Abstract

Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

An air filter and dust collector are provided. In one embodiment, the air filter includes a filter element coupled at a first end to a end cap and at a second end to a first side of a rectangular filter flange assembly. The rectangular filter flange assembly includes a central aperture open to an interior region bounded by the filter element. A rectangular gasket is disposed on the second side of the filter flange assembly and circumscribes the central aperture.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Embodiments of the invention generally provide an apparatus and method for decontaminating tubing. The invention is particularly suitable for decontaminating tubing in a test system used for certifying a filter in a containment system. In one embodiment, a test system for a containment system is provide that includes a sample system including equipment adapted for testing a filter disposed in a containment system utilizing samples obtained from a downstream sample port and a upstream sample port of the containment system, and a device for reversing a flow within the sample system. In another aspect of the invention, a method for decontaminating tubing is provided. In another embodiment, the method includes flowing a sterilization agent through tubing in a first direction and flowing the sterilization agent through tubing in a second direction.

IPC Classes  ?

• G01N 1/22 - Devices for withdrawing samples in the gaseous state

Abstract

Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Embodiments of the invention generally provide a filter frame assembly adapted for clamping in a housing is provided. The frame assembly includes a frame having a downstream frame member coupled to a cross-member, the downstream frame member and cross-member adapted to fit within the housing. At least two clamp mechanisms are coupled to frame assembly. Each of the clamp mechanisms include a rotatable rod coupled to a handle which is used to displace the frame assembly. The handle is configured to be clear of a filter receiving aperture defined above the cross-member when the handle is in both of an open or a closed position.

IPC Classes  ?

• B01D 39/00 - Filtering material for liquid or gaseous fluids
• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Embodiments of the invention generally provide a filter frame assembly adapted for clamping in a housing is provided. The frame assembly includes a frame having a downstream frame member coupled to a cross-member, the downstream frame member and cross-member adapted to fit within the housing. At least two clamp mechanisms are coupled to frame assembly. Each of the clamp mechanisms include a rotatable rod coupled to a handle which is used to displace the frame assembly. The handle is configured to be clear of a filter receiving aperture defined above the cross-member when the handle is in both of an open or a closed position.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

IPC Classes  ?

• B01D 50/00 - Combinations of methods or devices for separating particles from gases or vapours

Abstract

Embodiments of the invention generally provide an apparatus and method for certifying a filter in a containment system without decontaminating the containment system prior to certification. The apparatus generally comprises a valve assembly selectable between at least three operational states. A first state prevents flow from prevents flow through a port of a housing. A second state fluidly couples the port to test equipment necessary to test a filter disposed within the housing. A third state seals the port but fluidly couples the test equipment to a decontamination system.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
• B01D 35/147 - Bypass or safety valves

Abstract

Embodiments of the invention generally include a filter housing having a bagging ring coated to enhance a bag-to-bagging ring seal. In one embodiment, the housing assembly includes a housing having an inlet, an outlet and an access port. A bagging ring is disposed around the access port and includes a material having a property that enhances the bag-to-bagging ring seal. Examples of materials that have a property that enhance the bag-to-bagging ring seal include materials that are attracted to a plastic bag, materials that are tacky, materials that have a static attraction to a plastic bag.

IPC Classes  ?

• B01D 45/00 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces

Goods & Services

(1) Air filters for industrial use in collecting dust.

Abstract

Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

IPC Classes  ?

• B01D 50/00 - Combinations of methods or devices for separating particles from gases or vapours

Abstract

Embodiments of the invention generally provide an apparatus and method for decontaminating tubing. The invention is particularly suitable for decontaminating tubing in a test system used for certifying a filter in a containment system. In one embodiment, a test system for a containment system is provide that includes a sample system including equipment adapted for testing a filter disposed in a containment system utilizing samples obtained from a downstream sample port and a upstream sample port of the containment system, and a device for reversing a flow within the sample system. In another aspect of the invention, a method for decontaminating tubing is provided. In another embodiment, the method includes flowing a sterilization agent through tubing in a first direction and flowing the sterilization agent through tubing in a second direction.

IPC Classes  ?

• B01D 46/04 - Cleaning filters

Abstract

Embodiments of the invention generally provide an apparatus and method for decontaminating tubing. The invention is particularly suitable for decontaminating tubing in a test system used for certifying a filter in a containment system. In one embodiment, a test system for a containment system is provide that includes a sample system including equipment adapted for testing a filter disposed in a containment system utilizing samples obtained from a downstream sample port and a upstream sample port of the containment system, and a device for reversing a flow within the sample system. In another aspect of the invention, a method for decontaminating tubing is provided. In another embodiment, the method includes flowing a sterilization agent through tubing in a first direction and flowing the sterilization agent through tubing in a second direction.

IPC Classes  ?

• A61L 2/16 - Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lensesAccessories therefor using chemical substances

Abstract

Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

IPC Classes  ?

• B01D 50/00 - Combinations of methods or devices for separating particles from gases or vapours

Abstract

Embodiments for a filter and method for fabricating the same are provide herein. In one embodiment, a filter is provided that includes a first end cap, a second end cap, at least a first filtration media element and at least a first brace. The first end cap has an air flow aperture formed therethrough. The first and second end caps define a central axis. The first filtration media element is coupled to the first and second end caps and has an orientation curved around the central axis. The brace separates a first closed edge of the filtration media element from a second closed edge of the filtration media element.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Embodiments of the invention generally provide an apparatus and method for certifying a filter in a containment system without decontaminating the containment system prior to certification. The apparatus generally comprises a valve assembly selectable between at least three operational states. A first state prevents flow from prevents flow through a port of a housing. A second state fluidly couples the port to test equipment necessary to test a filter disposed within the housing. A third state seals the port but fluidly couples the test equipment to a decontamination system.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Embodiments of the invention generally provide an apparatus and method for certifying a filter in a containment system without decontaminating the containment system prior to certification. The apparatus generally comprises a valve assembly selectable between at least three operational states. A first state prevents flow from prevents flow through a port of a housing. A second state fluidly couples the port to test equipment necessary to test a filter disposed within the housing. A third state seals the port but fluidly couples the test equipment to a decontamination system.

IPC Classes  ?

• B01D 50/00 - Combinations of methods or devices for separating particles from gases or vapours

Abstract

A filter system having in-situ scan capabilities is provided. In one embodiment of the invention, the system includes a downstream probe which may be rotated to scan the field of a filter installed in the system. The probe may be utilized for leak detection, velocity measurements, efficiency testing and the like. In one embodiment, one or more probes are rotated downstream of the filter to scan the downstream face of the filter.

IPC Classes  ?

• G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials

Abstract

Embodiments of the invention generally related to a method and apparatus for scanning a v-bank filter. In one embodiment, an apparatus for scanning a v-bank filter includes a hollow body having first and second ends. An outlet, formed at the second end of the body, is adapted for coupling a testing device to an interior volume of the body. A plurality of holes are formed through the body and are fluidly coupled to the interior volume. In another embodiment, a method for scanning a v-bank filter includes inserting a probe having a plurality of sample ports into a filter adjacent a filter pack, and traversing the probe along the filter pack. In yet another embodiment, a method for scanning a v-bank filter includes scanning a slot of a v-bank filter with a probe, and collecting samples of gas passing through the filter an into the probe.

IPC Classes  ?

• G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials

Abstract

Embodiments of the invention generally include a contamination housing assembly and bag for use therein. In one embodiment, a contamination housing assembly includes a housing having an inlet, outlet, and access port. A bagging ring is coupled to the housing and circumscribes the port. A door is provided for covering the port. A bag indicator is coupled to at least one of the containment housing or door and is visible, when in a first position, from an exterior of the containment housing when the door substantially covers the bagging ring. In yet another embodiment, a bag for use with a containment housing is provided. The bag has an open end configured to engage with a bagging ring. The bag includes at least one of a strap or a RF readable tag.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Embodiments of the invention generally include a contamination housing assembly and bag for use therein. In one embodiment, a contamination housing assembly includes a housing having an inlet, outlet, and access port. A bagging ring is coupled to the housing and circumscribes the port. A door is provided for covering the port. A bag indicator is coupled to at least one of the containment housing or door and is visible, when in a first position, from an exterior of the containment housing when the door substantially covers the bagging ring. In yet another embodiment, a bag for use with a containment housing is provided. The bag has an open end configured to engage with a bagging ring. The bag includes at least one of a strap or a RF readable tag.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Embodiments of the invention generally related to a method and apparatus for scanning a v-bank filter. In one embodiment, a method for testing a v-bank filter includes providing an aerosol challenge to an upstream side of a v-bank filter, scanning a downstream side of the v-bank filter with a probe having one or more rectangular sample ports, and providing samples taken through the probe during scanning to a test instrument. In yet another embodiment, a probe for scanning a v-bank filter is provided that includes a body having a plurality of rectangular sample ports. Each sample port is tapered to a port configured to connect to a sample tube. The long sides of the rectangular sample ports are arranged in a stacked parallel orientation.

IPC Classes  ?

• G01M 3/20 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material

Abstract

Embodiments of the invention generally provide a frame assembly having an integral holding frame/clamp. The frame assembly is typically mounted in a housing of an air handler or other air moving conduit. The holding frame/clamp is coupled to the frame assembly by a hinge. The holding frame/lamp is configured to retain a prefilter. When the holding frame/clamp is to a closed position, the holding frame/clamp urges a final filter sealingly against the frame assembly. The clamp holding frame/clamp is maintained in the closed position by a latch. The latch facilitates removal and replacement of the final ter rapidly without tools, thereby substantially reducing the expense associated with filter change out.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

A housing assembly having an integrated damper with a linear drive mechanism is provided. In one embodiment, the housing assembly includes a housing having an inlet and an outlet. A damper is disposed in the housing and is positionable to regulate flow entering the housing through the inlet. A linear drive mechanism is operably coupled to the damper and is adapted to linearly move the damper between positions that are spaced-apart from the housing and a position that closes the inlet. The linear drive mechanism is configured to move the damper linearly without rotating the damper.

IPC Classes  ?

• F16K 1/38 - Valve members of conical shape

Abstract

Embodiments of the invention generally related to a method and apparatus for scanning a v-bank filter. In one embodiment, an apparatus for scanning a v-bank filter includes a hollow body (102) having first and second ends (104, 108). An outlet (106), formed a the second end of the body, is adapted for coupling a testing device to an interior volume of the body. A plurality of holes (110) are formed through the body and are fluidly coupled to the interior volume. In another embodiment, a method for scanning a v-bank filter includes inserting a probe (100) having a plurality of sample ports into a filter adjacent a filter pack, and traversing the probe along the filter pack. In yet another embodiment, a method for scanning a v-bank filter includes scanning a slot of a v-bank filter with a probe, and collecting samples of gas passing through the filter and into the probe.

IPC Classes  ?

• G01M 99/00 - Subject matter not provided for in other groups of this subclass
• G01M 3/04 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
• G01N 1/22 - Devices for withdrawing samples in the gaseous state
• G01N 1/26 - Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
• G01M 3/16 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
• G01M 3/20 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
• G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials

Abstract

Embodiments of the invention generally related to a method and apparatus foe scanning a v-bank filter. In one embodiment, an apparatus for scanning a v-bank filter includes a hollow body having first and second ends. An outlet, formed at the second end of the body, is adapted for coupling a testing device to an interior volume of the body. A plurality of holes are formed through the body and are fluidly coupled to the interior volume. In another embodiment, a method for scanning a v-bank filter includes inserting a probe having a plurality of sample ports into a filter adjacent a filter pack, and traversing the probe along the filter pack. In yet another embodiment, a method for scanning a v-bank filter includes scanning a slot of a v-bank filter with a probe, and collecting samples of gas passing through the filter and into the probe.

IPC Classes  ?

• G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials
• G01N 1/26 - Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
• G01M 19/00 -
• B01D 35/14 - Safety devices specially adapted for filtrationDevices for indicating clogging

Abstract

Embodiments of the invention generally include a filter housing having a bagging ring coated to enhance a bag-to-bagging ring seal. In one embodiment, the housing assembly includes a housing having an inlet, an outlet and an access port. A bagging ring is disposed around the access port and includes a material having a property that enhances the bag-to-bagging ring seal. Examples of materials that have a property that enhance the bag-to-bagging ring seal include materials that are attracted to a plastic bag, materials that are tacky, materials that have a static attraction to a plastic bag.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Embodiments of the invention generally include a filter housing having a bagging ring coated to enhance a bag-to-bagging ring seal. In one embodiment, the housing assembly includes a housing having an inlet, an outlet and an access port. A bagging ring is disposed around the access port and includes a material having a property that enhances the bag-to-bagging ring seal. Examples of materials that have a property that enhance the bag-to-bagging ring seal include materials that are attracted to a plastic bag, materials that are tacky, materials that have a static attraction to a plastic bag.

IPC Classes  ?

• B01D 45/00 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces

Abstract

Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

IPC Classes  ?

• B01D 50/00 - Combinations of methods or devices for separating particles from gases or vapours

Abstract

Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

IPC Classes  ?

• B01D 19/00 - Degasification of liquids

Abstract

Embodiments of the invention generally provide a filter module having a mechanically positionable test probe disposed therein and a method for testing a filter. In one embodiment, a filter module includes a housing adapted to receive a filter element. A sample probe suitable for leak testing the filter element is disposed in the interior volume of the housing. The sample probe may be moved to scan the filter by an actuator. In another embodiment, a method for testing a filter includes challenging a room side of a filter element disposed in a housing with a test aerosol, moving a probe disposed within the housing to obtain samples for testing and determining if the samples exceed a predefined leak criteria.

IPC Classes  ?

• B01D 46/44 - Auxiliary equipment or operation thereof controlling filtration

Abstract

A filter module and method for facilitating rapid flow setting and/or cost-effective balancing of airflow through a plurality of filters is provided. In one embodiment, the filter module includes at least one port configured to provide a metric indicative of flow through the housing assembly. In various other embodiments, at least one port is utilized for sensing differential pressure across a flow restrictor, such as a damper assembly and/or a diffuser plate of the housing assembly, an orifice plate disposed in a collar or ductwork coupled to collar, and the like. In another aspect of the invention, a method for replacing an air filter is provided that includes the steps of replacing an air filter disposed in a filter housing assembly, and setting a damper position using a damper position indicator to return air flow through the filter to a predetermined rate.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

A filter system having in-situ scan capabilities is provided. In one embodiment of the invention, the system includes a downstream probe which may be rotated to scan the field of a filter installed in the system. The probe may be utilized for leak detection, velocity measurements, efficiency testing and the like. In one embodiment, one or more probes are rotated downstream of the filter to scan the downstream face of the filter.

IPC Classes  ?

• G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials

Abstract

A filter housing assembly for exhaust applications and method of testing the same is provided. In one embodiment, the filter housing assembly includes a housing having a filter receiving aperture, a first air flow port configured to couple the housing to an exhaust system and a second air flow port sized to deliver a flow capable of providing at least 75 feet per minute of air flow through the filter receiving aperture. A filter element is sealingly disposed in the filter receiving aperture of the housing. A cap is provided that operably seals the second air flow port when not in use. In another embodiment, a method for testing a filter housing assembly for exhaust applications includes providing air through a filter element disposed in the housing in a direction opposite an operational air flow direction, leak testing the filter element from a roomside of the filter element, and, flowing air through the filter element after leak testing in the operational direction.

IPC Classes  ?

• G01N 1/22 - Devices for withdrawing samples in the gaseous state
• G01N 1/20 - Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials

Abstract

A filter housing assembly (106) having a gas-tight seal and a method of replacing a filter are generally provided. In one embodiment, the filter housing assembly includes a housing (180) having an opening adapted to receive a filter (108) and an inlet. A seal member (302, 802) is coupled to the housing and is moveable between a first position and at least a second position, the second position sealing the inlet. The filter housing assembly may be configured to retain a roomside replaceable filter or have a filter permanently adhered within the opening.

IPC Classes  ?

• B01D 35/30 - Filter housing constructions
• B01D 46/42 - Auxiliary equipment or operation thereof
• B08B 15/00 - Preventing escape of dirt or fumes from the area where they are producedCollecting or removing dirt or fumes from that area
• F24F 13/28 - Arrangement or mounting of filters

Goods & Services

Air filters for industrial use.

Goods & Services

(1) Air filters for industrial use.

Goods & Services

Air filters for air conditioning and ventilating units for domestic and industrial installations

Goods & Services

AIR FILTERS FOR USE IN HEATING, VENTILATING AND AIR CONDITIONING UNITS

Goods & Services

(1) Air filters for domestic, commercial and industrial installations.

Goods & Services

CEILING MOUNTED AIR FILTER MODULE FOR INDUSTRIAL USE IN AN ULTRA CLEAN ENVIRONMENT

Goods & Services

COMMERCIAL AND INDUSTRIAL AIR FILTERS AND FILTRATION EQUIPMENT

Goods & Services

INDUSTRIAL AIR FILTERING APPARATUS