Multirange flowmeter

Measuring and testing – Volume or rate of flow – Proportional

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G01F 500

Patent

active

044611730

ABSTRACT:
A multi-range gas flowmeter having a primary gas flow passage and a secondary passage which houses the flow measuring device and which is connected to the primary passage at its inlet and outlet ends. A multi-position valve is located in the primary passage between the inlet and outlet ends of the secondary passage to divert all or a portion of the flow to the secondary passage, depending upon the value of the flow rate to be measured.

REFERENCES:
patent: 1681762 (1928-08-01), Connet
patent: 1946275 (1934-02-01), Collins
patent: 2277760 (1942-03-01), Hoffman et al.
patent: 2586060 (1952-02-01), Kronberger
patent: 3066530 (1962-12-01), Stenberg
patent: 3321970 (1967-05-01), Walker, Sr. et al.
patent: 3450164 (1969-06-01), Walker, Jr.
patent: 4083244 (1978-04-01), Agar et al.

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