A fire extinguishing system including a fluid storage container configured to store a fire extinguishing agent, and a fluid stream separating device coupled to the fluid storage container, where the fire extinguishing agent passes from the fluid storage container through the fluid stream separating device so that the fluid stream separating device raises a temperature of at least a portion of the fire extinguishing agent flowing through the fluid stream separating device above a boiling point of the fire extinguishing agent at ambient environmental conditions of a discharge location of the fluid stream separating device.

A fire extinguishing system including a fluid storage container configured to store a fire extinguishing agent, and a fluid stream separating device coupled to the fluid storage container, where the fire extinguishing agent passes from the fluid storage container through the fluid stream separating device so that the fluid stream separating device raises a temperature of at least a portion of the fire extinguishing agent flowing through the fluid stream separating device above a boiling point of the fire extinguishing agent at ambient environmental conditions of a discharge location of the fluid stream separating device.

A nozzle assembly includes a nozzle body and a flow straightener. The nozzle body defines an inlet configured to be fluidly coupled to fluid source, an outlet, and a nozzle body passage extending between the inlet and the outlet. The flow straightener is coupled to the nozzle body and extends at least partially across the nozzle body passage. The flow straightener defines a primary passage and a secondary passage extending through the flow straightener to fluidly couple the inlet and the outlet of the nozzle body. The primary passage defines a primary passage outlet having a cross-sectional area, and the secondary passage defines a secondary passage outlet having a cross-sectional area that is less than the cross-sectional area of the at least one primary passage. At least one of the primary passage outlet and the secondary passage outlet has a circular cross-section.

A nozzle configured to receive and disperse a high-pressure fluid or a low-pressure fluid is disclosed. The nozzle includes a nozzle body defining an open end, a closed end, and a side wall connecting the open end to the closed end, where the open end of the nozzle body configured to receive either the high-pressure fluid or the low-pressure fluid. The side wall defines a plurality of low-pressure apertures, a plurality of high-pressure apertures, and a compressible member positioned within the nozzle body. The plurality of high-pressure apertures are positioned downstream from the plurality of high-pressure apertures. The low-pressure apertures are smaller in size by a predefined ratio when compared to the high-pressure apertures. The compressible member is in an expanded position and blocks the plurality of high-pressure apertures when the open end of the nozzle body receives the low-pressure fluid.

A fire suppression nozzle includes a first conduit including an inlet and an outlet, a second conduit coupled to the first and including a plurality of outlets spaced apart from a second plurality of outlets. The nozzle includes a first annular sound absorbing member positioned on a first side of the outlet and a second annular sound absorbing member positioned on a second side of the outlet wherein the first conduit provides inert gas to the second conduit. The inert gas exits the outlet in a first direction and a first portion of the inert gas is directed toward the first plurality of outlets in a second direction and a second portion is directed toward the second plurality of outlets in a third direction opposite the second direction, wherein the second and third directions are generally perpendicular to the first direction.

A fire suppression nozzle includes a first conduit including an inlet and an outlet, a second conduit coupled to the first and including a plurality of outlets spaced apart from a second plurality of outlets. The nozzle includes a first annular sound absorbing member positioned on a first side of the outlet and a second annular sound absorbing member positioned on a second side of the outlet wherein the first conduit provides inert gas to the second conduit. The inert gas exits the outlet in a first direction and a first portion of the inert gas is directed toward the first plurality of outlets in a second direction and a second portion is directed toward the second plurality of outlets in a third direction opposite the second direction, wherein the second and third directions are generally perpendicular to the first direction.

The present invention relates to a spray of microjets emanating at an inclined angle from nozzles comprised in a substantially planar membrane layer. A spray nozzle unit for spraying a plurality of fluidic microjets from a pressurized liquid comprises a substantially planar (semiconductor) support having an upstream surface and a downstream surface, and a spray membrane layer arranged on the downstream surface of the support. The spray membrane layer comprises a plurality of nozzle orifices each configured for spraying a fluidic microjet in a Rayleigh regime. Thee support defines a cavity extending from the upstream surface to the spray membrane layer. The cavity is in fluid communication with each one of the nozzle orifices for supplying the pressurized liquid to the nozzle orifices. A position of the nozzle orifices, seen along a direction perpendicular to the downstream surface, is offset in respect of a centre of the cavity. At least two of the nozzle orifices exhibit a different offset in respect of the centre of the cavity.

The present invention relates to a spray of microjets emanating at an inclined angle from nozzles comprised in a substantially planar membrane layer. A spray nozzle unit for spraying a plurality of fluidic microjets from a pressurized liquid comprises a substantially planar (semiconductor) support having an upstream surface and a downstream surface, and a spray membrane layer arranged on the downstream surface of the support. The spray membrane layer comprises a plurality of nozzle orifices each configured for spraying a fluidic microjet in a Rayleigh regime. Thee support defines a cavity extending from the upstream surface to the spray membrane layer. The cavity is in fluid communication with each one of the nozzle orifices for supplying the pressurized liquid to the nozzle orifices. A position of the nozzle orifices, seen along a direction perpendicular to the downstream surface, is offset in respect of a centre of the cavity. At least two of the nozzle orifices exhibit a different offset in respect of the centre of the cavity.

The invention relates to a multi-area fire extinguishing system, having a control system, a number of fluid control lines that are configured to transmit a control pressure as a function of control commands of the control system, and a number of fluid-actuated area valves that are each in fluid communication with the control lines, wherein the area valves are configured to be actuated as a function of the received control commands. The invention proposes, in particular, a fluid-actuated area blocking apparatus which is operatively coupled to the fluid control lines and to the area valves and which is configured such that, when one or more area valves are actuated, said area blocking apparatus opens up those area valves and blocks all other area valves. The invention furthermore relates to a controller for a multi-area fire extinguishing system, to an area blocking apparatus for a fire extinguishing system, and to the use of same.

The invention relates to a multi-area fire extinguishing system, having a control system, a number of fluid control lines that are configured to transmit a control pressure as a function of control commands of the control system, and a number of fluid-actuated area valves that are each in fluid communication with the control lines, wherein the area valves are configured to be actuated as a function of the received control commands. The invention proposes, in particular, a fluid-actuated area blocking apparatus which is operatively coupled to the fluid control lines and to the area valves and which is configured such that, when one or more area valves are actuated, said area blocking apparatus opens up those area valves and blocks all other area valves. The invention furthermore relates to a controller for a multi-area fire extinguishing system, to an area blocking apparatus for a fire extinguishing system, and to the use of same.