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US 6,578,602 B1Granted
Alarm valve system
AssigneeAutomatic Fire Control, Incorporated
InventorKraig A. Kirschner
Life of this patent
Estimating the term…
Abstract
An alarm valve system includes a valve body, a valve seat in the valve body with a groove in the sealing face of the seat. A valve element is positioned to seat on the sealing face. A vent extends from the groove in the valve seat to be in communication with a flow alarm and an accumulator alarm. The accumulator alarm includes a cavity with an opening above and a liquid level switch in the cavity. A drain valve is below the cavity.
Claims10
An alarm valve system comprising
- a valve body including a passage therethrough;
- a valve seat in the valve body including a sealing face and a groove in the sealing face extending about the passage;
- a valve element positioned in the valve body to extend across the passage and seat on the sealing face;
- a vent extending from the groove;
- a flow alarm in fluid communication with the vent;
- an accumulator alarm in fluid communication with the vent.
3 more elements
An alarm valve system comprising
- a valve body including a passage therethrough;
- a valve seat in the valve body and including a sealing face and a groove in the sealing face extending about the passage;
- a flapper element pivotally mounted relative to the valve body to extend across the passage and seat on the sealing face;
- a vent including a restricting orifice and extending from the groove through the valve body;
- a flow alarm in fluid communication with the vent;
- an accumulator alarm lower than the flow alarm and in fluid communication with the vent.
3 more elements
Dependencies are inferred from the claim text.