CN105508711A - Pressure/temperature water adjustment valve, water heater water adjustment device and water/gas dual-adjustment intelligent constant-temperature water heater - Google Patents
Pressure/temperature water adjustment valve, water heater water adjustment device and water/gas dual-adjustment intelligent constant-temperature water heater Download PDFInfo
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- CN105508711A CN105508711A CN201610012498.2A CN201610012498A CN105508711A CN 105508711 A CN105508711 A CN 105508711A CN 201610012498 A CN201610012498 A CN 201610012498A CN 105508711 A CN105508711 A CN 105508711A
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- water
- spring
- pressure
- temperature
- spring seat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The invention discloses a pressure/temperature water adjustment valve, a water heater water adjustment device and a water/gas dual-adjustment intelligent constant-temperature water heater. The pressure/temperature water adjustment valve comprises a valve main body and a hydraulic adjusting mechanism, wherein the valve main body is provided with a valve cavity; the hydraulic adjusting mechanism is arranged in the valve cavity; the hydraulic adjusting mechanism comprises a memory elastic unit for sensing the hydraulic change to deform, and a first spring seat connected to one end of the memory elastic unit; and the memory elastic unit drives the first spring seat to adjust the cavity size, so that the output hydraulic pressure is kept stable. The pressure/temperature water adjustment valve can implement bidirectional adjustment on water and gas, is simple, practical, stable and efficient, implements brand-new experiences of constant temperature of effluent water, and has the characteristics of simple structure, high safety and reliability, stable operation and constant temperature adjustment. Therefore, the pressure/temperature water adjustment valve, water heater water adjustment device and water/gas dual-adjustment intelligent constant-temperature water heater are products with outstanding performance in technicality and economical efficiency.
Description
[technical field]
The present invention relates to a kind of pressure water adjusting valve;
The invention still further relates to a kind of temperature water adjusting valve;
The invention still further relates to a kind of water heater water regulator adopting temperature water adjusting valve or pressure water adjusting valve;
The invention still further relates to a kind of aqueous vapor two tune intelligent constant-temperature water heater adopting above-mentioned water adjusting valve.
[background technique]
Current gas water-heater is the technology adopting constant temperature machine mostly.Intelligent constant temperature gas water heater, more generally, according to the signal of water flow sensor, and the water-exit temperature of setting, regulated the gas flow entering burner by Proportional valve, thus reach the object of effluent temperature constancy; One is also had to be, at feed-water end, to be fitted together with water flow sensor, also has the water transportation device of an electromechanical control one: when water flow is too large, when the underload of water heater is with the water temperature of satisfied setting, pass through water transportation device, automatically water flow is lowered, realize the object of constant temperature water supply.
The former is when water-outlet quantity is large, and due to the unadjustable or inconvenient adjustment of front end water supply, even if Proportional valve reaches maximum, burner standard-sized sheet, does not reach the water temperature of setting yet; The latter, when water-outlet quantity is large, can reduce the water supply flow of front end automatically, makes water-exit temperature reach the value of setting.
Make a general survey of above two kinds of situations, a water yield cannot regulate, and some situation cannot constant temperature; A water flow controls electromechanical, though can realize the two tune of aqueous vapor, ensure constant temperature, electromechanical control is limited for working life, and rate of fault is high.So, can realize in the urgent need to one that aqueous vapor is two to be adjusted, again can practicality easy and simple to handle, aqueous vapor stable and reliable for performance regulates new departure.Patent of the present invention is exactly the satisfactory solution meeting this requirement.
[summary of the invention]
Object of the present invention technical problem to be solved be a kind of pressure or warm water adjusting valve and water heater water regulator will be provided, aqueous vapor is two adjusts intelligent constant-temperature water heater; Be applied to the using process of gas constant-temp. water heater, it can realize bidirectional modulation to water, gas, easy, practical, stable, efficient, realizes out the complete new experience of water termostat, has the feature that structure is simple, safe and reliable, stable and temperature adjustment is constant simultaneously.
To achieve these goals, the technical solution used in the present invention: a kind of pressure water adjusting valve, it comprises: valve body; It has valve pocket;
Hydraulic pressure controlling mechanism; It is installed in valve pocket, and hydraulic pressure controlling mechanism comprises the memory elasticity unit be out of shape for responding to variation in water pressure, is connected to first spring seat of memory elasticity unit one end; Memory elasticity unit drives the first spring seat to make adjustment chamber size variation, stablizes to make the maintenance of output hydraulic pressure.
In one or more embodiment of the present invention, memory elasticity unit is memory spring, between spring stack and thimble near or away from shift action change to make Flow-rate adjustment chamber; Have the gap of supplying water and flowing through between thimble and spring stack, the pressure of current delivery pressure and memory elasticity unit balances each other.
In one or more embodiment of the present invention, memory elasticity unitary elasticity is held between the first spring seat and the second spring seat, and the second spring seat is connected to thimble seat; Spring stack is connected to the first spring seat, and the inner chamber of spring stack has the oral area opened wide to thimble direction, and thimble enters into inner chamber through oral area; Thimble is cone-shaped; Memory elasticity unit makes the first spring seat move relative to the second spring seat according to the change of pressure, and cavity volume is changed to reach water pressure invariableness.
Under same design, the present invention also provides a kind of temperature water adjusting valve, and it comprises:
Valve body; It has valve pocket;
Hydraulic pressure controlling mechanism; It is installed in valve pocket, and hydraulic pressure controlling mechanism comprises the memory spring for responding to water temperature change and distortion, is connected to first spring seat of memory spring one end; The change of memory spring induction water temperature and change that shape occurs changes Flow-rate adjustment chamber size to drive the first spring seat, stablizes to make the maintenance of output water flow.
In one or more embodiment of the present invention, the change of Flow-rate adjustment chamber come between spring stack and thimble near or away from the gap passed through to regulate current of shift action, the pressure of current delivery pressure and memory elasticity unit balances each other, thus keeps water flow constant.
In one or more embodiment of the present invention, the head end of valve body has at least one closure gasket groove and draw-in groove; Closure gasket groove and draw-in groove interval are arranged, and its tail end has connecting base portion.
Under same design, the present invention also provides a kind of water regulator of water heater, it is characterized in that: it comprise there is water flow sensing connecting tube, connecting tube one end connect water supply connector, the other end connect water adjusting valve, water adjusting valve is the warm water adjusting valve of pressing in such scheme in water adjusting valve or such scheme.
In one or more embodiment of the present invention, connecting tube and the clamping of warm water adjusting valve phase; Valve pocket comprises first order chamber that diameter ladder becomes large, chamber, the second level and third level chamber, is formed and seal between thimble seat dress with third level cavity wall; Thimble seat load connects the second spring seat, and memory spring connects between the first spring seat and the second spring seat, and it is movable that the first spring seat is positioned at chamber, the second level.
In one or more embodiment of the present invention, linking springs post in the middle part of the first spring seat, memory spring is helical spring, and spring stack is through at helical spring inner chamber; Spring stack is hollow structure, and its sidewall being positioned at chamber, the second level is provided with through hole.
Under same inventive concept, the present invention also provides that a kind of aqueous vapor is two adjusts intelligent constant-temperature water heater, and it comprises in such scheme the water regulator of the water heater of pressing in warm water adjusting valve in water adjusting valve or such scheme or such scheme.
The present invention compares produced beneficial effect with background technique:
Owing to adopting above-mentioned technological scheme, install a hydraulic drives device based on memory spring at feed-water end, this spring produces the change of expanding with heat and contract with cold with the change of ambient temperature, its variable quantity and the temperature difference linear.Because memory spring is limited between forward and backward spring seat, its maximum total length is constant, and difference is the difference of pre compressed magnitude, temperature raises, spring helix length becomes large, and precompression quantitative change is large, and spring is hardening, front spring seat stroke diminishes, gap between spring stack and thimble becomes large, and current quantitative change is large, thus water-exit temperature is declined, return the temperature of setting, vice versa.Be applied to the using process of gas constant-temp. water heater, it can realize bidirectional modulation to water, gas, easy, practical, stable, efficient, realizes out the complete new experience of water termostat, has the feature that structure is simple, safe and reliable, stable and temperature adjustment is constant simultaneously.Therefore, it is the product that a kind of technical and equal tool of Economy gives prominence to superior function.
[accompanying drawing explanation]
Fig. 1 is the perspective view of the water regulator of water heater in one embodiment of the present invention;
Fig. 2 is the cross-sectional view of the water regulator of water heater in one embodiment of the present invention;
Fig. 3 is the cross-sectional view of water adjusting valve in one embodiment of the present invention;
Fig. 4 is the cross-sectional view of pressing water adjusting valve in one embodiment of the invention.
[embodiment]
In describing the invention, it should be noted that, for the noun of locality, if any term " " center ", " transverse direction ", " longitudinal direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", indicating positions such as " counterclockwise " and position relationship are based on orientation shown in the drawings or position relationship, only for the ease of describing the present invention and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with particular orientation structure and operation, restriction concrete protection domain of the present invention can not be interpreted as.
In addition, if any term " first ", " second " only for describing object, and instruction or hint relative importance can not be interpreted as or imply the quantity indicating technical characteristics.Thus, be limited with " first ", " second " feature can express or implicit comprise one or more this feature, in the present description, the implication of " at least " is one or more, unless otherwise expressly limited specifically.
In the present invention, except as otherwise clear stipulaties and restriction, should go to understand as broad sense if any term " assembling ", " being connected ", " connection " term, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Also can be mechanical connection; Can be directly be connected, also can be connected by intermediary, can be that two element internals are connected.For those of ordinary skills, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In invention, unless otherwise prescribed and limit, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise fisrt feature and second feature and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " under " and " above " comprise fisrt feature directly over second feature and oblique upper, or be only represent the height of fisrt feature level height higher than second feature.Fisrt feature second feature " on ", " under " and " below " comprise fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is lower than second feature.
Below in conjunction with the accompanying drawing of specification, by being further described the specific embodiment of the present invention, make technological scheme of the present invention and beneficial effect thereof clearly, clearly.Be exemplary below by embodiment is described with reference to the drawings, be intended to explain the present invention, and can not limitation of the present invention be interpreted as.
For ease of understanding and describing, please refer to shown by Fig. 1-3, it also provides a kind of water regulator of water heater for the present invention, can be applicable to that aqueous vapor is two adjusts intelligent constant-temperature water heater.It comprises connecting tube 1, water flow sensing 2 and water adjusting valve 3 and is formed by connecting, and connecting tube 1 one end connects water supply connector 4, and the other end connects water adjusting valve 3.
Connecting tube 1 and water adjusting valve 3 can adopt the clamping of U-shaped clamp 5 phase; Water adjusting valve 3 hollow structure forms valve pocket, and valve pocket comprises first order chamber 31 that diameter ladder becomes large, chamber, the second level 32 and third level chamber 33, and thimble seat 34 fills and is provided with seal ring 6 seals to be formed between the inwall of third level chamber 33; Thimble seat fills 34 connection second spring seats 35, and memory spring connects between the first spring seat 36 and the second spring seat 35, and it is movable that the first spring seat 36 is positioned at chamber, the second level 32.
Linking springs post 37 in the middle part of first spring seat 36, memory spring 38 is helical spring, and spring stack 37 is through at helical spring inner chamber; Spring stack 37 has hollow cavity, and the sidewall that spring stack 37 is positioned at chamber, the second level is provided with through hole 371.Thimble seat 34 is provided with thimble 39, and thimble 39 can be made into cone-shaped, and thimble 39 coordinates the flow changing current process to adjust with hollow cavity.
Be applied in embodiment that aqueous vapor is two to be adjusted the principle of the water transfer principle in intelligent constant-temperature water heater to can be memory spring can to produce the change of expanding with heat and contract with cold with the change of ambient temperature, and its change is proportionate with the change of temperature and is; When the temperature increases, memory spring is elongated, and because spring is limited between forward and backward spring seat, extreme length is constant, and now spring is hardening, and pressure becomes large; Vice versa; That is, delivery pressure only with the pressure of spring, namely there is positively related function relation in temperature.When ambient temperature is higher, when locating summer time such as, memory spring is elongated, and spring is hardening, under effect of water pressure is carried out in front end, first spring seat 36 related spring stack 37 stroke diminishes, compared with when this is lower with ambient temperature, water flow is bigger than normal, under identical heat load, the temperature rise of current is less than normal, meets the requirement that temperature rise in summer is little.Vice versa.
Regulating the qi flowing in the channels principle is exactly the change of the detected temperatures by means of water flow sensor 2, and during temperature height, suitably reduce gas supply amount by controller to burning air feed Proportional valve, to reach the optimal proportion of burning to regulate water temperature, when temperature is low, vice versa.This regulating the qi flowing in the channels principle combines with the principle of above-mentioned water adjusting valve, and to be formed, aqueous vapor is two to be adjusted; Reach the constant temperature water supply of water-exit temperature.Concrete controller can adopt single-chip microcomputer, and its concrete circuit and implementation obtain for it will be appreciated by those skilled in the art that, are not described further.
Combine accompanying drawing 4 in conjunction with the above embodiments, a kind of pressure water adjusting valve can be applied in above-described embodiment and other embodiment, the hydraulic pressure controlling mechanism 30 that it comprises valve body 10 and is installed in the valve pocket 20 of valve body 10, wherein, valve body 1.There is valve pocket 20; The head end of valve body 10 has at least one closure gasket groove 101 and draw-in groove 102; Closure gasket groove 101 and draw-in groove 102 interval are arranged, and its tail end has connecting base portion 103.Hydraulic pressure controlling mechanism 30 is installed in valve pocket 20, and hydraulic pressure controlling mechanism 30 comprises the memory elasticity unit 301 be out of shape for responding to variation in water pressure, is connected to first spring seat 302 of memory elasticity unit 301 one end; Memory elasticity unit 301 senses that the change of hydraulic pressure makes adjustment chamber 303 size variation to drive the first spring seat 302 action in real time, stablizes to make the maintenance of output hydraulic pressure.
Memory elasticity unit 301 is memory spring, the change of the adjustment chamber 303 of water flow come between spring stack 304 and thimble 305 near or away from shift action; The gap 306 that having between thimble 305 and spring stack 304 supplies water flows through, the pressure of current delivery pressure and memory elasticity unit balances each other.
Memory elasticity unit 301 is flexibly supported between the first spring seat 302 and the second spring seat 307, and the second spring seat 307 is connected to thimble seat 308; Spring stack 304 is connected to the first spring seat 302, and the inner chamber of spring stack 304 has the oral area opened wide to thimble 305 direction, and thimble 305 enters into inner chamber through oral area; Thimble 305 can in cone-shaped; Memory elasticity unit 301 makes the first spring seat 302 move relative to the second spring seat 208 according to the change of pressure, and cavity volume is changed to reach water pressure invariableness.
Above-mentioned pressure water adjusting valve can be applicable to aqueous vapor couple tune intelligent constant-temperature water heater or other hot-water heating system, or other fluid flow devices use, and application is wide, tune hydraulic pressure is accurate, structure is simply practical.
Combine the above embodiments and in the lump in conjunction with institute's drawings attached, in above-described embodiment and other embodiment, the present embodiment provides a kind of temperature water adjusting valve, its structure substantially can be identical with pressing water adjusting valve in above-described embodiment or close; Difference is: the memory spring that memory elasticity unit 301 adopts water temperature to respond to, it can respond to the change of water temperature in real time and change that shape occurs changes Flow-rate adjustment chamber size to drive the first spring seat, to make the maintenance of output water flow stablize, thus realize constant temperature output.
In the description of specification, the description of reference term " embodiment ", " preferably ", " example ", " concrete example " or " some examples " etc. means the specific features, structure, material or the feature that describe in conjunction with this embodiment or example, be contained at least one embodiment of the present invention or example, the schematic representation in this manual for above-mentioned term not necessarily refers to identical embodiment or example.And the specific features of description, structure, material or feature can combine in a suitable manner in any one or more embodiment or example.
By the description of above-mentioned structure and principle; person of ordinary skill in the field is to be understood that; the present invention is not limited to above-mentioned embodiment; basis of the present invention adopts the improvement of techniques well known and substitutes and all drop on protection scope of the present invention, should be limited it by each claim.
Claims (10)
1. press a water adjusting valve, it is characterized in that, it comprises: valve body; It has valve pocket;
Hydraulic pressure controlling mechanism; It is installed in described valve pocket, and described hydraulic pressure controlling mechanism comprises the memory elasticity unit be out of shape for responding to variation in water pressure, is connected to first spring seat of memory elasticity unit one end; Described memory elasticity unit drives described first spring seat to make adjustment chamber size variation, stablizes to make the maintenance of output hydraulic pressure.
2. pressure water adjusting valve according to claim 1, is characterized in that: described memory elasticity unit is memory spring, between spring stack and thimble near or away from shift action change to make described Flow-rate adjustment chamber; Have the gap of supplying water and flowing through between described thimble and described spring stack, the pressure of current delivery pressure and memory elasticity unit balances each other.
3. pressure water adjusting valve according to claim 1 and 2, is characterized in that: described memory elasticity unitary elasticity is held between the first spring seat and the second spring seat, and described second spring seat is connected to thimble seat; Described spring stack is connected to the first spring seat, and the inner chamber of spring stack has the oral area opened wide to described thimble direction, and described thimble enters into inner chamber through described oral area; Described thimble is cone-shaped; Described memory elasticity unit makes the first spring seat move relative to the second spring seat according to the change of pressure, and described cavity volume is changed to reach water pressure invariableness.
4. a warm water adjusting valve, is characterized in that, it comprises: valve body; It has valve pocket;
Hydraulic pressure controlling mechanism; It is installed in described valve pocket, and described hydraulic pressure controlling mechanism comprises the memory spring for responding to water temperature change and distortion, is connected to first spring seat of memory spring one end; The change of described memory spring induction water temperature and change that shape occurs changes Flow-rate adjustment chamber size to drive the first spring seat, stablizes to make the maintenance of output water flow.
5. a temperature water adjusting valve according to claim 4, it is characterized in that: the change of described Flow-rate adjustment chamber come between spring stack and thimble near or away from the gap passed through to regulate current of shift action, the pressure of current delivery pressure and memory elasticity unit balances each other, thus keeps water flow constant.
6. a temperature water adjusting valve according to claim 5, is characterized in that: the head end of described valve body has at least one closure gasket groove and draw-in groove; Described closure gasket groove and draw-in groove interval are arranged, and its tail end has connecting base portion.
7. the water regulator of a water heater, it is characterized in that: it comprises the connecting tube with water flow sensing, described connecting tube one end connects water supply connector, the other end connects water adjusting valve, the pressure water adjusting valve of described water adjusting valve according to any one of claim 1-3 or temperature water adjusting valve according to claim 4.
8. the water regulator of water heater according to claim 7, is characterized in that: described connecting tube and the clamping of warm water adjusting valve phase; Valve pocket comprises first order chamber that diameter ladder becomes large, chamber, the second level and third level chamber, is formed and seal between thimble seat dress with third level cavity wall; Thimble seat load connects the second spring seat, and memory spring connects between the first spring seat and the second spring seat, and it is movable that described first spring seat is positioned at chamber, the second level.
9. the water regulator of water heater according to claim 8, is characterized in that: linking springs post in the middle part of described first spring seat, and described memory spring is helical spring, and described spring stack is through at described helical spring inner chamber; Described spring stack is hollow structure, and its sidewall being positioned at chamber, the second level is provided with through hole.
10. aqueous vapor is two adjusts an intelligent constant-temperature water heater, it is characterized in that, it comprises the water regulator of water heater described in pressure water adjusting valve according to any one of requirement 1-3 or temperature water adjusting valve according to claim 4 or claim 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012498.2A CN105508711A (en) | 2016-01-05 | 2016-01-05 | Pressure/temperature water adjustment valve, water heater water adjustment device and water/gas dual-adjustment intelligent constant-temperature water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012498.2A CN105508711A (en) | 2016-01-05 | 2016-01-05 | Pressure/temperature water adjustment valve, water heater water adjustment device and water/gas dual-adjustment intelligent constant-temperature water heater |
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| Publication Number | Publication Date |
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| CN105508711A true CN105508711A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610012498.2A Pending CN105508711A (en) | 2016-01-05 | 2016-01-05 | Pressure/temperature water adjustment valve, water heater water adjustment device and water/gas dual-adjustment intelligent constant-temperature water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224610A (en) * | 2016-09-18 | 2016-12-14 | 重庆科技学院 | A kind of fluid feed flow is automatically adjusted permanent flow valve |
| CN109236614A (en) * | 2018-11-01 | 2019-01-18 | 南京尚爱机械制造有限公司 | A kind of thermostat valve of piston compressor control cylinder cooling water flow |
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| JPS57208375A (en) * | 1981-06-16 | 1982-12-21 | Matsushita Electric Ind Co Ltd | Drain valve |
| CN202769023U (en) * | 2012-09-21 | 2013-03-06 | 浙江华地电子有限公司 | Automatic adjustment mechanism of memory alloy water-carrying capacity sensor |
| CN202812360U (en) * | 2012-08-29 | 2013-03-20 | 青岛经济技术开发区海尔热水器有限公司 | Flow regulating device and water flow sensor and gas water heater |
| CN203131142U (en) * | 2013-01-23 | 2013-08-14 | 台州博路电子技术有限公司 | Flow regulating valve |
| CN203363392U (en) * | 2013-06-18 | 2013-12-25 | 广东长青（集团）股份有限公司 | Temperature control valve of gas warming stove |
| CN204358164U (en) * | 2014-12-10 | 2015-05-27 | 广东超人节能厨卫电器有限公司 | A kind of realizing automatic regulation of gas mechanism of constant temperature gas water-heater |
| JP5739402B2 (en) * | 2012-12-12 | 2015-06-24 | リンナイ株式会社 | Thermal valve |
| CN205578874U (en) * | 2016-01-05 | 2016-09-14 | 李国兵 | Pressure or temperature water transfer valve and water heater water transfer ware, bitonic intelligent constant -temperature water heater of aqueous vapor |
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2016
- 2016-01-05 CN CN201610012498.2A patent/CN105508711A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS57208375A (en) * | 1981-06-16 | 1982-12-21 | Matsushita Electric Ind Co Ltd | Drain valve |
| CN202812360U (en) * | 2012-08-29 | 2013-03-20 | 青岛经济技术开发区海尔热水器有限公司 | Flow regulating device and water flow sensor and gas water heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224610A (en) * | 2016-09-18 | 2016-12-14 | 重庆科技学院 | A kind of fluid feed flow is automatically adjusted permanent flow valve |
| CN109236614A (en) * | 2018-11-01 | 2019-01-18 | 南京尚爱机械制造有限公司 | A kind of thermostat valve of piston compressor control cylinder cooling water flow |
| CN109236614B (en) * | 2018-11-01 | 2023-10-17 | 南京尚爱机械制造有限公司 | Temperature control valve for controlling cooling water flow of cylinder of piston compressor |
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