Patent application number | Description | Published |
20080283624 | MULTIPLE NOZZLE DIFFERENTIAL FLUID DELIVERY HEAD - A multiple nozzle differential fluid delivery head is disclosed. The fluid delivery head includes a body that defines a fluid chamber having a longitudinal axis. The body includes an inlet for connection to a fluid source, and the inlet is in fluid communication with the fluid chamber. The fluid delivery head includes a plurality of outlet ports connected to and extending away from the body. Each outlet port has an interior space in fluid communication with the fluid chamber. The fluid delivery head includes a nozzle insert removably secured in an outer end of each outlet port. At least one nozzle insert has a fluid delivery aperture in fluid communication with the interior space of its associated outlet port for delivering fluid out of the interior space of its associated outlet port. One or more of the outlet ports is angled away from a plane normal to the axis of the fluid delivery head. | 11-20-2008 |
20090020621 | AEROSOL DISPENSER ASSEMBLY HAVEING VOC-FREE PROPELLANT AND DISPENSING MECHANISM THEREFOR - An aerosol dispenser assembly is disclosed that includes a container holding a liquid product and a compressed gas propellant for propelling the liquid product from the container. A design methodology for the actuator body and swirl nozzle insert is disclosed for maintaining a small particle size or Sauter Mean Diameter (D[3, 2]) of less than 48 μm at a suitable spray rate (1.5-2 g/s), while utilizing a compressed gas VOC-free propellant for an air freshener product. As obtaining reduced particle size to compete with LPG propellants may result in a reduced spray rate, it is anticipated that one or more nozzles may be designed into the actuator body to maintain a suitable spray rate. | 01-22-2009 |
20090078793 | Fluid Dispensing Nozzle - A nozzle is provided for dispensing a liquid from a container in a desirable, nearly rectangular spray pattern. The nozzle includes an actuator having an inlet end adapted to receive liquid from the container and an outlet end, the actuator outlet end defining an outlet chamber. An insert is coupled to the actuator outlet end and defines an insert passage in fluid communication with the outlet chamber. The insert includes at least a first convex shoulder disposed downstream of the outlet chamber, and a nozzle outlet disposed downstream of the first convex shoulder. The convex shoulder may have a radius of curvature and side walls may be provided at an angle of convergence. The radius of curvature and the angle of convergence may be provided within certain ranges to obtain the desired spray pattern at the desired flow rate using typical aerosol can pressures. | 03-26-2009 |
20100064895 | Dust Prevention And Removal Device - A device is provided that is capable of circulating air throughout a personal space as well as collecting and preventing the build up of dust and other particulate matter by drawing in air from the surrounding environment and removing some dust, allergens and other such particulate matter therefrom. The filtered air is then expelled out of the device and back into the surrounding environment. The device includes a housing defining an interior space having a motor and fan assembly disposed therein. The housing includes an inlet with a filter provided therein such that air drawn in through the inlet is filtered. The air is then expelled through a circumferentially disposed outlet. The filter element preferably includes a lock and key system configured to prevent operation of the device in the absence of a properly keyed filter. | 03-18-2010 |
20110038761 | Wearable Chemical Dispenser - Wearable devices for dispensing insect repellents, fragrances, and/or other chemicals along the outside of the clothing of a human are disclosed. They are of the type that are clipped onto a belt or the like, and use a powered fan to dispense active. They are configured with fan rotor arrangements to minimize power use while still achieving acceptable air flow rates. These changes permit use of smaller batteries and more compact arrangements for battery positioning. This in turn permits a much more compact and lightweight construction to achieve the desired results. The devices are also provided with a rotatable clip structure to render use of the device more comfortable when the user is seated and to provide greater control over the direction of the dispensing. Further, they are provided with modified lids to facilitate active refill replacement. | 02-17-2011 |
20110049259 | Method and Apparatus for Dispensing a Fragrance - A method of dispensing a volatile active into the surrounding environment includes the steps of providing a fragrance dispenser having a housing, a fan disposed within the housing and having a airflow director, first and second chambers disposed within the housing, and first and second fragrances disposed in the first and second chambers. The first and second chambers include first and second shutters covering first and second outlets, and first and second heaters, respectively. The method further includes the steps of activating the first heater to volatilize the first fragrance for a first time period, simultaneously activating the fan and the opening the first shutter to dispense the volatilized first fragrance from the first chamber into the surrounding atmosphere, activating the second heater to volatilize the second fragrance for a second period of time, and simultaneously activating the fan and opening the second shutter to dispense the volatilized second fragrance from the second chamber into the surrounding atmosphere. | 03-03-2011 |
20120024975 | SYSTEM FOR AND METHOD OF CONSISTENTLY EMITTING A VOLATILE MATERIAL - A system for consistently emitting a volatile material includes a volatile material dispenser having a diffusion element. The system further includes a refill adapted for disposal within the volatile material dispenser and including a container having a volatile material disposed therein and a wick having a first end disposed in contact with the volatile material in the container and a second end extending out of the container. A time constant for (Parameter 4) for the system is less than or equal to about 1.0 hour when estimated using the equation: Predicted mass change=Parameter4+(Parameter3*T)+(Parameter2*exp(−T/Parameter1)). | 02-02-2012 |
20120273978 | Centrifugal Fan Device - An apparatus for delivering a compound includes a reservoir containing a compound to be delivered to the environment of use. The compound includes fragrances and insecticides. A compound permeable substrate includes a wick which extends from the substrate into the reservoir. A centrifugal fan is operatively associated with the compound permeable substrate to force air over the substrate when the fan is operational. A cover is disposed over the centrifugal fan in which the cover has at least one aperture on a top surface and provides for a side air passage from the centrifugal fan to the environment. | 11-01-2012 |
20120275932 | Centrifugal Fan Device - A dispensing device includes a housing, a fan, and an annular reservoir. A compound is disposed within the reservoir. The dispensing device further includes a permeable substrate in communication with the annular reservoir for releasing the compound in a first passive state. The compound is released from the permeable substrate according to a uniform diffusion profile. Rotation of the fan causes air to pass over the permeable substrate to release the compound in a second active state. | 11-01-2012 |
20130008540 | INSERT FOR DISPENSING A COMPRESSED GAS PRODUCT, SYSTEM WITH SUCH AN INSERT, AND METHOD OF DISPENSING A COMPRESSED GAS PRODUCT - An insert, a system, and a method are provided for dispensing a compressed gas product. The insert includes a swirl chamber, inlet ports to the swirl chamber, and an outlet orifice. The insert has specifically configured parameters relating to the diameter of the swirl chamber, the diameter of the outlet orifice, the length of the outlet orifice, and the depth of the swirl chamber. The insert, system, and method can provide a dispensed compressed gas product with a remarkably constant flow rate and with a remarkably constant particle size. | 01-10-2013 |
20130008982 | INSERT FOR DISPENSING A COMPRESSED GAS PRODUCT, SYSTEM WITH SUCH AN INSERT, AND METHOD OF DISPENSING A COMPRESSED GAS PRODUCT - An insert, a system, and a method are provided for dispensing a compressed gas product. The insert includes a swirl chamber, inlet ports to the swirl chamber, and an outlet orifice. The insert has specifically configured parameters relating to the diameter of the swirl chamber, the diameter of the outlet orifice, the length of the outlet orifice, and the depth of the swirl chamber. The insert, system, and method can provide a dispensed compressed gas product with a remarkably constant flow rate and with a remarkably constant particle size. | 01-10-2013 |
20130292003 | Multiple Nozzle Differential Fluid Delivery Head - A multiple nozzle differential fluid delivery head is disclosed. The fluid delivery head includes a body that defines a fluid chamber having a longitudinal axis. The body includes an inlet for connection to a fluid source, and the inlet is in fluid communication with the fluid chamber. The fluid delivery head includes a plurality of outlet ports connected to and extending away from the body. Each outlet port has an interior space in fluid communication with the fluid chamber. The fluid delivery head includes a nozzle insert removably secured in an outer end of each outlet port. At least one nozzle insert has a fluid delivery aperture in fluid communication with the interior space of its associated outlet port for delivering fluid out of the interior space of its associated outlet port. One or more of the outlet ports is angled away from a plane normal to the axis of the fluid delivery head. | 11-07-2013 |
20130328223 | Fan-Based Volatile Material Dispensing System - A volatile material dispensing system includes a housing and a refill unit. The refill unit includes a volatile material and a wicking surface. A fan is disposed within the housing. During an active state the fan draws ambient air into the housing and over the wicking surface, which is angled between about 20 degrees to about 75 degrees relative to a central axis of the housing. Further, during the active state the drawn air is expelled from the housing through channels of the fan at an angle of between about 20 degrees to about 75 degrees relative to the central axis of the housing. | 12-12-2013 |
20140370450 | Candle Dispenser - Devices dispenser treatment chemicals in response to heat generated by a candle. Heat transfer elements carry flame heat to an impregnated substrate that is positioned mostly or entirely below the candle. The air treatment chemical vapors are kept away from prolonged direct exposure to flame heat, thereby reducing heat degradation of the active. The candle automatically adjusts heat transfer rates to correct for decreasing amounts of active on the substrate as the substrate sears being used up. | 12-18-2014 |
20150075445 | Portable Area Repellent Device - A device for dispensing an air treatment chemical includes a housing having an inlet for permitting air to enter into an interior space of the housing and an outlet for permitting air mixed with an air treatment chemical to exit the interior space of the housing. A substrate positioned within the housing bears an air treatment chemical. A power supply mounted within the housing powers a motor within the housing. The motor is connected to a fan mounted within the housing. The fan moves air from the inlet adjacent to the substrate to mix the air treatment chemical into the moving air and deliver the mixture of air and air treatment chemical through the outlet to the outside of the housing. | 03-19-2015 |
20150078921 | AIR TREATMENT CHEMICAL DISPENSER HAVING ANGLED DISPERSION OF CHEMICALS - A device for dispensing an air treatment chemical includes a housing having an inlet for permitting air to enter into an interior space of the housing and an outlet for permitting air mixed with air treatment chemical to exit the interior space of the housing. A substrate positioned within the housing bears the air treatment chemical. A power supply mounted within the housing powers a motor mounted within the housing. The motor is connected to an impeller mounted within the housing. The impeller moves air from the inlet adjacent the substrate to mix the air treatment chemical into the moving air and deliver the mixture of air and air treatment chemical through the outlet to outside of the housing. The housing includes a transitional body defining a convergent-divergent channel for compressing the mixture at the converging section and expanding the mixture at the diverging section. | 03-19-2015 |