Mechanology

EXPANDER
TECHNOLOGY

The Toroidal Intersecting Vane Machine,
or TIVM, is a positive displacement
expander that also offers the flow and
power density features of a turbine.
Click here to learn about the
TIVM's Design Features.

HOW DOES THE TECHNOLOGY WORK?




The chambers formed between
the primary and secondary vanes
enlarge or shrink, thus expanding
and then discharging the working
fluid. (for example: air, steam,
gas, etc.).
The TIVM has no valves. Gas
flow is controlled by the timing
of the primary vanes passing
inlet and discharge ports.
The TIVM contains rotating rings
of vanes whose intersections
dynamically create chambers.
High pressure gas enters
the chamber through an
inlet port.
Pressure in the chambers
cause the primary vanes
to rotate.
The rotating primary ring delivers mechanical power to the integrated drive shaft.
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