Fluid sampling apparatus

Details Fluid sampling apparatus Fluid sampling apparatus

1976-05-05

1977-04-19

Swisher, S. Clement

Measuring and testing

Measuring vessel

G01N 114

Patent

active

040180891

ABSTRACT:
Improved apparatus for bringing a fluid in a process stream in contact with a sensor is disclosed. The present invention uses the kinetic energy of the process fluid to convey some of the fluid to and from the sensor, as opposed to the prior art practice of inserting the sensor itself into the process fluid stream. A nozzle is placed into the process fluid stream facing into the direction of flow. A small portion of the flowing process fluid is trapped by the nozzle and some of its kinetic energy is converted to pressure. This pressure causes a flow from the nozzle into a conduit through an open valve to the sensor. The fluid continues past the sensor and returns to the process fluid stream through the same valve. In one embodiment, the path for incoming fluid and exiting fluid are separate paths. In a second embodiment, the incoming fluid and exiting fluid exist coaxially.

REFERENCES:
patent: 2481882 (1949-09-01), Sebald
patent: 3177706 (1965-04-01), Shuman et al.
patent: 3538748 (1970-11-01), Linsell
patent: 3590473 (1971-07-01), Carlson
patent: 3625065 (1971-12-01), Thompson

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