Ceiling Type Patents (Class 454/292)
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Publication number: 20080064318Abstract: A ventilation fan and hanging light arrangement includes a ventilator assembly located in a ceiling of the room and a cover in the form of a ceiling medallion disposed in covering relation to the ventilator assembly. The ventilator assembly includes a ventilator having an impeller and an airduct attachment opening for ventilating air from the room through the airduct attachment opening. The cover disposed over the ventilator assembly conceals the ventilator assembly from view by a person in the room. However, the cover has at least one ventilation opening disposed therein that allows airflow there through from the room to the ventilator assembly. A hanging light fixture is suspended from the ceiling directly below the ventilator assembly. The cover preferably is a decorative ceiling medallion that compliments the hanging light fixture. The arrangement hides the ventilator assembly such that a person in the room will not immediately appreciate that the room is ventilated.Type: ApplicationFiled: September 7, 2006Publication date: March 13, 2008Applicant: Brushstrokes Design Studio, Inc.Inventors: Robin Bohrer Wellner, Lana McClanahan Rubright
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Publication number: 20080045137Abstract: An insulated plenum box, such as a ceiling box or any other metal plenum box, for heating, ventilating and air conditioning (HVAC) duct systems is produced faster and cheaper than prior art devices by having insulation sprayed onto either the inside or the outside of the plenum box to match the R-value of the connecting insulated HVAC duct, saving time, labor, and cost for the end user by eliminating the step of insulating the plenum box at installation.Type: ApplicationFiled: August 1, 2006Publication date: February 21, 2008Inventor: Floro Rosal
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Patent number: 7331854Abstract: A building protection system comprises a filtration unit, an air handling unit, an emergency exhaust subsystem, a first damper positioned between the filtration unit and the air handling unit, and a second damper positioned between the emergency exhaust subsystem and the filtration unit. The first damper is selectively opened and the second damper is selectively closed to filter outside air as it enters a building, and the first damper is selectively closed and the second damper is selectively opened to filter inside air as it is exhausted from, the building.Type: GrantFiled: October 13, 2004Date of Patent: February 19, 2008Assignee: Lockheed Martin CorporationInventors: Robert H. Fleming, D. James Schooley
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Patent number: 7204096Abstract: An air discharge outlet comprises line air discharge outlets (35) and corner air discharge outlets (36). The line air discharge outlets (35) are so formed as to extend, respectively, along four sides of a casing bottom part having four side parts and four corner parts wherein the side and corner parts are formed in contiguous relationship to one another. The corner air discharge outlets (36) are formed, respectively, in the four casing corner parts so that each corner air discharge outlet (36) establishes connection between adjacent ones of the line air discharge outlets (35). And, each line air discharge outlet (35) is provided with a swing vane (38) swingable about a longitudinal shaft (41) of each line air discharge outlet (35). Each corner air discharge outlet (36) is provided with a fixed stationary vane (39).Type: GrantFiled: October 30, 2003Date of Patent: April 17, 2007Assignee: Daikin Industries, Ltd.Inventors: Toru Iwata, Masakazu Hirai
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Patent number: 7185504Abstract: An operational air conditioning mode is allowed to set to a temperature uniformization mode and a spot air conditioning mode, and is selectively switched between these modes automatically by a control means (53) or manually. In such an embodiment, a comfortably air-conditioned state is obtained in all the areas of a space to be air-conditioned W during air conditioning performed in the temperature uniformization mode, and the comfort is ensured by intensively air-conditioning the surroundings of a person during air conditioning performed in the spot air conditioning mode. At the same time, since an unnecessary air conditioning is not provided to a region without the presence of a person, energy conservation is improved, for example, and thus the comfort of air conditioning and energy conservation are both achieved.Type: GrantFiled: December 20, 2002Date of Patent: March 6, 2007Assignee: Daikin Industries Ltd.Inventors: Masaya Kasai, Sumio Shiochi, Ryuuji Akiyama, Kazuhisa Shigemori
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Patent number: 7156892Abstract: A filter protection apparatus includes a frame of a closed curve defining an inner space isolated from surroundings, the frame having a shape of a filter securing part for securing an air filter, an attaching part for attaching the frame to a filter securing part, and a protection part, which is coupled on the inner surface of the frame to occupy the inner space with a plurality of minute holes through which air passes, for protecting the filter from damage. In operation, the protection part is able to prevent damage to the filter that may be caused by work instruments during maintenance work.Type: GrantFiled: October 15, 2003Date of Patent: January 2, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-Won Kim, Jung-Sung Hwang, Tae-Hyup Kim
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Patent number: 7140960Abstract: The present invention relates to duct systems, registers and ductwork components used with floor or ceiling registers employed in warm air heating, ventilating and air conditioning systems, and specifically to improvements for mounting and installing the components of the duct system, including register boots, mud rings and register grilles, in the walls, floors or ceilings of buildings components, mud ring, register grille and wall, floor or ceiling opening, which reduces costs. The invention includes an adjustable boot hanger mounting bracket assembly comprising a boot hanger frame portion and a support member portion; the ductwork components, which may include a pre-fabricated can-boot/mud ring assembly; a pair of boot hanger arms; and a register grille. The boot hanger mounting bracket assembly is formed of a sturdy yet bendable material so that it can be configured and adjusted on-site.Type: GrantFiled: April 19, 2004Date of Patent: November 28, 2006Assignee: Applied Applications International, Inc.Inventor: Allan Pilger
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Patent number: 7108600Abstract: The present invention provides an air duct registrer for adding forced air (heat, air conditioning), exhausting air or simply to balance air quality. The air duct register has a manifold and is designed with a removable manifold collar connectible to the flexible or rigid duct. The manifold has thumb cam fasteners to provide ease of installation from below the finished ceiling. With the duct in place above the ceiling elevation, the appropriate opening can be cut and all connections can be made below ceiling elevations via the manifold collar opening. The duct is routed through the manifold opening and connected onto the manifold collar retainer barbs. The manifold collar plate can then be snapped securely into the manifold. The grille then slides into the manifold and is pushed tight to the finished ceiling.Type: GrantFiled: April 16, 2004Date of Patent: September 19, 2006Inventors: Steven P. Krzyskowski, Daniel L. Ritchie
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Patent number: 7022010Abstract: A ceiling has an upper surface, a lower surface and a circular aperture. A boot has a cylindrical lower section and a large circular cross sectional configuration and with a cylindrical upper section and a small circular cross sectional configuration. The diameter of the circular aperture is slightly greater than the diameter of the lower section of the boot. The boot also includes a circular flange extending radially outwardly from the lower edge of the boot with threaded apertures around the flange. A grill has an exterior diameter equal to the exterior diameter of the flange. Threaded apertures are aligned with the apertures of the flange with bolts to removably couple the grill to the boot. The grill has a plurality of slots for the flow of air there through.Type: GrantFiled: August 31, 2004Date of Patent: April 4, 2006Inventor: Keith Cardon
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Patent number: 7011578Abstract: A plenum and diffuser for use with an HVAC system for distributing air through an opening in a ceiling, the plenum having a large diameter bottom opening by which air is passed through an opening in the ceiling, and having an air inlet opening. A hanger bar extends through the plenum housing over the large diameter opening. A junction box is secured to the hanger bar for supporting a light fixture or ceiling fan. A diffuser is in the form of a planar, circular structure of thin, rigid material having a circumferential outer edge and a central opening dimensioned to accommodate a junction box. The diffuser has a plurality of radially extending fins and a radially extending air slot opening in conjunction with each fin.Type: GrantFiled: December 31, 2003Date of Patent: March 14, 2006Assignee: R.C. Air Devices, LLCInventor: William Roger Core
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Patent number: 6986708Abstract: Multiple methods of supplying conditioned air to a room and components therefor are provided. A dual plenum system has a supply plenum for delivering supply air to the room and a return plenum for returning room air to an air handling unit. Conduits are provided to permit passage of the return air through the supply plenum without breaching the integrity of the supply plenum. Modular units permit a user to customize the supply and return apparatuses. A terminal unit having a controllable damper blade can be applied to a diffuser to permit the unit to be convertible between a constant volume unit and a variable volume unit. A thermostat generates signals that open and close the damper blade at determined intervals.Type: GrantFiled: April 25, 2003Date of Patent: January 17, 2006Assignee: AirFixture L.L.C.Inventor: Stanley J. Demster
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Patent number: 6945866Abstract: A method and apparatus for delivering conditioned air using short duty cycles during which a damper is fully open for a time and fully closed for the remaining time. Conditioned air is continuously supplied to a plenum at low pressure and is applied to the space when the damper is open and blocked when the damper is closed. The proportion of on to off time during each duty cycle is adjusted to meet the load. When several supply terminals serve a space, their duty cycles are staggered to avoid fan instability. A special motor is coupled directly to the damper shaft for fast opening and closing of the damper. A magnetic latch holds the damper open or closed until the motor moves it again.Type: GrantFiled: May 17, 2002Date of Patent: September 20, 2005Assignee: AirFixture L.L.C.Inventor: Stanley J. Demster
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Patent number: 6866579Abstract: The present invention relates to duct systems, registers and ductwork components used with floor or ceiling registers employed in warm air heating, ventilating and air conditioning systems, and specifically to improvements for mounting and installing the components of the duct system, including register boots, mud rings and register grilles, in the walls, floors or ceilings of buildings. The invention includes an adjustable boot hanger mounting bracket assembly comprising a boot hanger frame portion and a support member portion; the ductwork components, which may include a pre-fabricated can-boot/mud ring assembly; a pair of boot hanger arms; and a register grille. The boot hanger mounting bracket assembly is formed of a sturdy yet bendable material so that it can be configured and adjusted on-site. Once configured, the boot hanger mounting bracket assembly is secured to the building structure by securing a pair of boot hanger arms to the ceiling joists, wall studs or other support structure.Type: GrantFiled: July 11, 2002Date of Patent: March 15, 2005Assignee: Applied Applications International, Inc.Inventor: Allan Pilger
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Patent number: 6837787Abstract: A sleeve assembly (2) for supporting flexible duct (4) includes a frame (6) with first and second frame sections (10a, b). The frame sections are secured together by fastener subassemblies (8). The sleeve assembly accommodates flexible duct in various angular and straight configurations. The frame can comprise various suitable materials and skeletal or solid-exterior construction. The sleeve assembly is adapted for various installations in air distribution systems of heating, ventilating and air conditioning systems.Type: GrantFiled: February 5, 2001Date of Patent: January 4, 2005Assignee: Flexible Technologies Inc.Inventor: Dale J. Crook
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Publication number: 20040237572Abstract: Air conditioning and ventilating system including air conditioner installed on a ceiling, having air outlets for discharging air having heat heat exchanged at an indoor heat exchanger, and a device for controlling a direction of air discharged from the air outlets, a first air passage for guiding outdoor air to a room, and a second air passage for guiding room air to an outdoor. The first, and second air passages cross at a part, where a regenerative heat exchanger is provided. The deflecting plate is tilted at an angle from a ceiling surface for directing the air from the air outlet, not vertical to the ceiling surface, but at an angle from the ceiling surface.Type: ApplicationFiled: March 25, 2004Publication date: December 2, 2004Inventors: Gi Seop Lee, Kyung Hwan Kim, Jeong Yong Kim
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Publication number: 20040185772Abstract: The present invention relates to duct systems, registers and ductwork components used with floor or ceiling registers employed in warm air heating, ventilating and air conditioning systems, and specifically to improvements for mounting and installing the components of the duct system, including register boots, mud rings and register grilles, in the walls, floors or ceilings of buildings.Type: ApplicationFiled: July 11, 2002Publication date: September 23, 2004Inventor: Allan Pilger
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Publication number: 20040050077Abstract: An indoor unit (Z1) has a casing (1) which is embedded or suspended in/from a ceiling (50), and an indoor panel (2) which is provided on a lower side of the casing (1) and installed in an indoor exposed state. The indoor panel (2) is provided with an air inlet (3), a plurality of air outlets (4) which surround the air inlet (3) in a rectangular shape and have a rectangular shape. An infrared sensor (15) is provided on an exposed portion of the indoor panel (2). The indoor unit (Z1) further has an airflow changing unit (52) for changing characteristics of airflow blown out from each of the air outlets (4), and a control unit (53) for controlling the airflow changing unit (52) based on output information of the infrared sensor (15).Type: ApplicationFiled: July 15, 2003Publication date: March 18, 2004Inventors: Masaya Kasai, Sumio Shiochi, Tomohiro Yabu, Ryuuji Akiyama, Kazuhisa Shigemori
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Publication number: 20030207666Abstract: A sleeve assembly (2) for supporting flexible duct (4) includes a frame (6) with first and second frame sections (10a, b). The frame sections are secured together by fastener subassemblies (8). The sleeve assembly accommodates flexible duct in various angular and straight configurations. The frame can comprise various suitable materials and skeletal or solid-exterior construction. The sleeve assembly is adapted for various installations in air distribution systems of heating, ventilating and air conditioning systems.Type: ApplicationFiled: October 17, 2002Publication date: November 6, 2003Inventor: Dale J Crook
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Patent number: 6554880Abstract: Apparatus for a discharge vent on an air circulation system includes structures for controlling the direction and quantity of airflow. Filter elements may be provided to help reduce contaminants that might otherwise be discharged through the vent. Preferred methods for assembling and using the apparatus are disclosed.Type: GrantFiled: November 22, 2000Date of Patent: April 29, 2003Inventor: David T. Northcutt
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Patent number: 6533656Abstract: A counterweight biased duct vent closure and door for a conventional overhead or surface mounted forced hot/cool air supply vent opening. The closure door includes a covering sized to fit over and sealably cover the register or vent opening from communication with the conditioned space when the HVAC system is not in use while automatically opening the cover to provide for treated or forced hot/cool air to be allowed into a space. The duct vent closure provided with an extension forming a counterweight spaced from and rotatable along with the door about a hinge in response to an increase and decrease in air pressure from the duct. Upon generation of a positive air pressure through the duct, the force of air pressure overcomes the gravitational bias provided by the counterweight and the covering is automatically pushed open away from the frame of the apparatus thus enabling the forced air to emanate from the vent and into the room.Type: GrantFiled: June 21, 2001Date of Patent: March 18, 2003Inventor: Peter H. Hertel
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Patent number: 6511522Abstract: A clean room filter support system has a filter unit comprising a perimetrical frame having four sides of a predetermined vertical extent with upper and lower edges and filtering material held within the frame for air flow between a first plane incorporating rear face of the filter material and a second plane incorporating a front face of the filter material, at least one side of the perimetrical frame defines an outwardly projecting bracket. There is a connector extending vertically between the support surface and the filter unit frame that has a rod supported from the support surface and an anchor structure supported by the rod. A spring-loaded pin engages with the bracket and is adjustable to selectively engage the anchor structure to couple the filter unit by its bracket to the anchor structure, the pin being adjustable for selectively engaging the anchor structure. A clip interposed between the pin head and the bracket blocks shifting of the filter unit against the resiliency of the spring.Type: GrantFiled: March 23, 2001Date of Patent: January 28, 2003Assignee: HEPA CorporationInventors: Tony Gomez, Matthew Wharton, Richard Braman
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Patent number: 6478673Abstract: A diffuser for a heating and air conditioning system includes a body portion and an adapter. The body portion includes a flange with a cylindrical portion. Flexible arms having projections are located about the cylindrical portion. Clamp guides are positioned about the cylindrical portion as well. The adapter includes multiple, different size cylindrical sections. One of the sections includes openings for receiving the projections on the arms to secure the adapter to the body. A tear-away strip is provided to remove unneeded sections of the adapter. Two attachment mechanisms are provided for securing the diffuser to a ceiling. The diffuser further includes a removable vane unit. The vane unit includes multiple projections for engaging prongs on the base to secure the vane unit to the base. A ribs on the projections contact the prongs to limit vibrations. The diffuser baffles include a collar for reducing vibrations.Type: GrantFiled: December 29, 2000Date of Patent: November 12, 2002Assignee: Continental Industries, Inc.Inventor: Gerald D. Haynes
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Patent number: 6458028Abstract: A diffuser for a ceiling allows a ceiling fan to be mounted directly below the diffuser so that the fan may distribute the air being delivered out of the diffuser. The diffuser includes an upper box section mounted on a lower section that mounts the diffuser on the ceiling. The down rod of the ceiling fan is connected to the diffuser to support the ceiling fan. The down rod may be supported above the upper section so that the electrical connections between the ceiling fan and an electrical source may be positioned outside of the diffuser.Type: GrantFiled: December 14, 2000Date of Patent: October 1, 2002Inventor: Darryl L. Snyder
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Publication number: 20020119747Abstract: A fan unit is provided comprising:Type: ApplicationFiled: February 26, 2001Publication date: August 29, 2002Inventor: Lee Zong Tang
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Patent number: 6435963Abstract: Devices, methods of using the devices, and kits are described that provide a protective barrier device between an air delivery structure of an air conditioning unit and the ceiling components that are adjacent to the air delivery structure. The device is a unitary water-impermeable structure having surfaces that act as barrier, preventing condensation collecting on the air delivery structure from passing to the sorrounding ceiling components. A preferred embodiment of the invention has a surface projecting into the space being cooled, said surface deflecting air from the adjacent ceiling structures, thereby reducing or preventing collection of dirt or other particles, or moisture, from depositing on the adjacent ceiling components.Type: GrantFiled: December 28, 2000Date of Patent: August 20, 2002Inventor: W. Larry Dill
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Patent number: 6405644Abstract: The present invention describes an apparatus useful for maintaining perishable products in a controlled environment as a modular unit. This modular unit, or self-contained apparatus, encompasses all the equipment necessary for installation while offering temperature stability, simplified maintenance requirements, and ultimately, precise control of ripening. Designed for efficiency, typical labor and equipment costs and energy consumption of a ripening room are reduced with the palletized ripening cabinet. The present invention may also be easily adapted for the combination of units or for various temperature requirements and otherwise from pre-cooler to freezer.Type: GrantFiled: October 10, 2001Date of Patent: June 18, 2002Inventor: Robert J. Windecker
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Patent number: 6354937Abstract: A sleeve assembly for supporting flexible duct includes a frame with first and second frame sections. The frame sections are secured together by fastener subassemblies. The sleeve assembly accommodates flexible duct in various angular and straight configurations. The frame can comprise various suitable materials and skeletal or solid-exterior construction. The sleeve assembly is adapted for various installations in air distribution systems of heating, ventilating and air conditioning systems.Type: GrantFiled: February 5, 2000Date of Patent: March 12, 2002Inventor: Dale J. Crook
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Publication number: 20020007934Abstract: An air-conditioning device especially for ceiling placement with low build-in height and comprising at least one preferably vertically oriented heat exchanger, with substantially horizontal percolation of the room air and at least one ventilation channel for fresh air provided substantially parallel to and within a small distance from the heat exchanger, at its outlet side, a downwards open air chamber provided between the ventilation channel and the heat exchanger, and air nozzles provided in the channel side wall of the ventilation channel facing the air chamber, which are directed towards the outlet of the air chamber. The ventilation channel is provided with a preferably convex channel wall which diametrically extends substantially from the upper corner of the ventilation channel to the lower corner of the ventilation channel. The heat exchanger and the ventilation channel are arranged with a downwards, diverging open air space.Type: ApplicationFiled: May 1, 2001Publication date: January 24, 2002Inventor: Goran Hultmark
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Publication number: 20010027086Abstract: A diffuser for a ceiling allows a ceiling fan to be mounted directly below the diffuser so that the fan may distribute the air being delivered out of the diffuser. The diffuser includes an upper box section mounted on a lower section that mounts the diffuser on the ceiling. The down rod of the ceiling fan is connected to the diffuser to support the ceiling fan. The down rod may be supported above the upper section so that the electrical connections between the ceiling fan and an electrical source may be positioned outside of the diffuser.Type: ApplicationFiled: December 14, 2000Publication date: October 4, 2001Inventor: Darryl L. Snyder
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Patent number: 6267666Abstract: A single flow of incoming air through a closed sound-absorbent air-conditioned ceiling is used for air conditioning a room. The flow of incoming air can be temperature controlled. Part of the flow of heat associated with the flow of incoming air is conveyed into the room in the form of heat radiation emitted from the air-conditioned ceiling. The air-conditioned ceiling is manufactured from materials with a high level of heat conductivity for this purpose.Type: GrantFiled: January 13, 2000Date of Patent: July 31, 2001Assignee: Wilhelmi Werke AGInventor: Frank H. Wilhelmi
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Patent number: 6251007Abstract: An air diffuser plenum for use with climate control systems to direct air to desired locations within the interior of a building. An inlet receives air from the climate control system. Within the air diffuser plenum is a cavity which receives the incoming air. The bottom of the housing has a diffuser insert mounted thereon which directs air from the cavity to outlets connected to the sides of the diffuser. The diffuser has a rectangular inlet to cooperate with a transition duct which preferably installed from the roof into a building. The diffuser also has a transition portion directing air from the inlet to a substantially square cross section area prior to directing air out of the vents. A method for making the diffuser is also disclosed.Type: GrantFiled: February 5, 2000Date of Patent: June 26, 2001Inventor: Randall L. Smith
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Patent number: 6206778Abstract: An air diffuser plenum for use with climate control systems to direct air to desired locations within the interior of a building. An inlet receives air from the climate control system. Within the air diffuser plenum is a cavity which receives the incoming air. The bottom of the housing has a deflector which is formed from the interior sides of a bottom portion of the diffuser. The deflector directs air from the cavity to outlets connected to the sides of the diffuser. Since the deflector is formed from the opposing sides of the bottom portion of the diffuser, there is no need for a separate bottom plate to hold a diffuser insert in place. Additionally, the deflector may extend a distance beyond the side wall intersection to direct air in direction.Type: GrantFiled: January 21, 2000Date of Patent: March 27, 2001Inventor: Randall L. Smith
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Patent number: 6193603Abstract: A wind outlet plate of an air conditioner for cleaning air comprises a wind outlet panel, an upper cover, a wind guiding plate, a filter, a negative ion generator, an ultraviolet lamp. The wind outlet panel has a wind outlet. The upper cover is installed above the wind outlet panel and has respective wind inlet and wind outlet. The wind guiding plate is installed below the wind outlet panel for guiding air flow. The filter is installed on the wind guiding plate for filtering dust, and at least one rotary groove is installed at the lateral side thereof, by rotation, the rotary groove is buckled to the rotary hook at the wind inlet of the upper cover for engagement or detachment. A negative ion generator is installed at the bottom of the upper cover near the wind inlet; and an ultraviolet (UV) lamp is installed at the bottom of the upper cover near the wind inlet.Type: GrantFiled: October 7, 1999Date of Patent: February 27, 2001Inventor: Kuo-Cheng Tai
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Patent number: 6168517Abstract: An air circulation and mixing device is disclosed which can cover a ceiling air ventilation duct, taking air discharged from the duct and drawing air at the room's ceiling, mixing the two, and redirecting the mixed air so that it is discharged radially and parallel to the ceiling, rather than directly downwardly. The device has an open frame whose sides may be covered with removable air filtration media and which forms a primary interior having a lower aperture and normally an upper aperture. An open-sided grille below the lower aperture forms a secondary space. A fan is mounted within the primary space and turns blades within the lower aperture and a disk at the bottom of the secondary space. An annular plate surrounding the fan housing blocks downward flow of incoming air and forces the air to flow radially outwardly around the edge of the plate, thus also insuring good mixing with the incoming ceiling air.Type: GrantFiled: October 29, 1999Date of Patent: January 2, 2001Inventor: E. F. Cook
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Patent number: 6077160Abstract: A ripening room is disclosed for ripening perishable products, such as fruits and vegetables, and more particularly bananas, in which the air flow and temperature are closely controlled by the room construction and by a cooling control system that archives uniform ripening of the fruit regardless of the physical location of the fruit within the room. These desired results are accomplished using a minimum quantity of energy and cooling capacity by use of an improved cooling controller that gradually changes the temperature setpoint over time to allow the cooling (refrigeration) system to operate near its full capacity without any periods of intense cooling (due to sudden changes of the temperature setpoint, as in the prior art). The uniform ripening is also achieved by an improved air distribution system that provides a greater back pressure in portions of a ripening room that, in conventional designs, receives far too much air flow.Type: GrantFiled: April 14, 1999Date of Patent: June 20, 2000Assignee: Chiquita Brands, Inc.Inventors: Stanislaw Franaszek, Grzegorz Pawel Mizera
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Patent number: 6070383Abstract: A clean room filter unit mounting system including a bracket, a bracket and fastener assembly, and individually mounted filter units. The bracket and fastener assembly includes a bracket having a relatively fixed member and a relatively movable member to allow misaligned mounting of parts such as the filter units in a clean room ceiling to fixed suspension rods without perfect registration of the bracket fixed member with the suspension rods, and a fastener able to pass through both bracket members in a first arrangement and to block such passage in a second disposition.Type: GrantFiled: August 2, 1999Date of Patent: June 6, 2000Assignee: HEPA CorporationInventor: Peter Jeanseau
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Patent number: 6030287Abstract: A system for distributing air through an opening in a ceiling into a room, the ceiling being supported by spaced apart joists or other ceiling structural members, the air being supplied by a duct located above the ceiling, including a plenum having an open top connected to the duct and an open bottom in communication with the ceiling opening. A support bar extends through the plenum and secured at its opposed ends to ceiling structural member. A motor hanger is secured to the support bar. An air diffuser is positioned in communication with the plenum open bottom. A fan motor is supported to the lower end of the motor hanger. A plurality of generally horizontally extending fan blades are attached to and rotated by the motor. Air is passed from the duct through the plenum and diffuser into the room, distribution of the air being augmented by the fan blades as rotated by the motor.Type: GrantFiled: June 29, 1998Date of Patent: February 29, 2000Inventor: William Roger Core
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Patent number: 5946875Abstract: A clean room filter unit mounting system including a bracket, a bracket and fastener assembly, and individually mounted filter units. The bracket and fastener assembly includes a bracket having a relatively fixed member and a relatively movable member to allow misaligned mounting of parts such as the filter units in a clean room ceiling to fixed suspension rods without perfect registration of the bracket fixed member with the suspension rods, and a fastener able to pass through both bracket members in a first arrangement and to block such passage in a second disposition.Type: GrantFiled: September 9, 1997Date of Patent: September 7, 1999Assignee: HEPA CorporationInventor: Peter Jeanseau
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Patent number: 5795220Abstract: A system for distributing air in a room, the air being supplied by duct work. A plenum having an open top and an open bottom, the open top being in communication with the duct work. An air diffuser is positioned within the room in communication with the plenum providing passage for air flowing from the plenum into the room. A motor is supported within the diffuser having a downwardly extending motor shaft with a lower portion that extends below the diffuser. A plurality of fan blades extend horizontally from the motor shaft so that as air flows into the room through the diffuser the air is effectively distributed in the room by the action of the rotating fan blades.Type: GrantFiled: March 20, 1997Date of Patent: August 18, 1998Inventor: William Roger Core
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Patent number: 5658196Abstract: An air duct diffuser is shown for attachment to a ceiling grid. The diffuser includes a frame which mounts to the ceiling grid and a louvre which mounts to the frame for directing diffused air within an associated air space. A pre-formed, composite housing of insulating material mounts to the frame and has punch-out duct openings of varying sizes provided therein.Type: GrantFiled: November 9, 1995Date of Patent: August 19, 1997Assignee: Marjorie L. TriggInventor: Danny L. Swaim
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Patent number: 5569078Abstract: A diffuser introduces air into a conditioned space to obtain a desired indoor atmospheric environment. The diffuser has a diffuser body and an inlet through the diffuser body. The inlet has an inlet area to receive the air within the diffuser. The diffuser has a primary outlet through the diffuser body. The primary outlet has a fixed primary area to direct air from within the diffuser into the conditioned space. The diffuser has a secondary outlet through the diffuser body. The secondary outlet is provided to direct the air from within the diffuser into the conditioned space. The secondary outlet has a secondary area that is adjustable in size between a predetermined minimum secondary area and a predetermined maximum secondary area. The predetermined minimum area may be chosen to be zero to provide for a fully closed secondary outlet when the secondary area is adjusted to its minimum area. The diffuser may be implemented with a plurality of primary outlets and a plurality of secondary outlets.Type: GrantFiled: March 6, 1995Date of Patent: October 29, 1996Assignee: Colorado State University Research FoundationInventor: Allan T. Kirkpatrick
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Patent number: 5564980Abstract: An air circulation system includes an inflow system which includes a tube enclosure or cowl suspended from a ceiling of a room or from a roof above the room. The tube enclosure or cowl is fitted with a ceiling fan. An air supply unit external to the room (e.g., outdoors) includes an in flow fan connected to air supply duct and a variable air volume box having an inlet connected to the air supply duct and an outlet connected to the interior of the tube enclosure or cowl. The system also includes an outflow system which includes an exhaust grill which may be either suspended from the ceiling or be fitted to the wall of the room. An exhaust riser duct is connected to the exhaust grill. An exhaust fan is connected to the outlet from the exhaust riser. The exhaust fan is operated in conjunction with the inflow fan to exhaust, via the outflow system, substantially all the volume of air inflowing through the air inflow system into the inside room through the outflow system.Type: GrantFiled: February 9, 1995Date of Patent: October 15, 1996Inventor: Sydney J. Becker
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Patent number: 5564975Abstract: A pair of elongated channel supports each defining inwardly open channels are secured to the undersurfaces of a parallel pair of ceiling rails. The channel supports are positioned on each side of a ceiling air flow vent. A pair of generally planar control panels are slidably movable within the channels and extend between the channel supports. The panels are movable between alternative positions within the channels to cover all or part of the air flow vent and thereby control air flow therethrough. In an alternate embodiment, the pair of generally planar control panels are replaced by a single larger panel which is similarly movable within the channels of the channel supports.Type: GrantFiled: September 12, 1995Date of Patent: October 15, 1996Inventor: David T. Northcutt
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Patent number: 5410782Abstract: A clip device for locating an object such as a diffuser in an aperture in a panel comprises a mounting member, a pivotal member, a spring for retaining the pivotal member in either of a first position and second position, and an actuating device comprising a rod and lug whereby the pivotal member can be moved form the first position to the second position. The rod is moveable between an operative condition wherein an end protrudes so as to contact the ceiling panel during insertion of the diffuser in the aperture, and an inoperative condition wherein the end is retracted. The clip can thus be selectively set so as not to operate when the diffuser is installed in the aperture.Type: GrantFiled: March 29, 1994Date of Patent: May 2, 1995Assignee: Holyoake Industries LimitedInventor: Scott N. Holyoake
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Patent number: 5411438Abstract: At an outlet of a heating, ventilating or air conditioning system air passes from the ducting through a plenum chamber, a damper provided with a set of blades which are movable between open and closed positions and a diffuser which directs the air in a desired direction. The plenum chamber is provided with internal vanes which act to guide a flow of air through the chamber between its inlet and outlet. The damper defines a plurality of predetermined blade positions between the open and closed positions and a resilient finger and teeth for retaining the blades in a selected one of said predetermined positions. The damper has a frame comprising a plurality of discrete frame elements interconnected at each corner joint of the frame by a friction fit pin passing through interdigitated projections on the frame elements.Type: GrantFiled: March 22, 1993Date of Patent: May 2, 1995Assignee: Hunter Technical Developments LimitedInventors: David White, Colin Sawyer, Pater Bartingale
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Patent number: 5338255Abstract: A mounting shoulder (34) attached to an air duct fitting (20) for securing an air duct register (24) over the end of the fitting. The fitting protrudes through an opening (26) in a wall member (22). The mounting shoulder comprises an attachment strip (36), a floor plate (32), and three side walls (40, 42, 44) all formed from a single plate of metal having properly placed cuts and bends. The attachment strip (36) affixes the shoulder to the fitting and is attached to the fitting such that its lower edge (52) is flush with the lower edge of the fitting. The width of the attachment strip is substantially equal to the thickness of the wall member. The floor plate, to which the air duct register may be secured, is attached along one edge to the attachment strip and lies in a plane substantially parallel to the wall member. The three side walls extend in a direction away from wall member from edges of the floor plate.Type: GrantFiled: January 22, 1993Date of Patent: August 16, 1994Assignee: Noll Manufacturing Co.Inventor: Kenneth S. Akehurst
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Patent number: 5297326Abstract: An apparatus and method for converting a fixed-opening air diffuser (21) to an individually-controlled variable air volume diffuser. The fixed-opening diffuser (21) includes a diffuser housing (26) mounted to a support structure (25) and coupled to receive air from a supply conduit (24) positioned behind the support structure (25) and a diffusion assembly (27) mounted across the housing (26) to distribute the air from the housing (26). The method includes the steps of removing the diffusion assembly (27) from a position across the diffuser housing (26) to provide access to the housing, mounting a thermally-powered diffuser actuator assembly (31) having a movable vane (32) coupled to actuator assembly (31) inside the diffuser housing (26) in a position for control of air discharged from the diffuser housing (26) by thermally-driven displacement of the vane (32).Type: GrantFiled: April 26, 1993Date of Patent: March 29, 1994Assignee: Acutherm LimitedInventor: James R. Kline
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Patent number: 5292282Abstract: An air guard assembly used to direct air forced through an overhead air diffuser toward the floor of a building. The assembly has a plurality of elongated linear baffles. Each baffle has a strip of magnetic material that adheres directly to metal ceiling structures to surround and enclose the diffuser within the assembly. A gripping tool having an elongated handle is used to locate the baffle adjacent the metal ceiling surface and remove the baffle therefrom. The baffle has a pair of grooves preventing the gripping tool from slipping off the baffle.Type: GrantFiled: October 13, 1992Date of Patent: March 8, 1994Inventor: Mike T. Callas
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Patent number: 5281187Abstract: A unitary vent and duct assembly for installation within a framed section of a suspended ceiling structure comprises a cowling having a substantially closed top end and a substantially closed bottom end. The bottom end of the cowling is covered with a foraminous grill that allows passage of air into or out of the assembly. The assembly is sized to fit within a framed section of a suspended ceiling structure and has a plurality of spring biased barb bearing clips arrayed about its periphery. A semi-rigid flexible and lengthwise expandable duct is coupled to the top portion of the cowling and communicates with the interior thereof. In use, the vent and duct assembly is pressed into place within a framed section of a suspended ceiling structure, whereupon the peripheral clips engage and fasten to the struts of the ceiling structure to hold the assembly firmly but releasibly in place. The flexible duct can then be pulled away from the cowling and toward a main supply or return duct to which it is to be coupled.Type: GrantFiled: November 9, 1992Date of Patent: January 25, 1994Inventor: Harry R. Whitney, Jr.
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Patent number: 5279090Abstract: In a method of constructing a ceiling frame to support a filter at the ceiling of a clean room, the method is characterized in that a number of divisional frame units are formed, each in a rectangular frame, to frame a filter unit to be installed, that those divisional frame units are positioned one after another at the ceiling of the clean room, that the ceiling frame is formed by connecting, to unify, abutting frame members of the divisional frame units, and that the divisional frame units are hanged at the ceiling with hangers applied at the abutting portions of the divisional frame units.Type: GrantFiled: March 16, 1992Date of Patent: January 18, 1994Assignees: Asahi Kogyosha Co., Ltd., Nippon Donaldson Ltd.Inventors: Shigehisa Yamaguchi, Yoshiaki Kashiwase, Kazutomo Isono, Hiroshi Kagoyama