Method and apparatus for continuous removal of a sub-quantity fr

Details Method and apparatus for continuous removal of a sub-quantity fr Method and apparatus for continuous removal of a sub-quantity fr

1990-03-13

1991-10-01

Nilson, Robert G.

Fluid handling

Processes

7386303, 7386358, 137 8, 137118, 137605, 137897, 422 83, F16K 1100

Patent

active

050524259

ABSTRACT:
A method and apparatus for controlling the volume stream of a sub-quantity which is continuously removed from a gas stream and which is supplied and mixed with a gaseous dilutant stream, the sub-quantity is conducted from the main stream through a back-up region where the control of the flow of sub-quantity without affecting its composition is effected by a counterflow in a back-up region which is controllably directed in opposition to the sub-quantity flow such as by an annular upstream directed gap surrounding the sub-quantity conduit or by openings which are directed in a direction against the sub-quantity flow or by a pipe directing a flow against the discharge end of the sub-quantity flow. The sub-quantity flow is mixed in a mixing tunnel with a dilution gas and a small quantity of this mixed gas is removed for testing.

REFERENCES:
patent: 3478600 (1969-11-01), Lynn
patent: 3665949 (1972-05-01), Rivard
patent: 3760831 (1973-09-01), Colvin
patent: 4091835 (1978-05-01), Frampton
patent: 4814143 (1989-03-01), Kojima

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