Measuring and testing – Volume or rate of flow – Thermal type
Patent
1983-11-17
1985-07-09
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Thermal type
G01F 168
Patent
active
045274274
ABSTRACT:
A device is proposed for determining the flow rate of a flowing medium, in particular the flow rate of air aspirated by an internal combustion engine which includes at least two temperature-dependent measuring resistors which are exposed to the flowing medium, each disposed in a separate bridge circuit, heated to different temperatures and regulated such as to be constant. The measuring resistors as well as the other bridge resistors are embodied as film resistors and are disposed opposite one another, each on a different side of a substrate. One signal per bridge, dependent on the currents flowing through the bridges, is supplied to a signal processing unit, the output variable of which represents a standard for the flow rate of the flowing medium that is independent of the temperature of the flowing medium.
REFERENCES:
patent: 3604261 (1971-09-01), Olin
patent: 3942378 (1976-03-01), Olmstead
patent: 4043196 (1977-08-01), Trageser
patent: 4214478 (1980-07-01), Lauterbach
Goldstein Herbert
Greigg Edwin E.
Robert & Bosch GmbH
LandOfFree
Device for determining the flow rate of a flowing medium does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Device for determining the flow rate of a flowing medium, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for determining the flow rate of a flowing medium will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-902907