US Patent 9180326 Method and apparatus for thermally activated sprinklers

Patent 9180326 was granted and assigned to Mide Technology Corporation on November, 2015 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Mide Technology Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

91803260

Date of Patent

November 10, 2015

Patent Application Number

123814850

Date Filed

March 12, 2009

Patent Primary Examiner

‌

Jason Boeckmann

Patent abstract

A sprinkler head including a sprinkler body with a passage for fluid and a seal mechanism sealing the passage, and a cage member. A frangible bulb extends between the cage member and the seal. A shape memory alloy element is associated with the frangible bulb and has a first configuration that fits within, about, or abutting the bulb and a second configuration at a predetermined temperature which breaks the frangible bulb releasing the fluid through the passage.