Multi-pitot tube assembly

Details Multi-pitot tube assembly Multi-pitot tube assembly

1994-12-08

1996-01-16

Chilcot, Richard

Measuring and testing

Volume or rate of flow

Using differential pressure

7386165, 264275, 2642711, G01F 146

Patent

active

054838398

ABSTRACT:
A multi-pitot tube assembly for use in flow measurements of a fluid surroing a test structure. The assembly has multiple, identically shaped pre-formed pitot tubes sealed within a molded polyurethane fin shape. The pitot tubes are nested together and passed through an alignment disk into separate spread holes in a common sealing plug. The surface of the plug is shaped to conform to the surface of the test structure. The pitot tubes, alignment disk and plug are inserted into a mold and polyurethane is injected to seal the individual tubes and form the fin shape from which the pitot tubes extend. The mold is removed and the assembly is attached to the test structure with the fin extending into the medium and the sealing plug flush with the outer surface of the test structure. A watertight, O-ring seal is provided between the plug and the test structure.

REFERENCES:
patent: 1645449 (1927-10-01), Proebstel
patent: 4717159 (1988-01-01), Alston et al.
patent: 5433114 (1995-07-01), Cook et al.

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