Abstract:
A dual fuel heating system can be used in a gas appliance. The system can have an air shutter to regulate an amount of air that can mix with the fuel for combustion. The air shutter can be configured to have different positions depending on the type of fuel to be used.
Abstract:
A heating apparatus can have a sealed combustion chamber. A burner and an air shutter can be within the sealed combustion chamber. An air shutter control can be outside of the sealed combustion chamber. The air shutter control can provide fine tuning adjustment of the air shutter.
Abstract:
In certain embodiments, an apparatus can comprise a dual fuel pilot assembly. The pilot assembly can comprise a first fuel dispenser, a second fuel dispenser, an igniter and at least one of a thermocouple, and a thermopile. The pilot assembly can be configured to direct heat from combustion of one of either a first fuel or a second fuel to the at least one of the thermocouple and the thermopile.
Abstract:
An apparatus can have and combine certain aspects of a stove, a water heater and an exhaust system. The apparatus may further have and combine certain aspects of additional appliances such as a dishwasher, a gas oven, an electric oven, a disinfection cabinet and a cabinet. The apparatus can advantageously use one exhaust vent and one gas hook up while performing multiple functions.
Abstract:
In certain embodiments, a valve assembly includes a housing. The housing can define a first fuel intake, a first fuel output, and a second fuel output. The assembly can include a valve member configured to direct fuel from the first fuel intake to either the first fuel output or the second fuel output. The assembly can further include a nozzle having a first portion and a second portion. The first portion of the nozzle can be in communication with the first fuel output, and the second portion of the nozzle can be in communication with the second fuel output. The assembly can include a compartment in communication with the nozzle, and can include one or more air intakes.
Abstract:
In certain embodiments, a valve assembly includes a housing. The housing can define a first fuel input and a second fuel input. The housing can further define a first flow path, a second flow path, a third flow path, and a fourth flow path. The assembly can include a fluid flow controller configured to selectively permit fluid communication between the first fuel input and either the first flow path or the second flow path, and configured to selectively permit fluid communication between the second fuel input and either the third flow path or the fourth flow path. The assembly can further include a first nozzle member defining an inlet and an outlet. The inlet of the first nozzle member can be in fluid communication with the first flow path. The assembly can further include a second nozzle member defining an inlet and an outlet. The inlet of the second nozzle member can be in fluid communication with the second flow path.
Abstract:
The present invention provides novel osmium-based electrochemical species for the detection of wide variety of analytes using immunological techniques. The present invention also provides diagnostic kits and test sensors supporting electrode structures that can be used with the osmium-based electrochemical species. The test sensor can be fabricated to support interdigitated arrays of electrodes that have been designed to provide amplification of the electrical signal amplification desired to analyze analytes that may be present at low concentrations.
Abstract:
Various embodiments of the present invention are directed to a system and methods for minimizing risk factors that contribute to the development of vascular graft disease and vascular graft failure. In one embodiment, a microarray-based gene expression analysis may be employed to select pre-implanted vessel candidates suitable as grafts in various vascular transplantation procedures. By using a microarray that includes a set of probe sequences that statistically correlate with vascular graft disease, mRNA expression levels of vascular-graft-disease-related genes within vessel-graft candidates can be determined to produce an expression profile for each vessel tested. Such molecular profile of genes related to various forms of vascular graft disease enables clinicians to select a vessel graft having the lowest probability of developing vascular graft diseases, and having the highest probability of maintaining adequate patency rate. Various types of arteries and veins may be discriminated from one another based on their respective gene expression profiles.
Abstract:
A plastic shell heater utilizing multiple deflectors and vents at the top of interior of a portable heater to direct the heat away from the surface of the heater. This dramatically lowers the temperature of the external surfaces of the heater and allows the use of plastic as the material for the shell of the heater and also allows the use of heat sensitive electronic control panel for the heater.
Abstract:
An apparatus for use with an automobile having a windshield includes a screen member and an actuator mechanism. The screen member is sized to substantially cover the windshield and to be stored within a housing defined by the automobile.