Heteroscopic turbine

Details Heteroscopic turbine Heteroscopic turbine

2005-08-23

2005-08-23

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Smooth runner surface for working fluid frictional contact

C416S004000, C416S23100A

Reexamination Certificate

active

06932564

ABSTRACT:
A heteroscopic turbine with a Knudsen number of less than ten. In one embodiment, the heteroscopic turbine generates a flow from a gas. The turbine includes at least a moving surface and a plurality of turbine blades on or in said surface. Each of the blades has a height comparable to a mean free path distance that characterizes molecules in the gas, and the blades are spaced apart by a distance comparable to the mean free path distance. In operation, the surface moves such that the turbine blades pass through the gas at a speed comparable to the mean thermal velocity. In different embodiments, the turbine can perform filtering of molecules in the gas based on direction and/or speed (velocity). Also, techniques by which such a turbine operates.

REFERENCES:
patent: 5871336 (1999-02-01), Young
patent: 5932940 (1999-08-01), Epstein et al.
patent: 6533554 (2003-03-01), Vargo et al.
patent: 2004/0179946 (2004-09-01), Gianchandani et al.
patent: WO 2004/059147 (2004-07-01), None

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