii, connected via curves
in such a way that the sum of the distances from center point O to two points opposite each other on the
stator is constant.
- A moving part (4) composed of:
- A rotor (5) turning on stainless steel ball bearings (6).
- Graphite blades (7) linked to each other by rods (8).
- Two steel covers (9) and (10).
- A seal O’ring (11) for the shaft.
