561 results about "Fire pump" patented technology

In a fire pump adapted to force out the water, which is pumped from a water source, from a nozzle provided at a front end portion of a delivery hose, a nozzle control unit 8 adapted to control the fire pump remotely is provided in the vicinity of the nozzle. The nozzle control unit 8 is connected to a body of the fire pump 1 by power source lines 33. On the nozzle control unit 8, a control instruction unit for instructing an operating mode of the pump 1, and a numerical value display unit for displaying the operation condition of the fire pump are provided. The transmitting and receiving of an operation control signal and a condition display signal are done between the pump 1 and nozzle control unit 8 by power line communication via the power source lines 33, whereby the operation condition of the pump 1 is feedback displayed in real time in response to a control operation of a nozzle operator.

The present invention discloses and claims a single vehicle that has both full fire fighting capability in the form of a pumper in permanent combination with full medical rescue and transport capability. Provided is a transport pumper of conventional design having a crew cab with four entrances, a large capacity fire pump, a tank containing a quantity of water, another tank containing a quantity of foam, a substantial length and diameter of fire hose, ground ladders, a side controlled pump operator's panel, and all other necessary equipment to be in substantial compliance with NFPA Standard 1901. Permanently provided on the same chassis as the pumper is an ambulance or rescue transport including rear entry double doors for patients, a rear dump capability, two supine patients on stretchers carrying capabilities, air conditioning, a side entrance door and all necessary equipment be in substantial compliance with federal standard KKK-A-1822E for a rescue transport. The rescue transport is modified only to the extent necessary to accommodate ground ladders and a hose bed on the top of the rescue transport. The vehicle concept is one of a modular design in permanent combination on a single chassis using standardized equipment already familiar to fire rescue personnel which can be readily refurbished and replaced with conventional equipment at minimized cost.

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.

A unitary fire pump controller and transfer switch assembly is housed in a single cabinet having a fire resistant barrier dividing the cabinet into at least two separate compartments. A fire pump controller device is contained within a first compartment. An automatic transfer switch is contained in the second compartment and separated from the control device by the barrier.

The present invention discloses and claims a single vehicle that has both full fire fighting capability in the form of a pumper in permanent combination with full medical rescue and transport capability. Provided is a transport pumper of conventional design having a crew cab with four entrances, a large capacity fire pump, a tank containing a quantity of water, another tank containing a quantity of foam, a substantial length and diameter of fire hose, ground ladders, a side controlled pump operator's panel, and all other necessary equipment to be in substantial compliance with NFPA Standard 1901. Permanently provided on the same chassis as the pumper is an ambulance or rescue transport including rear entry double doors for patients, a rear dump capability, two supine patients on stretchers carrying capabilities, air conditioning, a side entrance door and all necessary equipment be in substantial compliance with federal standard KKK-A-1822E for a rescue transport. The rescue transport is modified only to the extent necessary to accommodate ground ladders and a hose bed on the top of the rescue transport. The vehicle concept is one of a modular design in permanent combination on a single chassis using standardized equipment already familiar to fire rescue personnel which can be readily refurbished and replaced with conventional equipment at minimized cost.

A fire sprinkler system assembled as a complete package 13D-13R-U.L. listed components including a fire pump/motor, electric controller, pipe fittings, manifold assembly, ball valve, flow switch, pressure switch, pressure gauge, and check valve, all mounted on a frame attached to a high density polyethelene base. The invention also uses optional water storage tanks.

A periodic tester to determine the readiness of a fire pump system interfaces with a fire pump controller, an electric motor, and a sprinkler system. The fire pump controller has a power on/off sensor which interfaces with an electric motor which starts the fire pump to provide water to the sprinkler system. The power on/off system has a contactor coil as a component. The periodic tester targets two of the main components of fire system failure: the power on/off sensor and the contactor coil. The periodic tester may be retrofitted to existing systems and interface either directly or indirectly with the power on/off sensor to accommodate both systems that have a solenoid valve and those that do not. The periodic tester is designed to attempt to start the system only once during a set cycle. Any failure to start is displayed through audible and visual alarms.

The invention discloses a fire control system with power supply conversion and inspection functions. The fire control system is designed according to the current situation that a domestic fire pump and spray pump system powered by the aid of double power supplies, and water is supplemented to a water pump by a main pump and a spare pump. The whole fire control system comprises a double power supply inspection cabinet, a fire pump control cabinet and a spray pump controller. The fire control system realizes the double power supply automatic/manual conversion function, automatic/manual starting and stopping functions of an electric fire pump and an electric spray pump, a fault alarm function, an event recording and querying function and a water pump current monitoring and protection function. The fire control system is integrally designed, the power supply conversion function and the water pump inspection function are integrated and are uniformly managed, water pump controllers are individually arranged in the fire pump control cabinet and a spray pump control cabinet, and the fire control system overcomes the shortcomings that a traditional water pump control system is troublesome in connection wire, complicated in control and difficult in maintenance.

The present invention discloses and claims a single vehicle that has full fire fighting capability in combination with full medical rescue and transport capability. Provided is a transport pumper of conventional design having a crew cab with four entrances, a large capacity fire pump, a tank containing a quantity of water, another tank containing a quantity of foam, a substantial length and diameter of fire hose, ground ladders, a side controlled pump operator's panel, and all other necessary equipment to be in substantial compliance with NFPA Standard 1901. Provided on the same chassis as the pumper is a transporter including rear entry double doors for patients, a rear dump capability, two patient carrying capabilities, air conditioning, a side entrance door and all necessary equipment be in substantial compliance with federal standard KKK-A-1822E for a rescue transport. The transport is modified only to the extent necessary to accommodate ground ladders and a hose bed on the top of the transport. The vehicle concept is one of a modular design using standardized equipment already familiar to fire rescue personnel which can be readily refurbished and replaced with conventional equipment at minimal cost.

A microprocessor based jockey pump controller for controlling operation of a jockey pump used to maintain pressure within a fire pump system. The controller includes an electronic circuit board having a microprocessor mounted thereon, and a solid state pressure sensing device for monitoring a current level of the pressure. The sensing device is connected to the board for transmitting to the microprocessor an electrical signal indicative of the current level of the pressure. The microprocessor compares the received signal to predetermined pressure thresholds for selectively starting or stopping the jockey pump.

The invention relates to a fire extinguishing system network intelligent control device, which can timely track monitoring management according to the running state of a fire extinguishing system, and can record the entire running process and state so as to realize remote monitoring and remote control. The device adopts PLC (Programmable Logic Controller)to detect the water outlet pressure of thefire extinguishing system, a fire activating signal and a manual activating signal of a fire alarm linkage control cabinet to automatically control a network intelligent control cabinet to be under afire-fighting state, and to start a fire pump to run. A pressure transmitter and an electric drain valve are arranged on a fire control outlet pipe and a return pipe on a fire control pipe network, the network intelligent control cabinet is connected with the fire alarm linkage control cabinet and a fire pump control cabinet on the fire control pipe network, and a network management monitoring center is respectively connected with the fire alarm linkage control cabinet and the network intelligent control cabinet. The invention can cause the fire extinguishing system to be under an ideal state, can find a fault timely, automatically records a working state, realizes centralized monitoring and management, and has important meaning for ensuring the stable running of the fire extinguishing system.

The invention discloses a fine water mist fire extinguishing system and a fire extinguishing method in a railway tunnel. The system of the present invention includes image type fire detectors, fire alarm controllers, fire pumps, water tanks, partition control valves, fine water mist nozzles and connecting pipelines. Image type fire detectors are installed on the side walls of the tunnel. The fire alarm controller is connected to the fire alarm controller, and the fire alarm controller controls the start and stop of the fire pump and the partition control valve. The fire pump, partition control valve and fine water mist nozzle are connected by stainless steel pipes to form a fine water mist pipe network. The method of the present invention can realize automatic positioning, segmented full-package protection, reduce ambient temperature, reduce toxic smoke, and extinguish fires. In addition to the performance of a general fine water mist fire extinguishing system, it can also observe the fire scene through video and locate the railway tunnel. The fire extinguishing is carried out according to the location of the train compartment, and the double-layer fine water mist nozzles form a full package against the train compartment, which greatly shortens the fire extinguishing time.

In an internal combustion engine system where the heat in the engine jacket coolant is discharged in a water cooled heat exchanger, an independent and automatic by-pass safety cooling system responsive solely and directly to engine jacket coolant temperatures to ensure that cooling of the engine will continue without reliance upon any other control system or personnel.

Example devices, systems, and methods disclosed herein relate to controlling operation of a jockey pump of a fire pump system. A jockey pump controller may include an electronic circuit board configured to receive a signal indicating a pressure value, and to compare the pressure value to a threshold for initiating operation of a jockey pump. The jockey pump controller may further include memory configured to store event statistics indicating information regarding past operation of the jockey pump. Additional example devices, systems, and methods are described herein.

The invention discloses a singlechip-based small routing inspection controller for a fire pump group, belonging to the control equipment of fire pumps. The controller is characterized by comprising a control board based on a singlechip MCU (Micro Controller Unit), a display screen, a light-emitting diode signal lamp group and a photoelectric coupler all connected with a display drive circuit in the MCU, a button group of a switching value shaping circuit in the MCU, an input signal wiring terminal board connected with an analog signal processing circuit and the switching valve shaping circuit in the MCU, a relay group connected with a relay drive circuit in the MCU, an output signal wiring terminal board driving a fire-fighting control cabinet water pump group alternating current contactor by the relay group, an asynchronous communication serial interface wiring terminal connected with a communication drive circuit in the MCU, and a power interface wiring terminal connected with a power circuit in the MCU. After trial, in comparison with the prior art, the controller gets rid of the control devices, such as a variable frequency speed controller, thus, both product cost and use cost are lowered; and the control system is simplified due to the singlechip, and further the reliability of the control system is improved effectively.

The invention discloses a fixed type composite jet extinguishing device which comprises a control compartment. With direct current pressure water as a carrier, the fixed type composite jet extinguishing device is provided with a superfine dry powder tank, a compressed air pipeline, a cooler, an air inlet control valve, a powder outlet control valve, a powder outlet pipeline, a water outlet control valve, a water outlet pipeline, a jet device, a foam proportion mixer, a B type foam tank, a foam pipeline, a FireAde 2000 or F500 solution tank, a FireAde 2000 or F500 liquid outlet control valve, a B type foam liquid outlet control valve, a water source, a water supply control valve, a fire pump, a drive shaft, a vane air compressor, a power dividing compartment and a motor. Power generated by the motor respectively drives the cooler and the vane air compressor after passing through the power dividing compartment and drives the fire water pump after passing through the drive shaft. The fixed type composite jet extinguishing device disclosed by the invention organically combines extinguishing agent, such as water, B type foam mixed liquid, FireAde 2000 (or F500) mixed liquid, superfine dry powder, and the like, has the effects of performance compatibility and advantage complementation and exceeds the traditional single and narrow defined extinguishing technology.

The invention discloses an assembly type fire pump room hoisting construction method and structure based on the BIM technology, and belongs to the technical field of building construction. According to the method, equipment and pipelines in a machine room are comprehensively arranged and accurately modeled through the BIM technology, the installation positions and elevations of the equipment and the pipelines are determined, and pipeline prefabricated machining sections are divided; forms of supports and hangers and mounting positions are set, and an integrated hoisting supporting system is designed; according to a BIM processing drawing, the machining pipe sections and the supports and hangers are prefabricated; and after machining of the pipe sections and the supports and hangers is completed, according to the BIM machining drawing and ready-made pipe section support marks, pipeline modules are assembled at a time based on the hoisting sequence determined in a construction scheme, and the pipe sections and the supports and hangers are hoisted through the integrated hoisting supporting system. According to the construction method and structure, pipeline hoisting work is completedwhile the pipeline supports are installed, and assembling and hoisting work of the pipelines and the equipment in the machine room can be efficiently and accurately completed.

The invention discloses a multifunctional cleaning vehicle for road washing operation. The multifunctional cleaning vehicle comprises a vehicle with a water storage tank. The multifunctional cleaning vehicle is characterized in that sweeping operation is completed by an axial and horizontal rolling brush positioned at the front of a vehicle head, the rolling brush is driven by driving machines and can be driven by lifting and steering hydraulic cylinders to ascend, descend or turn to different directions, water is sprayed to the front of the vehicle and two sides of the ground below the rolling brush and the vehicle via a vehicular fire pump and a water path system, the various driving machines, the cylinders and valves are electrically and automatically controlled by a control system, switches are disposed in a cab and can be controlled by an operator, and LED indicator lamps are additionally mounted on a vehicle body. The mechanical and automatic road washing operation is realized by the aid of the automatic control system in the cab; the high-pressure water and the rolling brush are operated, so that the sweeping efficiency is high; stains or ice layers or accumulated snow on the ground can be washed, so that the cleaning vehicle is multifunctional; and the multifunctional cleaning vehicle can be used for roads, squares and footways, can also be used for manually sweeping small-area stains, and is high in applicability.

The invention discloses an automatic priming device for a centrifugal pump. The automatic priming device mainly comprises a centrifugal pump, a gas-liquid separating tank, a liquid level sensor, a controller, an injector and a valve, wherein the gas-liquid separating tank is connected with a sucking port of the centrifugal pump, the liquid level sensor and a second pneumatic valve; the input of the controller is connected with the liquid level sensor; the output of the controller is connected with an electromagnetic reversing valve; the electromagnetic reserving valve is connected with a first pneumatic valve, the second pneumatic valve and a cut-off valve; and the injector is connected with the second pneumatic valve and is simultaneously connected with the first pneumatic valve through a one-way check valve. According to the automatic priming device disclosed by the invention, the function of automatically priming is achieved and the condition that no cavitation phenomenon always occurs in the operation process of the centrifugal pump can be ensured. In addition, the automatic priming device has the advantages of simple structure, low manufacturing and maintaining cost and stability and reliability in operation and is especially suitable for priming before the start of a ship ballast pump, a bilge pump and an emergency firefighting pump.

The invention relates to a digital multifunctional special fire water supply device controller, comprising a programmable logic controller, a pressure sensor and a PID adjustor; wherein, the programmable logic controller is provided with a steering instruction receive port, a fire pump control port and a frequency conversion control port, the steering instruction receive port is used to receive digital steering instructions, the fire pump control port is used to be connected to a fire pump main control loop to control startup and stop of the fire pump, and the frequency conversion control port is used to be connected to a frequency converter to control operation of the frequency converter; the pressure sensor is used to be connected to a fire water supply network to detect network pressure and generate simulated pressure signals; the PID adjustor is used to process the simulated pressure signals and then transmit the signals to the frequency converter to control output frequency of the frequency converter and convert simulated pressure signals into digital signals and transmit the signals to the programmable logic controller; the controller further comprises a analog-to-digital conversion module, a display screen logging module, a network interface module and/or a short text message outgoing module. The invention can realize digitalized control and improve accuracy of the control.

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.

The invention discloses an operation simple and quick inside individual loop circuit switch control cabinet of manually operated machine installation with fire control pump star bugle firing. The control cabinet includes a control cabinet body, a touch device and a convex wheel shaft clutch chest body, wherein the convex wheel shaft clutch chest body inside has convex wheel components and carrier rod components, and through a rotation handle, the control cabinet controls the convex wheel components and the carrier rod components, thereby connecting or disconnecting the touch device. The control cabinet of manually operated machine installation with fire control pump star bugle firing, through the rotation handle, carries out operations, the rotation handle when bringing along the movement of the main shaft inside the control cabinet body brings along the movements of a first convex wheel, a second convex wheel and a third convex wheel, according to a preset location of the convex wheel, the control cabinet when rotating chooses the touch device required to be connected, and is very convenient in operation and in replacing the control return circuit.

In an internal combustion engine system where the heat in the engine jacket coolant is discharged in a water cooled heat exchanger, an independent and automatic by-pass safety cooling system responsive solely and directly to engine jacket coolant temperatures to ensure that cooling of the engine will continue without reliance upon any other control system or personnel.