Induction heated mass flow sensor

Details Induction heated mass flow sensor Induction heated mass flow sensor

1998-07-14

1999-09-07

Patel, Harshad

Measuring and testing

Volume or rate of flow

Thermal type

7320425, 7320415, 7320427, 324706, 324725, 374 54, G01F 168

Patent

active

059489782

ABSTRACT:
Sensors for measuring the flow rate of a fluid and for monitoring heat transfer. An induction-heated temperature-responsive sensor in contact with and cooled by the fluid, changes temperature in proportion to the quantity of heat removed by the fluid thereby providing a basis for determining flow rate or heat transfer. A flow modulation method and apparatus for improving the precision of flow rate measurement is also presented.

REFERENCES:
patent: 3777561 (1973-12-01), Lewis
patent: 3802262 (1974-04-01), Banks
patent: 3897684 (1975-08-01), Dewan
patent: 3903741 (1975-09-01), Greene
patent: 3967500 (1976-07-01), Forster
patent: 4195515 (1980-04-01), Smoll
patent: 4825703 (1989-05-01), Kubota
patent: 5461913 (1995-10-01), Hinkle et al.
patent: 5691484 (1997-11-01), Feller

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