Abstract: A rupture disk system has a housing defining a central axis, a first axial end defining an axial opening and a second axial end. An airflow pathway extends from the first axial end facing towards the second axial end. A sealing surface is defined about the airflow pathway towards the first axial end. A shield extends across the airflow pathway on the second axial end. Radial openings are defined around the central axis, where the radial openings are positioned between the first and the second axial ends, such that the airflow pathway extends from the axial opening to the radial openings. A rupture disk is coupled to the housing across the airflow pathway. The rupture disk has a polymeric layer. The rupture disk has an unweakened region having a first thickness and a weakened region having a second thickness. A threshold rupture pressure is defined by the weakened region.

Abstract: The present application discloses a cassette assembly including an inlet cassette plate, an outlet cassette plate, and a separation layer disposed therebetween. The inlet cassette plate defines an inlet flow path and an inlet channel extending therefrom. The outlet cassette plate is configured to be arranged in a stack with the inlet cassette plate and defines an outlet flow path and an outlet channel extending therefrom. The separation layer extends from a first lateral end to a second lateral end. The inlet flow path is configured to be in fluid communication with the outlet flow path through the separation layer. The inlet channel defines an effective inlet surface area of the separation layer and the outlet channel defines an effective outlet surface area of the separation layer. The effective inlet surface area defines a first width towards the first lateral end and a second width towards the second lateral end.

Abstract: The present technology relates to a cassette assembly having an inlet cassette plate defining an inlet flow path, and an outlet cassette plate defining an outlet flow path. The outlet cassette plate is configured to be arranged in a stack with the inlet cassette plate. A membrane stack is disposed between the inlet cassette plate and the outlet cassette plate. The inlet flow path is configured to be in fluid communication with the outlet flow path through the membrane stack to form an assembly flow path. The cassette assembly is configured to receive an elution solution, and an elution concentration is substantially constant as the inner nominal volume varies.

Abstract: The present disclosure relates to a cassette assembly. An inlet cassette plate defines an inlet cassette inlet flow path and an inlet cassette outlet flow path. An outlet cassette plate is configured to be arranged in a stack with the inlet cassette plate. The outlet cassette plate defines an outlet cassette inlet flow path configured to be laterally aligned with the inlet cassette inlet flow path, and an outlet cassette outlet flow path configured to be laterally aligned with the inlet cassette outlet flow path. An inlet plug is configured to be inserted in the outlet cassette inlet flow path. An outlet plug is configured to be inserted in the inlet cassette outlet flow path. The inlet and outlet plugs are configured to be removable and reinsertable. A separation layer is disposed between the inlet cassette plate and the outlet cassette plate.

Abstract: A rupture disk system has a housing defining a central axis, a first axial end defining an axial opening and a second axial end. An airflow pathway extends from the first axial end facing towards the second axial end. A sealing surface is defined about the airflow pathway towards the first axial end. A shield extends across the airflow pathway on the second axial end. Radial openings are defined around the central axis, where the radial openings are positioned between the first and the second axial ends, such that the airflow pathway extends from the axial opening to the radial openings. A rupture disk is coupled to the housing across the airflow pathway. The rupture disk has a polymeric layer. The rupture disk has an unweakened region having a first thickness and a weakened region having a second thickness. A threshold rupture pressure is defined by the weakened region.

Abstract: The current technology relates to filter media configurations where the filter media has a surface with a treatment that increases the roll off angle of the surface for a 50 ?L water droplet when the surface is immersed in toluene. Some example filter media have a fluted configuration, and some example filter media have multiple layers. Filter media having multiple layers can be single facer media, for example, where one layer is planar and another layer is fluted.

Abstract: A substrate for use in a filter media including, for example, in a hydrocarbon fluid-water separation filter; methods of identifying the substrate; methods of making the substrate; methods of using the substrate; and methods of improving the roll off angle of the substrate. In some embodiments, the substrate includes a hydrophilic group-containing polymer or a hydrophilic group-containing polymer coating.

Abstract: A battery housing has a plurality of housing sidewalls defining an enclosure, where a first housing sidewall of the plurality of housing sidewalls defines a plurality of openings cumulatively defining a valve opening. The housing defines a valve coupling structure around the valve opening.

Abstract: A vent assembly having a housing (106) defining a cavity (202), a first end (102) and a second end (104), where the second end includes a coupling structure (108). The first end defines a window (110) in fluid communication with the cavity, wherein the window has a window perimeter. The vent assembly includes a vent media (206) spanning the cavity of the housing, where the vent media is breathable and forms a watertight seal to the housing at a perimeter of the vent media. The first end includes a screen structure (300) within the window perimeter of the window that can include repeating structures defining open areas.

Abstract: A vent assembly has a vent housing having a first axial end, a second axial end, and an airflow pathway extending between the first axial end and the second axial end. An environmental opening is towards the second axial end configured for fluid communication between an outside environment and an airflow pathway. An enclosure opening is configured to selectively define a fluid flow pathway between an interior of an enclosure and the airflow pathway. The vent assembly has an obstruction having a first relative position and a second relative position. The obstruction is configured to obstruct the fluid flow pathway in the first relative position and unobstruct the fluid flow pathway in the second relative position. Filter media is disposed in the vent housing laterally across the airflow pathway.

Abstract: Embodiments disclosed herein relate to a pleated filter element having filter media having a downstream layer of filter material and an upstream layer of fibers. A spacing structure defines a void space between the upstream layer of fibers and the downstream layer of filter material.

Abstract: A substrate for use in a filter media including, for example, in a hydrocarbon fluid-water separation filter; methods of identifying the substrate; methods of making the substrate; methods of using the substrate; and methods of improving the roll off angle of the substrate. In some embodiments, the substrate includes a hydrophilic group-containing polymer or a hydrophilic group-containing polymer coating.

Abstract: A filter material for use in fuel-water separation has a particle filtration layer and a coalescing layer downstream of, and coupled to, the particle filtration layer. The particle filtration layer is substantially constructed of binder fibers and media fibers. The coalescing layer has at least 70% glass fibers by weight. As another example, a filter material for liquid fuels has a particle filtration layer and a coalescing layer downstream of the particle filtration layer. The particle filtration layer has binder fibers and media fibers and is substantially free of meltblown materials. The ratio of air permeability of the particle filtration layer to air permeability of the coalescing layer ranges from about 3:1 to about 15:1.

Abstract: A composite media includes a stack with 20 or more layers, each layer including a substrate with a first major surface and an opposing second major surface; and a fiber layer deposited onto the first major surface of the substrate and including polymeric fibers with a diameter of 100 nm to 1.5 ?m. Each fiber layer independently has a thickness of 5 ?m to 100 ?m, and each layer independently has a pore size of 0.1 ?m to 10 ?m. A filter may include a housing and the composite media disposed within the housing. The filter may be a syringe filter.

Abstract: A filter material for use in fuel-water separation has a particle filtration layer and a coalescing layer downstream of, and coupled to, the particle filtration layer. The particle filtration layer is substantially constructed of binder fibers and media fibers. The coalescing layer has at least 70% glass fibers by weight. As another example, a filter material for liquid fuels has a particle filtration layer and a coalescing layer downstream of the particle filtration layer. The particle filtration layer has binder fibers and media fibers and is substantially free of meltblown materials. The ratio of air permeability of the particle filtration layer to air permeability of the coalescing layer ranges from about 3:1 to about 15:1.

Abstract: A rupture disk system has a housing defining a central axis, a first axial end defining an axial opening and a second axial end. An airflow pathway extends from the first axial end facing towards the second axial end. A sealing surface is defined about the airflow pathway towards the first axial end. A shield extends across the airflow pathway on the second axial end. Radial openings are defined around the central axis, where the radial openings are positioned between the first and the second axial ends, such that the airflow pathway extends from the axial opening to the radial openings. A rupture disk is coupled to the housing across the airflow pathway. The rupture disk has a polymeric layer. The rupture disk has an unweakened region having a first thickness and a weakened region having a second thickness. A threshold rupture pressure is defined by the weakened region.

Abstract: A substrate for use in a filter media including, for example, in a hydrocarbon fluid-water separation filter; methods of identifying the substrate; methods of making the substrate; methods of using the substrate; and methods of improving the roll off angle of the substrate. In some embodiments, the substrate includes a hydrophilic group-containing polymer or a hydrophilic group-containing polymer coating.

Abstract: Embodiments disclosed herein relate to filter media having a downstream layer of filter material and an upstream layer of fibers. The downstream layer of filter material has a capture efficiency of at least 10% and the upstream layer of fibers has a mean fiber diameter of at least 10 microns and a solidity of less than 10%. A spacing structure defines a mean void distance between the upstream layer of fibers and the downstream layer of filter material.

Abstract: The technology disclosed herein relates to, at least in part, an enclosure vent assembly. A vent body defines a vent cavity, a first axial end, a second axial end, circumferential threads positioned towards the second axial end, and a sealing surface. The sealing surface surrounds the vent cavity and faces the second axial end. A vent is disposed in the vent body, wherein the vent extends across the vent cavity. A vent mount defines a mount opening, mating threads configured to releasably engage the circumferential threads, a facing surface about the mount opening configured to oppose the sealing surface, and a fastening feature. The fastening feature is configured to rotatably fix the vent mount to a housing.

Abstract: A substrate for use in a filter media including, for example, in a hydrocarbon fluid-water separation filter; methods of identifying the substrate; methods of making the substrate; methods of using the substrate; and methods of improving the roll off angle of the substrate. In some embodiments, the substrate includes a hydrophilic group-containing polymer or a hydrophilic group-containing polymer coating.