# US 9,750,966 B2 · Fixed fire extinguishing apparatus

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- Number: US 9,750,966 B2
- Document ID: US9750966B2
- Status: Granted
- Kind: B2
- Application number: 14/367,371
- Filed: 2012-08-16
- Published: 2015-11-12
- Granted: 2017-09-05
- Earliest claimed: 2011-12-20
- Assignees: Xi'an Westpeace Fire Technology Co., Ltd
- Applicants: Jian Qiang; Zhengjun Lei
- Inventors: Jian Qiang; Zhengjun Lei
- Web page: https://patentgrep.com/patent/US9750966B2

## CPC

- A62C 35/13: with a finite supply of extinguishing material
- A62C 3/16: in electrical installations, e.g. cableways
- A62C 35/023: {the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas (for foam generation A62C5/02)}
- A62C 37/40: with electric connection between sensor and actuator
- A62C 99/0045: {using solid substances, e.g. sand, ashes; using substances forming a crust}
- A62C: FIRE-FIGHTING (fire-extinguishing compositions, use of chemical substances in extinguishing fires A62D1/00; spraying, applying liquids or other fluent materials to surfaces in general B05; alarm arrangements G08B, e.g. fire alarms actuated by smoke or gases G08B17/10)

## 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

### Claim 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.

### Claim 2 (depends on 1)

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

### Claim 3 (depends on 1)

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.

### Claim 4 (depends on 3)

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.

### Claim 5 (depends on 1)

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.

### Claim 6 (depends on 5)

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.

### Claim 7 (depends on 1)

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