Abstract: An embodiment of a fire suppression apparatus for fighting fires from an aerial vehicle is disclosed having a foam and water held in separate containers that when mixed forms a fire retardant in the separate water container, a pump driven by a first electric motor, the pump including an air induction valve positioned at the pump inlet where air and the fire retardant are drawn into the inlet and pressurized simultaneously by the pump, a primer pump driven by a second electric motor to prime the inlet with the fire retardant before starting the pump, an inverter to control startup of the first electric motor, and an aimable boom connected to the pump by a conduit, the boom including a nozzle on a distal end of the boom from which the pressurized water/foam/air fire retardant is dispensed toward a target. Vertical mount plates can attach the apparatus to opposite sides of the helicopter.

Abstract: A fire suppression system includes a motor and a foam pump. The foam pump is driven by the motor to inject one or more chemical additives from an off-board additive container into a discharge conduit. A bypass valve is in fluid communication with the output of the foam pump. One or more sensors are configured to measure at least one operating condition of the foam pump. A controller is in communication with the one or more sensors and is operatively connected to the bypass valve. The controller is configured to determine, based on data received from the one or more sensors regarding the at least one operating condition of the foam pump, whether the foam pump is experiencing a loss of prime, and to open the bypass valve in response. The motor may also selectively operate in one of two modes depending on the rotational speed and torque required.

Abstract: A fire apparatus includes an engine, a fluid delivery system, and a controller. The fluid delivery system includes a first pump that provides a first fluid output at a first pressure, and a second pump positioned downstream of and coupled to the first pump in a serial arrangement. The second pump is driven by the engine. The second pump provides a second fluid output at a second pressure. During a first mode, the first fluid output is dischargeable from a low pressure discharge. During a second mode, the second fluid output is dischargeable from a first high pressure discharge and/or a second high pressure discharge, the engine operates at a first set point when the second fluid output is discharged from the first high pressure discharge, and the engine operates at a second set point when the second fluid output is discharged from the second high pressure discharge.

Abstract: Systems and methods include a computer-implemented method for monitoring fire water networks. A fire water network (FWN) is monitored for leaks in real-time. Current instrument readings are received from instruments in the FWN. A leak signature associated with the FWN is generated in real-time using the current instrument readings. The leak signature is configured to identify the presence or absence of leaks in the FWN. The leak signature is compared, in real-time, to historical leak signatures associated with historical leaks. A determination is made, based on the comparing, the presence or the absence of a leak in the FWN. Upon determining the presence of the leak, a notification of the leak is automatically provided. Upon determining the absence of the leak, monitoring of the FWN for leaks is continued.

Abstract: Embodiments of the present invention are related to an automated structure and curtilage protection system including a mechanical system hub, a piped network, a plurality of spray nozzles, and a remote user control portal. The mechanical system hub includes at least one of a control center, a pump, a pressure tank, a plurality of controllable valves, and a chemical injector assembly. The system is structured to autonomously take system action depending on a hierarchy of preprogrammed threat levels. The system is also structured to autonomously deliver water at set time intervals onto a structure and curtilage when instruction sets corresponding to relative threat levels have been activated. The system is further structured to autonomously deliver chemically infused water solely onto a structure's curtilage for a set time interval when instruction sets corresponding to a relative threat level have been activated.

Abstract: One or more techniques and/or systems are disclosed for a substantially automated fire suppression system, based on a distributed control communications network. The distributed system can comprise a communication network and at least two control components that are communicatively coupled with the communication network. A first control component can perform a first fire suppression operation, transmit first fire suppression operation data to the communication network, and receive second fire suppression operation data from the communication network. A second control component can perform a second fire suppression operation, transmit second fire suppression operation data to the communication network, receive first fire suppression operation data from the communication network, and alter the second fire suppression operation based at least upon the received first fire suppression operation data.

Abstract: A fire fighting vehicle includes a chassis, an engine coupled to the chassis, a fluid tank configured to store a fluid, a fluid delivery system, and a controller. The fluid delivery system includes a first pump, a second pump, a low pressure discharge, a first high pressure discharge, and a second high pressure discharge. The first pump is coupled to the fluid tank and configured to pump the fluid therefrom at a first pressure. The second pump is positioned downstream of and coupled to the first pump in a serial arrangement. The controller is configured to selectively vary at least one of a speed, a power output, and a torque output of the engine and thereby provide the fluid to at least one of the first high pressure discharge and the second high pressure discharge at a target discharge pressure.

Abstract: A wildland urban interface (WUI) firefighting apparatus is provided in the form of a four-wheel or all-wheel drive pumper truck that merges the high-clearance and off road capability of a Type 3 wildland pumper truck with the functionality, exceptional handling, mobility and storage capacity of a Type 1 pumper truck. The truck can include a short front overhang chassis yielding a 20+ degree angle of approach and an optional 20+ degree angle of departure. The truck can include a compact water distribution system including a narrow discharge manifold plumbed to an engine PTO driven primary pump and optional portable secondary pump, which can operate during pump and roll firefighting procedures. The discharge manifold can be coupled to electronic valves operated via a control panel, and can be so narrow that it can contribute to shortening the truck's wheelbase.

Abstract: Systems and methods for remote monitoring of mechanical fire suppression systems are provided. For example, some embodiments generally provide for a smart fire suppression system with integrated sensors and communication technology to monitor the current state of the fire suppression system and notify various monitoring platforms, service providers, equipment manufacturers and/or others of the current state. In some embodiments, various sensors (e.g., micro switches) can be used to detect and report the status of the cartridge, activation status of the system, and/or the status of the detection line. Additional sensors and actuators may be also be included within the smart fire suppression system to allow monitoring of different states (e.g., temperature) and control the appliance and/or building utilities.

Abstract: Disclosed are computer implemented systems and methods for in situ inspection of a roof of a policy holder's dwelling. The inspection system establishes a baseline condition at a first point in time for the roof by scanning using one or more sensors to collect baseline condition data. The roof is scanned at a point in time subsequent to the first point in time to establish a present condition using the one or more sensors to collect present condition data. The baseline condition data and the present condition data are transmitted to a computing device which compares the baseline condition data with the present condition data to determine anomalies indicative of roof damage or deterioration and/or to determine repair needs for the roof.

Abstract: Systems and methods for fire protection of a fixed space using a fire protection unit having a fixed volume of firefighting agent; a manifold coupled to the fixed volume and an actuator axially aligned with the manifold to pressurize the firefighting agent within the manifold for discharge and dispersion to protect the fixed space.

Abstract: A quadcopter pressure washer that may facilitate cleaning objects and surfaces in remote areas. The quadcopter pressure washer includes a tubular airframe, a plurality of rotary motors, a battery and controller, a pair of antennae, a signal receiver, a nozzle, a turret, a high-pressure hose, a pressure washer, a direct current or a DC power source, an alternating current/direct current or a AC/DC converter and a 120V AC power source. The quadcopter pressure washer also includes an operator control panel include additional a pair of antennae that extend upward in a programmable position from the operator control panel to transmit or receive any suitable electromagnetic signals. The additional pair of antennae utilizes state-of-the-art Doppler radar technology in electrical communication with the battery and controller. The operator control panel includes a signal emitter positioned in front of the operator control panel.

Abstract: A building intruder defensive system includes a shield module including a tank configured to hold pressurized fluid, a nozzle, and a zone valve connected to the tank and the nozzle, the zone valve being configured to regulate flow of the pressurized fluid from the tank to the nozzle, a sensing device configured to sense presence of an intruder, and to output a signal indicating the presence of the intruder, and a processor programmed to receive the signal from the sensing device as indicating the presence of the intruder, to control the zone valve to cause the zone to open and close so as to spray the pressurized fluid through the nozzle, and to communicate with at least one remote device to deliver system information to at least one of law enforcement and a building occupant.

Abstract: The present invention especially relates to a fire protection system (1) with a wetting system (23) which is designed and equipped for the wetting of a predetermined extinguishing volume (11) with extinguishing water, wherein the wetting system (23) is designed and equipped in such a way that in a pure water-gas extinguishing measure within a defined operating envelope the concentration of extinguishing gas in the extinguishing volume remains below the extinguishing concentration.

Abstract: A fire detection and suppression system correcting fire detection based on wind. Wind may affect both the apparent position of the fire detected by the fire detectors and also the suppressant jet being delivered by a monitor. Typically wind results in shifting of estimated fire location away from the real fire in the direction of wind. Similarly, the suppressant jet will also be diverted in the same direction. The system comprises fire detectors for acquiring two-dimensional fire location information for a fire. A wind sensor acquires wind information, often in region of the fire. A system controller then compensates the three-dimensional fire location information based on the wind information. Additionally, the position of fog/jet monitors is preferably compensated based on the wind information. The jet pressure setting is also ideally determined based on the wind.

Abstract: A fire extinguishing appliance adjustable in foam expansion ratio includes a main body, a spray-head seat connected with the main body, and a guide unit. The main body is provided with an agent chamber received therein with a non-toxic agent, while the guide unit is formed with an inlet, an outlet and an inner wall having a damping piece mounted thereon. Thus, when the non-toxic agent is actuated to pass through the inlet and get into the guide unit, the non-toxic agent will collide with the damping piece and rotate to carry out foaming, able to enhance the foam expansion ratio, the mixing efficiency and the fire extinguishing efficiency of the non-toxic agent.

Abstract: A test and monitoring system for a pump installation that initiates a cycle, admits liquid to the pump installation by an electrically-actuated valve, detects a predetermined event, stops admittance of the liquid to the pump installation by the electrically-actuated valve, and indicates results of the test cycle. The predetermined event may be a passage of a predetermined amount of time, an input from a liquid level sensor, or an input from a current sensor. The current sensor may be in electrical communication with a pump of the pump installation. The pump installation may be a sump pump installation.

Abstract: A multipurpose tool (1) for oil spill control, preferably offshore, comprises a remotely controlled telescopic arm (5) having a first end (6) and a second end (7). The first end (6) is mounted on a vessel (25) and the second end (7) is provided with a quick-release coupling (8) for the fitting of various replaceable nozzles (15) thereto. The various replaceable nozzles (15) are connected to one or more hydraulic tubes (20) and tubes for supplying oil spill control agents and recovering collected oil.

Abstract: A control system for a fire fighting device is provided. The control system may include a controller configured to operably connect over a network to a first valve controller controlling a status of a first valve in response to an input from the controller, a second valve controlling a status of a second valve in response to an input from the controller, and a governor operably controlling a power source in response to an input from the controller. The control system may further comprise a touchscreen display operably connected to the controller, the display configured to display the status of the first and second valves and configured to receive an input from a user, wherein controller generates a manipulatable icon displayed on the touchscreen display, a manipulation of the icon generating the input from the controller to the first valve controller.

Abstract: A trim manifold assembly is utilized to facilitate control of the control valve in a fire protection system. The trim manifold assembly utilizes a manifold block with numerous passageways to provide desired flow communication between various components, such as automatic and manual valves, check valves, inlet and exit ports, and sensor ports, by way of non-limiting example. The trim manifold assembly can be cost-effectively manufactured and may require less assembly steps. The trim manifold assembly can facilitate the assembly of a fire protection system and the attachment of the trim manifold assembly to the control valve for operation thereof.

Abstract: A fire protection sprinkler system with modified sprinkler heads compromising a water supply; a network of hosing connected to the water supply; a plurality of sprinkler heads placed along the network hosing, where the each of the plurality of sprinkler heads include a series of water stream emission points; and multiple streams of water emitted from the water stream emission points, where each stream is emitted at a different angle.

Abstract: Various embodiments, aspects and features of the present invention encompass a system and/or a method for fighting fires that leverages the use of one or more hovercraft components generally referred to in this specification as “tethercraft.” Generally, embodiments of the tethercraft system include a pumping station applied to a water source and tethered to one or more tethercraft components. Advantageously, the tethercraft components may be remotely controlled to target specific areas of the fire by dispensing water and/or fire retardant chemicals.

Abstract: A building sprinkler system includes a pump having an input for receiving water and an output that is connected to selectively feed a plurality of sprinkler heads. A driver is operatively connected to the pump for driving the pump. A cooling arrangement is provided for cooling the pump during pump testing operations. The cooling arrangement includes: a heat exchanger with a primary loop formed by a flow path for delivering water from the output of the pump through the heat exchanger and back to the input of the pump, and a secondary loop formed by a flow path for delivering coolant from the heat exchanger through a radiator and back to the heat exchanger so that heat is transferred from the water to the coolant via the heat exchanger and from the coolant to air via the radiator.

Abstract: An integral tank frame for an emergency response vehicle is provided. The integral tank frame includes a tank mounted within an envelope of space of a ladder frame. The ladder frame has side rails that support the tank on either side thereof. The tank can be mounted to the side rails such that it extends across the top of the side rails, interior to the side rails, or a combination thereof.

Abstract: A method and apparatus for fluid storage and pumping comprising a fluid storage tank incorporating a housing cavity.

Abstract: A pumping apparatus comprising an engine-driven primary pump and a discharge system is provided with a hydraulically driven additive injection system. The additive injection system includes at least one vessel containing an additive, a delivery conduit for transporting the additive from the vessel to the discharge system, and an additive pump for pumping the additive from the vessel to the discharge system via the delivery conduit. The additive pump is preferably a centrifugal pump driven by a hydraulic turbine mounted within the discharge system downstream of the primary pump.

Abstract: Water-based fire protection systems are provided that enable water conservation during testing and maintenance and manage water use by the system. Water reclamation aspects allow for cost savings in operation, testing, and maintenance of the system and reduce environmental impact. For example, the present systems and operating methods afford water collection aspects, water conservation through reuse, sustainability, and a reduction in energy necessary for testing. The water collection and reuse features can be part of a water conservation system that is integrated with a fire protection system during installation or can be coupled to a preexisting fire protection system.

Abstract: A firefighting apparatus comprising a controller, and a hydraulic pump driven by a power-take-off and operable to supply a hydraulic fluid under pressure. A water pumping subsystem is powered by the hydraulic fluid and operable to supply water under pressure to a conduit, wherein a flow rate of water is substantially regulated by controlling the hydraulic fluid input to the water pumping subsystem. A chemical foam subsystem is powered by the hydraulic fluid and operable to inject foam at a predetermined flow rate into the conduit, wherein the flow rate of the foam is substantially regulated by controlling the hydraulic fluid input to the chemical foam subsystem. An electrical power generator subsystem is powered by the hydraulic fluid and operable to generate electrical power, wherein the frequency and voltage of the generated power is substantially regulated by controlling the hydraulic fluid input to the electrical power generator subsystem.

Abstract: Example devices, systems, and methods disclosed herein relate to a controller configured to control pressure maintenance in a fire protection system. A controller may be configured to control a fire pump to provide a first level of water pressure and to control operation of a jockey pump that is coupled in parallel with the fire pump to provide a second level of water pressure that is less than the first level. The controller is further configured to receive, from a pressure sensor coupled to the fire protection system, an output representative of the water pressure. The controller is configured to provide instructions to initiate the jockey pump based on a pressure value associated with the output being below a first value, and to provide instructions to initiate the fire pump based on the pressure value being below a second value that is less than the first value.

Abstract: Embodiments of the invention provide a fire-fighting system including a low-pressure system and an ultra-high pressure system (UHPS). The fire-fighting system can also include a foam proportioning system, which can inject a foamant into the low-pressure system and/or the UHPS. The low-pressure system and the UHPS can be simultaneously operated. Some embodiments of the fire-fighting system can be installed on aircraft rescue fire fighting (ARFF) vehicles.

Abstract: A wildfire prevention system is described. The system includes a data measurement station for measuring environmental factors relevant for determining the likelihood of a wildfire in a prescribed area, a control station configured to receive data measured by the data measurement station and to determine the likelihood of a wildfire by comparison of the data received with predetermined data values representing likelihood of a wildfire, the predetermined data values including data values for each of the environmental factors individually and in combination with other environmental factors, and a moisture induction system including a water reservoir, configured for induction of moisture in the prescribed area on activation by the control station on the determination of the likelihood of a wildfire in the prescribed area. A method of preventing a wildfire is also described.

Abstract: A firefighting apparatus on a small all-terrain utility vehicle has a U-shaped water tank closely spaced from the driver's cab. A reel for a high-pressure hose is mounted in the U of the water tank. A high-pressure engine driven pump is connected to the reel and a high-pressure hose through a water management system, which directs water from the water tank to the pump, and from the pump to the hose. The pump has a pressure valve which sets the engine idle when the high-pressure water nozzle is closed. A pressure unloader valve recirculates water from the pump outlet to the pump inlet when the nozzle is closed. A check valve is used between the water tank and a point where water recirculates to the pump. A prefilter is connected between the check valve and the water tank.

Abstract: An method and apparatus for disbursing a pressurized liquid in the absence of electricity are disclosed. The method and apparatus for disbursing a pressurized liquid in the absence of electricity can include a gas source, a liquid source, a liquid pressurization system, and a liquid delivery system.

Abstract: A trim manifold assembly is utilized to facilitate control of the control valve in a fire protection system. The trim manifold assembly utilizes a manifold block with numerous passageways to provide desired flow communication between various components, such as automatic and manual valves, check valves, inlet and exit ports, and sensor ports, by way of non-limiting example. The trim manifold assembly can be cost-effectively manufactured and may require less assembly steps. The trim manifold assembly can facilitate the assembly of a fire protection system and the attachment of the trim manifold assembly to the control valve for operation thereof.

Abstract: A pilot valve assembly for regulating the output of a first pressure source relative to a second pressure source, a fluid system equipped with the valve assembly, and a method of operating the valve assembly. The valve assembly includes a valve body with inlet and outlet ports and first and second sensing ports. The first and second sensing ports are adapted to sense, respectively, the fluid pressures of the first and second pressure sources. The inlet port is adapted for fluidically connecting to the first pressure source. The valve assembly defines a flow path between the inlet and outlet ports, and has components for allowing fluid flow from the inlet port, through the flow path, and to the outlet port only if the fluid pressure of the first pressure source exceeds the fluid pressure of the second pressure source by a differential by the flow-allowing components.

Abstract: A method and apparatus for fluid storage and pumping comprising a fluid storage tank incorporating a housing cavity.

Abstract: A fire suppression and control system includes a unique fire pump controller which uses advanced technologies in a manner consistent with the need for high reliability in the fire protection industry. A preferred controller includes three PIC chips including a control PIC for controlling operation of the water pump, a power monitor PIC for receiving all voltage and current inputs to the controller, and a data recorder PIC for collection and storage of data relevant to the system.

Abstract: A compressed gas foam system is provided. The compressed gas foam system includes one or more optional fluid pumps, one or more mixing devices, one or more optional foam systems; one or more optional gas compressors, and a system controller. A method of using the compressed gas foam system is also provided.

Abstract: A method for pumping water on a naval vessel is disclosed, the method including but not limited to pumping fresh water from a fresh water reservoir into a fresh water flush tank; pumping salt water from a salt water reservoir into a a fire water reservoir during fire operations; controlling a valve in liquid communication to alternately connect the fire water reservoir to the salt water reservoir to supply salt water to the fire water reservoir during fire operations and connecting the fire water reservoir to the fresh water flush to flush salt water from the fire water reservoir after fire water operations. A system is disclosed for practicing the method.

Abstract: An exemplary fire suppression system includes a sprinkler nozzle. At least one conduit is connected to the nozzle for delivering a fire suppression fluid to the nozzle. The conduit and the nozzle establish a discharge path. A pneumatically driven pump is connected with the conduit for pumping fluid into the conduit. A gas source provides pressurized gas to the pump for driving the pump. The gas source also provides gas to the discharge path for achieving a desired discharge of the fluid from the nozzle.

Abstract: A Self-Testing and Self-Setting residential fire pump system for residential fire protection. The system is designed to boost pressure into a residential sprinkler system when water supply is insufficient to meet the sprinkler system's design requirements. The system comprises an in-line vertical multi-stage, centrifugal pump connected to an electric motor with horsepower ranges from ¾ to 10, a flow rate range of 15 gpm-200 gpm, and pressure ranges of 20 psi-238 psi. The system also comprises a controller assembly which is programmed to Self-Test and Self-Calibrate to most residential fire sprinkler systems with the push of a button, and a manifold made from brass or stainless steel pipe fittings connected to the pump's suction and discharge ports, allowing water to flow from an existing water supply through the pump to either the test loop or existing residential fire sprinkler system. The pump and controller can be mounted on an ABS base.

Abstract: A fire-fighting pumper vehicle that includes a cab configured to transport a crew of firefighters, a water tank disposed to the rear of the cab, and a chassis configured to support the cab, the water tank, and one or more fire pump systems disposed on the chassis proximate to, and forward of, the rear wheels. In some embodiments, the fire pump system includes a power take-off pump, which is configured to operate a water only system or a compressed-air foam system from a gear case of the fire pump. The fire pump system includes nested components and is located and configured to occupy less space than conventional fire pump systems.

Abstract: A novel skimmer port flow diverter for use with swimming pools having a dual port skimmer apparatus includes an inverted U-shaped conduit having at each lower end of a pair of vertically downwardly disposed legs thereof a tapered elastomeric bushing insertable into suction and main-drain ports, respectively, at the bottom of a skimmer box to thus enable substantially all of the water contained in a swimming pool basin to be drawn out at the maximum flow rate of which an existing swimming pool circulation and filtration pump is capable.

Abstract: A fluid delivery system for delivering fluid in response to fire. The system includes one or more fluid delivery devices responsive to fire to deliver fluid, an inlet pipe for conveying fluid toward the fluid delivery devices, and one or more flow sensors. At least one of the flow sensors is arranged to sense when fluid is flowing along the inlet pipe towards the devices, a pump and plumbing. The plumbing connects the pump in parallel to the flow sensor of the inlet pipe to pressurize portions of the system downstream of the flow sensor of the inlet pipe. The plumbing also connects a portion downstream of at least one of the flow sensors to an upstream side of the pump to define a fluid circuit about which fluid may be circulated by the pump to test the at least one of the flow sensors of the system.

Abstract: Control method and control apparatus of the electric motors of a pump unit of a fire protection system, which fire protection system comprises spray nozzles (112), a pump unit, a control system with pressure-measuring means, and piping (105) for conducting extinguishing medium from the pump unit to the spray nozzles, which pump unit comprises pump drives, each of which comprises a pump (101) and an AC electric motor (102, 203a-203f) rotating it, which AC motor can be connected to an AC electricity network via a contactor device (206a-f), in which pump unit the AC electric motors are controlled on the basis of the pressure to be measured in the piping, and in which one of the electric motors (102, 203a-203f) at a time is controlled by means of a frequency converter (108, 204) such that the motor to be controlled with the frequency converter operates as a motor that under the control of the frequency converter steplessly adjusts pressure and the others are started up into the network as steplessly adjusting mot

Abstract: A fire truck operable to automatically refill a water tank comprises a first pressure transducer coupled to an intake inlet of the pump and operable to measure an intake pressure, a second pressure transducer coupled to a discharge outlet of the pump and operable to measure a discharge pressure, a first pump discharge pipe coupled between the discharge outlet of the pump and a fire hose, a second pump discharge pipe coupled between the discharge outlet of the pump and the water tank, a control valve disposed in the second pump discharge pipe, and a controller operable to automatically sense a low water level condition of the tank, and automatically control the engine speed, the pump speed, and the control valve so that adequate water supply to the fire hose via the first pump discharge pipe is automatically maintained while automatically refilling the water tank via the second pump discharge pipe.

Abstract: The invention provides a fire extinguishing apparatus. The fire extinguishing apparatus includes a holding unit for holding various components of the fire extinguishing apparatus. The fire extinguishing apparatus also includes one or more tubes which are operatively coupled to the holding unit. The one or more tubes are capable of rotating with respect to the holding unit, such that an axis of rotation of a tube is angled at a predetermined angle to the earth surface. Further, each tube of the one or more tubes includes one or more nozzles for dispersing a fire extinguishing fluid to a location of the fire. The fire extinguishing fluid is supplied to the one or more tubes through a fluid supplying unit. The fluid supplying unit and the one or more tubes are held together by the holding unit in a suspended manner above the location of the fire.

Abstract: The present disclosure provides for an advantageous extinguisher or discharge assembly. In exemplary embodiments, the present disclosure provides for an improved hydro-pneumatic fire extinguisher or discharge assembly. More particularly, the present disclosure provides for an improved hydro-pneumatic fire extinguisher or discharge assembly that is configured and dimensioned to fire or release a fire fighting agent (e.g., a fluid and/or liquid based fire fighting agent) while the extinguisher/assembly is oriented in any position or angle relative to gravity.

Abstract: The present disclosure provides for an advantageous extinguisher or discharge assembly. In exemplary embodiments, the present disclosure provides for an improved hydro-pneumatic fire extinguisher or discharge assembly. More particularly, the present disclosure provides for an improved hydro-pneumatic fire extinguisher or discharge assembly that is configured and dimensioned to fire or release a fire fighting agent (e.g., a fluid and/or liquid based fire fighting agent) while the extinguisher/assembly is oriented in any position or angle relative to gravity.

Abstract: A building sprinkler system includes a pump having an input for receiving water and an output that is connected to selectively feed a plurality of sprinkler heads. A driver is operatively connected to the pump for driving the pump. A cooling arrangement is provided for cooling the pump during pump testing operations. The cooling arrangement includes: a heat exchanger with a primary loop formed by a flow path for delivering water from the output of the pump through the heat exchanger and back to the input of the pump, and a secondary loop formed by a flow path for delivering coolant from the heat exchanger through a radiator and back to the heat exchanger so that heat is transferred from the water to the coolant via the heat exchanger and from the coolant to air via the radiator.