System and method for determining flow characteristics

Details System and method for determining flow characteristics System and method for determining flow characteristics

2007-04-10

2007-04-10

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

Using differential pressure

Reexamination Certificate

active

11009561

ABSTRACT:
A fluid flow probe including: first, second and third pressure sensors; a first port for communicating a first pressure to the first pressure sensor; a second port for communicating a second pressure to the second pressure sensor, the second port being substantially oppositely disposed with respect to the first port, a third pressure port suitable for communicating a static pressure to the third pressure sensor; first and second outputs electrically coupled to the first and second pressure sensors, respectively, one of the first and second outputs indicative of a total pressure and the other of the outputs indicative of a base pressure; and, a third output electrically coupled to the third pressure sensor and indicative of the static pressure.

REFERENCES:
patent: 3355946 (1967-12-01), Lazell
patent: 3646811 (1972-03-01), DeLeo et al.
patent: 4182188 (1980-01-01), Britton et al.
patent: 4624146 (1986-11-01), Nakagawa
patent: 4730487 (1988-03-01), DeLeo et al.
patent: 4833917 (1989-05-01), Wilson
patent: 4957007 (1990-09-01), Gray
patent: 5616861 (1997-04-01), Hagen

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