Dry powder service unit and method of use thereof

Details Dry powder service unit and method of use thereof Dry powder service unit and method of use thereof

2007-07-17

2007-07-17

Hwu, Davis (Department: 3752)

Supports

Brackets

Article holding means

C248S311200, C248S312000, C248S312100, C169S030000, C169S051000

Reexamination Certificate

active

10908279

ABSTRACT:
A dry powder fire extinguisher recharging system charges and discharges a bottle with dry powder. The system includes a frame unit and various components associated with it, such as a clamp assembly to clamp a bottle assembly. The bottle assembly has a bottle in a pre-discharge or a discharge condition, and a valve. There are also components including locking plungers, a torque idler to torque and untorque the valve, a fill valve to recharge the bottle assembly, a fill gauge to pressurize the bottle assembly to the required pressures, a recharge line to charge the bottle assembly with the pressurizing agent, a discharge line to discharge a fully charged bottle, and a socket and an extension. The system also has a valve service area to re-service the valve, and a sprayer gun to remove dry powder residue from the valve during re-servicing of the valve.

REFERENCES:
patent: 4586687 (1986-05-01), Ziaylek, Jr.
patent: 5279685 (1994-01-01), Ivansons et al.
patent: 5458201 (1995-10-01), Brim
patent: 6543736 (2003-04-01), Field
patent: 6651751 (2003-11-01), Kluczynski
patent: 6830226 (2004-12-01), Field et al.

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