CN102788173B - Self-adaptive gas pressure reducing valve - Google Patents
Self-adaptive gas pressure reducing valve Download PDFInfo
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- CN102788173B CN102788173B CN201210300273.9A CN201210300273A CN102788173B CN 102788173 B CN102788173 B CN 102788173B CN 201210300273 A CN201210300273 A CN 201210300273A CN 102788173 B CN102788173 B CN 102788173B
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- gas
- safety ignitor
- push rod
- blast tube
- seal ring
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Abstract
The invention discloses a self-adaptive gas pressure reducing valve, which comprises a valve body, wherein a gas outlet joint, a gas inlet joint and a gas channel are arranged on the valve body, and the gas outlet joint and the gas inlet joint are respectively arranged at two ends of the gas channel. The self-adaptive gas pressure reducing valve is simple in structure and convenient to use, and can be suitable for gas with different calorific values.
Description
Technical field
The present invention relates to a kind of self-adapting type gas pressure-reducing valve.
Background technique
the gas pressure-reducing valve of present stage, single valve body can only be applicable to the combustion gas that uses calorific value, when needing to change the combustion gas doing other, needing to change valve body, wasting time and energy, be inconvenient to use.
Summary of the invention
Due to the above-mentioned shortcoming of prior art, the present invention proposes a kind of self-adapting type gas pressure-reducing valve, and it effectively can solve the above-mentioned shortcoming of prior art.
The present invention is by the following technical solutions:
A kind of self-adapting type gas pressure-reducing valve, it is characterized in that, it comprises valve body, described valve body is provided with gas outlet joint, gas inlet joint, described valve inner is provided with blast tube, described blast tube comprises air-inlet cavity, epithelium chamber and regulates chamber, and the two ends of described blast tube are located at respectively by described gas outlet joint and described gas inlet joint;
Air intake assembly, it comprises the jacking block be located in air-inlet cavity, the first elastic component, the first Sealing, described jacking block one end and described air-inlet cavity are offseted by the first elastic component, and the described jacking block the other end and described gas inlet joint offset, the disconnection whether being controlled described air-inlet cavity and described gas inlet joint by described jacking block and described gas inlet junction contacts be communicated with;
Gas pressure-reducing valve assembly, it comprises the second elastic component, pressure regulation bolt, seal ring, epithelium chamber, epithelium, seal ring, valve gap, described second elastic component is placed in described valve gap, and described second elastic component one end and described epithelium hinged, described epithelium periphery is fixed on described valve gap, and one end of described epithelium and described pressure regulation bolt is hinged, the other end of described pressure regulation bolt is placed in described adjustment chamber, described seal ring is provided with the described pressure regulation bolt place of coupling in described adjustment chamber, the disconnection whether being controlled described epithelium chamber and described adjustment chamber by described pressure regulation bolt and the contact of described seal ring be communicated with.
As optimal technical scheme:
Also comprise safety ignitor assembly, it comprises: safety ignitor gas inlet joint, safety ignitor gas outlet joint, safety ignitor blast tube, described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located on described valve body, and the two ends of described safety ignitor blast tube are located at respectively by described safety ignitor gas inlet joint and described safety ignitor gas outlet joint;
First push rod, described first push rod one end is offseted by one the 3rd elastic component and described jacking block, and the other end of described first push rod is in described safety ignitor blast tube;
Second push rod, described second push rod is in described safety ignitor blast tube, and described second push rod and described first push rod offset;
Second seal ring, described second seal ring is fixed on one end of described second push rod, and the disconnection whether being controlled described safety ignitor blast tube by described second seal ring and the contact of described safety ignitor blast tube be communicated with.
Described gas pressure-reducing valve assembly and described safety ignitor assembly are equipped with two groups, and gas pressure-reducing valve assembly shared gas air outlet adapter described in two groups, and safety ignitor assembly described in two groups shares safety ignitor gas inlet joint.
A kind of gas valve, it comprises valve body, it comprises valve body, described valve body is provided with gas outlet joint, gas inlet joint, described valve inner is provided with blast tube, described blast tube comprises air-inlet cavity, epithelium chamber and regulates chamber, and the two ends of described blast tube are located at respectively by described gas outlet joint and described gas inlet joint;
Air intake assembly, it comprises the jacking block be located in air-inlet cavity, the first elastic component, the first Sealing, described jacking block one end and described air-inlet cavity are offseted by the first elastic component, and the described jacking block the other end and described gas inlet joint offset, the disconnection whether being controlled described air-inlet cavity and described gas inlet joint by described jacking block and described gas inlet junction contacts be communicated with;
Safety ignitor gas inlet joint, safety ignitor gas outlet joint, safety ignitor blast tube, described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located on described valve body, and the two ends of described safety ignitor blast tube are located at respectively by described safety ignitor gas inlet joint and described safety ignitor gas outlet joint;
First push rod, described first push rod one end is offseted by one the 3rd elastic component and described jacking block, and the other end of described first push rod is in described safety ignitor blast tube;
Second push rod, described second push rod is in described safety ignitor blast tube, and described second push rod and described first push rod offset;
Second seal ring, described second seal ring is fixed on one end of described second push rod, and the disconnection whether being controlled described safety ignitor blast tube by described second seal ring and the contact of described safety ignitor blast tube be communicated with.
As optimal technical scheme: also comprise the second elastic component, pressure regulation bolt, seal ring, epithelium chamber, epithelium, seal ring, valve gap, described second elastic component is placed in described valve gap, and described second elastic component one end and described epithelium hinged, described epithelium periphery is fixed on described valve gap, and one end of described epithelium and described pressure regulation bolt is hinged, the other end of described pressure regulation bolt is placed in described adjustment chamber, described seal ring is provided with the described pressure regulation bolt place of coupling in described adjustment chamber, the disconnection whether being controlled described epithelium chamber and described adjustment chamber by described pressure regulation bolt and the contact of described seal ring be communicated with.
Described gas pressure-reducing valve assembly and described safety ignitor assembly are equipped with two groups, and gas pressure-reducing valve assembly shared gas air outlet adapter described in two groups, and safety ignitor assembly described in two groups shares safety ignitor gas inlet joint.
The present invention has the following advantages:
Structure is simple, easy to use, goes for the combustion gas of multiple different calorific value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is Facad structure schematic diagram of the present invention.
Fig. 3 is the cut-away view along A-A in Fig. 2.
Fig. 4 is side structure schematic diagram of the present invention.
Fig. 5 is the cut-away view along B-B in Fig. 4.
Fig. 6 is the cut-away view along C-C in Fig. 4.
embodiment:
Below in conjunction with embodiment, describe the present invention in detail.Should be understood that these mode of executions are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
A kind of self-adapting type gas pressure-reducing valve, it is characterized in that, it comprises valve body, described valve body is provided with gas outlet joint, gas inlet joint, described valve inner is provided with blast tube, described blast tube comprises air-inlet cavity, epithelium chamber and regulates chamber, and the two ends of described blast tube are located at respectively by described gas outlet joint and described gas inlet joint;
Air intake assembly, it comprises the jacking block be located in air-inlet cavity, the first elastic component, the first Sealing, described jacking block one end and described air-inlet cavity are offseted by the first elastic component, and the described jacking block the other end and described gas inlet joint offset, the disconnection whether being controlled described air-inlet cavity and described gas inlet joint by described jacking block and described gas inlet junction contacts be communicated with;
Gas pressure-reducing valve assembly, it comprises the second elastic component, pressure regulation bolt, seal ring, epithelium chamber, epithelium, seal ring, valve gap, described second elastic component is placed in described valve gap, and described second elastic component one end and described epithelium hinged, described epithelium periphery is fixed on described valve gap, and one end of described epithelium and described pressure regulation bolt is hinged, the other end of described pressure regulation bolt is placed in described adjustment chamber, described seal ring is provided with the described pressure regulation bolt place of coupling in described adjustment chamber, the disconnection whether being controlled described epithelium chamber and described adjustment chamber by described pressure regulation bolt and the contact of described seal ring be communicated with.
Also comprise safety ignitor assembly, it comprises: safety ignitor gas inlet joint, safety ignitor gas outlet joint, safety ignitor blast tube, described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located on described valve body, and the two ends of described safety ignitor blast tube are located at respectively by described safety ignitor gas inlet joint and described safety ignitor gas outlet joint;
First push rod, described first push rod one end is offseted by one the 3rd elastic component and described jacking block, and the other end of described first push rod is in described safety ignitor blast tube;
Second push rod, described second push rod is in described safety ignitor blast tube, and described second push rod and described first push rod offset;
Second seal ring, described second seal ring is fixed on one end of described second push rod, and the disconnection whether being controlled described safety ignitor blast tube by described second seal ring and the contact of described safety ignitor blast tube be communicated with.
Described gas pressure-reducing valve assembly and described safety ignitor assembly are equipped with two groups, and gas pressure-reducing valve assembly shared gas air outlet adapter described in two groups, and safety ignitor assembly described in two groups shares safety ignitor gas inlet joint.By this kind of compound mode, reduction valve of the present invention, the combustion gas of multiple calorific value can use simultaneously and need not change valve.
A kind of gas valve, it comprises valve body, it comprises valve body, described valve body is provided with gas outlet joint, gas inlet joint, described valve inner is provided with blast tube, described blast tube comprises air-inlet cavity, epithelium chamber and regulates chamber, and the two ends of described blast tube are located at respectively by described gas outlet joint and described gas inlet joint;
Air intake assembly, it comprises the jacking block be located in air-inlet cavity, the first elastic component, the first Sealing, described jacking block one end and described air-inlet cavity are offseted by the first elastic component, and the described jacking block the other end and described gas inlet joint offset, the disconnection whether being controlled described air-inlet cavity and described gas inlet joint by described jacking block and described gas inlet junction contacts be communicated with;
Safety ignitor gas inlet joint, safety ignitor gas outlet joint, safety ignitor blast tube, described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located on described valve body, and the two ends of described safety ignitor blast tube are located at respectively by described safety ignitor gas inlet joint and described safety ignitor gas outlet joint;
First push rod, described first push rod one end is offseted by one the 3rd elastic component and described jacking block, and the other end of described first push rod is in described safety ignitor blast tube;
Second push rod, described second push rod is in described safety ignitor blast tube, and described second push rod and described first push rod offset;
Second seal ring, described second seal ring is fixed on one end of described second push rod, and the disconnection whether being controlled described safety ignitor blast tube by described second seal ring and the contact of described safety ignitor blast tube be communicated with.
Also comprise the second elastic component, pressure regulation bolt, seal ring, epithelium chamber, epithelium, seal ring, valve gap, described second elastic component is placed in described valve gap, and described second elastic component one end and described epithelium hinged, described epithelium periphery is fixed on described valve gap, and one end of described epithelium and described pressure regulation bolt is hinged, the other end of described pressure regulation bolt is placed in described adjustment chamber, described seal ring is provided with the described pressure regulation bolt place of coupling in described adjustment chamber, the disconnection whether being controlled described epithelium chamber and described adjustment chamber by described pressure regulation bolt and the contact of described seal ring be communicated with.
Described gas pressure-reducing valve assembly and described safety ignitor assembly are equipped with two groups, and two groups of gas pressure-reducing valve assembly shared gas air outlet adapters, and safety ignitor assembly described in two groups shares safety ignitor gas inlet joint.
Embodiment 1:
As shown in Figures 1 to 4, a kind of self-adapting type gas pressure-reducing valve, it comprises valve body 1 and is provided with gas outlet joint 4, safety ignitor gas inlet joint 7, higher calorific value gas safe ignition mechanism gas outlet joint 8 and fuel gas with low heat value safety ignitor gas outlet joint 9; Described valve body 1 is provided with fuel gas with low heat value air input joint 6 and higher calorific value gas inlet joint 5; Valve body 1 is provided with fuel gas with low heat value pressure reducing valve component 2 and higher calorific value gas pressure-reducing valve assembly 3; Fuel gas with low heat value pressure reducing valve component 2 and higher calorific value gas pressure-reducing valve assembly 3 share a gas outlet joint 4, valve body 1 inside is provided with blast tube, described blast tube comprises air-inlet cavity, epithelium chamber and regulates chamber, in the present embodiment, valve inner is provided with two blast tubes, be respectively higher calorific value blast tube and fuel gas with low heat value passage, higher calorific value blast tube two ends are entered 5 with gas outlet joint 4 with higher calorific value combustion gas respectively and are communicated with, and fuel gas with low heat value passage two ends are communicated with fuel gas with low heat value air input joint 6 with gas outlet joint 4 respectively.Higher calorific value blast tube and fuel gas with low heat value passage are divided into three parts: air-inlet cavity, adjustment chamber and relief chamber.
Higher calorific value gas inlet assembly comprises to be located at jacking block 308, first seal ring 307 in air-inlet cavity and first spring 306, first spring 306 one end and jacking block 308 and to offset, and the other end is placed on the boss on valve body and offsets with valve body; The first seal ring 307 is provided with between jacking block 308 and valve body, can be sealed between jacking block and valve body by this first seal ring, when the first seal ring and valve body contact, air-inlet cavity is not communicated with higher calorific value gas inlet joint 5, when the first seal ring does not contact with valve body 1, air-inlet cavity and higher calorific value gas inlet joint are connected, when higher calorific value gas joint connects combustion gas, the pressure of combustion gas is by the first seal ring and jacking block upwards jack-up, and now gas just can enter in air-inlet cavity.Higher calorific value gas pressure-reducing valve assembly 3 is by the epithelium 301 with pressure regulation bolt, pressure adjusting spring 302, valve gap 303 and regulator bolts 304 form, pressure regulation epithelium 301 is fitted between valve body 1 and valve gap 303, pressure adjusting spring 302 is sleeved in the fitting seat 305 on valve gap 303, one end of pressure adjusting spring 302 offsets with pressure regulation epithelium 301, the other end and the spinning regulator bolts 304 in fitting seat 305 offsets, pressure regulation epithelium 301 is located in epithelium chamber, pressure regulation bolt is located in pressure regulating cavity, regulate in chamber and be provided with sealing block with the place of coupling of pressure regulation bolt, when regulating the gaseous-pressure in chamber excessive, pressure regulation epithelium 301 pops up by the pressure of combustion gas, thus drive pressure regulation bolt to move upward, thus pressure regulation bolt is contacted with seal ring, chamber and epithelium chamber will be regulated to disconnect, now, the pressure of combustion gas can obtain reduction to a certain extent, so dynamically back and forth.
Lower calorific value air intake assembly comprises jacking block 208, first seal ring 207 and first spring 206, first spring 206 one end and jacking block 208 and offsets, and the other end is placed on the boss on valve body and offsets with valve body; Seal ring 207 is provided with between jacking block 208 and valve body, can be sealed between jacking block and valve body by sealing circle, when the first seal ring 207 is with valve body contact, air-inlet cavity is not communicated with fuel gas with low heat value air input joint 6, when the first seal ring does not contact with valve body 1, air-inlet cavity and fuel gas with low heat value air input joint are connected, when fuel gas with low heat value joint connects combustion gas, the pressure of combustion gas is by the first seal ring 207 and jacking block upwards jack-up, and now gas just can enter in air-inlet cavity.Fuel gas with low heat value pressure reducing valve component 2 is by the pressure regulation epithelium 201 with pressure regulation bolt, pressure adjusting spring 202, valve gap 203 and regulator bolts 204 form, pressure regulation epithelium 201 is fitted between valve body 1 and valve gap 203, pressure adjusting spring 202 is sleeved in the fitting seat 205 on valve gap 203, one end and the pressure regulation epithelium 201 of pressure adjusting spring 202 offset, the other end and the spinning regulator bolts 204 in fitting seat 205 offsets, pressure regulation epithelium 201 is located in epithelium chamber, pressure regulation bolt is located in pressure regulating cavity, regulate in chamber to be provided with the place of coupling of pressure regulation bolt to regulate in chamber described in sealing block and be provided with sealing block with the place of coupling of pressure regulation bolt, when regulating the gaseous-pressure in chamber excessive, pressure regulation epithelium 201 pops up by the pressure of combustion gas, thus drive pressure regulation bolt to move upward, thus pressure regulation bolt is contacted with seal ring, chamber and epithelium chamber will be regulated to disconnect, now, the pressure of combustion gas can obtain reduction to a certain extent, so dynamically back and forth.
Described valve body 1 is provided with the lower calorific value safety ignitor blast tube that safety ignitor gas inlet joint 7 and fuel gas with low heat value safety ignitor gas outlet joint 9 communicate, and the sealing block 210 with the 3rd seal ring 211 has the second push rod 212 of the 4th spring 213 and the second seal ring 209 to install in the channels with cover; The second seal ring 209 is equipped with in second push rod 212 one end, and the other end and the first push rod 214 offset; 4th spring 213 is set on the second push rod 212, and one end and sealing block 210 offset, and the other end and the second push rod 212 offset; First push rod 214 one end is placed in lower calorific value safety ignitor blast tube, and the other end is placed in fuel gas with low heat value passage; First push rod 214 is set with the second spring 217 and the 3rd spring 218; Be provided with pad 216 and the second seal ring 215 between second spring 217 one end and valve body 1 and offset with pad 216, the other end and the first push rod 214 offset; 3rd spring 218 one end suit with the first push rod 214 on and offset with the first push rod, the other end and jacking block 208 offset.During work, because the first push rod and jacking block abut against, when jacking block moves upward, combustion gas enters in air-inlet cavity, thus jacking block drives the first push rod and the second push rod to move up, thus the second seal ring being fixed on second push rod one end is not contacted with sealing block 210, thus whole lower calorific value safety ignitor blast tube is made to be on state.
Valve body 1 is provided with the higher calorific value safety ignitor blast tube that safety ignitor gas inlet joint 7 and higher calorific value gas safe ignition mechanism divide air input joint 8 to communicate, and the sealing block 310 with the 3rd seal ring 311 has the second push rod 312 of the 4th spring 313 and the second seal ring 309 to install in the channels with cover; Second seal ring 309 the other end is housed in second push rod 312 one end and the first push rod 314 offsets; 4th spring 313 is set on the second push rod 312, and one end and sealing block 310 offset, and the other end and the second push rod 312 offset; First push rod 314 one end is placed in higher calorific value safety ignitor blast tube, and the other end is placed in higher calorific value blast tube; First push rod 314 is set with the second spring 317 and the 3rd spring 318; Be provided with pad 316 and the second seal ring 315 between second spring 317 one end and valve body 1 and offset with pad 316, the other end and the first push rod 314 offset; 3rd spring 318 one end suit with the first push rod 314 on and offset with the first push rod, the other end and jacking block 308 offset.During work, because the first push rod and jacking block abut against, when jacking block moves upward, combustion gas enters in air-inlet cavity, thus jacking block drives the first push rod and the second push rod to move up, thus the second seal ring being fixed on second push rod one end is not contacted with sealing block 210, thus whole lower calorific value safety ignitor blast tube is made to be on state.
Claims (5)
1. a self-adapting type gas pressure-reducing valve, it is characterized in that, it comprises valve body, described valve body is provided with gas outlet joint, gas inlet joint, described valve inner is provided with blast tube, described blast tube comprises air-inlet cavity, epithelium chamber and regulates chamber, and the two ends of described blast tube are located at respectively by described gas outlet joint and described gas inlet joint;
Air intake assembly, it comprises the jacking block be located in air-inlet cavity, the first elastic component, the first Sealing, described jacking block one end and described air-inlet cavity are offseted by the first elastic component, and the described jacking block the other end and described gas inlet joint offset, the disconnection whether being controlled described air-inlet cavity and described gas inlet joint by described jacking block and described gas inlet junction contacts be communicated with;
Gas pressure-reducing valve assembly, it comprises the second elastic component, pressure regulation bolt, seal ring, epithelium chamber, epithelium, seal ring, valve gap, described second elastic component is placed in described valve gap, and described second elastic component one end abuts with described epithelium, described epithelium periphery is fixed on described valve gap, and one end of described epithelium and described pressure regulation bolt is hinged, the other end of described pressure regulation bolt is placed in described adjustment chamber, described seal ring is provided with the described pressure regulation bolt place of coupling in described adjustment chamber, the disconnection whether being controlled described epithelium chamber and described adjustment chamber by described pressure regulation bolt and the contact of described seal ring be communicated with,
Also comprise safety ignitor assembly, it comprises:
Safety ignitor gas inlet joint, safety ignitor gas outlet joint, safety ignitor blast tube, described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located on described valve body, and the two ends of described safety ignitor blast tube are located at respectively by described safety ignitor gas inlet joint and described safety ignitor gas outlet joint;
First push rod, described first push rod one end is offseted by one the 3rd elastic component and described jacking block, and the other end of described first push rod is in described safety ignitor blast tube;
Second push rod, described second push rod is in described safety ignitor blast tube, and described second push rod and described first push rod offset;
Second seal ring, described second seal ring is fixed on one end of described second push rod, and the disconnection whether being controlled described safety ignitor blast tube by described second seal ring and the contact of described safety ignitor blast tube be communicated with.
2. self-adapting type gas pressure-reducing valve according to claim 1, it is characterized in that, described gas pressure-reducing valve assembly and described safety ignitor assembly are equipped with two groups, and gas pressure-reducing valve assembly shared gas air outlet adapter described in two groups, and safety ignitor assembly described in two groups shares safety ignitor gas inlet joint.
3. a gas valve, it is characterized in that, it comprises valve body, it comprises valve body, described valve body is provided with gas outlet joint, gas inlet joint, described valve inner is provided with blast tube, and described blast tube comprises air-inlet cavity, epithelium chamber and regulates chamber, and the two ends of described blast tube are located at respectively by described gas outlet joint and described gas inlet joint;
Air intake assembly, it comprises the jacking block be located in air-inlet cavity, the first elastic component, the first Sealing, described jacking block one end and described air-inlet cavity are offseted by the first elastic component, and the described jacking block the other end and described gas inlet joint offset, the disconnection whether being controlled described air-inlet cavity and described gas inlet joint by described jacking block and described gas inlet junction contacts be communicated with
Safety ignitor gas inlet joint, safety ignitor gas outlet joint, safety ignitor blast tube, described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located on described valve body, and the two ends of described safety ignitor blast tube are located at respectively by described safety ignitor gas inlet joint and described safety ignitor gas outlet joint;
First push rod, described first push rod one end is offseted by one the 3rd elastic component and described jacking block, and the other end of described first push rod is in described safety ignitor blast tube;
Second push rod, described second push rod is in described safety ignitor blast tube, and described second push rod and described first push rod offset;
Second seal ring, described second seal ring is fixed on one end of described second push rod, and the disconnection whether being controlled described safety ignitor blast tube by described second seal ring and the contact of described safety ignitor blast tube be communicated with.
4. gas valve according to claim 3, it is characterized in that, gas pressure-reducing valve assembly, it comprises the second elastic component, pressure regulation bolt, seal ring, epithelium chamber, epithelium, seal ring, valve gap, described second elastic component is placed in described valve gap, and described second elastic component one end abuts with described epithelium, described epithelium periphery is fixed on described valve gap, and one end of described epithelium and described pressure regulation bolt is hinged, the other end of described pressure regulation bolt is placed in described adjustment chamber, described seal ring is provided with the described pressure regulation bolt place of coupling in described adjustment chamber, the disconnection whether being controlled described epithelium chamber and described adjustment chamber by described pressure regulation bolt and the contact of described seal ring be communicated with.
5. gas valve according to claim 4, it is characterized in that, described gas pressure-reducing valve assembly and described safety ignitor assembly are equipped with two groups, and gas pressure-reducing valve assembly shared gas air outlet adapter described in two groups, and safety ignitor assembly described in two groups shares safety ignitor gas inlet joint.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210300273.9A CN102788173B (en) | 2012-08-22 | 2012-08-22 | Self-adaptive gas pressure reducing valve |
| US13/791,530 US9170016B2 (en) | 2012-08-22 | 2013-03-08 | Dual fuel heater with selector valve |
| EP13831113.9A EP2888532A4 (en) | 2012-08-22 | 2013-08-21 | Dual fuel heater assembly with selector valve |
| PCT/US2013/056024 WO2014031768A1 (en) | 2012-08-22 | 2013-08-21 | Dual fuel heater assembly with selector valve |
| US14/920,822 US20160161146A1 (en) | 2011-10-20 | 2015-10-22 | Dual fuel heater with selector valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210300273.9A CN102788173B (en) | 2012-08-22 | 2012-08-22 | Self-adaptive gas pressure reducing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102788173A CN102788173A (en) | 2012-11-21 |
| CN102788173B true CN102788173B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210300273.9A Active CN102788173B (en) | 2011-10-20 | 2012-08-22 | Self-adaptive gas pressure reducing valve |
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| Country | Link |
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| CN (1) | CN102788173B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8757202B2 (en) * | 2009-06-29 | 2014-06-24 | David Deng | Dual fuel heating source |
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2012
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| CN2844777Y (en) * | 2005-08-25 | 2006-12-06 | 成都前锋电子电器集团股份有限公司 | Low-water-pressure starting water-vapor gear of gas water heater and gas water heater |
| CN201212569Y (en) * | 2008-07-02 | 2009-03-25 | 南京普鲁卡姆电器有限公司 | Double service regulator for gas appliance |
| CN101865312A (en) * | 2010-06-13 | 2010-10-20 | 普鲁卡姆电器（上海）有限公司 | Double gas source high-flow pressure reducing valve |
| CN201982726U (en) * | 2011-02-23 | 2011-09-21 | 南京普鲁卡姆电器有限公司 | Self-plugging multi-air source reducing valve |
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| Publication number | Publication date |
|---|---|
| CN102788173A (en) | 2012-11-21 |
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