Class 73/335.08 - Wet bulb detail

Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein significance is attributed to the
No. of patents: 34
Last issue date: 04/29/2008

Number	Title	Issue Date
7363813	Temperature and moisture probe A probe for measuring the temperature and moisture of a gas has an aspirated flow passage with a configuration that causes the gas to have turbulent flow and, therefore, to mix. A dry bulb thermometer and a wet bulb thermometer positioned in the flow passage downstr...	04/29/2008
7325555	Rinsing device for a sensor probe A rinsing device for a sensor has a cylinderlike rinsing chamber which has an anterior chamber part connectable to a measuring fluid container and which is configured to receive an immersion tube that contains a sensor and is coaxial with as well as movable along th...	02/05/2008
7275417	Fueling system vapor recovery and containment performance monitor and method of operation thereof A method and apparatus for monitoring and determining fuel vapor recovery performance is disclosed. The dispensing of liquid fuel into a tank by a conventional gas pump nozzle naturally displaces a mixture of air and fuel ullage vapor in the tank. These displaced va...	10/02/2007
7144931	Method of manufacturing polymer particles A method of manufacturing polymer particles capable of increasing the easiness of handling of powder when the powder is collected and preventing the powder from adhering to the wall surface of a dryer and the outlet of the dryer from being clogged with the powder by...	12/05/2006
7090393	Using thermal imaging to prevent loss of steam turbine efficiency by detecting and correcting inadequate insulation at turbine startup The invention involves the use of thermal imaging equipment to take infrared images of a steam turbine during start-up. The exterior temperatures developed from the infrared images are correlated with turbine vibration data to determine which insulation temperature ...	08/15/2006
6979361	End of service life indicator for fluid filter An end of service life indicator (ESLI) device for a fluid filter is included on the filter and visually indicates when the life of the filter has expired. The ESLI indicates the depletion of the filter by changing the color density on a surface of the device to a c...	12/27/2005
6977575	Flexible averaging resistance temperature detector A temperature sensor. The sensor comprises a wire comprising a resistance temperature detector (RTD) sensing material wrapped around a flexible insulated metal core wire to form an assembly. A first end of the sensing wire is electrically connected to a first end of...	12/20/2005
6968868	Fueling system vapor recovery and containment performance monitor and method of operation thereof A method and apparatus for monitoring and determining fuel vapor recovery performance. The dispensing of liquid fuel into a tank by a gas pump nozzle displaces a mixture of air and fuel ullage vapor in the tank. These displaced vapors may be recovered at the dispens...	11/29/2005
6964283	Fueling system vapor recovery and containment performance monitor and method of operation thereof A method and apparatus for monitoring and determining fuel vapor recovery performance is disclosed. The dispensing of liquid fuel into a tank by a conventional gas pump nozzle naturally displaces a mixture of air and fuel ullage vapor in the tank. These displaced va...	11/15/2005
6955650	Metabolic calorimeter employing respiratory gas analysis An indirect calorimeter for measuring the metabolic rate of a subject includes a respiratory connector configured to be supported in contact with the subject so as to pass inhaled and exhaled gases as the subject breathes, a flow pathway, and a hygiene barrier posit...	10/18/2005
6939904	Method of manufacturing polymer particles A method of manufacturing polymer particles capable of increasing the easiness of handling of powder when the powder is collected and preventing the powder from adhering to the wall surface of a dryer and the outlet of the dryer from being clogged with the powder by...	09/06/2005
6901786	Fueling system vapor recovery and containment leak detection system and method A method and apparatus for monitoring a fuel vapor recovery system to determine if a leak condition exists in either the vapor return passage in a fuel dispenser or a common vapor return pipe. An air-flow sensor (AFS) may be located in the common vapor return pipe f...	06/07/2005
6038922	Thermometric apparatus and method for determining the concentration of a vapor in a gas stream A sensor for sensing the concentration of a vapor of a volatile liquid in a gas is disclosed. The sensor has a dry-transducer temperature sensor and a wet-transducer temperature sensor. The wet transducer-temperature sensor is covered by a non-woven, non-...	03/21/2000
6014890	Fast response humidity and temperature sensor device An airway humidity sensor incorporating a small, dry thermocouple and small, wet thermocouple to measure cyclical humidity in inspiration and expiration by the psychrometric principle, the psychrometric component incorporating dialysis micro-tubing in con...	01/18/2000
5853246	Wet-bulb thermometer A wet bulb thermometer. A temperature sensor which can function in a moist environment is placed in such a location that it will be within the mist of water produced by a nozzle when pressurized water is supplied to the nozzle. Preferably, the temperature...	12/29/1998
5581015	Devices and methods for measuring temperature and vapor levels in a gas Devices relating to a psychrometer employing an infrared thermocouple aimed at a wet surface, and another infrared thermocouple aimed at a dry surface, are described. The wet surface is continuously supplied with liquid, for example, H2 O. The ...	12/03/1996
5460041	Apparatus and method for continuous measurement of the wet bulb temperature of a flue gas stream In a flue gas scrubber for removing sulfur dioxide from flue gas and having a spray dryer vessel inlet duct defined by a duct wall, the apparatus may be used to measure in situ the wet bulb temperature of the flue gas in the dryer vessel inlet duct. A wat...	10/24/1995
5301551	Wet bulb wicks for corrosive atmospheres Disclosed is a wick for a wet bulb, wherein the bulb is elongated with a free end and a supported end. An absorbent fabric has a portion configured as a folded over sleeve to at least partially closely surround the bulb. The sleeve has two ends, one of wh...	04/12/1994
5016472	Dusty environment wet bulb indicator An apparatus and method for measuring the wet and dry bulb temperatures of a hot flue gas stream containing fly ash and particulates by providing a sample sheath (12) in a gas duct (10) with a dry bulb sensor (16) and a wet bulb sensor (18) located within...	05/21/1991
4890479	System and method for monitoring wet bulb temperature in a flue gas stream System and method for continuously monitoring the wet bulb temperature in a flue gas stream, for example, at the inlet of a spray dryer. A sample of the flue gas is maintained at substantially the same moisture content and temperature as the gas in the fl...	01/02/1990
4872340	Psychrometer A psychrometer having transducers producing two electrical signals respectively representing dry bulb temperature and wet bulb temperature, and an electrical circuit operating to derive a signal representing relative humidity in accordance with the formul...	10/10/1989
4809537	System and method for monitoring wet bulb temperature in a flue gas stream System and method for continuously monitoring the wet bulb temperature in a flue gas stream, for example, at the inlet of a spray dryer. A sample of the flue gas is filtered and reheated to substantially the same temperature as the gas in the flue. The te...	03/07/1989
4763522	Radiation detector psychrometer A hand held testing surface and scale card may be used in conjunction with a radiation detector to obtain an indication of relative humidity. The scale card is provided with two sections. One section is of absorbent relatively thin material; the second se...	08/16/1988
4625550	Method and apparatus for the continuous psychrometric measurement of the concentration of a vaporous component in a gas For the continuous psychometric measurement of the concentration of a vaporous component in a gas, i.e., the moisture content of air, by using a "dry" thermosensor and a "wet" thermosensor, the wet thermosensor is arranged in the open upper end of a verti...	12/02/1986
4559823	Device and method for measuring the energy content of hot and humid air streams A portable device and method for measuring enthalpy and humidity of humid air from a space or flow channel at temperatures from 80° to 400° F. is described. The device consists of a psychrometer for measuring wet-bulb temperature, a vacuum pump for indu...	12/24/1985
4461167	Psychrometer for measuring the humidity of a gas flow In a psychrometer for measuring the humidity of a gas flow, especially a gas flow having a temperature of above 100° C., a flow of liquid is supplied to a wick surrounding the wet sensor via a preheater which heats the liquid to approximately the wet bul...	07/24/1984
4279150	Apparatus for determining vapor content of a gas/vapor mixture Apparatus for determining the vapor content of a gas/vapor mixture comprises two temperature sensing devices. One of the devices measures the temperature of a liquid evaporating from a liquid saturated wick in contact with the device. The other temperatur...	07/21/1981
4261200	Semi-permeable psychrometric hygrometer An improved psychrometric hygrometer obtains its wet-bulb temperature without surface water of induced air flow, through evaporation from transparent semi-permeable containers of relatively large surface-volume ratio....	04/14/1981
4222261	Device for measuring the water content of a moving gas A psychrometer or pick-up for measuring the content of water in a gas flow comprises a first sensor or probe for measuring the dry temperature of the gas and is arranged directly in the flow of gas, a second sensor or probe for measuring the wet temperatu...	09/16/1980
4175436	Wet/dry bulb hygrometer with automatic wick feed A wet/dry bulb hygrometer of the psychrometer type is used for monitoring and/or controlling humidity of a gaseous fluid having contaminants therein. The wet bulb sensor of the hygrometer is provided with a wick which is movable over the wet bulb sensor s...	11/27/1979
4129250	Relative humidity control Apparatus for measuring and controlling the relative humidity of exhaust air from an industrial drier in which exhaust air is passed across a dry bulb and a wet bulb thermocouple from which a voltage is derived providing a measure of the relative humidity...	12/12/1978
3992942	Apparatus for determining wet bulb globe temperature Apparatus for determining the wet bulb globe temperature (WBGT) index of the surroundings constructed from a copper globe having a blackened exterior surface and provided with a fabric cover, which may entirely surround the globe or may be in strips or st...	11/23/1976
3937085	Thermometer A thermometer and a generally elongate mount therefor in which the mount is of channel-shaped cross-section defined by sidewalls which converge along an apex. The thermometer is retained within the channel along the apex by bands which pass through the mo...	02/10/1976

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Class 73/335.08 - Wet bulb detail