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US 2025/0025727 A1Published application
Systems and methods of sprinkler spring seals having ceramic coatings
AssigneeTyco Fire Products LP
InventorsVivekanandan S, Bharani Kannan
Life of this patent
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Abstract
A sprinkler includes a body, at least one frame arm extending from the body, a deflector coupled with the at least one frame arm, a seal, and a thermal trigger between the deflector and the seal. The seal has a sol-gel material coating. The thermal trigger is to allow the seal to be released from the outlet responsive to a fire condition.
Claims20
A sprinkler, comprising:
- a body having an internal passageway extending between an inlet and an outlet;
- at least one frame arm extending from the body;
- a deflector coupled with the at least one frame arm;
- a seal coupled with the outlet, the seal having a sol-gel material coating;
- and
- a thermal trigger between the deflector and the seal, the thermal trigger to allow the seal to be released from the outlet responsive to a fire condition.
3 more elements
A seal assembly of a sprinkler, comprising:
- a button of metal;
- a seal coupled with the sprinkler button, the seal is of metal;
- and
- a sol-gel material coating on the seal.
1 more element
A seal, comprising:
- an annular disc of metal, the disc having a first side and a second side and forming a central opening;
- and
- a sol-gel material coating on the first side and the second side, the coating comprising a metal oxide.
Dependencies are inferred from the claim text.