IP Library Granted Patent US 12,157,023
Granted Patent B2
US 12,157,023 · App. 17/248,019 · Granted Dec 3, 2024

Cartridge replacement aid

Inventor: Karl F. Penden (Rumford, RI)
Assignee: Kidde-Fenwal, LLC
A62C35/68A62C35/645
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Quick Facts
Patent No.
US 12,157,023
App. No.
17/248,019
Filed
Jan 5, 2021
Granted
Dec 3, 2024
Kind
B2
Art Unit
3752
USPC
169/16
Abstract

A cartridge replacement aid and a fire suppression system for incorporating the same are provided. The cartridge replacement aid helps to ensure that a disposable cartridge is removed and replaced after actuation. The cartridge replacement aid includes an aperture configured to allow a cartridge to pass through the cartridge replacement aid and connect to a valve, and a protrusion configured to perpendicularly extend from the cartridge replacement aid. The protrusion of the cartridge replacement aid, in certain instances, is configured to break when the fire suppression system is actuated. The protrusion of the cartridge replacement aid, in certain instances, is configured to prevent the cam of the fire suppression system from being reset without removing the cartridge replacement aid.

Claims (16)

1. A fire suppression system comprising:

a cartridge for holding a pressurized gas, the cartridge operatively connected to a valve;

a cam for engaging a piercing pin, the piercing pin configured to release the pressurized gas when engaged; and

a cartridge replacement component configured between the cartridge and the cam, the cartridge replacement component comprising:

an aperture configured to allow the cartridge to pass through the cartridge replacement component and connect to the valve; and

a protrusion configured to perpendicularly extend from the cartridge replacement component.

2. The fire suppression system of claim 1 , wherein the cartridge replacement component is configured to fit over at least a portion the valve.

3. The fire suppression system of claim 1 , wherein the cartridge replacement component is configured within a control box, the control box comprising a window configured to allow the cartridge replacement component to be visually inspected.

4. The fire suppression system of claim 1 , wherein the cam comprises a projection, the projection configured to break the protrusion of the cartridge replacement component when engaging the piercing pin.

5. The fire suppression system of claim 4 , wherein a broken protrusion indicates that the cartridge has not been replaced.

6. The fire suppression system of claim 1 , wherein the cam comprises a projection, the projection in combination with the protrusion configured to prevent the cam from being reset without removing the cartridge replacement component.

7. The fire suppression system of claim 1 , wherein the cartridge replacement component further comprises a collar configured to perpendicularly extend from the cartridge replacement component circumferentially around the aperture.

8. The fire suppression system of claim 7 , wherein the collar is configured to prevent the cam from being reset without removing the cartridge replacement component.

9. The fire suppression system of claim 1 , wherein a diameter of the aperture is smaller relative to a diameter of the cartridge.

10. The fire suppression system of claim 9 , wherein the aperture diameter prevents the removal of the cartridge replacement component without removing the cartridge.

11. The fire suppression system of claim 1 , wherein the fire suppression system further comprises a cylinder for holding a fire suppression agent.

Assignments (5)
RELEASE OF SECURITY INTEREST Recorded Jul 17, 2025
From: CERBERUS BUSINESS FINANCE AGENCY, LLC
To: KIDDE-FENWAL, LLC
Reel/Frame 072039/0243 →
SECURITY INTEREST Recorded Jul 17, 2025
From: KIDDE-FENWAL, LLC
To: MGG INVESTMENT GROUP LP, AS COLLATERAL AGENT
Reel/Frame 072039/0358 →
SECURITY INTEREST Recorded Aug 15, 2024
From: KIDDE-FENWAL, LLC
To: CERBERUS BUSINESS FINANCE AGENCY, LLC
Reel/Frame 068657/0151 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 10, 2024
From: KIDDE FENWAL, INC.
To: KIDDE-FENWAL, LLC
Reel/Frame 068263/0432 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 8, 2024
From: KIDDE IP HOLDINGS LIMITED; CARRIER CORPORATION; CARRIER FIRE & SECURITY, LLC; CARRIER GLOBAL CORPORATION
To: KIDDE-FENWAL, INC.
Reel/Frame 068218/0738 →
Continuity (2)
Provisional Application 62963606 · Jan 21, 2020
Related Publication 20210220685A1 · Jul 22, 2021