Patents - stay tuned to the technology

Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Fluid pressure responsive or control

Subclass of:

165 - Heat exchange

165200000 - WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
165281000 Fluid pressure responsive or control 37
20080283235Apparatus and a method for cooling a condenser of an air conditioner - An apparatus for cooling a condenser of an air conditioner comprises a support member, a tube arranged around a condenser of an air conditioner, a spray comprising an inlet coupled with the tube and an outlet arranged so as to spray water onto the condenser, an air deflector being arranged adjacent the condenser, a sun shade being coupled with the support member and arranged above the condenser; and a sail switch comprising a sail disposed in the air deflector so as to detect an air flow exhausted from the condenser, a switch lever coupled with the switch and extending into the air deflector and a switch placed adjacent the air deflector. The tube is coupled with a water supply. The switch controls water supplied to the tube from the water supply according to an orientation of the sail. The apparatus further comprises a screen or drape around the condenser.11-20-2008
20100288482SAFETY HEAT EXCHANGER FOR COMBINING A HEAT PUMP WITH A DEVICE OF A PUBLIC DRINKING WATER SUPPLY FACILITY - A safety heat exchanger for combining a heat pump with a device of a drinking water supply facility for obtaining heat from drinking water. The heat exchanger includes a primary circulation loop (11-18-2010
20100319902AUXILIARY APPARATUS FOR VEHICLE WATER TANK - An auxiliary apparatus for a vehicle water tank is applicable to a cooling system. The auxiliary apparatus includes a water supply apparatus, a pressure relief apparatus, a state sensor, and a controller. The water supply apparatus has a feed-water pump and an auxiliary water tank. The cooling system and the auxiliary water tank respectively accommodate a cooling fluid. The pressure relief apparatus detects a pressure in the cooling system, and guides the cooling fluid in the cooling system to the auxiliary water tank when the pressure exceeds a predetermined pressure value. The state sensor detects a storage state of the cooling fluid in the cooling system. The controller stops the feed-water pump according to the storage state sensed by the state sensor, or starts the feed-water pump to guide the cooling fluid in the auxiliary water tank to the cooling system.12-23-2010
20110036554COOLING ARRANGEMENT, SERVER RACK AND METHOD FOR CONTROLLING A COOLING ARRANGEMENT - The cooling arrangement for a server rack for accommodating a plurality of plug-in components includes a vertically running coolant air channel, having a plurality of air intake openings and a common exhaust air opening. Air intake openings can each be connected to an air outlet opening of a plug-in component, whereby the corresponding air intake opening is assigned to plug-in component. Air intake openings each have a throttle element for varying their air passage cross section.02-17-2011
20110162830APPARATUS AND METHOD FOR PURGING GASES RELEASED FROM A HEAT EXCHANGER - An apparatus and method for purging gases released from a heat exchanger are provided. The apparatus includes an enclosure that defines an interior space and is configured to receive at least a portion of the heat exchanger. A gas source is configured to deliver an inert gas to the interior space of the enclosure at a pressure higher than an ambient pressure outside the gas source and the enclosure. The enclosure is adapted to maintain a positive pressure difference between the interior space and the ambient pressure. A detector is configured to detect a leak of a gas from the heat exchanger into the interior space of the enclosure. A pressure relief device configured to release gas from the interior space of the enclosure if the pressure in the interior space exceeds a predetermined level.07-07-2011
20110297364METHOD OF AUTOMATIC HYDRAULIC EQUALIZATION IN A FLUID-FLOW SYSTEM - A heating-cooling system has a plurality of users, a piping system subdivided into a plurality of zones in each of which a respective group of the users is connected in parallel, a heater or cooler having a supply line and a return line connected to the zones, a pump connected to the heater or cooler and to one of the lines for flowing a heat-exchange medium through the respective users, and respective flow-control valves connected in each of the zones for controlling flow of the medium therethrough and establishing in the respective zones a respective differential pressure. Flow in the zones is adjusted by controlling the respective valves to make a detected actual value of the differential pressure in the zone correspond to a set-point value previously detected and stored, with the differential pressure across each of the control valves being similarly feedback controlled.12-08-2011
20120012298Method and Appratus for Heating an Aqueous Mixture to Vaporization - The present invention is generally directed toward an apparatus and method for the heating of an aqueous mixture to vaporization, more specifically toward the heating of dilution air through a dilution air heating coil that is placed within the path of exhaust gas. In a power plant utilizing an emissions reduction process, such as a selective catalytic reduction (SCR) process, or other type of process, to remove harmful components, such as nitrous oxide (NO.sub.x), from a stream of flue gas wherein the emission reduction process includes the injection of vaporized aqueous mixture into the stream of flue gas, the present invention comprises a dilution air heating coil being placed within the path of exhaust gas to heat dilution air that is then subsequently used in the vaporization of the ammonia.01-19-2012
20120055664Cryogenic System for Cooling a Consumer Having a Time-Variable Heat Load - The invention relates to a cryogenic system for cooling a consumer having a time-variable heat load, such as a superconducting magnet, including: a cold box in thermal contact with the consumer, supplied with heat transfer gas compressed by a feed line, and connected to a delivery line for discharging said gas at a lower pressure; and an assembly for adjusting the pressures in the feed and delivery lines, comprising a plurality of controlled valves (CV03-08-2012
20120103591COOLING APPARATUS - According to one embodiment of the present invention, there is provided cooling apparatus. The cooling apparatus comprises an outlet for supplying chilled liquid, an inlet for receiving return chilled liquid, a free cooling system for providing first cooling to the return chilled liquid, a chiller unit for further cooling the first cooled return liquid to a predetermined temperature, a pressure difference sensor for measuring the pressure difference between the chilled liquid supplied at the outlet and the return liquid received at the inlet, and a flow control module for maintaining a predetermined pressure difference between the liquid supplied at the outlet and the return liquid received at the inlet.05-03-2012
20120227955SUBSTRATE TEMPERATURE CONTROL METHOD AND PLASMA PROCESSING APPARATUS - Provided are a substrate temperature control method and a plasma processing apparatus using the method. The method includes: disposing a substrate on a placing table provided in a vacuum processing chamber; supplying a heat conduction gas between a rear surface of the substrate and the placing table; detecting a pressure of the heat conduction gas; comparing the detected pressure value with a set pressure value; controlling the supply of the heat conduction gas so that the detected pressure value becomes the set pressure value; and alternately repeating a first period where the set pressure value is set to be a first set pressure value that is higher than a low pressure value and equal to or higher than the lowest limit pressure value and a second period where the set pressure value is set to be a second set pressure value that is lower than the low pressure value.09-13-2012
20130025841PASSIVE PHASE CHANGE COOLING DEVICE - A cooling device comprises a cooling tube containing a working gas, a pressure oscillator connected to a first end of the cooling tube to generate a pressure oscillation and displacement of the working gas, and means for phase shifting the pressure oscillation relative to displacement of the working gas, connected to a second end of the cooling tube. The device further comprises a first sealed pressure transmission element to separate the working gas from a fluid contained in the phase shifting means. The fluid and the working gas are of different natures.01-31-2013
20130092365METHOD AND SYSTEM FOR REGULATING CRYOGENIC VAPOR PRESSURE - A vapor pressure regulation system includes a vessel including a vessel wall that defines an enclosure, and a temperature adjustment mechanism coupled to the vessel. A heat transfer between the temperature adjustment mechanism and the vessel is adjusted based on at least a vapor pressure within the vessel to facilitate regulating the vapor pressure within the vessel.04-18-2013
20130112391BITUMEN OUTBREAK DETECTION SYSTEM - A method for removing insoluble contaminants from a heat exchange system is disclosed. The method may be a single-pass system or a system incorporating a plurality of apparatuses in parallel. The method measures the pressure drop across a filter and purges contaminants based on the measured pressure drop. The method is particularly applicable to detecting and removing bitumen from a heat exchange system.05-09-2013
20130133872DIRECT FACILITY COOLANT COOLING OF A RACK-MOUNTED HEAT EXCHANGER - A cooling apparatus and method are provided. The cooling apparatus includes a coolant-cooled heat exchanger for facilitating dissipation of heat generated within an electronics rack, and a coolant control apparatus. The coolant control apparatus includes at least one coolant recirculation conduit coupled in fluid communication between a facility coolant supply and return, wherein the facility coolant supply and return facilitate providing facility coolant to the heat exchanger. The control apparatus further includes a coolant pump(s) associated with the recirculation conduit(s) and a controller which monitors a temperature of facility coolant supplied to the heat exchanger, and redirects facility coolant, via the coolant recirculation conduit(s) and coolant pump(s), from the facility coolant return to the facility coolant supply to, at least in part, ensure that facility coolant supplied to the heat exchanger remains above a dew point temperature.05-30-2013
20130133873DIRECT FACILITY COOLANT COOLING OF A RACK-MOUNTED HEAT EXCHANGER - A method is provided for dissipating heat from a rack. The method includes: disposing a coolant-cooled heat exchanger within the rack, and providing a coolant control apparatus. The coolant control apparatus includes at least one coolant recirculation conduit coupled in fluid communication between a facility coolant supply and return, wherein the facility coolant supply and return facilitate providing facility coolant to the heat exchanger. The control apparatus further includes a coolant pump(s) associated with the recirculation conduit(s) and a controller which monitors a temperature of facility coolant supplied to the heat exchanger, and redirects facility coolant, via the coolant recirculation conduit(s) and coolant pump(s), from the facility coolant return to the facility coolant supply to, at least in part, ensure that facility coolant supplied to the heat exchanger remains above a dew point temperature.05-30-2013
20130175023LOW PRESSURE OIL COOLED COMPOSITE RAM BUSHING WITH SECONDARY COOLING - A low pressure system for cooling a ram bushing is provided. The low pressure system includes at least one check valve disposed on a T-coupling downstream of the low pressure pump. The check valve allows for the pressure to be maintained in the cooling system, but also allows pressure to be relieved in the event of an over pressure condition.07-11-2013
20130213633HYDRAULIC PREHEATING APPARATUS FOR HYDRAULIC OIL COOLERS IN A LARGE HYDRAULIC EXCAVATOR - An apparatus for preheating hydraulic oil which is located at low temperatures in at least one air-cooled hydraulic oil cooler, wherein at least one hydraulic oil cooler is arranged outside an engine compartment, in particular of a large hydraulic excavator, characterized in that the oil, in particular hot oil, coming from a tank is fed to the inlet box of the hydraulic oil cooler and is passed on via connecting lines and an interposed pressure relief valve or a non-return valve to the outlet box of at least one hydraulic oil cooler, wherein the outlet box and the cold oil located therein can be heated and fed to the tank.08-22-2013
20130233531TEMPERATURE CONDITIONING DEVICE - A temperature conditioning device has a connection tube assembly, a heat exchange unit, a system controller, and a wrap assembly connected to the connection tube assembly. The wrap assembly has a water bag, an air bag and a sleeve wrapped around the air bag and the water bag. The system controller has a water pump for drawing liquid from the heat exchange unit to the water bag to cool or warm a body part of a user, and a pneumatic pump for inflating the air bag to provide holding force. The temperature conditioning device forms a water cycle between the heat exchange unit and the water bag so the water bag is able to keep a cool or warm temperature to comfort a user continuously.09-12-2013
20130312946Methods and Systems for Cooling Hot Particulates - Methods, systems, and apparatus for cooling particulates are provided. The method can include introducing particulates to a heat exchanger containing a tube bundle having a plurality of tubulars, introducing a coolant to the plurality of tubulars through a coolant inlet, flowing the particulates through the shell side of the heat exchanger, and contacting at least a portion of the particulates with the tube bundle. The method can also include recovering a heated coolant from the coolant outlet and recovering cooled particulates from the particulate outlet. The heat exchanger can include a vessel having an elongated shell having a first end, a second end, one or more sidewalls, a shell side particulate inlet disposed in the one or more sidewalls for receiving particulates, a shell side particulate outlet disposed adjacent the second end for discharging cooled particulates, and a tube bundle including a plurality of tubulars disposed within the vessel.11-28-2013
20140124188LIQUID COOLING SYSTEM AND METHOD FOR PREVENTING LEAKAGE THEREOF - The present invention provides a liquid cooling system and a method for preventing leakage thereof. The liquid cooling system comprises: an enclosed cooling liquid circulating assembly with cooling liquid flowing circularly and air above the cooling liquid provided therein; a vacuum pump leading to the air in the enclosed cooling liquid circulating assembly; and a vacuum gauge for measurement of a pressure of the air in the enclosed cooling liquid circulating assembly, wherein the vacuum pump is turned on when the measured pressure is higher than a predetermined pressure, and the vacuum pump is turned off when the measured pressure is not more than the predetermined pressure; wherein the predetermined pressure is set to ensure that the pressure of the cooling liquid is not higher than the atmospheric pressure.05-08-2014
20140209288COOLING TECHNIQUE - A method and an apparatus are provided for cooling a heat source using a refrigerant flow in a heat exchanger. According to some embodiments, a flow property of the refrigerant as it flows through a heat exchanger is measured and based on the measurement a flow distribution rate for the flow of the refrigerant in the heat exchanger is determined. A valve is operated for adjusting the flow rate of the refrigerant in the heat exchanger according to the determined flow distribution rate.07-31-2014
20140216708Cooling Arrangement For Cooling Weld Caps Having A Check Device And Method Of Monitoring - A cooling arrangement for cooling weld caps of a welding device includes a local cooling pipe having a feed portion through which coolant can flow to the weld caps, and a return portion through which coolant can flow away from the weld caps. The cooling arrangement has at least one sensor and at least one actuator arranged at the cooling pipe. A check device is connected to the sensor and the actuator. The check device is arranged in an immediate vicinity of the sensor and/or the actuator and/or the local cooling pipe, and is adapted to receive measured values of the sensor and to check, based on pre-established criteria, whether the measured values are within a predefined desired range. In response to a negative check result, the check device can drive the actuator in a predetermined manner such that the cooling arrangement is placed in a safe condition.08-07-2014
20140251589AIR COOLED CONDENSER APPARATUS AND METHOD - An air cooled condenser (ACC) system is described having a first street having at least one air cooled condenser module and a second street having at least one air cooled condenser module. The system employs a steam inlet conduit provides steam to the first and second streets. The air cooled condenser system has a standard vacuum system for providing suction pressure to the first and second street. The air cooled condenser system also has an auxiliary vacuum system that provides suction pressure to the first and second streets.09-11-2014
20140262197Coolant System for Machine Tools - A coolant system for machine tools, includes a pump (09-18-2014
20140284041COOLANT SUPPLY DEVICE AND SUPPLY METHOD - The purpose of the invention is to provide a coolant supply device and supply method that can appropriately control the spraying of coolant using a single parameter.09-25-2014
20150027682Method and Apparatus for Dampening Flow Variations and Pressurizing Carbon Dioxide - An apparatus is provided for maintaining a steady flow rate and pressure of a carbon dioxide stream at high pressure when a low-pressure source of the carbon dioxide varies with time. Liquid level in an accumulator that is sized to accommodate variations in supply rate is controlled by sub-cooling of liquid entering the accumulator and heating in the accumulator, the sub-cooling and heating being controlled by a pressure controller operable in the accumulator.01-29-2015
20150107818COOLANT SUPPLY DEVICE - In a coolant supply device that supplies a coolant for washing chips into a machine tool, an opening/closing valve that is opened or closed by the pressure of the coolant is provided in the course of a pipe line supplying the coolant ejected from a coolant ejection pump into the machine tool. Meanwhile, an ON/OFF control is performed so that the coolant ejection pump is turned off when a first time elapses after the coolant ejection pump is turned on and the coolant ejection pump is turned on when a second time elapses after the coolant ejection pump is turned off.04-23-2015
20150136381HEAT TRANSPORT DEVICE - A heat transport device (05-21-2015
20160066479COOLING APPARATUS - According to one embodiment of the present invention, there is provided cooling apparatus. The cooling apparatus comprises an outlet for supplying chilled liquid, an inlet for receiving return chilled liquid, a free cooling system for providing first cooling to the return chilled liquid, a chiller unit for further cooling the first cooled return liquid to a predetermined temperature, a pressure difference sensor for measuring the pressure difference between the chilled liquid supplied at the outlet and the return liquid received at the inlet, and a flow control module for maintaining a predetermined pressure difference between the liquid supplied at the outlet and the return liquid received at the inlet.03-03-2016
20160115676WATER SUPPLY STRUCTURE OF LIQUID COOLING DEVICE, PUMP HAVING WATER SUPPLY STRUCTUE AND LIQUID COOLING DEVICE HAVING WATER SUPPLY STRUCTURE - A water supply structure of a liquid cooling device, a pump and a liquid cooling device having the water supply structure are disclosed. The water supply structure, disposed on the cooling device or on the pump, includes a lower lid, an upper lid, and a pressure control member. An outlet is in the lower lid and communicates with the cooling device or with the pump. The upper lid is combined on the lower lid. A chamber, formed between the lower lid and the upper lid, communicates with the outlet and accommodates a coolant. The pressure control member is moveable in the chamber and includes a piston and an elastic part controlling the piston to move inside the chamber. The elastic part pushes against the piston to move inside the chamber such that the coolant is injected into the cooling device until hydraulic pressure equilibrium is achieved.04-28-2016
165282000 Branched flow of heat exchange material 2
165283000 Bypass of heat exchanger 2
20120241141COOLING CIRCUIT WITH TRANSMISSION FLUID WARMING FUNCTION - A cooling circuit includes a first fluid system with a radiator having an inlet portion, an outlet portion, a first heat exchanger. The first fluid system contains a first fluid and also includes a first inlet branch, a second inlet branch, and a valve member. Also, a second fluid system containing a second fluid includes a second heat exchanger that is operably coupled to the outlet portion of the radiator. The first fluid flows through the first inlet branch to be cooled by the first heat exchanger when the valve member is in the first position. The first fluid flows through the second inlet branch and bypasses the first heat exchanger to allow heat transfer between the first and second fluids via the second heat exchanger when the valve member is in the second position.09-27-2012
165284000 Differential pressure operated bypass 1
20140360714HEAT SOURCE SYSTEM AND METHOD OF CONTROLLING FLOW RATE OF HEATING MEDIUM THEREOF - It is possible to realize flow rate control regardless of the scale on a load side or a piping system and to achieve energy saving. In a host control device (12-11-2014
165285000 Flow of one heat exchange material controlled by the pressure of another 1
20100218933Heat Exchange System and Method - A dual fluid heat exchange system is presented that provides a stable output temperature for a heated fluid while minimizing the output temperature of a cooled fluid. The heated and cooled fluids are brought into thermal contact with each other within a tank. The output temperature of the warmed fluid is maintained at a stable temperature by a re-circulation loop that connects directly to the mid portion of the tank such that the re-circulated fluid flow primarily warms only a re-circulation section of the tank. The other, lower flow rate, section of the tank may be positioned so that it has a cooler temperature and thus serves to increase the efficiency of the heat exchange by extracting extra heat energy out of the cooled fluid before it leaves the tank. Alternatively, the low flow rate section of the tank may be warmer than the re-circulated section, and thus allow the re-circulated section to be cooler than the output temperature of the warmed fluid.09-02-2010
165286000 Flow of one heat exchange material controlled by its own pressure 4
20100071889Closed loop control of hydrogen cooling of an electric power generator - A closed loop control system for controlling generator cooling pressure, purity and dew point at power plants with hydrogen cooled generators to achieve optimum efficiency. The present invention uses feedback from plant status monitoring software to dynamically control parameters such as hydrogen pressure, purity and dew point to achieve optimum efficiency and provide necessary reserve capacity. The hydrogen pressure setpoint can be manipulated based on plant conditions such as output voltage, MVAR reserve capacity, likelihood of increased demand and other parameters. In general, an attempt is made to lower the pressure setpoint to achieve efficiency. Margin is built in to account for time lag in raising hydrogen pressure in the case of increased demand.03-25-2010
20110127027COOLING METHOD AND COOLING SYSTEM OF ELECTRONIC DEVICE - A cooling method of an electronic device, the cooling method naturally circulating a cooling medium between an evaporator, which gasifies the cooling medium and cools heat-discharging air from the electronic device by heat exchange with the heat-discharging air, and a cooling tower or a condenser, which is disposed at a higher position than the evaporator and liquefies the gasified cooling medium, and subjecting a flow rate of the cooling-medium liquid supplied to the evaporator to valve control so that a temperature of the air obtained after the heat exchange and the cooling by the evaporator becomes a temperature suitable for an operating environment of the electronic device, wherein the improvement comprises that 06-02-2011
20130168073WORK VEHICLE FLUID HEATING SYSTEM - A fluid heating system for a work vehicle including a pressurized fluid circuit, a pump, and a fan for cooling fluid of the fluid circuit. Pressurized fluid of the fluid circuit provided to the fan results in fan operation. A speed of the fan corresponds to a flow rate of pressurized fluid of the fluid circuit provided to the fan. A control device is in fluid communication with the fluid circuit, the control device operable between a first position and a second position. The first position of the control device results in substantially all of the fluid of the fluid circuit being provided to the fan. The second position of the control device results in at least a portion of the fluid of the fluid circuit bypassing the fan, thereby reducing the speed of the fan while increasing a pressure magnitude and increasing a temperature of the fluid system.07-04-2013
20160047027Pre-Cooling System having Controlled Internal Adjustment - The invention relates to equipment for cooling a metal strip (02-18-2016

Patent applications in class Fluid pressure responsive or control

Patent applications in all subclasses Fluid pressure responsive or control

Website © 2025 Advameg, Inc.