Invention Grant
- Patent Title: Dry pipe/deluge valve for automatic sprinkler systems
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Application No.: US14799537Application Date: 2015-07-14
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Publication No.: US10201723B2Publication Date: 2019-02-12
- Inventor: David Deurloo
- Applicant: The Reliable Automatic Sprinkler Co., Inc.
- Applicant Address: US SC Liberty
- Assignee: The Reliable Automatic Sprinkler Co., Inc.
- Current Assignee: The Reliable Automatic Sprinkler Co., Inc.
- Current Assignee Address: US SC Liberty
- Agency: Venable LLP
- Main IPC: A62C35/68
- IPC: A62C35/68 ; A62C35/62 ; F16K15/18

Abstract:
A dry pipe valve includes a main chamber having an input port and an output port, a clapper assembly installed in the main chamber, a pushrod, a pushrod chamber, and a dry valve actuator. The clapper assembly includes a clapper that seals the input port of the main chamber, and a hinged lever that holds the clapper in a closed position or allows the clapper to open. Based on a pressure of a control fluid in the pushrod chamber, the pushrod moves to urge the hinged lever against the clapper to hold the clapper in the closed position, or to release the hinged lever and thereby allow the clapper to open. The dry valve actuator is attached to a housing of the pushrod chamber and controls the pressure of the control fluid in the pushrod chamber.
Public/Granted literature
- US20160008645A1 DRY PIPE/DELUGE VALVE FOR AUTOMATIC SPRINKLER SYSTEMS Public/Granted day:2016-01-14
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