Hollingsworth & Vose Company Patent applications |
Patent application number | Title | Published |
20160136554 | SURFACE MODIFIED FILTER MEDIA - Surface modified filter media, including surface modified filter media having enhanced performance characteristics, are provided. In some embodiments, a filter media may comprise two or more layers designed to enhance fluid separation efficiency. One or more of the layers may have at least a portion of a surface that is modified to alter and/or enhance the wettability of the surface with respect to a particular fluid. In certain embodiments involving a filter media including more than one surface modified layer, at least one surface modified layer may have a greater air permeability and/or mean flow pore size than that of another surface modified layer. Such a configuration of layers may result in the media having enhanced fluid separation properties compared to filter media that do not include such modified layers or configuration of layers, all other factors being equal. The filter media may be well-suited for a variety of applications, including filtering fuel, air, and lube oil. | 05-19-2016 |
20160136553 | RESIN IMPREGNATED FIBER WEBS - The present disclosure relates to filter media having one or more pre-filter layers disposed upstream a main filtration layer. The main filtration layer may include synthetic polymer fibers (e.g., continuous meltblown fibers). A coating (e.g., binder resin) may be suitably applied to at least a portion of the main filtration layer (e.g., saturated, impregnated) and/or other layers of the filter media (e.g., pre-filter layer(s), scrim, etc.), or portions thereof. In some embodiments, the coating has a cure temperature that is comparatively less than a shrinkage temperature of the synthetic polymer fibers of the filtration layer(s). In some embodiments, the coating may coat a 5 cm×5 cm area, or a majority area, of the outer surface of the second layer. In some embodiments, the second layer has a pressure drop of less than about 80 kPa, a mean flow pore size of between about 0.05 micron and about 30 microns with the standard deviation of the mean flow pore size of the second layer being less than about 10 microns. | 05-19-2016 |
20160074787 | FILTER MEDIA COMPRISING FIBERS INCLUDING CHARGED PARTICLES - Filter media, including those suitable for hydraulic and/or other applications, and related filter elements and methods associated therewith, are provided. In some embodiments, a filter media described herein may include a layer (e.g., a non-woven layer) comprising a blend of glass fibers and polymeric fibers. The polymeric fibers may comprise a plurality of charged particles at least partially embedded within the polymeric fibers. In some embodiments, the layer comprising the fiber blend may result in an increased air permeability, dust holding capacity, and/or hydraulic gamma (a high ratio of air permeability to efficiency), as compared to filter media that do not include such charged particles. | 03-17-2016 |
20160067641 | HOT OIL DURABLE MEDIA - Fiber webs that include an acid scavenger are provided. In certain embodiments, the acid scavenger may be immobilized within a resin and/or on the fiber web. In some embodiments, such fiber webs are used in filter media. The filter media may be suitable for filtering fluids that contain one or more acids. The acid scavenger may serve to complex and/or neutralize acids in the vicinity of the fiber web, thereby rending the fiber web more durable against degradation in acidic environments. The respective characteristics and amounts of the acid scavenger on the fiber web may be selected to impart desirable properties to the fiber web, including enhanced mechanical and performance properties (e.g., relatively high strength and lifetime) during filtration. Filter media formed of the fiber webs may be particularly well-suited for applications that involve filtering lubricating oil or hydraulic fluids, though the media may also be used in other applications. | 03-10-2016 |
20160059167 | PRE-COALESCING MULTI-LAYERED FILTER MEDIA - Fiber webs that may be used as filter media are provided. In some embodiments, the filter media may include multiple layers. Each layer may be designed to have separate functions in the filter media. For example, a first layer may be provided for improving dust holding capacity, a second layer for improving efficiency, and a third layer for providing support and strength to the media. By designing the layers to have separate functions, each layer may be optimized to enhance its function without negatively impacting the performance of another layer of the media. | 03-03-2016 |
20160051919 | MULTI-LAYERED FILTER MEDIA - Fiber webs that may be used as filter media are provided. In some embodiments, the filter media may include multiple layers. Each layer may be designed to have separate functions in the filter media. For example, a first layer may be provided for improving dust holding capacity, a second layer for improving efficiency, and a third layer for providing support and strength to the media. By designing the layers to have separate functions, each layer may be optimized to enhance its function without negatively impacting the performance of another layer of the media. | 02-25-2016 |
20150375150 | FILTER MEDIA INCLUDING ORIENTED FIBERS - Filter media incorporating one or more filtration layers that include fibers including fiber portions orientated at a non-zero angle with respect to a surface of the filtration layer are provided. In some embodiments, at least a part of the fiber portions are positioned at an angle of at least 20 degrees (e.g., between 46 degrees and 90 degrees, or between 61 degrees and 90 degrees) with respect to a surface of the filtration layer or an outer or cover layer of the media. This orientation of fiber portions may result in an increased efficiency (e.g., average efficiency and/or initial efficiency) compared to similar filter media that do not include such oriented fiber portions. | 12-31-2015 |
20150360156 | FILTER MEDIA AND ELEMENTS WITH FINE STAPLE FIBERS - Filter media, including those suitable for fuel and/or hydraulic applications, and related components, systems, and methods associated therewith are provided. In some embodiments, a filter media may include a non-woven layer comprising blend of glass fibers and polymeric staple fibers. The polymeric staple fibers may have a relatively small diameter. The non-woven layer comprising the fiber may have desirable properties such as one or more of a low micron rating for beta efficiency, high dust holding capacity, and/or a low resistance to fluid flow. In certain embodiments, the filter media may include two or more layers, at least one of the layers including a non-woven layer comprising the fiber blend. In some such cases, the filter media may include one or more layers that serve to enhance the overall properties of the filter media. | 12-17-2015 |
20150328565 | SURFACE MODIFIED FILTER MEDIA - Surface modified filter media, including surface modified filter media having enhanced performance characteristics, are provided. In some embodiments, a filter media may comprise two or more layers designed to enhance fluid separation efficiency. One or more of the layers may have at least a portion of a surface that is modified to alter and/or enhance the wettability of the surface with respect to a particular fluid. In certain embodiments involving a filter media including more than one surface modified layer, at least one surface modified layer may have a greater air permeability and/or mean flow pore size than that of another surface modified layer. Such a configuration of layers may result in the media having enhanced fluid separation properties compared to filter media that do not include such modified layers or configuration of layers, all other factors being equal. The filter media may be well-suited for a variety of applications, including filtering fuel, air, and lube oil. | 11-19-2015 |
20150321124 | FILTER MEDIA WITH FIBRILLATED FIBERS - Filter media suitable for various applications (e.g., hydraulic) and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture of glass fibers and fibers that are fibrillated. The fibrillated fibers, for example, may be formed of lyocell. | 11-12-2015 |
20150182896 | FILTER MEDIA AND ARTICLES INCLUDING DENDRIMERS AND/OR OTHER COMPONENTS - Articles such as filter media, which include dendrimers and/or other components, are provided. The filter media may further include a water repellant (e.g., a fluorinated species) to impart desirable properties to the media such as high water repellency. The filter media may also have a high efficiency as a function of pressure drop (i.e., high gamma values). In some embodiments, the filter media includes a fiber web which may be formed of various components such as glass fibers. The fiber web can also include additional components such as synthetic fibers, binder components, as well as other additives. The media may be incorporated into a variety of filter element products. | 07-02-2015 |
20150182893 | FILTER MEDIA SUITABLE FOR HYDRAULIC APPLICATIONS - Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two or more layers, at least one of the layers having a relatively high percentage of microglass fibers. Additionally, the filter media may be designed such that the ratio of average fiber diameters between two layers is relatively small, which can lead to a relatively low resistance ratio between the layers. The filter media has desirable properties including high dirt holding capacity with low basis weight and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters. | 07-02-2015 |
20150182885 | FILTER MEDIA SUITABLE FOR HYDRAULIC APPLICATIONS - Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two or more layers, at least one of the layers having a relatively high percentage of microglass fibers. Additionally, the filter media may be designed such that the ratio of average fiber diameters between two layers is relatively small, which can lead to a relatively low resistance ratio between the layers. In some embodiments, at least one layer of the filter media comprises synthetic polymer fibers. Certain filter media described herein may have desirable properties including high dirt holding capacity and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters. | 07-02-2015 |
20150174509 | FILTER MEDIA WITH FINE STAPLE FIBERS - Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. In some embodiments, a filter media may include a non-woven layer comprising blend of glass fibers and polymeric staple fibers. The polymeric staple fibers may have a relatively small diameter. The non-woven layer comprising the fiber may have desirable properties such as one or more of a low micron rating for beta efficiency, high dust holding capacity, and/or a low resistance to fluid flow. In certain embodiments, the filter media may include two or more layers, at least one of the layers including a non-woven layer comprising the fiber blend. In some such cases, the filter media may include one or more layers that serve to enhance the overall properties of the filter media. | 06-25-2015 |
20150157969 | FINE GLASS FILTER MEDIA - Filter media suitable for various applications and related components, systems, and methods associated therewith are described. The filter media may include a composite filter media structure having a substrate and at least one fine fiber layer. The fine fiber layer may include a plurality of glass fibers having an average fiber diameter of less than 2 microns; or, at least 70% by weight of the glass fibers within the fine fiber layer has a fiber diameter of less than 2 microns. The fine fiber layer may further include a fluorochemical composition, an organosilicon composition and may optionally include a binder composition that comprises less than 2% by weight of the fine fiber layer. The filter media may exhibit both a relatively high gamma and favorable mechanical properties. The filter media may be produced by forming a substrate on the surface of a wire in a wet laid process, and forming a fine fiber layer on the substrate while the substrate is on the wire. | 06-11-2015 |
20150121823 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 05-07-2015 |
20150107208 | FIBER WEBS INCLUDING SYNTHETIC FIBERS - Filter media suitable for various applications and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture comprising non-fibrillated synthetic fibers and fibrillated fibers, such as lyocell. The fiber web may also include multi-component fibers (e.g., bi-component fibers). In some embodiments, glass fibers are not incorporated into the fiber web. | 04-23-2015 |
20150053627 | FILTER MEDIA HAVING AN OPTIMIZED GRADIENT - Filter media having a gradient in a property and methods associated with such media are provided. In some embodiments, a filter media may have a gradient in mean pore size. The gradient in mean pore size may be across at least a portion of the thickness of the filter media. In some embodiments, the gradient can be represented by an exponential function. The exponential gradient in mean pore size may impart desirable properties to the filter media including enhanced filtration properties (e.g., relatively high dust holding capacity and efficiency), amongst other benefits. The filter media may be particularly well-suited for applications that involve filtering liquids (e.g., hydraulics, fuel, lube, water), though the media may also be used in other applications. | 02-26-2015 |
20140346107 | Filter Media Including Polymer Compositions and Blends - Polymer compositions that may be used to form fibers for a fiber web are generally described. In some embodiments, certain properties of the polymer compositions (e.g., molecular weight distribution, melt flow index, melt elasticity, and/or melt toughness) may allow the formation of fiber webs having fine fibers and a relatively low amount of process defects. In some instances, these properties of the polymer composition may be achieved by combining two or more polymer components. Fiber webs formed using the polymer composition may have increased performance and/or better structural characteristics compared to fibers webs formed using a single polymer component. | 11-27-2014 |
20140331626 | PRE-COALESCING MULTI-LAYERED FILTER MEDIA - Fiber webs that may be used as filter media are provided. In some embodiments, the filter media may include multiple layers. Each layer may be designed to have separate functions in the filter media. For example, a first layer may be provided for improving dust holding capacity, a second layer for improving efficiency, and a third layer for providing support and strength to the media. By designing the layers to have separate functions, each layer may be optimized to enhance its function without negatively impacting the performance of another layer of the media. | 11-13-2014 |
20140242274 | SYSTEMS AND METHODS FOR MAKING FIBER WEBS - Systems and methods for forming fiber webs, including those suitable for use as filter media and battery separators, are provided. In some embodiments, the systems and methods involve a first system for forming a fiber web (e.g., a wet laid system or non-wet laid system) and additionally one or more coating units. The first system for forming a fiber web may be used to form one or more fibrous layers of the fiber web, and the coating unit may be used to form an additional fibrous layer of the fiber web. In some embodiments, the systems and methods can be used to form fiber webs having a gradient in a property across a portion of, or the entire, thickness of the fiber web. | 08-28-2014 |
20140238629 | SYSTEMS AND METHODS FOR MAKING FIBER WEBS - Systems and methods for forming fiber webs, including those suitable for use as filter media and battery separators, are provided. In some embodiments, the systems and methods involve designs which allow improved control of the fiber web forming process. For example, in certain embodiments involving the flowing of more than one fiber mixtures, the amount of mixing of the fiber mixtures may be controlled to produce fiber webs having different structural and/or performance characteristics. In some embodiments, the systems and methods can be used to form fiber webs having a gradient in a property across a portion of, or the entire, thickness of the fiber web. | 08-28-2014 |
20140196424 | FILTER MEDIA INCLUDING GLASS FIBERS - The present disclosure generally relates to filter media including glass fibers. The fiber characteristics (e.g., composition, dimensions) are selected to impart the desired solubility, filtration and mechanical properties so that the filter media may be used in the desired application. | 07-17-2014 |
20140190353 | FILTER MEDIA WITH IMPROVED CONDUCTIVITY - Filter media are provided having improved conductivity to enhance filtration efficiency and/or dissipate static charge, and methods for making the same. In one exemplary embodiment, the filter media can include a filtration substrate, and at least one conductive coating disposed on at least a portion of the filtration substrate. In use, the conductive coating is coupled to an energy source and it is effective to emit ions when energy is delivered thereto to increase the efficiency of the filtration substrate and/or to dissipate or eliminate static charge generated during filtration. | 07-10-2014 |
20140170918 | DURABLE FIBER WEBS - Fiber webs that may be coated and used in filter media are provided. In some embodiments, the fiber web is a non-woven web that is coated with a resin including at least two components (e.g., a first component and a second component) that may react with one another to form a copolymer. In some embodiments, the coated fiber web may be sufficiently self-supporting, durable, and strong, such that filter media and/or elements formed of the web do not require additional support structures (e.g., a scrim). | 06-19-2014 |
20140166572 | FIBER WEBS COATED WITH FIBER-CONTAINING RESINS - Fiber webs that may be coated and used in filter media are provided. In some embodiments, the fiber web is a non-woven web that is coated with a resin comprising fibers. For example, the resin may include fibers that have sizes (e.g., diameters) in the nano or micron range. In some cases, the fibers distributed within the resin are fibrillated fibers. The respective characteristics and amounts of the fibers in the resin may be selected to impart desirable properties including enhanced mechanical properties and filtration properties (e.g., relatively high strength and air permeability), amongst other benefits. | 06-19-2014 |
20140157742 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 06-12-2014 |
20140144113 | FILTER MEDIA WITH A MULTI-LAYER STRUCTURE - Filter media are described. The filter media may include multiple layers. In some embodiments, the filter media include a nanofiber layer adhered to another layer. In some embodiments, the layer to which the nanofiber layer is adhered is formed of multiple fiber types (e.g., fibers that give rise to structures having different air permeabilities and/or pressure drops). In some embodiments, the nanofiber layer is adhered to a single-phase or a multi-phase layer. In some embodiments, the nanofiber layer is manufactured from a meltblown process. The filter media may be designed to have advantageous properties including, in some cases, a high dust particle capture efficiency and/or a high dust holding capacity. | 05-29-2014 |
20140130469 | MULTI-LAYERED FILTER MEDIA - Fiber webs that may be used as filter media are provided. In some embodiments, the filter media may include multiple layers. Each layer may be designed to have separate functions in the filter media. For example, a first layer may be provided for improving dust holding capacity, a second layer for improving efficiency, and a third layer for providing support and strength to the media. By designing the layers to have separate functions, each layer may be optimized to enhance its function without negatively impacting the performance of another layer of the media. | 05-15-2014 |
20140060762 | MULTI-PHASE FILTER MEDIUM - Multi-phase filter media, as well as related articles, components, filter elements, and methods, are disclosed. | 03-06-2014 |
20140047809 | FLUTABLE FIBER WEBS WITH HIGH DUST HOLDING CAPACITY - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and/or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction. | 02-20-2014 |
20130341290 | FIBRILLATED FIBERS FOR LIQUID FILTRATION MEDIA - Fiber webs which are used in filter media are described herein. In some embodiments, the fiber webs include fibrillated fibers and optionally non-fibrillated fibers, amongst other optional components (e.g., binder resin). In some embodiments, the fiber webs include limited amounts of, or no, glass fiber. The respective characteristics and amounts of the fibrillated fibers are selected to impart desirable properties including mechanical properties and filtration properties (e.g., dust holding capacity and efficiency), amongst other benefits. | 12-26-2013 |
20130340613 | ABSORBENT AND/OR ADSORPTIVE FILTER MEDIA - Filter media suitable for various applications and related components, systems, and methods associated therewith are described. The filter media may include a composite structure having a mixture comprising fibrillated fibers (e.g., lyocell) and functional particles. The filter media may exhibit favorable absorption and/or adsorption characteristics. | 12-26-2013 |
20130340398 | FIBER WEBS INCLUDING SYNTHETIC FIBERS - Filter media suitable for various applications and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture comprising non-fibrillated synthetic fibers and fibrillated fibers, such as lyocell. The fiber web may also include multi-component fibers (e.g., bi-component fibers). In some embodiments, glass fibers are not incorporated into the fiber web. | 12-26-2013 |
20130333341 | FLUTABLE FIBER WEBS WITH HIGH DUST HOLDING CAPACITY - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and/or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction. | 12-19-2013 |
20130206179 | WAREWASH MACHINE WITH REMOVAL ROTATING ARM AND RELATED METHOD - A warewash machine arm mechanism includes a liquid supply shaft assembly including a rotatable sleeve bearing mounted thereon, and an arm assembly including an elongated interior liquid flow space along an arm body and one or more liquid ejection orifices. The arm assembly is releasably mounted to the supply shaft assembly via a latch mechanism of the arm assembly that engages the rotatable sleeve bearing such that the arm assembly rotates with the rotatable sleeve bearing during ejection of liquid from the liquid ejection orifices. | 08-15-2013 |
20130168893 | CHARGING OF FILTER MEDIA - Methods and systems for charging fiber webs, including those suitable for use as filter media, are provided. In some embodiments, the methods provided herein involve charging a fiber web by passing a substance through the web under suitable conditions to produce a charged article. The substance may be, for example, a substantially non-polar liquid or gas, a compressed fluid, and/or a supercritical fluid (e.g., carbon dioxide). In some embodiments, the method of charging includes releasing the substance from a container, passing the substance through the fiber web, and, optionally, drawing the substance into a vacuum apparatus after it passes through the fiber web. | 07-04-2013 |
20130071735 | BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOF - The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte. | 03-21-2013 |
20130071734 | BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOF - The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte. | 03-21-2013 |
20130071723 | BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOF - The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte. | 03-21-2013 |
20130025809 | SYSTEMS AND METHODS FOR MAKING FIBER WEBS - Systems and methods for forming fiber webs, including those suitable for use as filter media and battery separators, are provided. In some embodiments, the systems and methods involve designs which allow improved control of the fiber web forming process. For example, in certain embodiments involving the flowing of more than one fiber mixtures, the amount of mixing of the fiber mixtures may be controlled to produce fiber webs having different structural and/or performance characteristics. In some embodiments, the systems and methods can be used to form fiber webs having a gradient in a property across a portion of, or the entire, thickness of the fiber web. | 01-31-2013 |
20130025806 | SYSTEMS AND METHODS FOR MAKING FIBER WEBS - Systems and methods for forming fiber webs, including those suitable for use as filter media and battery separators, are provided. In some embodiments, the systems and methods involve a first system for forming a fiber web (e.g., a wet laid system or non-wet laid system) and additionally one or more coating units. The first system for forming a fiber web may be used to form one or more fibrous layers of the fiber web, and the coating unit may be used to form an additional fibrous layer of the fiber web. In some embodiments, the systems and methods can be used to form fiber webs having a gradient in a property across a portion of, or the entire, thickness of the fiber web. | 01-31-2013 |
20130025245 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 01-31-2013 |
20130009335 | SYSTEMS AND METHODS FOR MAKING FIBER WEBS - Systems and methods for forming fiber webs, including those suitable for use as filter media and battery separators, are provided. In some embodiments, the systems and methods may involve the use of one or more fiber mixtures to form a fiber web. The fiber mixtures may flow in different portions of a system for forming a fiber web that may be separated by a lamella, and may join at a fiber web forming zone to produce a fiber web having multiple layers. The amount of mixing of the fiber mixtures at or near the fiber web forming zone may be controlled to produce fiber webs having different structural and/or performance characteristics. In some embodiments, the systems and methods described herein can be used to form fiber webs having a gradient in a property across a portion of, or the entire, thickness of the fiber web. | 01-10-2013 |
20120318754 | FINE FIBER FILTER MEDIA AND PROCESSES - Fine fiber products including fiber webs, as well as related assemblies, systems and methods, are described. In some embodiments, fiber webs described herein may include fine fibers and relatively low amounts of degraded polymer formed during a fiber extrusion process. The fiber webs may be used for filter media applications. | 12-20-2012 |
20120312487 | SYSTEMS AND METHODS FOR MAKING FIBER WEBS - Systems and methods for forming fiber webs, including those suitable for use as filter media and battery separators, are provided. In some embodiments, the systems and methods may involve the use of one or more fiber mixtures to form a fiber web. The fiber mixtures may flow in different portions of a system for forming a fiber web that may be separated by a lamella, and may join at a fiber web forming zone to produce a fiber web having multiple layers. The amount of mixing of the fiber mixtures at or near the fiber web forming zone may be controlled to produce fiber webs having different structural and/or performance characteristics. In some embodiments, the systems and methods described herein can be used to form fiber webs having a gradient in a property across a portion of, or the entire, thickness of the fiber web. | 12-13-2012 |
20120304602 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 12-06-2012 |
20120160104 | FILTER MEDIA INCLUDING GLASS FIBERS - The present disclosure generally relates to filter media including glass fibers. The fiber characteristics (e.g., composition, dimensions) are selected to impart the desired solubility, filtration and mechanical properties so that the filter media may be used in the desired application. | 06-28-2012 |
20120152859 | FILTER MEDIA WITH FIBRILLATED FIBERS - Filter media suitable for various applications (e.g., hydraulic) and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture of glass fibers and fibers that are fibrillated. The fibrillated fibers, for example, may be formed of lyocell. | 06-21-2012 |
20120152824 | FINE FIBER FILTER MEDIA AND PROCESSES - Fine fiber products including fiber webs, as well as related assemblies, systems and methods, are described. In some embodiments, fiber webs described herein may include fine fibers and relatively low amounts of degraded polymer formed during a fiber extrusion process. The fiber webs may be used for filter media applications. | 06-21-2012 |
20120152821 | FINE FIBER FILTER MEDIA AND PROCESSES - Fine fiber products including fiber webs, as well as related assemblies, systems and methods, are described. In some embodiments, fiber webs described herein may include fine fibers and relatively low amounts of degraded polymer formed during a fiber extrusion process. The fiber webs may be used for filter media applications. | 06-21-2012 |
20120121975 | SURFACE MODIFIED GLASS FIBERS - Compositions including glass fibers with a high surface atomic percentage of oxygen bonded to silicon wherein the fibers form at least part of a battery separator or other battery component. | 05-17-2012 |
20120107588 | FILTER MEDIA AND ARTICLES INCLUDING DENDRIMERS AND/OR OTHER COMPONENTS - Articles such as filter media, which include dendrimers and/or other components, are provided. The filter media may further include a water repellant (e.g., a fluorinated species) to impart desirable properties to the media such as high water repellency. The filter media may also have a high efficiency as a function of pressure drop (i.e., high gamma values). In some embodiments, the filter media includes a fiber web which may be formed of various components such as glass fibers. The fiber web can also include additional components such as synthetic fibers, binder components, as well as other additives. The media may be incorporated into a variety of filter element products. | 05-03-2012 |
20120097032 | FLUTABLE FIBER WEBS WITH HIGH DUST HOLDING CAPACITY - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and/or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction. | 04-26-2012 |
20120070729 | GLASS COMPOSITIONS WITH HIGH LEVELS OF BISMUTH OXIDE - The application describes glass compositions that includes more than 30 percent by weight of bismuth compounds, in particular bismuth oxide. Additionally, components, specifically battery separators, made from the glass compositions with high levels of bismuth are described. | 03-22-2012 |
20120070728 | COMPOSITIONS AND DELIVERY SYSTEMS WITH LEACHABLE METAL IONS - The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte. | 03-22-2012 |
20120070727 | GLASS COMPOSITIONS WITH LEACHABLE METAL OXIDES AND IONS - The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte. The compositions include glass based compositions that are included as part of various battery components, such as the battery separator, pasting paper, additives to battery paste, etc. | 03-22-2012 |
20120067814 | MULTI-PHASE FILTER MEDIUM - Multi-phase filter media, as well as related articles, components, filter elements, and methods, are disclosed. | 03-22-2012 |
20120028126 | Batteries Containing Bismuth Glass Compositions - Disclosed are glass compositions, glass fiber compositions, glass fiber battery separators, glass fiber filter media, battery additives and active materials formed with glass compositions disclosed, glass fiber radiation shields, and glass fiber paper compositions. Certain embodiments include, among other components, bismuth oxide. Certain embodiments include about 0.5-30% bismuth oxide of the composition by weight and silica oxide at about 54-70% of the composition by weight. Embodiments may also include other components. For example, zinc oxide can make up about 0.01-3% of the composition by weight. | 02-02-2012 |
20120021295 | Battery Separators with Bismuth Containing Glass Fibers - Disclosed are glass compositions, glass fiber compositions, glass fiber battery separators, glass fiber filter media, battery additives and active materials formed with glass compositions disclosed, glass fiber radiation shields, and glass fiber paper compositions. Certain embodiments include, among other components, bismuth oxide. Certain embodiments include about 0.5-30% bismuth oxide of the composition by weight and silica oxide at about 54-70% of the composition by weight. Embodiments may also include other components. For example, zinc oxide can make up about 0.01-3% of the composition by weight. | 01-26-2012 |
20110287324 | SURFACE MODIFIED GLASS FIBERS - A composition including glass fibers with a surface atomic concentration of oxygen in sp3 bonds with silicon of at least about 34% wherein the fibers are formed into a battery separator. | 11-24-2011 |
20110265312 | FILTER MEDIA WITH IMPROVED CONDUCTIVITY - Filter media are provided having improved conductivity to enhance filtration efficiency and/or dissipate static charge, and methods for making the same. In one exemplary embodiment, the filter media can include a filtration substrate, and at least one conductive coating disposed on at least a portion of the filtration substrate. In use, the conductive coating is coupled to an energy source and it is effective to emit ions when energy is delivered thereto to increase the efficiency of the filtration substrate and/or to dissipate or eliminate static charge generated during filtration. | 11-03-2011 |
20110259813 | FILTER MEDIA WITH A MULTI-LAYER STRUCTURE - Filter media are described. The filter media may include multiple layers. In some embodiments, the filter media include a nanofiber layer adhered to another layer. In some embodiments, the layer to which the nanofiber layer is adhered is formed of multiple fiber types (e.g., fibers that give rise to structures having different air permeabilities and/or pressure drops). In some embodiments, the nanofiber layer is adhered to a single-phase or a multi-phase layer. In some embodiments, the nanofiber layer is manufactured from a meltblown process. The filter media may be designed to have advantageous properties including, in some cases, a high dust particle capture efficiency and/or a high dust holding capacity. | 10-27-2011 |
20110162337 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 07-07-2011 |
20110147976 | MELTBLOWN FILTER MEDIUM - Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material. | 06-23-2011 |
20110147320 | FILTER MEDIA AND ARTICLES INCLUDING DENDRIMERS AND/OR OTHER COMPONENTS - Articles such as filter media, which include dendrimers and/or other components, are provided. The filter media may further include a water repellant (e.g., a fluorinated species) to impart desirable properties to the media such as high water repellency. The filter media may also have a high efficiency as a function of pressure drop (i.e., high gamma values). In some embodiments, the filter media includes a fiber web which may be formed of various components such as glass fibers. The fiber web can also include additional components such as synthetic fibers, binder components, as well as other additives. The media may be incorporated into a variety of filter element products. | 06-23-2011 |
20110079553 | FILTER MEDIA SUITABLE FOR HYDRAULIC APPLICATIONS - Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two or more layers, at least one of the layers having a relatively high percentage of microglass fibers. Additionally, the filter media may be designed such that the ratio of average fiber diameters between two layers is relatively small, which can lead to a relatively low resistance ratio between the layers. In some embodiments, at least one layer of the filter media comprises synthetic polymer fibers. Certain filter media described herein may have desirable properties including high dirt holding capacity and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters. | 04-07-2011 |
20100319543 | FLUTABLE FIBER WEBS WITH HIGH DUST HOLDING CAPACITY - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and/or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction. | 12-23-2010 |
20100319310 | FIBER WEB HAVING A HIGH STIFFNESS - The fiber webs described herein may be incorporated into filter media and filter elements. The webs may exhibit a high permeability and stiffness, at a low thickness. The stiffness can be sufficient for the webs to be pleated to include sharp, well-defined peaks which can be maintained in a stable configuration during use. | 12-23-2010 |
20100314333 | FLUTABLE FIBER WEBS WITH LOW SURFACE ELECTRICAL RESISTIVITY FOR FILTRATION - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a low surface electrical resistivity. The fiber webs may also be sufficiently flexible and/or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction. | 12-16-2010 |
20100252510 | FILTER MEDIA SUITABLE FOR HYDRAULIC APPLICATIONS - Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two or more layers, at least one of the layers having a relatively high percentage of microglass fibers. Additionally, the filter media may be designed such that the ratio of average fiber diameters between two layers is relatively small, which can lead to a relatively low resistance ratio between the layers. The filter media has desirable properties including high dirt holding capacity with low basis weight and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters. | 10-07-2010 |
20100212272 | FILTER MEDIA SUITABLE FOR ASHRAE APPLICATIONS - Filter media which may be used in ASHRAE applications are described. The media include a fiber web and has desirable performance characteristics. | 08-26-2010 |
20100116138 | MULTI-PHASE FILTER MEDIUM - Multi-phase filter media, as well as related articles, components, filter elements, and methods, are disclosed. | 05-13-2010 |
20100107881 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 05-06-2010 |
20100000411 | MELTBLOWN FILTER MEDIUM, RELATED APPLICATIONS AND USES - Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material. | 01-07-2010 |
20090272084 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 11-05-2009 |
20090120048 | Meltblown Filter Medium - Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material. | 05-14-2009 |
20080202078 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 08-28-2008 |