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Patent No. 5926874

Automatic Bed Maker


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Class 137/101.19 - With electrical controller

Subclass of Class 137 - Fluid handling
Definition: Subject matter comprising an electrical controller responsive
No. of patents: 84
Last issue date: 07/30/2013

NumberTitleIssue Date
The invention supplies a quantity Q of gas while dividing at flow rate ratio Q1/Q2 from a gas supply facility equipped with a flow controller. A total quantity Q=Q1+Q2 of gas is supplied into a chamber at flow rate Q1 and Q2...
7369230Apparatus and method for measuring particulate flow rate
An apparatus for measuring the rate of flow of a volume of particulate material comprising a transparent tube of known cross-sectional area, means for supplying a flow of particulate material through the transparent tube, and an optical signal sensor for receiving a...
7335181Nitric oxide decontamination of the upper respiratory tract
A method of topically treating the respiratory tract of a mammal with nitric oxide exposure includes the steps of providing a source of nitric oxide containing gas and delivering the nitric oxide containing gas nasally to the upper respiratory tract of the mammal. A...
7317402Alarm in a device for dispensing volatile anesthetics
An alarm is associated with a device for dispensing volatile anesthetics. The alarm and device is designed such that an alarm is triggered whenever the operating voltage is interrupted and an assembly unit that determines the dispensing of at least one anesthetic is...
7287540Method for introducing drag reducers into hydrocarbon transportation systems
Disclosed is a method of reducing drag in a fluid stream. The method includes admixing the components of a drag reducer to form an incipient drag reducer and injecting the incipient drag reducer into the fluid stream wherein the drag reducer components are admixed a...
7269999Thermal airflow meter
A thermal airflow meter excellent in flow-rate measurement accuracy is provided. The airflow meter has a flow-rate measuring element comprising a heat resistor and a temperature-compensating resistor which are formed on the a first base member. A second base member ...
7264327Pressure regulation by transfer of a calibrated gas volume
Pressure regulation in a liquid reservoir such as an ink of a jet printing head, is obtained by transferring a calibrated gas volume through an auxiliary reservoir, said regulation is being applied to installations manufacturing intelligent portable objects and more...
7224285Gas monitor using electrochemical cell and method of operating
A method and apparatus for gas detection uses a sensor such as an electrochemical (EC) cell and includes a feedback control loop to control a pump to establish a first predetermined gas flow rate to the EC cell. The concentration of the gas at the first predetermine...
7178410Clogging detector for air filter
The detector for monitoring decrease in air flow rate due to air filter clogging. It is based on combination of three essential components: the air flow sensor, a threshold detector and an indicator. The air flow sensor is built in form of a novel thermo-anemometer ...
7156115Method and apparatus for flow control
A flow control system (10) is provided in which a flow control valve (12) is controlled by a control system (14). The control system (14) measures a flow rate or temperature of a fluid flowing through the flow control valve (12) an...
7100603System for providing protection from reactive oxygen species
Method, apparatus and breathable compositions for protecting a person from reactive oxygen species in the body are described. The invention involves providing a person with a breathing gas composition comprising at least one fuel gas compound. Apparatus and methods ...
7007707Mass flow ratio system and method
6955535Array for an automatic firing device for a gas or oil burner
Automatic operation of a blower burner (5) suitable for liquid and/or gaseous fuels for the generation of heat energy in a furnace (1) is monitored by an automatic regulating device (35). The automatic regulating device (35) comprises an ...
6912870Refrigerator and ice maker methods and apparatus
A refrigerator includes a fresh food compartment, a freezer compartment separated from the fresh food compartment by a mullion, a water dispenser coupled to at least one of the fresh food compartment and the freezer compartment, a user interface coupled to at least ...
6857443Electronic gas blender and gas flow control mechanism therefor
A gas flow control mechanism for a gas blender comprising: a voltage sensitive orifice defining a passage for each gas to be controlled and having an inlet port in fluid communication with a gas source and an outlet port in fluid communication with a plenum for mixi...
6662817Gas-line system for semiconductor-manufacturing apparatus
A gas-line system used for a semiconductor-manufacturing apparatus with at least two reactors, includes at least one gas source; a flow-divider means including an input port on the primary side, which receives a source gas from the gas source, and an outp...
6662818Programmable tracking pressure regulator for control of higher pressures in microfluidic circuits
Regulator for precision control of pressure based on a means of measuring pressure differentials. More specifically, the present invention provides a pressure control that tracks a relatively high background pressure, and applies a positive or negative of...
6591850Method and apparatus for fluid flow control
The invention provides a method and apparatus to control fluids such as process gases into two or more substrate process chambers. In one aspect, the gas flow from a first supply to a first processing region is used to control the gas flow of a second sup...
6571817Pressure proving gas valve
A pressure proving gas valve insures safe and efficient operation of a fuel-burning appliance by monitoring combustion air pressure and appropriately controlling the valve based upon this air pressure. An air pressure sensor is incorporated into a pressur...
6543469System for continuously manufacturing a composite preform
A system for mixing and dispensing a structural foam formed from two or more component foam parts mixed together in a predetermined mass ratio. At least a first one of said component parts is pre-mixed with a blowing agent and maintained under pressure. T...
6418954System and method for dividing flow
A system for dividing a single flow of gas into two or more secondary flows of known, precise values, without requiring a high upstream pressure. The system includes an inlet for receiving the single gas flow, and first and second flow lines connected to ...
6253779Blending system and method using an auxiliary measuring device
A system for blending two-blend components to form a blended final product including a first supply line for supplying a first blend component at a first flow rate and a second supply line for supplying a second blend component at a second flow rate. The ...
6227227Single meter blending fuel dispensing system
A single meter blending fuel dispensing system utilizing a pair of proportional flow control valves each having a pressure transducer positioned aft of the valve flow control mechanism. A computer controller is used to program a desired fuel mixture by va...
6148839Apparatus and method for injecting liquid additives into agricultural and industrial water supplies
An apparatus and method for injecting a liquid product or chemical into a main water supply line used for agricultural or industrial purposes. A pressure regulating bypass valve has an inlet side connected to an outlet line of a multi-ganged, diaphragm pu...
6142162System and method for odorizing natural gas
A method for odorizing natural gas in the pipeline utilizes bypass piping in conjunction with a liquid odorant storage tank. The bypass line causes a precisely known volume of bypass gas, saturated with odorant, to enter the gas line at regular intervals ...
6129106Proportioning valve and control means therefor
The proportioning valve apparatus includes a cylindrical valve body having a first inlet for receipt of a first fluid, a second inlet for receipt of a second fluid, a mixing chamber and an outlet for releasing a mixture of the two respective inputs. A rot...
6116259Method and apparatus for measuring and adjustably controlling vapor-liquid mixing ratio at pipe junctions
Methods and apparatus are disclosed for adjusting, measuring and controlling the vapor/liquid ratio of wet steam in the output line of a pipe junction in a two phase fluid flow line. The vapor phase and liquid phase of the two phase fluid are separated in...
6098646Dispensing system with multi-port valve for distributing use dilution to a plurality of utilization points and position sensor for use thereon
A dispensing system for dispensing chemical products to a plurality of utilization points utilizes a multi-port valve to selectively deliver use dilutions from a mixing apparatus to selected utilization points. The multi-port valve utilizes a position sen...
6006775Fuel dispensing system using a common meter and octane sensing
A system and method for dispensing a fuel derived from one or more fuels having different octane ratings respectively stored in a plurality of storage tanks. The fuels are passed from their respective tanks to a mixing zone for mixing to form a blended fu...
5887611Gas blender
A gas blender comprising a plenum for mixing gases, at least one flow valve, an oxygen sensor, a microprocessor, and driver circuits. The inlet gas port is adapted to be in fluid communication with a supply of a desired gas and the flow valve is disposed ...
5746238Liquid chemical dilution and dosing system
This invention relates to an apparatus and method for diluting a chemical concentrate. More particularly, dilution control is achieved by monitoring two flow meters, comparing the flow rate information, and adjusting the diluent flow to achieve a predeter...
5722449Arrangement in connection with a gas mixer
An arrangement in connection with a gas mixer, which is arranged to form a mixed gas of oxygen and another gas to be mixed with it. To provide a simple and reliable arrangement, before the mixed gas is formed the oxygen is arranged to be supplied through ...
5647391Sensing arrangement for sensing the addition of reactants to a solution
A sensing arrangement for sensing the addition of reactants to a solution within a tank which includes a first inlet, a second inlet, and a reactant supply controller for controlling the addition of reactants into the tank through the first and second inl...
5641006Liquid supply apparatus and method of operation
A liquid supply module includes one or more sets of bulk liquid containers each supplying a respective reservoir via a liquid supply line. The bulk liquid containers and reservoirs are vented above the highest liquid level in the system. A pump periodical...
5609180Liquid alkali system for fiber reactive dyeing
Liquid caustic compositions for use in reactive dyeing, having total and alkaline activities approximating the total and alkaline activities of a predetermined liquid caustic composition are prepared by providing a source of water; providing a container o...
5537914Beverage blending and proportioning
An apparatus is provided for improving quality and increasing syrup yield within a beverage blending system. The apparatus and the associated method are adaptable to existing proportioning and blending systems or the appropriate control and measurement eq...
5481968Apparatus for continuous multiple stream density or ratio control
A multiplicity of variable density fluid streams, each having been processed to yield individual fluid streams of desired densities, are combined in a manner to achieve controlled ratios of each stream as determined by a recipe structure to produce a fina...
5479957Sludge pipeline lubrication system
A system for lubricating a plug flow of high viscosity material in a pipeline is disclosed. The system includes first and second pipes through which the plug flow of high viscosity material is pumped. The first pipe has a flange which is positioned adjace...
5476115Automatic gas blending system
A tracer gas and a carrier gas, such as helium and nitrogen, are blended using flow restrictive orifices in the flow lines for each gas. A process controller is used for automatic adjustment of a control valve in the tracer gas flow line in response to va...
5464283Method and apparatus for forming and dispensing coating material containing multiple components
A method and apparatus for combining multiple components to form a coating material formulation in which one of the components is a resin, another component is a supercritical fluid employed as a fluid diluent, and, preferably, the third component is a ca...
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