TYCO FIRE PRODUCTS LP Patent applications |
Patent application number | Title | Published |
20160040816 | MECHANICAL PIPE FITTING - Devices and methods for coupling fluid conveying piping ( | 02-11-2016 |
20160038778 | Low Molecular Weight Polyethylene Glycol (PEG) in Fluorine Containing Fire Fighting Foam Concentrates - It has been discovered that low molecular weight poly(ethyleneglycol) (PEG) can be used in place of diethylene glycol monobutyl ether (DGME) in fire foam concentrates without compromising the desirable properties provided by DGME. Surprisingly it has been found that lower molecular weight PEG with a weight average molecular weight M | 02-11-2016 |
20150300549 | Mechanical Pipe Fitting - Devices and methods for coupling fluid conveying piping in an arrangement to provide a branch connection. A mechanical fitting includes a lower housing and an upper housing coupled to one another to define an interior space for housing a tubular pipe segment. An insert for insertion in the upper housing includes a tubular body that defines a fluid flow passageway and a base that engages an opening in the pipe segment. The base and upper housing are configured to engage one another to prevent rotation of the insert with respect to the upper housing. | 10-22-2015 |
20150246252 | SPRINKLER ASSEMBLY - A sprinkler assembly that includes a frame having a body including an inlet, an outlet and an internal passageway extending between the inlet and the outlet to define a longitudinal sprinkler axis. Two frame arms extend distally from the body, and each arm has a portion defining a cross-sectional area with a lateral surface and a medial surface spaced about a first plane bisecting the body with the sprinkler axis disposed in the first plane. An axially aligned thermally responsive glass-bulb type trigger is disposed along the sprinkler axis. The cross-sectional areas of the frame arms are asymmetrical with respect to one another about the first plane and each cross-sectional area is asymmetric about a second plane perpendicular to the first plane. The lateral surface of each arm includes an undulation to provide the sprinkler assembly with substantially consistent thermal sensitivity about the sprinkler axis. | 09-03-2015 |
20140346256 | FIRE PROTECTION SPRINKLER ASSEMBLY - A sprinkler assembly ( | 11-27-2014 |
20140264104 | Fluid Control Valve System and Methods - A diaphragm-type control valve having a valve body holding a diaphragm and a depression member is provided preferably for use in the separation of and fluid control between a fluid source and a pressurized gas volume. An inner surface of the valve body defines a chamber having an inlet and an outlet in communication with the chamber, and an elongated seat member. The depression member biases the diaphragm to a seated position within the valve. | 09-18-2014 |
20140262356 | Fire Protection Sprinkler Assembly - A sprinkler assembly that includes a sprinkler frame, preferably formed from a plastic material and a deflector assembly that translates with respect to the sprinkler frame upon actuation of the sprinkler from an unactuated state. Moreover, the deflector assembly includes a first portion which axially translates relative to the sprinkler outlet in the actuated state of the sprinkler assembly and a second portion that remains fixed with respect to the sprinkler outlet to support a thermally responsive trigger and seal assembly in an unactuated state of the sprinkler assembly. | 09-18-2014 |
20140216769 | FIRE PROTECTION DEVICE - A fire protection device including a frame having a body with an inlet and an outlet disposed spaced along a longitudinal axis of a passageway. A pair of arms is disposed in a first plane parallel to the longitudinal axis and coupled to the body. A deflector assembly having a generally planar face portion is distally spaced from the outlet of the body and orthogonal to the longitudinal axis. The face portion includes two openings on opposite sides of a second plane perpendicular to the first plane. A canopy portion is supported on a first side of the first plane from the face portion. The deflector assembly includes a plurality of tines extending along the face portion on a second side of the first plane. Each of the tines have an outer edge disposed on a common circle centered along the longitudinal axis. | 08-07-2014 |
20140174765 | SPRINKLER DEFLECTOR - A sprinkler assembly including a fluid deflecting structure including a plurality of spaced apart tines defining a plurality of slots. The tines include a first pair of symmetric tines and a second pair of symmetric tines disposed orthogonally to the first pair of symmetric tines. The tines includes outer edges of varying configuration to define tine and slot geometries and patterns. | 06-26-2014 |
20140102729 | DRY SPRINKLER ASSEMBLIES - A dry sprinkler for a fire protection system having a configuration with one or more coupling arrangements for connection to a fluid supply piping of the system. The dry sprinkler structure further includes an inner surface and inner assembly to provide a preferred discharge performance. The dry sprinkler provides for a flow rate from the outlet of the sprinkler in accordance with the start pressure at the inlet of the sprinkler and the rated discharge coefficient, K factor, ranging between 16.8 GPM/PSIĀ½ and 33.6 GPM/PSIĀ½ | 04-17-2014 |
20140096981 | DRY SPRINKLERS WITH MULTIPLE COUPLING ARRANGEMENTS - A dry sprinkler for a fire protection system having multiple alternative coupling arrangements for connection to the fluid supply piping of the system. | 04-10-2014 |
20140091197 | CONCRETE MOLD FOR SPRINKLER INSTALLATION AND INSTALLATION METHOD - A two-component mold assembly for molding an opening within a concrete wall that provides access to a piping system supporting a sprinkler The first component is an insert that is mounted on a concrete form, and the second component is a cover that slidably fits over the insert to define the opening in the concrete. The cover plugs the piping system during fabrication of the concrete wall and is removeable from the opening in the hardened concrete after the concrete form and the mounted insert are removed. | 04-03-2014 |
20140077108 | FLUID CONTROL VALVE SYSTEM AND METHODS - A diaphragm-type control valve having a diaphragm and a valve body is provided preferably for use in the separation of and fluid control between a fluid source and a pressurized gas volume. The diaphragm element and a port in the body together form an intermediate chamber that eliminates the need for a check-valve downstream of the valve. In one preferred embodiment, an inner surface of the valve body defines a chamber having an inlet and an outlet in communication with the chamber, and an elongated seat member defining a groove in communication with the port. A diaphragm member having upper and lower surfaces is disposed within the chamber. The lower surface preferably includes a pair of spaced apart elongated members defining a channel therebetween. The diaphragm member engages the seat member placing the channel in communication with the groove to define an air seat in communication with the port. | 03-20-2014 |
20140076585 | CONCEALED SPRINKLER - A concealed sprinkler including a body having a proximal portion and a distal portion. The distal portion includes an annular wall defining a chamber and an opening in communication with the chamber. A deflector assembly is disposed within the chamber. A trigger assembly having a lever assembly engaged with an inner surface of the annular wall supports the deflector assembly in the first position, the trigger assembly including and a thermally rated plate assembly having a lip portion to substantially circumscribe and substantially cover opening and chamber. | 03-20-2014 |
20140069665 | HIGH SPEED AUTOMATIC FIRE SUPPRESSION SYSTEM AND METHOD - An automatic fire suppressing system is preferably provided onboard a vehicle and is supplied with one or more fire suppressing agents that are discharged in response to detecting a fire threat. Preferred embodiments include high-speed valves for discharging the fire suppressing agent(s), optical detectors for detecting and evaluating fire threat conditions, and modules for monitoring and controlling the automatic fire suppressing system. | 03-13-2014 |
20130333903 | UPRIGHT, EARLY SUPPRESSION FAST RESPONSE SPRINKLER - An upright ESFR sprinkler includes a generally tubular body, at least one frame arm, a closure assembly, an unactuated heat responsive trigger assembly and a deflector assembly with a K-factor greater than 14, and preferably 16.8. The passageway extends between inlet and outlet openings. The closure assembly is positioned proximate the outlet so as to occlude the passageway with a Belleville seal. An ejection spring is coupled to the closure assembly. The heat responsive trigger assembly has a Response Time Index of 40 meter | 12-19-2013 |
20130306333 | DRY PIPE VALVE & SYSTEM - A differential control valve and method of operation as a residential dry pipe fluid control valve which provides for a high liquid to gas trip ratio. The valve includes a housing having an interior surface defining an internal chamber with a central axis. The valve further includes a first port; a second port and a third port, each in communication with the internal chamber. A first valve seat is disposed along the interior surface of the housing circumscribed about the central axis and a second valve seat is circumscribed about the first valve seat. A sealing member defines a sealed position and an open position with respect to the valve seats. A spring member biases the seal member toward the open position and is disposed between the sealing member and the interior of the housing. | 11-21-2013 |
20130277597 | AQUEOUS FIRE-FIGHTING FOAMS WITH REDUCED FLUORINE CONTENT - Aqueous film forming firefighting composition concentrates are provided that contain an effective amount of a monomelic zwitterionic or anionic C | 10-24-2013 |
20130255971 | VALVE FOR A FIRE EXTINGUISHING SYSTEM - A valve for a fire extinguishing system includes a housing, a flow control apparatus, an actuator apparatus, and a manual override apparatus. The flow control apparatus is disposed in a cavity to prevent or permit flow of the fire extinguishing agent from an ingress aperture to an egress aperture of the housing. The flow control apparatus includes a burst disk clamped between the first and second annular faces and an annular spool axially movable along the longitudinal axis relative to the housing. The actuator apparatus includes a bearing sleeve angularly movable around a longitudinal axis relative to the housing and a latch element operably coupling the bearing sleeve and the annular spool. The manual override apparatus includes a cam operably coupled to the bearing sleeve. | 10-03-2013 |
20130246011 | SYSTEM AND METHOD FOR EVALUATION OF FLUID FLOW IN A PIPING SYSTEM - A method to model a complex system of pipes. The model takes into account the physical processes in a tree-type piping system and provides for an accurate modeling of a real world tree-type piping system. In a preferred embodiment, a computer program is provided for analyzing models of dry pipe systems. The computer program includes a user interface and a computational engine. The user interface allows a model of a dry pipe system to be defined and the computational engine determines a liquid flow time through the model of the dry pipe system. The computational engine provides a verification of the liquid flow time in a model of a referential dry pipe system within 20% of an actual liquid flow time in the referential dry pipe system. | 09-19-2013 |
20130233577 | EXTENDED COVERAGE ORDINARY HAZARD HORIZONTAL DRY TYPE SPRINKLER AND SYSTEM - A dry sidewall sprinkler and system and methods of installation provide extended coverage for ordinary hazard commodities. The preferred sprinkler and systems provide for sidewall ordinary hazard fire protection beneath a sloped or horizontal overhang extending from a structure by at least ten feet proximate to a garage or loading dock in accordance with applicable sections of NFPA-13 (2007). | 09-12-2013 |
20130186652 | DRY SPRINKLER WITH A DIVERTER SEAL ASSEMBLY - A dry sprinkler is provided that includes a structure, a fluid deflecting structure, a locator, a metallic annulus and a shield. The structure defines a passageway extending along a longitudinal axis between an inlet and an outlet. The structure has a rated K-factor defining an expected flow of fluid in gallons per minute from the outlet divided by the square root of the pressure of the flow of fluid fed into the inlet of the passageway in pounds per square inch gauge. The fluid deflecting structure is proximate the outlet. The locator is movable along the longitudinal axis between a first position and a second position. The locator supports the metallic annulus. The metallic annulus includes first and second metallic surfaces spaced apart along the longitudinal axis between an inner and outer circumference with respect to the longitudinal axis. The shield has a first face exposed to the inlet and a second face confronting the first metallic surface to define a gap there between. Various methods are also described. | 07-25-2013 |
20130153247 | DRY SPRINKLER WITH DIVERTER SEAL ASSEMBLY - A dry sprinkler is provided including a structure, a fluid deflecting structure, a locator, a metallic annulus and a shield. The structure defines a passageway extending along a longitudinal axis between an inlet and an outlet with a rated K-factor defining an expected flow of fluid in gallons per minute from the outlet divided by the square root of the pressure of the flow of fluid fed into the inlet of the passageway in pounds per square inch gauge. The fluid deflecting structure is proximate the outlet. The locator is movable along the longitudinal axis between a first position and a second position and supports the metallic annulus which includes first and second metallic surfaces spaced apart along the longitudinal axis between an inner and outer circumference. The shield has a first face exposed to the inlet and a second face confronting the first metallic surface to define a gap therebetween. | 06-20-2013 |
20130105181 | RELEASING CONTROL UNIT FOR A RESIDENTIAL FIRE PROTECTION SYSTEM | 05-02-2013 |
20130037282 | EXPANSION NOZZLE ASSEMBLY TO PRODUCE INERT GAS BUBBLES - A nozzle assembly for encapsulating a gaseous solution in bubbles comprises a discharge tube having a diffuser and a foam solution spray nozzle mounted therein. The discharge tube has upstream and downstream ends. The discharge tube has a front face at the upstream end with a first opening configured to be joined to a gas supply line that provides a gaseous solution and a second opening configured to receive a non-expanded foam solution. The downstream end of the discharge tube is open. A chamber is formed within the discharge tube to receive the gaseous solution at the upstream end and release the gaseous solution through the diffuser into the discharge tube towards the downstream end. | 02-14-2013 |
20120234562 | EARLY SUPPRESSION FAST RESPONSE FIRE PROTECTION SPRINKER - An early suppression fast response pendent-type fire protection sprinkler is suitable for use in accordance with one or more of NFPA 13, NFPA 231 and NFPA 231C to protect single row rack storage, double row rack storage and multiple row rack storage, the sprinkler having a K-factor of about 25 and flowing pressure of about 15 pounds per square inch. Preferably, the sprinkler has a body defining an orifice and an outlet for delivering a flow of fluid from a source, and a deflector mounted with a first surface opposed to flow of fluid from the outlet. The deflector defines at least one pair of generally opposed reentrant slots extending from the first surface through the deflector, the reentrant slots extending from slot openings at an outer peripheral edge of the deflector inwardly from the peripheral edge toward a deflector axis. | 09-20-2012 |
20110022366 | SYSTEMS AND METHODS FOR IDENTIFYING AND UTILIZING A MASS FLOW SPRINKLER COEFFICIENT - Systems and methods for determining, characterizing and/or predicting the impact of a sprinkler discharge spray on a fire induced mass flow through a vent, preferably a doorway, of a compartment. Provided are systems and methods for determining a sprinkler coefficient that characterizes the ability of a sprinkler to reduce a fire induced mass flow from the compartment. The sprinkler coefficient preferably defines a ratio of a mass flow from a compartment, in the absence of a discharging sprinkler, to the mass flow from a compartment, in the presence of a discharging sprinkler. Accordingly, the systems and methods herein provide for the sprinkler coefficient to define a mass flow equation by accounting for the influence of a discharging sprinkler spray and provide for a new fire induced mass flow calculator. | 01-27-2011 |
20110017478 | UPRIGHT, EARLY SUPPRESSION FAST RESPONSE SPRINKLER - An upright ESFR sprinkler includes a generally tubular body, at least one frame arm, a closure assembly, an unactuated heat responsive trigger assembly and a deflector assembly with a K-factor greater than 14, and preferably 16.8. The passageway extends between inlet and outlet openings. The closure is positioned proximate the outlet so as to occlude the passageway with a Belleville seal. An ejection spring is coupled to the closure assembly. The heat responsive trigger assembly has a Response Time Index of 40 meter | 01-27-2011 |
20100299122 | SYSTEM AND METHOD FOR EVALUATION OF FLUID FLOW IN A PIPING SYSTEM - A method of and a computer program for analyzing models of dry pipe systems. The computer program includes a user interface and a model generator in communication with the user interface. The method and computer program provide for modeling a referential dry pipe system as a plurality of interconnected nodes, the nodes corresponding to a pipe connector, the interconnection between the nodes corresponding to a pipe device. The plurality of nodes can define a dry portion and a wet portion with the wet portion including a liquid source and the dry portion including a plurality of interconnected pipes to define a volume of gas. The nodes in the dry portion can define a set of nodal devices open to ambient. The method and computer program can provide for computing fluid time based parameters to simulate the liquid flowing from the wet portion to determine at least flow time of the liquid from the wet portion to the open devices. The method and computer program can provide for verification of the liquid flow time in the model within 20% of an actual liquid flow time in the referential dry pipe system. | 11-25-2010 |
20100263883 | CONCEALED SPRINKLER - A concealed sprinkler including a body having a proximal portion and a distal portion. The distal portion includes an annular wall defining a chamber and an opening in communication with the chamber. A deflector assembly is disposed within the chamber. A trigger assembly having a lever assembly engaged with an inner surface of the annular wall supports the deflector assembly in the first position, the trigger assembly including and a thermally rated plate assembly having a lip portion to substantially circumscribe and substantially cover opening and chamber. | 10-21-2010 |
20100212919 | EARLY SUPPRESSION FAST RESPONSE FIRE PROTECTION SPRINKLER - An early suppression fast response pendent-type fire protection sprinkler is suitable for use in accordance with one or more of NFPA 13, NFPA 231 and NFPA 231C to protect single row rack storage, double row rack storage and multiple row rack storage, the sprinkler having a K-factor of about 25 and flowing pressure of about 15 pounds per square inch. Preferably, the sprinkler has a body defining an orifice and an outlet for delivering a flow of fluid from a source, and a deflector mounted with a first surface opposed to flow of fluid from the outlet. The deflector defines at least one pair of generally opposed reentrant slots extending from the first surface through the deflector, the reentrant slots extending from slot openings at an outer peripheral edge of the deflector inwardly from the peripheral edge toward a deflector axis. | 08-26-2010 |
20100212918 | EARLY SUPPRESSION FAST RESPONSE FIRE PROTECTION SPRINKLER - An early suppression fast response pendent-type fire protection sprinkler is suitable for use in accordance with one or more of NFPA 13, NFPA 231 and NFPA 231C to protect single row rack storage, double row rack storage and multiple row rack storage, the sprinkler having a K-factor of about 25 and flowing pressure of about 15 pounds per square inch. Preferably, the sprinkler has a body defining an orifice and an outlet for delivering a flow of fluid from a source, and a deflector mounted with a first surface opposed to flow of fluid from the outlet. The deflector defines at least one pair of generally opposed reentrant slots extending from the first surface through the deflector, the reentrant slots extending from slot openings at an outer peripheral edge of the deflector inwardly from the peripheral edge toward a deflector axis. | 08-26-2010 |
20100187812 | TWO-PIECE FLANGE ADAPTER - A two-piece flange adapter including two identical flange parts. Each flange part has two ends, with each end having a planar mating surface disposed at each end of the channel disposed on an inner diameter surface of the flange part. A projection extends from one planar mating surface and is formed to continue the channel for a predetermined distance past the planar mating surface. The other end of the flange and channel define a groove having a depth that accepts the projection of a mating flange part to form a complete channel. A gasket having a cross-sectional area with an internal cavity is compressively disposed in a pocket defined by the channel and the mating pipes. The cross-sectional area of the gasket occupies less than 87% of the pocket and can also occupy approximately 82-84% of the pocket. | 07-29-2010 |
20100174516 | SYSTEM AND METHOD FOR EVALUATION OF FLUID FLOW IN A PIPING SYSTEM - A method to model a complex system of pipes. The model takes into account the physical processes in a tree-type piping system and provides for an accurate modeling of a real world tree-type piping system. In a preferred embodiment, a computer program is provided for analyzing models of dry pipe systems. The computer program includes a user interface and a computational engine. The user interface allows a model of a dry pipe system to be defined and the computational engine determines a liquid flow time through the model of the dry pipe system. The computational engine provides a verification of the liquid flow time in a model of a referential dry pipe system within 20% of an actual liquid flow time in the referential dry pipe system. | 07-08-2010 |
20100174511 | RESIDENTIAL DRY SPRINKLER DESIGN METHOD AND SYSTEM - A method of designing a residential fire protection system in a residential dwelling unit are shown and described. The residential dwelling unit has a plurality of compartments as defined in the 2002 National Fire Protection Association Standards 13, 13D, 13R. The method can be achieved by: determining a minimum quantity and location of residential fire sprinklers required to determine a hydraulic demand calculation of the residential fire sprinklers of a piping network filled with water and arranged to protect the plurality of compartments; and specifying the minimum quantity and location of residential fire sprinklers in a piping network filled with a gas. Various aspects of the invention are also shown and described. | 07-08-2010 |
20100155089 | CEILING-ONLY DRY SPRINKLER SYSTEMS AND METHODS FOR ADDRESSING A STORAGE OCCUPANCY FIRE - A ceiling-only dry sprinkler system configured to address a storage occupancy fire event with a sprinkler operational area sufficient in size to surround and drown the fire. The system and method preferably provide for the surround and effect by activating one or more initial sprinklers, delaying fluid flow to the initial activated sprinklers for a defined delay period to permit the thermal activation of a subsequent one or more sprinklers so as to form the preferred sprinkler operational area. The sprinklers of the operational area are preferably configured so as to provide sufficient fluid volume and cooling to address the fire-event with a surround and drown configuration. The defined delay period is of a defined period having a maximum and a minimum. The preferred sprinkler system is adapted for fire protection of storage commodities and provides a ceiling only system that eliminates or otherwise minimizes the economic disadvantages and design penalties of current dry sprinkler system design. | 06-24-2010 |
20100155087 | CEILING-ONLY DRY SPRINKLER SYSTEMS AND METHODS FOR ADDRESSING A STORAGE OCCUPANCY FIRE - A ceiling-only dry sprinkler system configured to address a storage occupancy fire event with a sprinkler operational area sufficient in size to surround and drown the fire. The system and method preferably provide for the surround and effect by activating one or more initial sprinklers, delaying fluid flow to the initial activated sprinklers for a defined delay period to permit the thermal activation of a subsequent one or more sprinklers so as to form the preferred sprinkler operational area. The sprinklers of the operational area are preferably configured so as to provide sufficient fluid volume and cooling to address the fire-event with a surround and drown configuration. The defined delay period is of a defined period having a maximum and a minimum. The preferred sprinkler system is adapted for fire protection of storage commodities and provides a ceiling only system that eliminates or otherwise minimizes the economic disadvantages and design penalties of current dry sprinkler system design. | 06-24-2010 |
20100132962 | EXTENDED COVERAGE PENDENT SPRINKLER - An extended coverage pendent sprinkler configured for the fire protection of an occupancy classified as any one of: light hazard, ordinary hazard, extra hazard, rack storage with solid shelves and any combination thereof. The sprinkler preferably includes a body having an inlet and an outlet spaced from the inlet to define a passageway to further define a sprinkler axis and a K factor ranging from 11 gpm/(psi) | 06-03-2010 |
20100116514 | RESIDENTIAL PENDENT FIRE SPRINKLER - A pendent type residential fire sprinkler is described. The residential fire sprinkler has a body with a K-factor of at least 6 passage coupled to a deflector assembly that distributes fluid flowing through the passage over a coverage area to perform in accordance with Underwriters Laboratory Standard 1626 (October 2003) for listing by Underwriters Laboratory Incorporated so that the body and a heat responsive trigger disposed between the passage and the deflector assembly of the sprinkler can be installed in accordance with the 2002 Edition of National Fire Protection Association Standards 13, 13D, and 13R. Various aspects of the residential fire sprinkler, including a method of protecting a residential dwelling unit are described. | 05-13-2010 |
20100078181 | RESIDENTIAL SIDEWALL FIRE SPRINKLER - A residential sidewall sprinkler and system for a coverage area defined by a pair of parallel vertical walls. The sprinkler includes a body having a passageway defining a K-factor of about 6. The body has an inlet coupled to a fluid supply line and a distal end coupled to a deflector assembly. The deflector assembly includes a face portion with an upper canopy and a lower canopy disposed about the face portion. The sprinkler is mounted to one of the walls to define a ceiling-to-deflector distance ranging from about four inches to about twelve inches. The fluid supply at the inlet is at least at one of a substantially constant flow rate of fluid and substantially constant fluid pressure. The deflector assembly distributes the fluid over the coverage area so as to wet the vertical walls within about twenty-eight inches of the ceiling over the ceiling-to-deflector range. | 04-01-2010 |
20100071916 | EARLY SUPPRESSION FAST RESPONSE FIRE PROTECTION SPRINKLER - An early suppression fast response pendent-type fire protection sprinkler is suitable for use in accordance with one or more of NFPA 13, NFPA 231 and NFPA 231C to protect single row rack storage, double row rack storage and multiple row rack storage, the sprinkler having a K-factor of about 25 and flowing pressure of about 15 pounds per square inch. Preferably, the sprinkler has a body defining an orifice and an outlet for delivering a flow of fluid from a source, and a deflector mounted with a first surface opposed to flow of fluid from the outlet. The deflector defines at least one pair of generally opposed reentrant slots extending from the first surface through the deflector, the reentrant slots extending from slot openings at an outer peripheral edge of the deflector inwardly from the peripheral edge toward a deflector axis. | 03-25-2010 |
20100071776 | FLUID CONTROL VALVE SYSTEM AND METHODS - A diaphragm-type control valve having a diaphragm and a valve body is provided preferably for use in the separation of and fluid control between a fluid source and a pressurized gas volume. The diaphragm element and a port in the body together form an intermediate chamber that eliminates the need for a check-valve downstream of the valve. In one preferred embodiment, an inner surface of the valve body defines a chamber having an inlet and an outlet in communication with the chamber, and an elongated seat member defining a groove in communication with the port. A diaphragm member having upper and lower surfaces is disposed within the chamber. The lower surface preferably includes a pair of spaced apart elongated members defining a channel therebetween. The diaphragm member engages the seat member placing the channel in communication with the groove to define an air seat in communication with the port. | 03-25-2010 |
20100032173 | EARLY SUPPRESSION FAST RESPONSE FIRE PROTECTION SPRINKLER - An early suppression fast response pendent-type fire protection sprinkler is suitable for use in accordance with one or more of NFPA 13, NFPA 231 and NFPA 231C to protect single row rack storage, double row rack storage and multiple row rack storage, the sprinkler having a K-factor of about 25 and flowing pressure of about 15 pounds per square inch. Preferably, the sprinkler has a body defining an orifice and an outlet for delivering a flow of fluid from a source, and a deflector mounted with a first surface opposed to flow of fluid from the outlet. The deflector defines at least one pair of generally opposed reentrant slots extending from the first surface through the deflector, the reentrant slots extending from slot openings at an outer peripheral edge of the deflector inwardly from the peripheral edge toward a deflector axis. | 02-11-2010 |
20090301737 | CEILING-ONLY DRY SPRINKLER SYSTEMS AND METHODS FOR ADDRESSING A STORAGE OCCUPANCY FIRE - A ceiling-only dry sprinkler system configured to address a storage occupancy fire event with a sprinkler operational area sufficient in size to surround and drown fire. The system and method preferably provide for the surround and effect by activating one or more initial sprinklers, delaying fluid flow to the initial activated sprinklers for a defined delay period to permit the thermal activation of a subsequent-one or more sprinklers so as. to form the preferred sprinkler Operational area. The sprinklers of the operational area are preferably: configured so as to provider sufficient fluid volume and cooling to address the fire event with a surround and drown configuration, the defined delay period is of a defined period having a maximum and a minimum. The preferred sprinkler system is adapted for fire protection of storage commodities and provides a ceiling only system that eliminates or otherwise minimizes the economic disadvantage and design penalties current dry sprinkler system design. | 12-10-2009 |
20090288846 | DRY SPRINKLER SYSTEM AND DESIGN METHODS - A dry fire protection system, preferably for a storage occupancy, and its method of design are provided in which a fluid delivery delay period is identified and implemented. The preferred design method includes defining a ceiling height, a storage configuration, and storage height. The hydraulic demand for a wet system protecting the same defined storage occupancy is then identified. A fluid delivery delay period is then determined for the dry sprinkler system, preferably a maximum ADT, which results in a sprinkler operational area having a total number of sprinkler activations less than or equal to that defining the total hydraulic demand of the wet system. The preferred dry system can be further configured such that each and every sprinkler in the system has a fluid delivery delay period equal to or less than the maximum fluid delivery delay period. | 11-26-2009 |
20090254315 | RESIDENTIAL DRY SPRINKLER FIRE PROTECTION SYSTEM - Systems and methods for residential fire protection systems in a residential dwelling unit are shown and described. The residential dwelling unit has a plurality of compartments as defined in the 2002 National Fire Protection Association Standards 13, 13D, and 13R. The methods and systems can be achieved by: determining a minimum quantity and location of residential fire sprinklers required to determine a hydraulic demand calculation of the residential fire sprinklers of a piping network filled with water and arranged to protect the plurality of compartments; and specifying the minimum quantity and location of residential fire sprinklers in a piping network filled with a gas. Various aspects of the invention are also shown and described. | 10-08-2009 |
20090211772 | DRY SPRINKLER WITH DIVERTER SEAL ASSEMBLY - A dry sprinkler is provided that includes a structure, a fluid deflecting structure, a locator, a metallic annulus and a shield. The structure defines a passageway extending along a longitudinal axis between an inlet and an outlet. The structure has a rated K-factor defining an expected flow of fluid in gallons per minute from the outlet divided by the square root of the pressure of the flow of fluid fed into the inlet of the passageway in pounds per square inch gauge. The fluid deflecting structure is proximate the outlet. The locator is movable along the longitudinal axis between a first position and a second position. The locator supports the metallic annulus. The metallic annulus includes first and second metallic surfaces spaced apart along the longitudinal axis between an inner and outer circumference with respect to the longitudinal axis. The shield has a first face exposed to the inlet and a second face confronting the first metallic surface to define a gap there between. Various methods are also described. | 08-27-2009 |
20090126950 | Residential Flat Plate Concealed Sprinkler - A pendant sprinkler preferably includes a body having an inner surface defining a passageway. The passageway includes an inlet and an outlet spaced apart along the longitudinal axis and defines a K-factor of about 5. The sprinkler also includes a closure assembly adjacent the outlet to occlude the outlet and a thermally responsive support means for maintaining the closure assembly adjacent the outlet. Also provided are means for distributing a flow of fluid over a protection area ranging from about 144 square feet to about 400 square feet, the fluid distribution having a density of at least 0.05 gallons per minute per square foot (0.05 gpm/ft | 05-21-2009 |
20080319716 | CEILING-ONLY DRY SPRINKLER SYSTEMS AND METHODS FOR ADDRESSING A STORAGE OCCUPANCY FIRE - A ceiling-only dry sprinkler system configured to address a storage occupancy fire event with a sprinkler operational area sufficient in size to surround and drown the fire. The system and method preferably provide for the surround and effect by activating one or more initial sprinklers, delaying fluid flow to the initial activated sprinklers for a defined delay period to permit the thermal activation of a subsequent one or more sprinklers so as to form the preferred sprinkler operational area. The sprinklers of the operational area are preferably configured so as to provide sufficient fluid volume and cooling to address the fire-event with a surround and drown configuration. The defined delay period is of a defined period having a maximum and a minimum. The preferred sprinkler system is adapted for fire protection of storage commodities and provides a ceiling only system that eliminates or otherwise minimizes the economic disadvantages and design penalties of current dry sprinkler system design. | 12-25-2008 |
20080277125 | Releasing Control Unit For a Residential Fire Protection System - Systems, methods and aspect thereof for a fire protection system including a releasing control panel. In one aspect a fire protection system for a residential unit as defined in the 2002 Edition of the National Fire Protection Association Standard 13, 13D and 13R having at least one dwelling is provided. The fire protection system preferably includes a liquid supply source along a main line and a network of pipes in communication with the dwelling. The system includes at least one sprinkler in the network to discharge a fluid within about fifteen seconds of sprinkler activation. In addition, the system includes at least one fire control panel disposed between the main line and the pipe network to control release of a fire fighting fluid under various control modes. The system further include at least one fire detector disposed in the at least one dwelling and in communication with the at least one fire control panel. In one aspect of the preferred system is sectional control to the first and at least a second dwelling. | 11-13-2008 |
20080257564 | EXTENDED COVERAGE ORDINARY HAZARD HORIZONTAL DRY TYPE SPRINKLER AND SYSTEM - A dry sidewall sprinkler and system and methods of installation provide extended coverage for ordinary hazard commodities. The preferred sprinkler and systems provide for sidewall ordinary hazard fire protection beneath a sloped or horizontal overhang extending from a structure by at least ten feet proximate to a garage or loading dock in accordance with applicable sections of NFPA-13 (2007). | 10-23-2008 |