TWI576542B - Safety valves for combustion installations - Google Patents
Safety valves for combustion installations Download PDFInfo
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- TWI576542B TWI576542B TW105111813A TW105111813A TWI576542B TW I576542 B TWI576542 B TW I576542B TW 105111813 A TW105111813 A TW 105111813A TW 105111813 A TW105111813 A TW 105111813A TW I576542 B TWI576542 B TW I576542B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
- F23N5/247—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using mechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
- F23C3/002—Combustion apparatus characterised by the shape of the combustion chamber the chamber having an elongated tubular form, e.g. for a radiant tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/027—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using mechanical means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Description
本發明主要係揭示一種安全閥，尤指燃燒裝置之安全閥。The invention mainly discloses a safety valve, in particular a safety valve of a combustion device.
請參閱美國專利第US 5799648 A號之「Gas powered heating device」專利案，其為一種瓦斯燃料加熱裝置，其主要包括一主體、一設於主體內之燃燒室、一朝向燃燒室之噴嘴、提供燃燒氣體給噴嘴的儲存槽、與一可控制主體預定溫度的控制器。該控制器係由一閥體、一第一構件、一第二構件與一磁鐵所組成。該第一構件設於該閥體一端，該第二構件則設於該閥體之另端，而該磁鐵則設於該第一構件與該第二構件之間。該第一構件為一熱磁性材料，而該第二構件為一磁性材料，且該第一構件之磁吸力較該第二構件為大，故平時該第一構件係吸住該磁鐵。Please refer to the "Gas powered heating device" patent of US Pat. No. 5,799,648 A, which is a gas fuel heating device, which mainly comprises a main body, a combustion chamber disposed in the main body, a nozzle facing the combustion chamber, and provided The combustion gas feeds the storage tank of the nozzle to a controller that controls the temperature of the body. The controller is composed of a valve body, a first member, a second member and a magnet. The first member is disposed at one end of the valve body, the second member is disposed at the other end of the valve body, and the magnet is disposed between the first member and the second member. The first member is a magnetic material, and the second member is a magnetic material, and the magnetic attraction of the first member is larger than that of the second member. Therefore, the first member normally sucks the magnet.
於使用時該儲存槽將氣體自入口送入該閥體，再從出口送入噴嘴，再進入燃燒室內燃燒，使該主體加熱而可進行接合加工。當主體之溫度過高時，即溫度到達該控制器內第一構件之預定溫度時，該第一構件將失去原本之磁吸力，使得該磁鐵受到第二構件的磁吸力而靠向該第二構件之一端。此時該閥體入口會被該磁鐵封閉，故該儲存槽所送出之燃燒氣體將經由節流閥流入噴嘴。而由於節流閥僅供釋出少量的氣體給噴嘴，使燃燒室之燃燒率減少，故使得該主體之溫度漸漸降低，但仍可繼續進行加工者。In use, the storage tank feeds gas from the inlet into the valve body, and then from the outlet to the nozzle, and then enters the combustion chamber to burn, so that the main body is heated to perform the joining process. When the temperature of the body is too high, that is, when the temperature reaches a predetermined temperature of the first member in the controller, the first member loses the original magnetic attraction, so that the magnet is attracted to the second member by the magnetic attraction force of the second member. One end of the component. At this time, the valve body inlet is closed by the magnet, so the combustion gas sent from the storage tank will flow into the nozzle through the throttle valve. Since the throttle valve only releases a small amount of gas to the nozzle, the combustion rate of the combustion chamber is reduced, so that the temperature of the main body is gradually lowered, but the processor can be continued.
該習知結構於實用上仍有多處缺點，因該主體係利用一控制器來保持其溫度不致過熱，但該控制器之結構零件過多，造成組裝上的麻煩。而該閥體更是為了要裝設該些零件，故須開設兩閥室、，兩閥室、之間又要設一通孔相通連，無形之間增加製產上的成本。除此之外，該習知結構除了控制器的設置之外，還要另外再接設一節流閥，該節流閥的設計更是增加整體結構的複雜性，使得該習知結構根本無法在產業界實施。而其產品在銷售時更是因為高單價故無法吸引消費者購買，為一相當不符產業利用性之設計，故有改良之必要。The conventional structure still has a number of disadvantages in practical use, because the main system uses a controller to keep its temperature from overheating, but the controller has too many structural parts, which causes assembly trouble. The valve body is to install the parts, so it is necessary to open two valve chambers, and the two valve chambers are connected with a through hole, which increases the cost of production. In addition to this, in addition to the setting of the controller, the conventional structure is additionally connected with a throttle valve, and the design of the throttle valve increases the complexity of the overall structure, so that the conventional structure cannot be Implemented by the industry. However, when the product is sold, it is not because of the high unit price, so it cannot attract consumers to purchase. It is a design that is quite inconsistent with industrial utilization, so it is necessary to improve.
有鑑於上述習知結構之缺失，本發明人乃設計出一種燃燒裝置之安全閥，其係可克服上述習知結構之所有缺點。In view of the above-described deficiencies in the conventional structure, the inventors have devised a safety valve for a combustion apparatus that overcomes all of the disadvantages of the above-described conventional construction.
本發明燃燒裝置之安全閥其主要目的在於，提供一種包括有一個閥體及一個調整件的安全閥，該閥體設置有一個入口及一個出口，該閥體於該入口與該出口之間設置有一個容室，該容室的一端與該入口相連通且相異的另一端與該出口相連通，該調整件設置於該容室內，該調整件能夠受溫度影響而在正常狀態與保護狀態之間變形，當該調整件低於預定溫度時，該調整件變形為正常狀態，當該調整件高於預定溫度時，該調整件變形為保護狀態，該調整件由保護狀態變形至正常狀態的過程中，該閥體由該入口至該出口的容許流量增加，該調整件由正常狀態變形至保護狀態的過程中，該閥體由該入口至該出口的容許流量減少，且該調整件變形為保護狀態時，該閥體由該入口至該出口的容許流量不為0，以確保該安全閥能夠藉由上述結構提供燃燒裝置使用的安全，此外仍不失便利性。The main purpose of the safety valve of the combustion device of the present invention is to provide a safety valve including a valve body and an adjusting member, the valve body being provided with an inlet and an outlet, the valve body being disposed between the inlet and the outlet There is a chamber, one end of the chamber is connected to the inlet and the other end is connected to the outlet, and the adjusting member is disposed in the chamber, and the adjusting member can be affected by temperature and is in a normal state and a protected state. When the adjusting member is lower than the predetermined temperature, the adjusting member is deformed into a normal state, and when the adjusting member is higher than the predetermined temperature, the adjusting member is deformed into a protective state, and the adjusting member is deformed from the protected state to the normal state. During the process, the allowable flow rate of the valve body from the inlet to the outlet is increased, and the allowable flow rate of the valve body from the inlet to the outlet is reduced during the deformation of the adjusting member from the normal state to the protective state, and the adjusting member is When the deformation is in a protective state, the allowable flow rate of the valve body from the inlet to the outlet is not zero, to ensure that the safety valve can provide the safety device for use by the above structure. Full, in addition to the convenience.
該閥體包括有一個第一殼及一個第二殼，該第一殼與該第二殼彼此相連接，該入口設置於該第一殼相異於該第二殼的一端，該出口設置於該第二殼相異於該第一殼的一端，該容室設置於該第一殼與該第二殼之間。The valve body includes a first shell and a second shell, the first shell and the second shell are connected to each other, the inlet is disposed at an end of the first shell different from the second shell, and the outlet is disposed at The second shell is different from an end of the first shell, and the chamber is disposed between the first shell and the second shell.
該入口沿一個虛擬貫軸的軸向延伸，該第一殼鄰近該容室一側的內壁面沿該虛擬貫軸的軸向凸設有一個環凸緣，該環凸緣環繞該入口鄰近該容室的一端，該環凸緣沿該虛擬貫軸的徑向設置有一個側槽，該側槽沿該虛擬貫軸徑向貫穿並連通該環凸緣相異的兩側。The inlet extends along an axial direction of a virtual through-axis, and an inner wall surface of the first shell adjacent to the one side of the chamber protrudes in a direction of an axial direction of the virtual through-axis, and a ring flange surrounds the inlet One end of the chamber, the ring flange is provided with a side groove along a radial direction of the virtual cross shaft, and the side groove runs radially along the virtual cross shaft and communicates with different sides of the ring flange.
該閥體於該容室內還設置有一個墊片，該墊片鄰近該第一殼的一端抵靠於該環凸緣，該調整件抵靠於該墊片相異於該第一殼的一端。The valve body is further provided with a gasket in the chamber, the gasket abuts against the ring flange adjacent to one end of the first shell, and the adjusting member abuts against the end of the gasket different from the first shell .
該調整件約呈圓形薄片狀。The adjusting member has a circular flaky shape.
該調整件是以金屬材質製成。The adjustment member is made of a metal material.
其他目的、優點和本發明之新穎性將從以下詳細的描述與相關的附圖更加明顯。Other objects, advantages and novel features of the invention will become apparent from the description and appended claims.
有關本發明所採用之技術、手段及其功效，茲舉一較佳實施例並配合圖式詳述如後，此僅供說明之用，在專利申請上並不受此種結構之限制。The technology, means and functions of the present invention are described in detail with reference to the accompanying drawings.
參照圖1至圖4A所示，為本發明燃燒裝置之安全閥之立體外觀圖、立體分解圖、組裝前剖面結構示意圖及剖面結構圖。本發明安全閥10包括有一個閥體20及一個調整件30；其中：1 to 4A are a perspective view, a perspective exploded view, a cross-sectional structural view and a cross-sectional structural view of a safety valve of a combustion apparatus of the present invention. The safety valve 10 of the present invention comprises a valve body 20 and an adjusting member 30; wherein:
該閥體20設置有一個入口21及一個出口22，該入口21能夠供燃燒氣體進入，該出口22能夠供燃燒氣體流出。該閥體20於該入口21與該出口22之間設置有一個容室23，該容室23的一端與該入口21相連通且相異的另一端與該出口22相連通。The valve body 20 is provided with an inlet 21 for the entry of combustion gases and an outlet 22 for the flow of combustion gases. The valve body 20 is provided between the inlet 21 and the outlet 22 with a chamber 23, one end of which is in communication with the inlet 21 and the other end of which is in communication with the outlet 22.
該閥體20包括有一個第一殼24及一個第二殼25，該第一殼24與該第二殼25彼此相連接，該入口21設置於該第一殼24相異於該第二殼25的一端，該出口22設置於該第二殼25相異於該第一殼24的一端，該容室23設置於該第一殼24與該第二殼25之間。The valve body 20 includes a first shell 24 and a second shell 25. The first shell 24 and the second shell 25 are connected to each other. The inlet 21 is disposed on the first shell 24 to be different from the second shell. The outlet 22 is disposed at an end of the second shell 25 that is different from the first shell 24 . The chamber 23 is disposed between the first shell 24 and the second shell 25 .
該入口21沿一個虛擬貫軸L的軸向延伸，該第一殼24鄰近該容室23一側的內壁面沿該虛擬貫軸L的軸向凸設有一個環凸緣241，該環凸緣241環繞該入口21鄰近該容室23的一端，該環凸緣241沿該虛擬貫軸L的徑向設置有一個側槽242，該側槽242沿該虛擬貫軸L徑向貫穿並連通該環凸緣241相異的兩側。The inlet 21 extends along the axial direction of a virtual through-axis L. The inner wall surface of the first shell 24 adjacent to the side of the chamber 23 is convexly disposed with a ring flange 241 along the axial direction of the virtual cross-axis L. The edge 241 surrounds the inlet 21 adjacent to one end of the chamber 23, and the ring flange 241 is provided with a side groove 242 along the radial direction of the virtual cross shaft L. The side groove 242 runs through and communicates along the virtual cross axis L. The ring flanges 241 are on opposite sides.
該閥體20於該容室23內還設置有一個墊片26，該墊片26鄰近該第一殼24的一端抵靠於該環凸緣241。The valve body 20 is further provided with a gasket 26 in the chamber 23, and the gasket 26 abuts against the ring flange 241 adjacent to one end of the first shell 24.
請繼續參照圖5及圖6所示，為本發明燃燒裝置之安全閥之使用狀態圖。該調整件30約呈圓形薄片狀，該調整件30是以金屬材質製成，該調整件30設置於該容室23內，該調整件30抵靠於該墊片26相異於該第一殼24的一端。Please refer to FIG. 5 and FIG. 6 for further use of the safety valve of the combustion apparatus of the present invention. The adjusting member 30 is formed in a circular shape, and the adjusting member 30 is made of a metal material. The adjusting member 30 is disposed in the chamber 23, and the adjusting member 30 is different from the spacer 26 in the same manner. One end of a shell 24.
該調整件30能夠受溫度影響而在正常狀態與保護狀態之間變形，當該調整件30低於預定溫度時，該調整件30變形為正常狀態，當該調整件30高於預定溫度時，該調整件30變形為保護狀態。The adjusting member 30 can be deformed between a normal state and a protective state by a temperature. When the adjusting member 30 is lower than a predetermined temperature, the adjusting member 30 is deformed into a normal state, when the adjusting member 30 is higher than a predetermined temperature, The adjustment member 30 is deformed into a protective state.
該調整件30由保護狀態變形至正常狀態的過程中，該閥體20由該入口21至該出口22的容許流量增加，該調整件30由正常狀態變形至保護狀態的過程中，該閥體20由該入口21至該出口22的容許流量減少，且該調整件30變形為保護狀態時，該閥體20由該入口21至該出口22的容許流量不為0。During the process of deforming the adjusting member 30 from the protective state to the normal state, the allowable flow rate of the valve body 20 from the inlet 21 to the outlet 22 is increased, and the adjusting member 30 is deformed from a normal state to a protective state. When the allowable flow rate from the inlet 21 to the outlet 22 is reduced, and the adjusting member 30 is deformed into the protective state, the allowable flow rate of the valve body 20 from the inlet 21 to the outlet 22 is not zero.
該安全閥10藉由上述結構，當該調整件30的溫度高於預定溫度後能夠立即變形而減少該閥體20所能夠提供的燃燒氣體流量，使燃燒裝置頭部90內的火焰縮小，以確保燃燒裝置使用的安全。With the above structure, the safety valve 10 can be deformed immediately after the temperature of the adjusting member 30 is higher than a predetermined temperature to reduce the flow rate of the combustion gas that can be provided by the valve body 20, so that the flame in the burner head 90 is reduced. Ensure the safety of the combustion unit.
同時，該調整件30即使溫度高於預定溫度也不會完全封閉該閥體20內的通道，仍保留微量的燃燒氣體能夠由該入口21進入流經該側槽242並由該出口22輸出(如圖6所示)，確保燃燒裝置頭部90內仍保持在點燃的狀態，待該調整件30的溫度降低至預定溫度以下後，只要調整燃燒氣體的流量即可再次使用燃燒裝置，不需要重新點燃，除提供安全性之外仍不失便利性。At the same time, the adjusting member 30 does not completely close the passage in the valve body 20 even if the temperature is higher than the predetermined temperature, and still retains a trace amount of combustion gas that can enter and flow through the side groove 242 through the inlet 21 ( As shown in FIG. 6 , it is ensured that the combustion device head 90 is still in the ignited state. After the temperature of the adjusting member 30 is lowered to a predetermined temperature or lower, the combustion device can be used again by adjusting the flow rate of the combustion gas. Re-ignition, in addition to providing security, is still convenient.
就以上所述可以歸納出本發明具有以下優點：As far as the above is concerned, it can be concluded that the present invention has the following advantages:
1.為本發明燃燒裝置之安全閥，其中安全閥包括有一個閥體及一個調整件，該閥體設置有一個入口及一個出口，該閥體於該入口與該出口之間設置有一個容室，該容室的一端與該入口相連通且相異的另一端與該出口相連通，該調整件設置於該容室內，該調整件能夠受溫度影響而在正常狀態與保護狀態之間變形，當該調整件低於預定溫度時，該調整件變形為正常狀態，當該調整件高於預定溫度時，該調整件變形為保護狀態，該調整件由保護狀態變形至正常狀態的過程中，該閥體由該入口至該出口的容許流量增加，該調整件由正常狀態變形至保護狀態的過程中，該閥體由該入口至該出口的容許流量減少，且該調整件變形為保護狀態時，該閥體由該入口至該出口的容許流量不為0，以確保該安全閥能夠藉由上述結構提供燃燒裝置使用的安全，此外仍不失便利性。1. The safety valve of the combustion apparatus of the present invention, wherein the safety valve comprises a valve body and an adjusting member, the valve body is provided with an inlet and an outlet, and the valve body is provided with a capacity between the inlet and the outlet a chamber having one end communicating with the inlet and the other end being in communication with the outlet, the adjusting member being disposed in the chamber, the adjusting member being deformable between a normal state and a protected state by temperature When the adjusting member is lower than the predetermined temperature, the adjusting member is deformed into a normal state, and when the adjusting member is higher than the predetermined temperature, the adjusting member is deformed into a protective state, and the adjusting member is deformed from the protected state to the normal state. The allowable flow rate of the valve body from the inlet to the outlet is increased. During the deformation of the adjusting member from the normal state to the protective state, the allowable flow rate of the valve body from the inlet to the outlet is reduced, and the adjusting member is deformed to protect In the state, the allowable flow rate of the valve body from the inlet to the outlet is not zero, to ensure that the safety valve can provide the safety of the combustion device by the above structure, and still not lost Sex.
惟上所述者，僅為本發明之較佳實施例而已，當不能以之限定本發明實施之範圍，故舉凡數值之變更或等效元件之置換，或依本發明申請專利範圍所作之均等變化與修飾，皆應仍屬本發明專利涵蓋之範疇。The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so that the numerical value is changed or the equivalent element is replaced, or the equivalent of the scope of the patent application of the present invention. Changes and modifications are still within the scope of the invention patent.
10‧‧‧安全閥10‧‧‧Safety valve
20‧‧‧閥體20‧‧‧ valve body
21‧‧‧入口21‧‧‧ entrance
22‧‧‧出口22‧‧‧Export
23‧‧‧容室23‧‧‧ Room
24‧‧‧第一殼24‧‧‧ first shell
241‧‧‧環凸緣241‧‧‧ring flange
242‧‧‧側槽242‧‧‧ side slot
25‧‧‧第二殼25‧‧‧ second shell
26‧‧‧墊片26‧‧‧shims
30‧‧‧調整件30‧‧‧Adjustment
90‧‧‧燃燒裝置頭部90‧‧‧ burner head
L‧‧‧虛擬貫軸L‧‧‧ virtual cross shaft
圖1：為本發明燃燒裝置之安全閥組合於燃燒裝置頭部之立體外觀圖。 圖2：為本發明燃燒裝置之安全閥之立體分解圖。 圖3：為本發明燃燒裝置之安全閥之剖面結構圖。 圖3A：為由圖3中所取之局部放大剖面結構圖。 圖4：為本發明燃燒裝置之安全閥另一視角之剖面結構圖。 圖4A：為由圖4中所取之局部放大剖面結構圖。 圖5：為本發明燃燒裝置之安全閥調整件於正常狀態之使用狀態圖。 圖6：為本發明燃燒裝置之安全閥調整件於保護狀態之使用狀態圖。Figure 1 is a perspective view showing the safety valve of the combustion apparatus of the present invention combined with the head of the combustion apparatus. Figure 2 is an exploded perspective view of the safety valve of the combustion apparatus of the present invention. Figure 3 is a cross-sectional structural view of a safety valve of the combustion apparatus of the present invention. Fig. 3A is a partially enlarged sectional structural view taken from Fig. 3. Figure 4 is a cross-sectional structural view showing another view of the safety valve of the combustion apparatus of the present invention. Fig. 4A is a partially enlarged sectional structural view taken from Fig. 4. Fig. 5 is a view showing the state of use of the safety valve adjusting member of the combustion apparatus of the present invention in a normal state. Fig. 6 is a view showing the state of use of the safety valve adjusting member of the combustion apparatus of the present invention in a protected state.
10‧‧‧安全閥 10‧‧‧Safety valve
20‧‧‧閥體 20‧‧‧ valve body
24‧‧‧第一殼 24‧‧‧ first shell
25‧‧‧第二殼 25‧‧‧ second shell
26‧‧‧墊片 26‧‧‧shims
30‧‧‧調整件 30‧‧‧Adjustment
90‧‧‧燃燒裝置頭部 90‧‧‧ burner head
Claims (4)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105111813A TWI576542B (en) | 2016-04-15 | 2016-04-15 | Safety valves for combustion installations |
| US15/293,336 US20170299179A1 (en) | 2016-04-15 | 2016-10-14 | Safety Valve device in Gas Burning Apparatus |
| DE102017100156.5A DE102017100156A1 (en) | 2016-04-15 | 2017-01-05 | Safety valve device in a gas burner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105111813A TWI576542B (en) | 2016-04-15 | 2016-04-15 | Safety valves for combustion installations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI576542B true TWI576542B (en) | 2017-04-01 |
| TW201736777A TW201736777A (en) | 2017-10-16 |
Family
ID=59240698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW105111813A TWI576542B (en) | 2016-04-15 | 2016-04-15 | Safety valves for combustion installations |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20170299179A1 (en) |
| DE (1) | DE102017100156A1 (en) |
| TW (1) | TWI576542B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11428407B2 (en) | 2018-09-26 | 2022-08-30 | Cowles Operating Company | Combustion air proving apparatus with burner cut-off capability and method of performing the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200806397A (en) * | 2006-07-20 | 2008-02-01 | Pro Iroda Ind Inc | Fuel gas heating device with safety sensor |
| TW200904370A (en) * | 2007-07-17 | 2009-02-01 | jia-yi Xu | Automatic throttle discharging valve of steamer |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1874660A (en) * | 1929-09-27 | 1932-08-30 | Grayson Heat Control Inc | Thermostatic snap valve |
| US3447746A (en) * | 1966-10-17 | 1969-06-03 | Emerson Electric Co | Burner control device for a water heater |
| US3545476A (en) * | 1967-02-17 | 1970-12-08 | Robertshaw Controls Co | Thermostatic control device |
| US3474962A (en) * | 1968-03-05 | 1969-10-28 | Emerson Electric Co | Snap-acting thermostatic gas valve |
| US3965222A (en) * | 1974-09-03 | 1976-06-22 | Schmelzer Corporation | Carburetion system |
| US3930613A (en) * | 1974-10-18 | 1976-01-06 | Therm-O-Disc Incorporated | Check valve having temperature response |
| US4431132A (en) * | 1980-06-13 | 1984-02-14 | Thorn Gas Appliances Limited | Control valve systems for gas water heaters |
| DE3521646A1 (en) * | 1985-06-15 | 1986-12-18 | Honeywell B.V., Amsterdam | PRESSURE-CONTROLLED SWITCH |
| US4830277A (en) * | 1988-04-20 | 1989-05-16 | Demaich Industries, Inc. | Thermostatic valve |
| US4821954A (en) * | 1988-05-31 | 1989-04-18 | Elmwood Sensors, Inc. | Thermally activated snap-action valve |
| WO1995009712A1 (en) | 1993-10-01 | 1995-04-13 | Oglesby & Butler Research & Development Limited | A gas powered heating device |
| JP4203183B2 (en) * | 1999-06-03 | 2008-12-24 | パロマ工業株式会社 | Control valve for hot water boiler |
| US6450412B1 (en) * | 2001-04-10 | 2002-09-17 | Pgi International, Ltd. | Temperature actuated flow restrictor |
| TWI279280B (en) * | 2004-12-08 | 2007-04-21 | Pro Iroda Ind Inc | Fuel gas-powered heating apparatus |
-
2016
- 2016-04-15 TW TW105111813A patent/TWI576542B/en active
- 2016-10-14 US US15/293,336 patent/US20170299179A1/en not_active Abandoned
-
2017
- 2017-01-05 DE DE102017100156.5A patent/DE102017100156A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200806397A (en) * | 2006-07-20 | 2008-02-01 | Pro Iroda Ind Inc | Fuel gas heating device with safety sensor |
| TW200904370A (en) * | 2007-07-17 | 2009-02-01 | jia-yi Xu | Automatic throttle discharging valve of steamer |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170299179A1 (en) | 2017-10-19 |
| TW201736777A (en) | 2017-10-16 |
| DE102017100156A1 (en) | 2017-10-19 |
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