Flow sensor and actuator

Details Flow sensor and actuator Flow sensor and actuator

2008-01-28

2010-11-23

Gorman, Darren W (Department: 3752)

Fire extinguishers

Miscellaneous: e.g., blowers

C169S017000, C169S023000, C169S060000, C169S061000, C137S557000, C239S071000, C073S168000

Reexamination Certificate

active

07836966

ABSTRACT:
An arrangement for testing a fire suppression sprinkler system includes a conduit for supplying a flow of fire suppression fluid to at least one sprinkler. A sensor is configured to sense the flow of the fire suppression fluid to the at least one sprinkler. The sensor has a first condition indicative of a predetermined volume of flow of the suppression fluid to the at least one sprinkler and a second condition indicative of a volume of flow of the fire suppression fluid to the at least one sprinkler less than the predetermined volume of flow. An actuator causes the sensor to be in the first condition or the second condition. A signaler provides an indication to a user that the sensor is in at least one of the first condition and the second condition.

REFERENCES:
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patent: 5864287 (1999-01-01), Evans et al.
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patent: 6302146 (2001-10-01), McHugh
patent: 2002/0014270 (2002-02-01), McHugh
patent: 2280369 (1995-02-01), None
Tyco Fire Products Zonecheck®-Flow Switch Tester <<www.tyco-fire.com>> (2 pages).

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