Device for measuring the mass of a flowing medium

Details Device for measuring the mass of a flowing medium Device for measuring the mass of a flowing medium

1980-10-27

1982-07-13

Goldstein, Herbert

Measuring and testing

Simulating operating condition

Marine

73204, G01F 168

Patent

active

043388140

ABSTRACT:
An apparatus for measuring the mass of a flowing medium, especially for measuring the aspirated air mass in internal combustion engines, which has a temperature-dependent resistor disposed in the path of a flowing medium, whose temperature and/or resistance is controlled in closed-loop fashion in accordance with the mass of the medium, with the control variable being a standard for the mass of the medium. The temperature-dependent resistor is embodied as a hot band and guided over at least three support points in the form of a loop. The band portions of the loop extending away from the intermediate support point are then connected with one another in an electrically conductive manner at a contact area. The hot band is disposed in the flowing medium in such a manner that one of the narrow faces performs as an exposed face of the hot band disposed counter to the flow direction, while the wide faces extend substantially in the flow direction.

REFERENCES:
patent: 2652721 (1953-09-01), McMillian et al.
patent: 4109510 (1978-08-01), Rodder
patent: 4213335 (1980-07-01), Peter et al.
patent: 4252016 (1981-02-01), Saver et al.

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