Method for measuring the flow rate of exhaust gas

Details Method for measuring the flow rate of exhaust gas Method for measuring the flow rate of exhaust gas

1990-01-22

1991-08-13

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Proportional

73 3, G01F 500

Patent

active

050386085

ABSTRACT:
In a method of measuring the flow rate of an exhaust gas, an external atmosphere is caused to flow into a pipe which branches off from the main pipe to open at the other end onto the external atmosphere. The flow rate of the atmosphere in the branched-pipe is measured, and the flow rate of the exhaust gas in the main pipe corresponding to the measured value is determined based on a calibration curve.

REFERENCES:
patent: 2342290 (1944-02-01), Miller
patent: 2729976 (1956-01-01), Laub
patent: 3735752 (1973-05-01), Rodder
patent: 4231253 (1980-11-01), Ohnhaus et al.
patent: 4366704 (1983-01-01), Sato et al.
patent: 4487062 (1984-12-01), Olin et al.
patent: 4570493 (1986-02-01), Leemhuis
patent: 4879898 (1989-11-01), Bamer

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