Patent ID: 7389827

Claim:
A discharge assembly for use with a fire suppression delivery system, comprising: a nozzle having an inlet end configured to receive a fire suppression agent and having a discharge end with an orifice therein to dispense the fire suppression agent in a desired manner, the nozzle having an outer nozzle surface; a blow-off cap having a closed end portion and wall portion that together form an open-ended cavity shaped to receive the discharge end of the nozzle and cover the orifice, the closed end portion including a closed end that is located in close proximity to the orifice of the nozzle when the blow-off cap is mounted on the discharge end of the nozzle such that the orifice directs the fire suppression agent directly onto the closed end portion; a receptacle having a first groove formed in the outer nozzle surface of the nozzle and having a second groove formed in an interior cap surface of the wall portion of the blow-off cap; and a retention element fit within the first and second grooves of the receptacle and engaging the outer nozzle surface and the interior cap surface to provide a predetermined amount of retention resistance to retain the blow-off cap on the nozzle.