174results about "Temperature control without auxillary power" patented technology

The invention discloses a mold cooling water supply, conveying and quantitative control method and system. The method comprises the following steps: acquiring an initial monitoring data set; according to the initial monitoring data set, if the partition temperature exceeds a preset threshold value, the flow of the corresponding cooling channel is increased, if the partition temperature is lower than the preset threshold value, the flow is reduced, and an optimized flow distribution scheme is generated; a dynamic adjusting module is adopted to conduct temperature parameter calibration on the optimized flow distribution scheme, if the regional temperature deviation is detected, the cooling medium supply amount is corrected, and a dynamic balance control instruction is generated; humidity and dew point temperature data are obtained from an environment monitoring system, if the difference value between the humidity and the dew point temperature is smaller than a safety threshold value, a condensation prevention mechanism is triggered, and a cooling medium temperature upper limit parameter is adjusted; and executing partition cooling control according to the final regulation and control parameters, and feeding back the operation data to a database for updating a preset threshold value and optimizing algorithm parameters. Intelligent and accurate control over the mold temperature is achieved, and the product quality and the production efficiency are improved.

A thermostatic pressure balance valve assembly, comprising a manifold; a thermostatic valve; and pressure balancing device, wherein the manifold comprises a hot water inlet configured to receive hot water from a hot water source, a cold water inlet configured to receive cold water from a cold water source, a central chamber, and a pressure balancing cavity, the thermostatic valve is positioned in the manifold central chamber, and the pressure balancing device is positioned in the pressure balancing cavity.

To provide a heat medium supply device capable of supplying a heat medium at a stable temperature while preventing a high load on a cooling device when the temperature of the heat medium returning from a semiconductor manufacturing device changes suddenly.SOLUTION: A heat medium supply device 1 includes: a cooling-side outlet pipe 17 that transfers a heat medium from a cooling-side tank 16 to a cooling device 8; a cooling-side bypass pipe 44 that extends from a cooling-side return pipe 26 to the cooling-side outlet pipe 17, bypassing the cooling-side tank 16; a cooling-side bypass valve 45 provided in the cooling-side bypass 44; and an operation control unit 35 that controls the operation of the cooling-side bypass valve 45. The operation control unit 35 is configured to open the cooling-side bypass valve 45 when a temperature of the heat medium in the cooling-side return pipe 26 measured by the cooling-side temperature measuring device 41 is within a preset allowable low temperature range, and to close the cooling-side bypass valve 45 when the temperature of the heat medium in the cooling-side return pipe 26 measured by the cooling-side temperature measuring device 41 is outside the allowable low temperature range.SELECTED DRAWING: Figure 1

Provided is a temperature control device capable of controlling, with high accuracy, a temperature of a fluid for temperature control to be supplied to a temperature control target in comparison to a case in which there is not provided control means for controlling temperature adjustment performance of supply means based on a result of detection performed by detection means for detecting a heat load of the temperature control target. The temperature control device includes: supply means for adjusting a fluid for temperature control to a predetermined temperature and then supplying the fluid for temperature control; detection means for detecting a heat load of a temperature control target to be supplied with the fluid for temperature control from the supply means, the detection means being arranged on the temperature control target side; and control means for controlling temperature adjustment performance of the supply means based on a result of detection performed by the detection means.

A water purifier includes: a water outlet unit; a water temperature sensor; a filter; a cold water module for cooling the purified water to provide cold water; a hot water module including a heater for heating water, and a hot water body providing a space which receives the hot water or through which the hot water flows; a flow channel connected to the water outlet unit, the filter, the cold water module, and the hot water module to provide a passage through which the purified water, the cold water, the hot water, and discharge water flow; a valve module that are selectively opened / closed to control the flow of water in the flow channel; and a controller for controlling the valve module such that a temperature of the water discharged from the water outlet unit measured by the water temperature sensor is a target temperature.

The invention provides a temperature self-adaptive adjustment strategy and device in a high-boiling-point solvent waste liquid recovery process, and the method comprises the steps: executing a first temperature control strategy for a single tower based on a vacuum module, a steam valve and a cold water valve when it is detected that the absolute value of the difference value between the temperature in the single gas-liquid separation tower and a first preset temperature is smaller than a preset difference value; when it is detected that the temperature in the single gas-liquid separation tower reaches a second preset temperature, a second temperature control strategy is executed for the single tower based on the vacuum module, the steam valve and the cold water valve; and according to the first temperature control strategy or the second temperature control strategy, a cooperative temperature control strategy is executed on the rest of the gas-liquid separation towers, so that linkage control over the temperatures in the gas-liquid separation towers in the recovery process of the high-boiling-point solvent waste liquid is achieved. The recovery safety and the recovery efficiency of the high-boiling-point solvent waste liquid are improved.

Devices, systems, and techniques relating to steam trap monitoring are described. These include battery-less steam trap monitors that run on power harvested from their environments, systems for acquiring steam trap monitor data for the traps in a facility or across multiple facilities, and techniques for processing steam trap monitor data to reliably determine the status of individual steam traps and potentially other system parameters.

The invention relates to a thermostatic assembly (1) comprising a housing (10) in which a mixing chamber (11), a hot fluid inlet (14), a cold fluid inlet (15) and a mixed fluid outlet (16) are defined. In the chamber, a spool valve (20) for regulating the temperature of the mixed fluid is movable along an axis (X-X) of the chamber to close the hot and cold fluid passages in respective inverse ratios. A thermostatic element (30) comprises a body (31) arranged in the chamber so as to be in contact with the mixed fluid and movably connected to the spool valve, and a piston (32) connected to the housing about an axis. The piston is housed in the body so as to be movable by the action of a thermally expandable material (33) of the body, the piston being axially mounted so as to slide in a guide (34) of the body, the piston projecting out of the body from the guide. A sealing sleeve (37) is coaxially mounted around the guide and the piston to seal a sliding mount thereof, comprising a first portion fixedly connected to the guide along the axis and a second portion abutting the piston in sliding contact along the axis about the axis.

A faucet device according to an embodiment includes a water spout part, a hot water and cold water mixing unit, an actuator, a controller, and an operation unit. The hot water and cold water mixing unit includes a body casing, a thermo-sensitive energizing part, and a valve body. The controller is configured to: execute a water spouting mode and a calibration mode, the water spouting mode being a mode for driving, in receiving the information on the set temperature, the actuator to a predetermined position or by a predetermined drive amount that are corresponding to the set temperature to adjust a position of the valve body in an axial direction of the valve body; and the calibration mode is a mode for adjusting setting of the predetermined position or the predetermined drive amount in accordance with at least one of an arrangement environment and product unevenness.

The present invention relates to a sanitary fitting (1) comprising at least: a fitting housing (2); a mixing valve (3) for mixing cold water and warm water into mixed water; and a thermostatic mixer (4) for mixing cold water and hot water into warm water, the thermostatic mixer comprising an expansion material component (5) and a slide (6) that can be actuated by the expansion material component (5) to adjust the mixing ratio between cold water and hot water. According to the present invention, the expansion material component (5) and the slide (6) are arranged coaxially with respect to each other, wherein the slide (6) can be actuated by the expansion material component (5) via a connecting element (9), wherein the connecting element (9) can be inserted onto the slide (6) or the expansion material component (5) and then rotated into a closed position (10), in which the slide (6) and the expansion material component (5) are connected to each other via the connecting element (9). A method for assembling such a sanitary fitting (1) is also provided.

Thermostatic mixing valve (10) comprising a housing (11), the housing comprising a first inlet port (12) for water having a first temperature, a second inlet port (13) for water having a second temperature, and an outlet port (14) for mixed water having a mixing temperature depending on a mixing ratio of the water having the first temperature and of the water having the second temperature. The thermostatic mixing valve further comprises a valve insert (15) positioned within the housing (11), wherein the valve insert has a tubular element (16), a thermal element (17) and a spring element (18), wherein the tubular element (16), the thermal element (17) and the spring element (18) control together the mixing ratio of the mixed water such that an actual value of the mixing temperature corresponds to a nominal value of the mixing temperature. The thermostatic mixing valve further comprises a first setting unit (19) having a first spindle (21) and being configured to set the nominal value of the mixing temperature. The thermostatic mixing valve further comprises a second setting unit (20) having a second spindle (22) and being configured to select an operation mode of the thermostatic mixing valve, wherein the second spindle (22) is guided within the first spindle (21), and wherein the second spindle (22) is configured to provide a linear movement of the second spindle (22) relative to the first spindle (21) when rotating the second spindle (22) relative to the first spindle (21) in order to select either a first operation mode or a second operation mode for the thermostatic mixing valve.

The cartridge comprises a casing (10) inserted in one piece into a fitting body (3), as well as a thermostatic element (30) that controls the position of a slide (20) for regulating the temperature of a mixed fluid formed by mixing hot and cold fluid in a chamber (11) of the casing. The cartridge comprises a turbine (50) supported by the casing and arranged in the chamber in such a way that it is driven in rotation about an axis (XX) of the chamber by the mixed fluid flowing in the chamber to a mixed fluid outlet (14).The cartridge contains at least one permanent magnet (60) carried by the turbine so as to be driven to rotate about the axis together with the turbine, and at least one coil (70) fixedly arranged on an outer side (10A) of the shell through which the hot and cold fluids enter the chamber, so that the magnet in the coil generates an electric current by electromagnetic induction when the turbine rotates.

A heat dissipation member (100) includes a laminated body (100L) including a plurality of composite material layers having fiber orientations. The laminated body (100L) has a roll shape obtained by rolling up a plate-like body, includes at least two composite material layers having different fiber orientations, and has an arrangement of the fiber orientations of the plurality of composite material layers, the fiber orientations being arranged asymmetrically in a laminating direction. The laminated body (100L) autonomously changes its shape from the roll shape along with thermal expansion and thermal contraction occurring in a temperature change of the inside of the heat dissipation member (100). The laminated body (100L) in the roll shape extends in a -Y direction from the roll shape, as one change in the shape thereof.

A flow rate adapter includes an enclosure defining an interior, a first partition separating the interior into first and second chambers, a second partition separating the interior into third and fourth chambers, and a flexible diaphragm separating the second and third chambers. Each chamber is fluidly isolated from one another. The second and third chambers are positioned between the first and fourth chambers with the second chamber being positioned adjacent to the first chamber and the third chamber being positioned adjacent to the fourth chamber. The second and third chambers are positioned adjacent to one another. The flow rate adapter includes a gate coupled with the flexible diaphragm. A temperature gradient between working fluid flowing through the first and fourth chambers causes the flexible diaphragm to flex, which moves the gate within the fourth chamber to control the flow rate of the working fluid.

Provided is a thermostat device that can minimize the spread of legs of a housing and that can inhibit deterioration in mountability. This thermostat device is provided with: a housing 1 having a valve seat formed thereinside; a thermo-element 17 having one end inserted inside the housing 1; a valve body 15 that is seated on or separated from the valve seat by the extension / contraction motion of the thermo-element 17; a coil spring 16 that biases the valve body 15 toward the valve seat; and a frame 19 that supports one end of the coil spring 16. The housing 1 has a hollow body part 20 which has an opening 20c at one end thereof and which has the valve seat formed thereinside; a pair of legs 21, 21 which stand from the opening edge of the body part 20 and which have the frame 19 hooked on the leading ends thereof; and ribs 22 which are provided at the opening edge and which are contiguous to respective two sides of roots of the legs 21. The outer surface of each of the legs 21 is formed in an arc-shape, and the outer surface of each of the ribs 22 is curved or inclined so as to extend from the outer surface of the corresponding leg 21 toward the inner side of a circle which connects the outer surfaces of the pair of legs 21, 21. (Translation by WIPO)

The energy consumption of the temperature control system can be reduced. The flexible pipe (13) comprises a metal corrugated pipe (130) and an inner pipe (131). The inner tube (131) is disposed on the inside of the bellows (130), and the inside surface on which the fluid flows is smooth. The inside surface of the inner tube (131) over which the fluid flows may be smoother than the surface of the woven body. In addition, the inner tube (131) may be formed from, for example, an electrically conductive material. In addition, the inside of the inner tube (131) through which the fluid flows may be coated with a conductive coating film.

The heat medium supply device (1) of the present application is provided with: a precooling heat medium supply pipe (41) branching from a heating-side return pipe (25) and extending to a precooling heat exchanger (40); and a precooling heat medium return pipe (42) extending from the precooling heat exchanger (40) and connected to the heating-side return pipe (25). The branching point (B1) at which the precooling heat medium supply pipe (41) branches from the heating-side return pipe (25) is located on the upstream side of the heating device (7), and the heat medium before being heated by the heating device (7) is supplied to the precooling heat exchanger (40). The connection point (C1) at which the precooling heat medium return pipe (42) is connected to the heating-side return pipe (25) is located on the upstream side of the heating device (7), and the heat medium passing through the precooling heat exchanger (40) is supplied to the heating device (7) through the heating-side return pipe (25).

The invention relates to a valve upper part for a sanitary fitting, in particular a shower or tub fitting, having a head piece (1) which is penetrated by a spindle (3) which is arranged in the head piece (1) in a rotatable but axially fixed manner and is connected to the valve element which can be controlled via the spindle (3), wherein means for limiting, in a surmountable manner, the maximum rotational angle of the spindle (3) are provided, and wherein the means comprise at least one spring-mounted blocking element which, when the spindle (3) is in a defined angular position, engages in a recess arranged in the spindle (3) or in the head piece.

The utility model discloses a high-sealing electricity-free physical constant-humidity purification storage cabinet which comprises a main cabinet body and a cabinet door. An accommodating cavity is formed in the main cabinet body, and a doorway communicated with the accommodating cavity is formed in the front side of the main cabinet body; the cabinet door can be arranged on the main cabinet body in a way of opening or closing a door opening; the cabinet door is of an up-and-down push-and-pull structure, and does not occupy aisles and external space when being opened, so that the overall layout of equipment in the storehouse is increased, and more cultural relics can be stored in the storehouse; and an automatic humidifying and purifying material bag for keeping constant humidity and air quality in the accommodating cavity is arranged in the accommodating cavity. By adopting the automatic humidifying and purifying material bag, the dependence on electric power is completely eliminated, and the storage cabinet can still keep a constant-humidity state and stably operate under the condition of no external electric power supply, so that the storage cabinet can be used in an environment with unstable electric power or lack of electric power; due to the fact that electric driving is not needed, energy consumption is remarkably reduced, operation cost is reduced, and meanwhile the modern environment-friendly requirement is met.

The present invention relates to an electronic mixer cartridge (1) for mixer taps, the cartridge being intended to be attached to an operating handle having interface means and an electronic control board (26). The mixer cartridge is provided with temperature detection means consisting of a temperature probe (8) which is configured to take direct water temperature readings and is attached to an electronic board (9) arranged in a housing provided in the base (3), the base (3) being linked to the ceramic discs and being located inside the bottom of the main housing, the base (3) having a hole through which the temperature probe (8) protrudes, such that the temperature probe is in direct contact with the flow of mixed water. In addition, sealing means are provided which are configured to prevent the flow of mixed water from coming into contact with the electronic board (9).

A gas-fired cooking grill and a gas valve assembly for a gas-fired cooking grill are provided. The grill includes a cooking chamber, a plurality of gas burners for heating the cooking chamber, a plurality of first valves each to control flow of a combustible gas to a respective one of the gas burners, a gas intake to receive the combustible gas from a combustible gas source, and a second valve comprising a thermostatic valve portion, the second valve disposed intermediate the gas intake and plurality of first valves and in fluid communication therewith, the second valve configured to receive input from a user for selection between a first cooking mode and a second cooking mode, the second valve routing the combustible gas from the gas intake to the plurality of first valves in the first cooking mode and routing the combustible gas from the gas intake to the thermostatic valve portion in the second cooking mode, the thermostatic valve portion selectively routing the combustible gas to a subset of the gas burners based on a comparison of a desired temperature and an actual temperature of the cooking chamber.

A gas turbine engine inlet anti-icing system includes an air supply conduit, a flow control valve, a pneumatic valve actuator, and a mechanical thermostat. The air supply duct has an inlet to receive pressurized air and an outlet coupled to an ice flow prevention duct formed within an inlet portion of the gas turbine engine. A flow control valve is disposed within the air supply conduit between the inlet and the outlet, and is movable to a valve position between a closed position and a plurality of open positions. A pneumatic valve actuator moves the flow control valve between a closed position and a plurality of open positions in response to a pneumatic control pressure. The mechanical thermostat controls the pneumatic control pressure in response to the temperature within the ice flow prevention conduit, thereby controlling the temperature of air in the ice flow prevention conduit.

The invention relates to a cartridge which comprises a casing to be fitted integrally in a tap body, as well as a thermostatic element controlling the position of a slide valve for regulating the temperature of a mixed fluid formed by mixing hot and cold fluids in a chamber of the casing. The cartridge comprises a turbine supported by the casing by being arranged in the chamber so as to be rotated about an axis of the chamber by the mixed fluid flowing in the chamber towards a mixed fluid outlet. The cartridge incorporates at least one permanent magnet, supported by the turbine so as to be rotated about the axis together with the turbine, and at least one coil fixedly arranged on an outer face of the casing through which the hot and cold fluids enter the chamber, so that the magnet generates an electric current in the coil by electromagnetic induction when the turbine rotates.

A thermostatic control device according to the present disclosure is configured to control the flow of coolant fluid from a reservoir through a heat exchanging circuit and / or a bypass back to a cooling circuit pump. The device controls the flow of coolant fluid based on temperature of the coolant fluid at the device. The thermostatic control device includes a thermostatic valve with notches that allow metered flow of coolant fluid to the heat exchanging circuit during opening of the thermostatic valve.

It has a heat exchanger (12), the heat exchanger (12) has a pipe (14) for carrying a cooling medium, the pipe (14) is connected to a plurality of cooling fins (10) of the heat exchanger (12), has a fan (8) for conveying a volumetric air flow, has a heating device (16) for defrosting the heat exchanger (12), has a photographic imaging device (20), and has a control unit (22), the control unit (22) is set to detect the frozen state of the heat exchanger (12) and determine a defrosting time based on the evaluation of a first photographic image (56), the control unit (22) is set to control a defrosting operation performed by the heating device (16) based on the evaluation of a second photographic image (68), and the evaluation of the first photographic image (56) is different from the evaluation of the second photographic image (68).

A flow rate adapter includes an enclosure defining an interior, a first partition separating the interior into first and second chambers, a second partition separating the interior into third and fourth chambers, and a flexible diaphragm separating the second and third chambers. Each chamber is fluidly isolated from one another. The second and third chambers are positioned between the first and fourth chambers with the second chamber being positioned adjacent to the first chamber and the third chamber being positioned adjacent to the fourth chamber. The second and third chambers are positioned adjacent to one another. The flow rate adapter includes a gate coupled with the flexible diaphragm. A temperature gradient between working fluid flowing through the first and fourth chambers causes the flexible diaphragm to flex, which moves the gate within the fourth chamber to control the flow rate of the working fluid.

A method of anti-freezing protection of a fluid pipe, comprising forming a valve assembly (1) connecting, in mutual fluid communication, a thermostatic anti-freezing valve (2) responsive to a fluid temperature of a fluid in contact with the anti-freezing valve (2) itself, a thermostatic valve (3) responsive to an ambient temperature outside the valve assembly (1), making in the valve assembly (1) an inlet opening (5), a discharge opening (6) in communication with the inlet opening (5), and a first and only fluid communication (8) between the inlet opening (5) and the discharge opening (6), connecting the inlet opening (5) of the valve assembly (1) to the fluid pipe so that a fluid from the fluid pipe enters the valve assembly (1), using the anti-freezing valve (2) to open and close the discharge opening (6) automatically depending on the fluid temperature, using the thermostatic valve (3) to automatically open and close, depending on the ambient temperature, the first and only fluid communication (8) between the inlet opening (5) and the discharge opening (6), using a knob (21) of the thermostatic valve (3) to manually close and / or open the first fluid communication (8), regardless of the ambient temperature.

Thermostatic head for a flow control valve in a heating system, comprising a base body (2) provided with connection means (3) to the valve, a knob (4) exposed to an external environment and rotatable with respect to the base body (2) so as to set a pre-regulation temperature, and a thermosensitive element (5) at least partially inserted into the knob (4) and in fluidic communication with the external environment, the thermosensitive element (5) being configured to exert a thrust on the valve as a function of the temperature of the external environment and the pre-regulation temperature, characterized by comprising an intermediate body (6) rigidly coupled to the thermosensitive element (5), prismatically coupled to the knob (4) and helically coupled to the base body (2), the knob (4) being axially fixed with respect to the base body (2).