23182 results about "Water temperature" patented technology

A building heating/cooling system energy optimization method for a building having a heating/cooling system includes the steps of providing a mathematical model of the heating/cooling system, obtaining real-time weather information, reading the input water temperature (IWT), the output water temperature (OWT) and the supply air temperature (SA) output to the building, periodically transferring the IWT, the OWT and the SA to an optimization system which is operative to analyze the real-time data in coordination with the mathematical model by assigning at least three selected values in a range surrounding and including the current values of each of the IWT, the OWT and the SA and calculating the efficiency profile of the components of the heating/cooling system for each of the selected values, then cooperatively optimizing and selecting those values calculated to provide the highest efficiency profile, then periodically resetting the system values to those selected by the optimization system.

A water faucet assembly providing touchless water temperature and water flow adjustment. The assembly comprises a spout, a water mixing valve, at least one proximity sensor, and a microcomputer. The water mixing valve provides a mix and controls the flow of hot water from a hot water supply and cold water from a cold water supply to the spout. The at least one proximity sensor provides a water temperature or water flow input signal having a value corresponding to the distance of an object from the sensor. The microcomputer is responsive to the value of the water temperature input signal to control the water mixing valve and generate a mixture of the hot and cold water corresponding to the distance of the object from the proximity sensor. The microcomputer is also responsive to the value of the water flow input signal to provide a flow of water from the spout corresponding to the distance of the object from the proximity sensor.

An ergonomic water conserving faucet assembly that pivots around a cognitive central point providing touchless water temperature, flow rate, volume control and spray pattern adjustment through multiple, hygienic means. The assembly comprises a pivotable, ergonomic, ball-shaped spout that may be used statically or hand held; a retractable water delivery hose connecting the spout to a water source; a water mixing valve at the water source delivering water of preselected temperature; solenoid valves controlling flow; proximity and object detection sensors mapping the sink area and detecting input signals; speech sensors with microphone for voice control; an LED display of water temperature; internal speakers delivering audible prompts; and an electronic controller recognizing speech and supervising operations.

An on demand tankless water heater system that is capable of quickly delivering water within a desired temperature range. The tankless water heater provides a hybrid heating method that contains a primary heating system and a secondary heating system disposed in a buffer tank that cooperate to facilitate control of output water temperature during water usage. A pressure differential switch detects low flow demand and allows the secondary heating system to provide immediate heating to the water. This secondary heating system provides a faster temperature response and fine tuning of output water temperature.

An air conditioning apparatus for a vehicle seat includes a seat blower unit disposed in a lower side of the seat, and a seat duct for leading air from an air conditioning unit to the seat through the seat blower unit. In the air conditioning apparatus, it can be determined that heat load of a passenger compartment is decreased to a predetermined value based on an operation state of a unit blower of the air conditioning unit, and the seat blower is stopped when the heat load is decreased to the predetermined value. Further, the seat blower is turned on or off according to the heat load of the passenger compartment, so that temperature of the seat can be controlled within a predetermined range. On the other hand, even when the unit blower is stopped when a water temperature of a heating unit of the air conditioning unit is lower than a set temperature, the seat blower unit and an electrical heater disposed in the seat duct are operated so that air passing through the heating unit is heated by the electrical unit and is blown into the seat by the seat blower unit.

A switch-equipped sprinkler including a main body, a rotary water-distributing switch and a color-changeable warning facial cap mounted in a facial cap of the sprinkler. The switch is mounted in the main body. The switch has an operating handle arranged between the facial cap and the handle of the sprinkler. In the case that the temperature of the water exceeds a set value, the color-changeable facial cap will warn a user. The switch is operable with single handle to control the path of the water flow and switch the figures of the sprinkled water as necessary.

A system for detecting water leaks is described. In one embodiment, the system includes a plurality of sensors, selected from a moisture sensor, a water level sensor, and/or a water temperature sensor. A processor collects moisture readings from the sensors. In one embodiment, the processor reports a possible water leak when a moisture sensor detects moisture above a moisture threshold value. In one embodiment, the processor reports a water leak when the water level reading exceeds a water threshold value and/or when the temperature reading exceeds a temperature threshold value.

A heat pump water heater and systems and methods for its control are disclosed. The systems are configured to heat water within a water storage tank of a heat pump water heater wherein a controller within the system is operatively connected to a plurality of heat sources including at least one electric heating element and a heat pump and sensors in order to selectively energize one of the plurality of heat sources. The controller is configure to process data representative of the temperature of water within the tank near the top of the water storage tank, and rate of water flowing out of the water storage tank, in order to automatically selectively energize the heat sources. The selection of heat sources by the controller is determined by a mode of operation selected by the user and the data processed by the controller in view of the selected mode of operation.

A motor vehicle is equipped with an outside air introduction assembly 104 functioning to introduce the outside air into a radiator 92 in an engine cooling system during driving, as well as with an outside air introduction assembly 114 functioning to introduce the outside air into an engine 22 during driving. The motor vehicle is also equipped with shutter plates 106 capable of regulating the amount of the outside air to be introduced by the outside air introduction assembly 104, as well as with shutter plates 116 capable of regulating the amount of the outside air to be introduced by the outside air introduction assembly 114. The shutter plates 106 and the shutter plates 116 are individually actuated and controlled to increase the amount of the outside air to be introduced by the outside air introduction assembly 104 and the amount of the outside air to be introduced by the outside air introduction assembly 114 with an increase of temperature of cooling water detected as a cooling water temperature Twe in the engine cooling system. Such actuation and control assures the adequate cooling performances to cool down the cooling water by the radiator 92 and to cool down the engine 22.

The invention provides a processing method of a high-toughness Al-Si system die-casting aluminum alloy. The method comprises the following steps: carrying out die-casting molding of an Al-Si system aluminum alloy melt, wherein the die casting die temperature is 350-400DEG C and the pressure maintaining time is 1-60s; carrying out die opening, rapidly taking out the obtained object, putting the object in circulating cooling water for quenching, taking out the object from the circulating cooling water after complete cooling, and burring, wherein the time for transferring the object to the circulating cooling water from the die is less than 5s, the quenching temperature is 350-550DEG C and the temperature of the cooling water is less than 30DEG C; and carrying out annealing heat-insulation at 50-250DEG C for 2-3h. The method enables Al-Si system alloy die castings to have the advantages of substantially improved strength and toughness, uniform workpiece structure, excellent mechanical performances, and good safety and reliability, and the application range of the Al-Si system alloy die castings to the enlarged.

An equipment cooling system and method employing modular scalable coolant distribution units that interface with each other to provide liquid cooling for computer data centers. The coolant distribution unit (CDU) permits the use of elevated water temperatures without increasing the load on the computer room air conditioning. A control unit processes environment data to control pump and valve components supporting redundancy and multiple primary and secondary coolant loops.

An improved heater and method of controlling the same is provided. The water heater has the combination of a tank for holding water, a heater for heating the water, a controller having logic to regulate the heater, and first and second sensors. Each of the sensors detects the water temperature at different areas within the water heater. The sensors also provide the controller with signals corresponding to the detected water temperature. In response to these signals, the controller regulates the heater when at least one of the signals of the first and second sensors satisfies at least one predetermined state condition.

An electronically controlled thermostat control method is obtained which makes it possible to eliminate the response delay from the time that the required cooling water temperature is set to the time that the actual cooling water temperature reaches the set water temperature by controlling the flow rate, and to realize high cooling water temperature tracking characteristics with a high degree of precision at a low cost. The method of the present invention is characterized in that in an electronically controlled thermostat which is used to control the cooling water temperature of an engine, and which comprises an actuator that can arbitrarily vary the degree of valve opening without depending only on the actual cooling water temperature, the actuator is controlled by the control controller, which has means for calculating the elapsed time from the powering of the actuator to the variation of the water temperature for predicting the water temperature after the elapsed time when the cooling water temperature is controlled to an arbitrarily set water temperature, and the actuator is controlled in advance in accordance with the above-described predicted water temperature.

The invention relates to a sludge treatment process based on a hydrothermal modification technology. The sludge treatment process is carried out by comprising the following steps of: (1) temporarily storing the sludge which is subjected to mechanical dehydration and has the water content of 70-85% to a pretreatment unit and deodorizing the sludge; (2) introducing to a homogeneous device, fully mixing and homogenizing, introducing the homogenized sludge to a slurrying device, introducing the slurried sludge to a hydrothermal reactor for hydrothermal reaction, and introducing the hydrothermal sludge to a flash evaporator for decompression and flash evaporation; (3) cooling to 35-45 DEG C by using a cooler, then introducing to a high-pressure diaphragm pressure filter for pressure filtering and dehydration to obtain a dehydrated mud cake with the solid content of 35-45% and dehydrated filtrate; (4) introducing the dehydrated filtrate to an intermediate temperature anaerobic reactor, wherein the residence time is for 5.5-7.5d, the inlet water temperature is controlled below 40 DEG C, and the anaerobic reaction temperature is 30-40 DEG C; and (5) preparing a biomass fuel rod by using the dehydrated mud cake, and introducing the biomass fuel rod to a boiler to provide steam for the hydrothermal reactor and the flash evaporator. The sludge treatment process has the advantages of goodtreatment effect, obvious volume reduction effect, high harmless degree, recycling of methane, good economic benefit and the like.

An integrated system for hydro-thermo-sanitary apparatuses comprising electric current generating means, a control board, water temperature sensors and LEDs or strips of LEDs arranged near the water outlet section for indicating the dispensed water temperature according to the colour with which the light of the LEDs is emitted. An acoustic-vocal indicator may also be provided.

The invention relates to a wireless acquisition device of culture water quality, which comprises a sensor group, a microprocessor and a wireless communication module. Based on the wireless acquisition device, the invention also discloses a system for wirelessly monitoring the culture water quality, which comprises a data storage module, a power supply module and a buoy. The device and the system adopt a solar energy supply; the system has an online state and a dormant state; software and hardware are designed by adopting a low power consumption power-saving mode, and can acquire and store a plurality of water quality parameters such as the pH value, the electrical conductivity (EC), the water level, the dissolved oxygen (DO) and the water temperature of a culture water environment; the acquired data can be sent to a data monitoring center by GPRS; and the DO value in water can be predicted, and water quality DO early warning information is sent to an intensification aquaculture manager through mobile phone short messages.

A simple, effective and inexpensive water-quality measurement system comprises a housing suitable for travel on or in a body of water; one or more sensors for measuring water properties as the housing travels; a memory for storing information relating to the measured water properties; and software for processing measured properties. This invention combines into a single, inexpensive, and comprehensive system the sensors, computer hardware, signal-processing, Geographic Information System data, and Decision Support Software. This integration yields a system of novel and unparalleled utility. The water properties measured by the system may include: water temperature, water conductivity, pH level, dissolved oxygen, turbidity, water depth, salinity, total dissolved solids (TDS), ORP, chlorides, nitrates, and phosphates. A geographic information system (GIS) based on a global positioning satellite (GPS) technology is operative to determine geographic location and other factors, and an internal or external processor is operative to generate a map coordinating one or more of the listed characteristics to one or more of the water properties. A barometric pressure sensor may also be provided. In the preferred embodiment, the housing is a floating buoy.

Said hand-held thermal mug has an inlet on said top, above which there is a rotating cover, in which there is an outlet and a rotating opening. Said opening can seal said outlet of said rotating cover when it is rotated. After filling said hand-held thermal mug with water, said consumer can cover up said mug using said rotating cover to seal and prevent water in said mug from spilling out, or turn rotating cover till said outlet and said inlet coincide. Said thermal mug has an external low-voltage electric socket, which can be connected to automotive power. Said power supplies to said temperature control device in said front of said hand-held thermal mug. Said device consists of an automatic thermometer that indicates said temperature inside said container, a switch and four temperature indicating lights. Said consumer can freely adjust said temperature of said water inside said mug to preferred level. Said mug can also maintain said temperature of said water inside, and provide proper water temperature for said consumer. Said thermal mug is designed to fit mug trays in automobiles and vessels for said convenience of said driver. Said consumer can put any preferred beverages into said hand-held shatterproof thermal mug, and drink at set temperature at any time. This invention best serves said needs of drivers while driving, and also meets needs of daily life and office usages.