| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210321830 | Coiled membrane | 17 |
| 20090188855 | Seal Ring Holder for Membrane Element and Membrane Element - A seal ring holder for membrane elements which is capable of attaining an increase in the area of membranes packed per element; and a membrane element using the seal ring holder, are provided. The seal ring holder for membrane elements which is disposed at an end part of a spiral wound membrane element to hold a ring seal ring on the outer periphery thereof while allowing a raw liquid to flow into a membrane end part of the membrane element, includes: a first ring part which has a side wall facing an upstream-side membrane end part of the membrane element and is inserted into an end part of a sheathing member of the membrane element; a projecting ring part which has been formed upstream from the first ring part and has side walls respectively on both sides, an edge face of the sheathing member and the downstream-side edge face of the seal ring being fixable respectively to the side walls; a second ring part which is formed upstream from the projecting ring part and to the outer periphery of which the seal ring is to be fitted; and a third ring part which is formed upstream from the second ring part and to which the upstream-side end face of the seal ring is fixable. | 07-30-2009 |
| 20090266756 | Filter module and filter unit - Filter module and filter unit with an inlet for medium that is to be filtered, and with an outlet for the permeate, with at least one filter sheet, a first spacer adjacent to the media side and a second spacer adjacent to the permeate side, the spacers being designed with a draining action, and the first spacer being connected to an inlet and the second spacer to an outlet, wherein the at least one filter sheet forms a first filter unit together with the two adjacent spacers, the filter sheet is designed as a single filter or a filter stack, the first spacer is designed to be impermeable to liquid on its outer face directed away from the filter sheet and is sealed off at its boundary to the outlet end, and the second spacer is designed to be impermeable to liquid on its outer face directed away from the filter sheet and is sealed off at its boundary to the inlet end. | 10-29-2009 |
| 20100096316 | SPIRAL TYPE SEPARATION MEMBRANE ELEMENT - An object of the invention is to provide a spiral separation membrane element that can reduce the pressure loss of a feed-side channel and be much less vulnerable to the problem of inhibition or blockage of the flow in the feed-side channel. The spiral separation membrane element includes one or more separation membranes, one or more feed-side channel components, one or more permeation-side channel components, and a perforated hollow core tube around which the separation membranes, the feed-side channel components and the permeation-side channel components are wrapped, wherein the feed-side channel component is a net formed by fusion bonding. | 04-22-2010 |
| 20100108593 | SPIRAL TYPE SEPARATION MEMBRANE ELEMENT - An object of the invention is to provide a spiral separation membrane element that can reduce the pressure loss of a feed-side channel and be much less vulnerable to the problem of inhibition or blockage of the flow in the feed-side channel. The spiral separation membrane element includes one or more separation membranes, one or more feed-side channel components, one or more permeation-side channel components, and a perforated hollow core tube around which the separation membranes, the feed-side channel components and the permeation-side channel components are wrapped, wherein the feed-side channel component is a net formed by fusion bonding. | 05-06-2010 |
| 20110266210 | SPIRAL MEMBRANE ELEMENT AND PROCESS FOR PRODUCING THE SAME - An object of the present invention is to provide a spiral membrane element that can form a uniform fiber reinforcement layer on an outer circumferential surface by a simple process without a great change in the materials, as well as a process for producing the same. The spiral membrane element of the present invention is a spiral membrane element which is provided with a cylindrical roll R in which a separation membrane, a feed-side flow passageway member, and a permeate-side flow passageway member | 11-03-2011 |
| 20110290711 | FLUID SEPARATION ELEMENT, ANTI-TELESCOPING DEVICE FOR FLUID SEPARATION ELEMENT, AND FLUID SEPARATION DEVICE - A fluid separation element is provided including: a membrane winding having two ends and obtained by layering a separation membrane, a feed water channel material, and a permeate channel material and spirally winding them; and one or more anti-telescoping devices attached to one or both of the ends of the membrane winding, wherein a brine seal fitting groove is provided in an outer circumferential surface of the anti-telescoping device and a hole that communicates with a feed water channel side is provided inside the groove. When the anti-telescoping devices are attached to the both ends of the membrane winding, a brine seal is fitted into the groove of the upstream-side anti-telescoping device and no brine seal is fitted into the groove of the downstream-side anti-telescoping device. | 12-01-2011 |
| 20120097597 | SPIRAL WOUND MODULE INCLUDING MEMBRANE SHEET WITH CAPILLARY CHANNELS - The invention includes a spiral wound module comprising at least one membrane sheet wrapped about a permeate collection tube wherein the membrane sheet ( | 04-26-2012 |
| 20120228208 | INTERCONNECTOR FOR FILTRATION APPARATUS WITH REDUCED PERMEATE PRESSURE LOSS - An interconnector coupling permeate conduits in a filtration apparatus includes a diverging section. The diverging section defines a generally increasing cross sectional area for the permeate solution exiting the interconnector in a direction of flow from the permeate conduit of a first separation element to a permeate conduit of a second separation element. The diverging section provides a more gradual divergence of the permeate solution to reduce pressure losses. | 09-13-2012 |
| 20130334124 | SEPARATION MEMBRANE MODULE - Provided is a separation membrane module including: a tubular pressure container | 12-19-2013 |
| 20130341264 | MEMBRANE FILTRATION USING LOW ENERGY FEED SPACER - In at least one embodiment, a membrane filtration element is provided. The element may include at least one feed spacer including a first set of parallel strands extending in a first direction and including a plurality of first strands having a first thickness and a plurality of second strands having a second thickness that is smaller than the first thickness. A second set of parallel strands may extend in a second direction that is transverse to the first direction. The second set of parallel strands may include a plurality of third strands having a third thickness and a plurality of fourth strands having a fourth thickness that is smaller than the third thickness. In one embodiment, the first and second sets of strands include alternating thick and thin strands, which reduce pressure drop in membrane filtration systems. | 12-26-2013 |
| 20140021123 | ADAPTOR AND REVERSE OSMOSIS APPARATUS USING THE SAME - An adapter for converting a conventional reverse osmosis apparatus housing to a housing suitable for use with an unconventional spiral flow separator assembly. The adapter comprises a fitting configured to couple a feed inlet of a conventional pressurizable housing detachable first portion to a central core element of an unconventional spiral flow separator assembly. The fitting defines a conduit between an exhaust conduit of the central core element and the feed inlet, and is configured to prevent direct fluid communication between the exhaust conduit of the central core element and a feed surface of the spiral flow separator assembly. | 01-23-2014 |
| 20140027370 | SEPARATION MEMBRANE MODULE AND COUPLING MEMBER - A separation membrane module includes: a pressure container having a tubular shape; a plurality of separation membrane elements loaded in the pressure container so as to be aligned in the axial direction of the pressure container; and a coupling member coupling together the separation membrane elements adjacent to each other. The separation membrane element includes a central tube and a pair of end members | 01-30-2014 |
| 20140231331 | METHOD AND APPARATUS FOR THE FILTRATION OF BIOLOGICAL SOLUTIONS - A system, method and device are disclosed for bio-processing a feed stream and providing a constant output by operating a continuous single-pass tangential-flow process. The single-pass process provides high conversion concentration while operating at relatively low feed flow rates, and the process can also be used to provide constant output diafiltration. | 08-21-2014 |
| 20140231332 | SEPARATION MEMBRANE AND SEPARATION MEMBRANE ELEMENT - A separation membrane includes a separation membrane sheet at least including a substrate and a separation functional layer, and a flow path member having a composition different from the separation membrane sheet and directly secured to the substrate by an adhesive force of at least 1 N/m on side opposite in thickness direction to the separation functional layer. | 08-21-2014 |
| 20140299533 | RADIAL SPLIT RING SEAL FOR FILTRATION SYSTEMS - A radial seal is described for use in a filtration system having annular elements. The rings or annuli fit in a groove in an outer surface of a seal plate. Each annulus has an outer diameter larger than the inner diameter of a cylindrical housing of the filtration system. A gap in the annulus has a width selected to enable the annular element to deform sufficiently to permit insertion of the at least one annulus into the cylindrical housing. Two or more annuli can be configured such that the gaps of the annuli are misaligned when both annuli are installed in the groove, thereby minimizing leakage in operation. A registration system includes a registration element that cooperates with a registration element of the other annulus to ensure misalignment of the gaps of the pair of annuli. | 10-09-2014 |
| 20150096930 | SEPARATION MEMBRANE MODULE AND REPLACEMENT METHOD FOR SEPARATION MEMBRANE ELEMENT - The present invention relates to a separation membrane module in which a plurality of spiral-type separation membrane elements for use in separating and removing ingredients present in a fluid to be treated are loaded. The present invention provides a separation membrane module in which a plurality of spiral-type separation membrane elements are loaded in a cylindrical pressure-resistant vessel and which allows easy loading and removal of the separation membrane elements while maintaining sealing property even when high-hardness foreign particles are present on sealing surfaces and fully achieving its performance, thereby ensuring reductions in maintenance time and labor, and provides a replacement method for such separation membrane elements. | 04-09-2015 |
| 20150144547 | SPIRAL FLOW WATER TREATMENT APPARATUS - A spiral flow water treatment apparatus including: a core collector comprising a first portion and a second portion; a spacer spirally wound around the core collector; a separator spirally wound around the core collector and alternately with the spacer; a first spiral flow conduit located outside the separator, connected with the first portion, and decreasing in volume thereof from far to close to the core collector; and a second spiral flow conduit located within the separator, in fluid communication with the first spiral flow conduit, and connected to the second portion. | 05-28-2015 |
