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| 20120060820 | FILTER UNIT, FILTRATION METHOD AND SYSTEM - A filter unit, system and method for removing grease, oil and other particulates from air, for example, in a kitchen environment. The filter unit includes a housing having an upstream side, an downstream side, and a cavity therebetween, a heat exchanger disposed within the cavity and comprising at least two tubes, at least one entrance aperture disposed on the upstream side of the housing and defined by at least one fin, at least one baffle disposed on the downstream side of the housing so as to be oppositely disposed from the at least one entrance aperture, and at least one exit aperture disposed on the downstream side of the housing adjacent the at least one baffle. The baffle and fin define at least one flow path through the housing and around the tubes. | 03-15-2012 |
| 20140345461 | FILTER UNITS, FILTRATION METHODS, AND FILTRATION SYSTEMS - A filter unit, system and method for removing grease, oil and other particulates from air. The filter unit includes a housing having upstream and downstream walls and a cavity therebetween. The upstream wall has an entrance opening aligned with a downstream wall portion, and the downstream wall has first and second exit openings aligned with first and second upstream wall portions. A heat exchanger is disposed within the cavity and includes first and second upstream conduits within the entrance opening and first and second downstream conduits within the first and second exit opening. The entrance and exit openings are arranged to define S-shaped air flow paths through the housing between the entrance and exit openings, each of which flows around a downstream side of one of the upstream conduits then around an upstream side of one of the downstream conduits before exiting through one of the exit openings. | 11-27-2014 |
| 20160025354 | FILTER UNITS, FILTRATION SYSTEMS, AND METHODS OF USING - Filter units and filtration systems, as well as methods of using such units and systems to remove particulates from air, for example, within a kitchen environment. Such a filter unit includes a heat exchanger within a housing, an access opening at a lateral end of the filter unit that defines a lateral narrowed section of the filter unit. The access opening provides access to headers of the heat exchanger through openings in enclosures that partially enclose ends of the headers. If one or more filter units are combined end-to-end to form a filtration system, a closure can be provided to removably close a through-passage formed by the access openings of two adjacent units. | 01-28-2016 |
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| 20100107615 | REACTANT DELIVERY FOR ENGINE EXHAUST GAS TREATMENT - A reactant delivery system for engine exhaust gas treatment may include a tank in which a reactant is received, a pumping device, a pressure relief device, and a reactant distribution device. The pumping device may have an inlet disposed within the interior of the tank to receive the reactant, and an outlet through which the reactant is discharged. The pressure relief device may have an inlet in fluid communication with the outlet of the pumping device, a primary outlet to discharge the reactant under pressure to a downstream location, and a bypass outlet through which at least some of the reactant discharged from the pumping device is selectively discharged. And the reactant distribution device may be in fluid communication with the bypass outlet of the pressure relief device and have a plurality of outlets to distribute the reactant to at least two different locations within the tank. | 05-06-2010 |
| 20110000297 | FLUID TANK AND FLUID LEVEL SENDER WITH EXTERNAL SIGNALING FEATURE - A fluid level sender may include a sensing feature disposed within an internal volume of a tank, responsive to the level of liquid within the tank and including a drive member, a signaling feature disposed outside of the internal volume of the tank and including a driven member and a dividing wall. The dividing wall may be disposed between and separating the sensing feature from the signaling feature. The drive member provides a force and the driven member is responsive to the force provided from the drive member to enable the signaling feature to provide an indication of the amount of liquid within the tank. | 01-06-2011 |
| 20110002798 | FLUID TANK AND FLUID PUMP WITH EXTERIOR MOTOR - A fluid tank assembly may include a fluid tank having a wall defining an internal volume in which a fluid is received and a fluid pump. The fluid pump may have a motor including an electrically driven motor, a pumping element driven to rotate by the motor, a dividing wall disposed between and separating the motor and the pumping element, and a magnetic coupling between the motor and the pumping element and operative through the dividing wall to couple the motor with the pumping element. The motor may be located outside of the internal volume of the fluid tank and the pumping element may be located inside of the internal volume of the fluid tank. | 01-06-2011 |
| 20130104528 | REACTANT DELIVERY FOR ENGINE EXHAUST GAS TREATMENT | 05-02-2013 |
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| 20080253870 | CRUCIBLE SHUTTLE ASSEMBLY AND METHOD OF OPERATION - A crucible handling shuttle includes a pair of opposed dual crucible-gripping arms mounted on a rotatable head and moves between an induction furnace pedestal and a crucible loading station, such that one pair of arms pick up a crucible loaded with a preweighed sample, the shuttle moves to the induction furnace, where the other pair of arms grip and remove a spent crucible. The shutter head then rotates to deposit the new sample-holding crucible onto the pedestal and subsequently moves out of the furnace area to a sample disposal chute positioned between the crucible loading station and the furnace, whereupon the spent crucible is dropped for disposal. The shuttle head is then rotated and moved to the loading station to pick up a new crucible. | 10-16-2008 |
| 20110075696 | EASILY REMOVABLE COMBUSTION TUBE - A combustion tube mounting system releasably mounts a combustion tube to an aperture in the floor of a furnace housing. The combustion tube has a base assembly with a cam and can be manually or automatically unlocked by cam pins in the floor for selectively engaging the cam for lowering the combustion tube from the floor of the furnace. When a new combustion tube is placed on the lower seal assembly and raised, it automatically aligns and engages the upper furnace seal and engages cams on the floor of the furnace housing which lock the combustion tube in place as it is introduced into the furnace. | 03-31-2011 |
| 20110150609 | CRUCIBLE SHUTTLE ASSEMBLY AND METHOD OF OPERATION - A crucible handling shuttle includes a pair of opposed dual crucible-gripping arms mounted on a rotatable head. The shuttle is removably plugged into a sliding block of a carriage to move between a furnace and a crucible loading station. The carriage includes mechanical, electrical, and pneumatic plugs or sockets which couple to mating sockets or plugs of the shuttle. A linear actuator extends between the carriage and the furnace base to raise and lower the carriage and shuttle coupled thereto. | 06-23-2011 |
| 20120036673 | COMBUSTION FURNACE AUTO CLEANER - An automatic cleaning assembly for an analytical furnace is detachable from the filter chamber above the combustion tube. The cleaning assembly includes a rotating brush which is lowered through the filter chamber and into the combustion tube while a vacuum is drawn through the lower seal of the combustion tube. This results in a higher vacuum pressure differential and improved flow rate for removing dust from the filter of the furnace and the combustion tube. | 02-16-2012 |
| 20120213244 | VACUUM CLEANING STRUCTURE FOR ELECTRODE FURNACE - An electrode for a resistance analytical furnace has a crucible-engaging surface and an end spaced from the crucible-engaging surface having a plurality of grooves formed therein. A manifold mounted on the end of the electrode defines a dust recovery plenum and includes an outlet communicating with the plenum for coupling to a vacuum source to remove debris from the electrode. The improved electrode and electrode cleaning manifold positioned on the electrode provides a turbulent airflow for removal of dust and debris from an analytical furnace. | 08-23-2012 |
| 20120213678 | SAMPLE LOADING CAROUSEL - An improved sample handling carousel is mounted to an analytical furnace at an acute angle and includes sample holding cavities which are readily visible at eye level to an operator. The rotary carousel can be easily removed from a stepwise driven drive shaft for filling the carousel at a remote location, such as a weighing station, or can be filled directly while mounted on the drive shaft. A tray is positioned below the carousel and has a slot for dropping a sample when one of the sample holding cavities aligns with the slot in the tray. In a preferred embodiment of the invention, the carousel is made of aluminum or a transparent polymeric material, such as acrylic. | 08-23-2012 |
| 20120225000 | COMBUSTION TUBE - A combustion tube comprises a generally cylindrical body with an outwardly extending annular tube stop spaced from one end of the combustion tube for engaging a combustion tube mounting assembly and fixing the tube in a precise position. Near the opposite end of the tube is an enlarged opening for receiving an upper seal assembly of a combustion furnace with the outer annular shoulder of the upper end of the tube having a rolled edge to facilitate the insertion of the tube through the seal in the upper seal assembly of the furnace. The combustion tube is made of quartz glass to withstand the temperatures encountered in the furnace. The combustion tube is specifically designed and adapted to be precisely positioned in an induction furnace with an easy tube removal system for the furnace. | 09-06-2012 |
| 20130004277 | CRUCIBLE SHUTTLE ASSEMBLY AND METHOD OF OPERATION - A crucible handling shuttle includes a pair of opposed dual crucible-gripping arms mounted on a rotatable head and moves between an induction furnace pedestal and a crucible loading station, such that one pair of arms pick up a crucible loaded with a preweighed sample, the shuttle moves to the induction furnace, where the other pair of arms grip and remove a spent crucible. The shutter head then rotates to deposit the new sample-holding crucible onto the pedestal and subsequently moves out of the furnace area to a sample disposal chute positioned between the crucible loading station and the furnace, whereupon the spent crucible is dropped for disposal. The shuttle head is then rotated and moved to the loading station to pick up a new crucible. | 01-03-2013 |
| 20130334198 | RESISTANCE ANALYTICAL FURNACE - A resistance furnace provides an improved upper and lower electrode construction with significantly increased coolant flow. The lower electrode has a tip design that significantly lowers the electrode tip temperature during an analysis. The upper and lower electrodes also cooperate with an improved crucible design to significantly reduce the power required to fuse a specimen contained in the crucible. The furnace uniformly heats the floor and lower side walls of a crucible, which lowers the power requirement for specimen fusion and provides higher structural benefits to provide consistent analysis and manufacturing yields. The crucible has a cylindrical body and pedestal base with an annular smoothly curved concave indentation therebetween. | 12-19-2013 |
| 20130337396 | CRUCIBLE - A graphite crucible has a cylindrical body with an upper opening for receiving a sample for analysis and a disk-shaped pedestal base. The pedestal base includes a bottom surface with a centrally formed circular indentation. An inwardly projecting concave arcuate annular indentation extends between the body and pedestal base with a smoothly curved radius of curvature. The upper and lower walls of the arcuate indentation diverge outwardly at an angle of from about 56 to about 60°. The pedestal base includes a bottom surface with a centrally formed circular indentation. | 12-19-2013 |
| 20150023383 | CYLINDRICAL COMBUSTION TUBE AND MOUNTING ASSEMBLY - A combustion tube mounting system releasably mounts a combustion tube to an aperture in the floor of a furnace housing. The combustion tube has a base assembly with a cam and can be manually or automatically unlocked by cam pins in the floor for selectively engaging the cam for lowering the combustion tube from the floor of the furnace. When a new combustion tube is placed on the lower seal assembly and raised, it automatically aligns and engages the upper furnace seal and engages cams on the floor of the furnace housing which lock the combustion tube in place as it is introduced into the furnace. | 01-22-2015 |
| 20150036713 | COMBUSTION TUBE AND SEAL ASSEMBLY - A combustion tube mounting system releasably mounts a combustion tube to an aperture in the floor of a furnace housing. The combustion tube has a base assembly with a cam and can be manually or automatically unlocked by cam pins in the floor for selectively engaging the cam for lowering the combustion tube from the floor of the furnace. When a new combustion tube is placed on the lower seal assembly and raised, it automatically aligns and engages the upper furnace seal and engages cams on the floor of the furnace housing which lock the combustion tube in place as it is introduced into the furnace. | 02-05-2015 |
| 20150036714 | FURNACE COMBUSTION TUBE AND MOUNTING ASSEMBLY - A combustion tube mounting system releasably mounts a combustion tube to an aperture in the floor of a furnace housing. The combustion tube has a base assembly with a cam and can be manually or automatically unlocked by cam pins in the floor for selectively engaging the cam for lowering the combustion tube from the floor of the furnace. When a new combustion tube is placed on the lower seal assembly and raised, it automatically aligns and engages the upper furnace seal and engages cams on the floor of the furnace housing which lock the combustion tube in place as it is introduced into the furnace. | 02-05-2015 |
| 20150226714 | ELECTRODE FOR RESISTANCE FURNACE - An electrode for a resistance analytical furnace has a central opening including a crucible-engaging surface and an annular flange spaced from the crucible-engaging surface. The flange has a lower surface with a plurality of grooves formed therein. The grooves are curved and extend from the central opening of the edge of the flange. | 08-13-2015 |
| 20150268181 | COMBUSTION TUBE - A combustion tube comprises a generally cylindrical body with an outwardly extending tube stop spaced from one end of the combustion tube for engaging a combustion tube mounting assembly and fixing the tube in a precise position. Near the opposite end of the tube is an enlarged opening for receiving an upper seal assembly of a combustion furnace with the outer annular shoulder of the upper end of the tube having a rolled edge to facilitate the insertion of the tube through the seal in the upper seal assembly of the furnace. The combustion tube is made of quartz glass to withstand the temperatures encountered in the furnace. The combustion tube is specifically designed and adapted to be precisely positioned in an induction furnace with an easy tube removal system for the furnace. | 09-24-2015 |
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| 20100001835 | Customer Paging and Communications System - A customer paging and communications system comprising a base unit and a plurality of pagers. The base unit may include an input interface and a base unit processor that's configured to receive pager identifiers and then generate alert signals associated with the respective pager identifiers. The base unit may also include a base unit transmitter that transmits the pager identifiers, an informational message, and an alert signal to the pagers. Each of the pagers may be identified with a corresponding one of the pager identifiers and may comprise a pager receiver and pager processor configured to receive the corresponding pager identifier, an informational message, and an alert signal from the base unit. Each pager processor may be configured to generate an alert if a received alert signal is associated with the pager identifier associated with that particular pager. Each pager may also include a display that may be configured to display the informational message received from the base unit. The base unit may be further configured to stream information to the plurality of pagers and each pager may be further configured to display the streamed information. | 01-07-2010 |
| 20100324441 | Brain-Related Chronic Pain Disorder Treatment Method and Apparatus - A method for treating brain-related chronic pain disorders in human subjects includes assessing the brain function of a subject suffering from chronic pain, diagnosing a chronic pain-related abnormal brain condition, and mitigating the abnormal brain activity by applying an electrical stimulation signal to tissues corresponding to at least one area of abnormal brain activity. | 12-23-2010 |
| 20110196693 | Apparatus and method for remote assessment and therapy management in medical devices via interface systems - A remote medical assessment and therapy management apparatus comprising a center user interface, a center computer coupleable with the center user interface. The center computer displays information via the center user interface for use in developing a therapeutic prescription and receives therapeutic control inputs from a user. A remote device includes a medical diagnostic instrument for acquiring biophysical data from a patient, a medical therapeutic instrument that provides a therapy to the patient, and a remote computer that receives diagnostic signals from the diagnostic instrument and transmits therapeutic control signals to the therapeutic instrument. A network interface is connected between the first center computer and the remote computer and transmits diagnostic signals from the remote computer to the center computer and control signals from the center computer to the therapeutic instrument via the remote computer. | 08-11-2011 |
| 20130304153 | Brain-Related Chronic Pain Disorder Treatment Method and Apparatus - A method for treating brain-related chronic pain disorders in human subjects includes assessing the brain function of a subject suffering from chronic pain, diagnosing a chronic pain-related abnormal brain condition, and mitigating the abnormal brain activity by applying an electrical stimulation signal to tissues corresponding to at least one area of abnormal brain activity. | 11-14-2013 |
