IP Library Granted Patent US 9,750,966
Granted Patent B2
US 9,750,966 · App. 14/367,371 · Granted Sep 5, 2017

Fixed fire extinguishing apparatus

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Quick Facts
Patent No.
US 9,750,966
App. No.
14/367,371
Granted
Sep 5, 2017
Kind
B2
Abstract

A fixed fire extinguishing apparatus, comprising a housing ( 2 ), a cartridge ( 1 ) and an activation controller connected to the cartridge ( 1 ), wherein the cartridge ( 1 ) is numbered at least two and arrayed in the housing ( 2 ), a bottom of the cartridge penetrates through the fixing hole and extends to a bottom of the bracket, the fixing device comprises a bolt fixed at the bottom of the cartridge, a nut matched with the bolt, a rotation-stopping main body is clamped directly to the bottom of the bracket and a bump fixed on the rotation-stopping main body ( 3 - 1 ) and clamped with the bolt; a through groove is provided on the bolt, a through-direction of the through groove is perpendicular to the extending direction of an axis of the bolt the bump can be embedded in the through groove.

Claims (12)

1. A fixed fire extinguishing apparatus, comprising:

a housing, cartridges and an activation controller connected to each of the cartridges, wherein the cartridges are formed in an array in the housing;

a bracket configured to support the cartridges is further provided in the housing; a top of the bracket is provided with a fixing holes matched with a structure of an outer wall of the cartridges; a bottom of each of the cartridges penetrates through the fixing holes and extends to a bottom of the bracket;

a counter bore at a top of the housing; a spraying end of each of the cartridges extends into the counter bore; the bottom of each cartridge is fixedly connected with the bracket through a plurality of fixing devices which are connected;

the plurality of fixing devices comprise a bolt fixed at the bottom of each of the cartridges, a nut matched with the bolt, a rotation-stopping main body that is clamped directly to the bottom of the bracket and a bump fixed on the rotation-stopping main body and clamped with the bolt;

a through groove is provided on the bolt, a through-direction of the through groove is perpendicular to an extending direction of an axis of the bolt; the bump is embedded in the through groove to prevent rotation.

2. The fixed fire extinguishing apparatus according to claim 1 , wherein the rotation-stopping main body is integrated with the bottom of the bracket.

3. The fixed fire extinguishing apparatus according to claim 1 , wherein a spraying window may be further provided at a front side wall of the housing; a filter net is provided on the spraying window; a deflecting plate extending to the spraying window is provided above the spraying end of the cartridge.

4. The fixed fire extinguishing apparatus according to claim 3 , wherein the outer wall of the cartridge is fixedly connected with the bracket by filling a silica gel liquid.

5. The fixed fire extinguishing apparatus according to claim 1 , wherein the activation controller is provided at a bottom of the housing and connected with an ignition head of the cartridge through a conductor.

6. The fixed fire extinguishing apparatus according to claim 5 , wherein a side wall of the bottom end of the housing is provided with a moveable gate the moveable gate faces the activation controller in the housing.

7. The fixed fire extinguishing apparatus according to claim 1 , wherein there are 3 to 20 cartridges.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 24, 2026
From: NANO FIRE, LLC
To: HUBEI JIANDUN FIRE TECHNOLOGY CO., LTD.
Reel/Frame 074160/0571 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 25, 2022
From: XI'AN WESTPEACE FIRE TECHNOLOGY CO., LTD.
To: NANO FIRE, LLC
Reel/Frame 058838/0083 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 19, 2016
From: XI'AN J&R FIRE FIGHTING EQUIPMENT CO., LTD
To: XI'AN WESTPEACE FIRE TECHNOLOGY CO., LTD
Reel/Frame 039485/0481 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 20, 2014
From: QIANG, JIAN; LEI, ZHENGJUN
To: XI'AN J&R FIRE FIGHTING EQUIPMENT CO., LTD.
Reel/Frame 033147/0119 →