Flow accelerator for leak detector probe

Details Flow accelerator for leak detector probe Flow accelerator for leak detector probe

1994-02-18

1995-05-23

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

7386358, 7386473, G01N 124, G01M 304

Patent

active

054171059

ABSTRACT:
A leak detection system (50) including a flow accelerator for directing and accelerating leaking gas toward a sampling probe (70). A probe input tube (72) is inserted into one end (62B) of a larger diameter adapter tube (60) to position the end of the tube (72) past a suction opening (62D). The other end (62A) of the adapter tube is positioned to receive leaking gas. A suction is applied to the suction opening, which tends to draw the leaking gas into the adapter tube end (62A). Some of the leaking gas is drawn into the suction opening, and some into the end of the sampling tube. The suction causes the leaking gas to be accelerated toward the sampling probe input port. The suction can be created by a venturi (66C) through which is passed a gas under pressure. The acceleration of the gas through the venturi creates the suction. The flow accelerator significantly reduces the time required to locate small gas leaks.

REFERENCES:
patent: 3771349 (1973-11-01), Yatabe
patent: 4060001 (1977-11-01), Archerd
patent: 4962673 (1990-10-01), Wang et al.
patent: 4970905 (1990-11-01), McClennen et al.
patent: 5281397 (1994-01-01), Ligon et al.

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