CN106641310A - Plug of gas valve - Google Patents

Plug of gas valve Download PDF

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Publication number
CN106641310A
CN106641310A CN201510731654.6A CN201510731654A CN106641310A CN 106641310 A CN106641310 A CN 106641310A CN 201510731654 A CN201510731654 A CN 201510731654A CN 106641310 A CN106641310 A CN 106641310A
Authority
CN
China
Prior art keywords
pore
son
approaching channel
oil groove
closes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510731654.6A
Other languages
Chinese (zh)
Other versions
CN106641310B (en
Inventor
黄重景
黄锦颖
黄信铭
黄信雄
叶严仁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grand Mate Co Ltd
Original Assignee
Grand Mate Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grand Mate Co Ltd filed Critical Grand Mate Co Ltd
Priority to CN201510731654.6A priority Critical patent/CN106641310B/en
Publication of CN106641310A publication Critical patent/CN106641310A/en
Application granted granted Critical
Publication of CN106641310B publication Critical patent/CN106641310B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • F16K5/0207Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08Details
    • F16K5/22Features relating to lubrication
    • F16K5/222Features relating to lubrication for plugs with conical surfaces

Abstract

The invention discloses a plug of a gas valve. The plug is provided with an axle hole in the axial direction, and a first gas hole and a second gas hole which are in the radial direction, wherein the first gas hole and the second gas hole communicate with the axle hole; the hole diameter of the first gas hole is larger than the hole diameter of the second gas hole; the outer ring surface of the plug is concave inwards to form one first guide groove and at least one first oil accommodating groove; the first guide groove is provided with a first end and a second end; the first end communicates with the first gas hole; the second end is close to the second gas hole and does not communicate with the second gas hole; and the first oil accommodating groove is close to the second end of the first guide groove and does not communicate with the first guide groove or the second gas hole. Therefore, the first oil accommodating groove provides a space for accommodating lubricating oil, the opportunity that lubricating oil enters the first guide groove can be decreased, and flow of gas passing through the plug is not suddenly decreased or interrupted when the plug is rotated.

Description

Gas valve closes son
Technical field
The present invention is relevant with gas valve;Particularly relate to a kind of gas valve closes son.
Background technology
The son that closes for becoming known for gas valve is installed in a gas valve, to adjust by the gas valve Gas flow.It is existing close son as shown in Taiwan new patent M276159, disclosed in the case Close son to be installed in the body of a gas valve gear, this closes inside son and is provided with a gas runner, closes at this The perisporium of son is provided with a big fire hole and a small fire hole of the insertion gas runner, another in the perisporium for closing son A variable cross-section groove is provided with, the big fire hole allows the gas of injection to flow into the gas runner with big flow, and this is little Fire hole allows the gas of injection to flow into the gas runner with low discharge, using the guiding of the variable cross-section groove, The big fire hole will not interrupt to making gas persistently convey between the small fire hole, and in the way of approximately linear Adjust the gas flow by the gas valve gear.
Please coordinate shown in Fig. 1, when actually used, the outer ring surface 10a for closing the perisporium of son 10 will Meeting coating lubricating oil, to increase the lubricity closed between son 10 and body, however, existing close son 10 is vertical with sub- rotation direction is closed in the apical margin of the variable cross-section groove 104 of the neighbouring small fire hole 102, such as This easily forms shaving, and lubricating oil L is scraped in the variable cross-section groove 104 so that lubricating oil L tires out Product is in the variable cross-section groove 104 near the region of the small fire hole 102.When lubricating oil L accumulations are excessive and close Son 10 is corresponded to the position of the gas inlet 12 of body by big fire hole 106, is turned to the variable cross-section groove When 104 regions inserted by lubricating oil are corresponding with the gas inlet 12 of the body, it will gas occurs The situation of flow rapid drawdown, makes what is more gas runner blocked and causes gas to interrupt.
The content of the invention
In view of this, it is an object of the invention to provide a kind of gas valve closes son, can avoid by closing The gas flow rapid drawdown or interruption of son.
Gas valve provided by the present invention closes son, with the axis hole on axial direction, and positioned at footpath One first pore upwards and one second pore, first pore and second pore distinctly with the axis hole Communicate, and the aperture of first pore is more than the aperture of second pore;The outer ring surface that this closes son is recessed Be formed with one first approaching channel and hold oil groove with least one first, first approaching channel from first pore toward this The direction of two pores extends, and first approaching channel has a first end and one second end, the first end connection First pore, second end is connected adjacent to second pore and not with second pore;This first Hold oil groove to be adjacent to the second end of first approaching channel and be not connected with first approaching channel or second pore It is logical.
Effect of the invention is that then providing the space for accommodating lubricating oil by the first appearance oil groove, can subtract Less or avoid enter into the first approaching channel lubricating oil amount, especially into the amount of the lubricating oil at the second end, Many lubricating oil are accumulated at the second end for avoiding the first approaching channel, allow when closing sub- rotation, by the gas for closing son Flow will not rapid drawdown or interruption.
Description of the drawings
Fig. 1 is the existing sectional circumference expanded view for closing son.
Fig. 2 is the gas valve sectional view of the first preferred embodiment of the invention.
Fig. 3 is that sub- stereogram is closed in the first preferred embodiment.
Fig. 4 is that sub- other direction stereogram is closed in the first preferred embodiment.
Fig. 5 is the 5-5 cut-away views of Fig. 4.
Fig. 6 is that sub- sectional circumference expanded view is closed in the first preferred embodiment.
Fig. 7 is the gas valve sectional view of the second preferred embodiment of the invention.
Fig. 8 is that sub- stereogram is closed in the first preferred embodiment.
Fig. 9 is that sub- other direction stereogram is closed in the first preferred embodiment.
Figure 10 is that sub- sectional circumference expanded view is closed in the first preferred embodiment.
Figure 11 is that sub- sectional circumference expanded view is closed in the 3rd preferred embodiment.
Figure 12 is that sub- sectional circumference expanded view is closed in the 4th preferred embodiment.
【Symbol description】
[prior art]
10 close the sub- small fire hole of 10a outer ring surfaces 102
The gas inlet of 104 106 big fire hole of variable cross-section groove 12
L lubricating oil
[present invention]
1 gas valve
100 valve body 100a the first air flue the second air flues of 100b
The drive rod of 100c rooms 200
20 close son
The open end of 22 axis hole of 20a outer ring surfaces 222
The pore of 224 blind end, 24 first pore 26 second
The approaching channel of 262 first hole section, 264 second hole section 28 first
282 first end, 284 second end 30 first holds oil groove
2 gas valves
300 valve body 300a the first air flue the second air flues of 300b
The air flues of 300c the 3rd
32 close son
The open end of 34 axis hole of 32a outer ring surfaces 342
The approaching channel of 36 first pore, 38 second pore 40 first
42 first hold the pore of the 3rd pore 46 of oil groove 44 the 4th
The end of 48 second approaching channel, 482 first end 484 second
50 second hold oil groove
I1 extension lines
I2 extension lines
52 close son
54 close son
54a outer ring surfaces
Specific embodiment
For this creation can be illustrated more clearly that, hereby lifts preferred embodiment and coordinate schema to describe in detail as after, Please join shown in Fig. 2, be closing with the first preferred embodiment of the invention son 20 gas valve 1, this watt This valve 1 has a valve body 100 and a drive rod 200, the valve body 100 with one first air flue 100a, One second air flue 100b and one connects an appearance of the first air flue 100a and second air flue 100b Room 100c.This closes son in the room 100c of the valve body 100, and the outer ring surface for closing son 20 is then applied There is lubricating oil, to increase the smooth of the rotation of son 20 is closed.This closes son 20 for the connection of drive rod 200, with The rotation of son 20 is closed for turning this.In the present embodiment, the first air flue 100a injects for gas, and this Two air flue 100b are exported for gas, but are not limited, also can be by second air flue 100b injections watt This, and gas is exported by first air flue 100a.
Fig. 3 to Fig. 6 is referred to, this closes son 20 with the axis hole 22 on axial direction, positioned at footpath One first pore 24 upwards and one second pore 26 and from the recessed formation of its outer ring surface 20a One first approaching channel 28 holds oil groove 30 with least one first, in the present embodiment, at least first appearance oil groove 30 quantity is two.The axis hole 22 has an open end 222 and a blind end 224, the open end 222 pairs should gas valve 1 the second air flue 100b.First pore 24 is each with second pore 26 Do not communicate with the axis hole 22.In the present embodiment, second pore 26 includes one first hole section for communicating 262 and one second hole section 264, the hole of the aperture of first hole section 262 more than second hole section 264 Footpath, and the aperture of second hole section 264 has minimum aperture, and to limit second pore 26 is passed through Gas flow, and the aperture of first pore 24 more than second pore 26 the second hole section hole Footpath.
First approaching channel 28 is along outer ring surface 20a from first pore 24 toward the direction of the second pore 26 Extend, and the extension line I1 of first approaching channel 28 is by the center of first pore 24 and second gas The center in hole 26.First approaching channel 28 has a first end 282 and one second end 284, wherein should First end 282 connect first pore 24, second end 284 adjacent to second pore 26 not with Second pore 26 is connected.The groove width of the first end 282 is more than the groove width at second end 284, Groove width tapers off from the first end 282 toward the direction of the second end 284, and is formed in second end 284 One is sophisticated.The groove depth of the first approaching channel 28 is then the direction from the first end 282 toward second end 284 Taper off.
This 2 first appearance oil groove 30 be adjacent to first approaching channel 28 the second end 284 and not with this first Approaching channel 28 or second pore 26 are connected.In the present embodiment, the 2 first appearances oil groove 30 is along this Close son 20 axially according to side by side, and the second end 284 of first approaching channel 28 is located at this and 2 first holds Between oil groove 30, preferably, the second end 284 of first approaching channel 28 and the one of the second pore 26 Part is located between the 2 first appearances oil groove 30.This 2 first holds oil groove 30 in elongated, and this 2 the The extension line I2 of the one long axial direction for holding oil groove 30 is parallel with the extension line I1 of first approaching channel, that is, should The two the first hold the long axially parallel with the bearing of trend of first approaching channel 28 of oil groove 30.
Rotate this close sub 20 when, through this cross first pore 24, second pore 26 second The event of groove width gradual change of the difference in the aperture of hole section 264 and first approaching channel 28, can linearly adjust Section crosses this and crosses the gas flow for closing son 20 by first air flue 100a.When this closes son 20 and rotates, The 2 first appearances oil groove 30 is introduced in the range of first air flue 100a.In practice, design makes each At least a portion of the first appearance oil groove 30 is closed when son 20 is rotated positioned at this and enters first air flue 100a In the range of.
Because the first appearance oil groove 30 provides the space for accommodating lubricating oil, it is possible to reduce draw into first The amount of the lubricating oil of groove 42, especially into the amount of the lubricating oil at the second end 284.Therefore, it can Many lubricating oil are accumulated at the second end 284 for being prevented effectively from the first approaching channel 28, allow when closing son 20 and rotating, Will not rapid drawdown or interruption by closing the gas flow of son 20.
Fig. 7 show the gas valve 2 for closing son 32 with the second preferred embodiment of the invention, and it has Be approximately identical to the structure of the gas valve 1 of aforementioned first embodiment, except for the difference that, the present embodiment watt The valve body 300 of this valve 2 has one first air flue 300a, one second air flue 300b, one the 3rd air flue 300c.In the present embodiment, the first air flue 300a injects for gas, second, third air flue 300c For gas output.
Fig. 8 to Figure 10 for the present embodiment close son 32, its have be approximately identical to it is aforementioned first implement The structure of example, except the first pore 36, the second pore 38, the first approaching channel 40 and 2 first hold oil Outside groove 42, in this first appearance oil groove 42 and this close between the open end 342 of sub 32 axis hole 34 Perisporium, with more positioned at one the 3rd pore 44 radially and one the 4th pore 46, and outer ring surface 32a More recessed one second approaching channel 48 that is formed with holds oil groove 50 with least one second, and the present embodiment is with two Second holds as a example by oil groove 50.
3rd pore 44 is distinctly communicated with the 4th pore 46 with the axis hole 34, and the 3rd gas Aperture of the aperture in hole 44 more than the 4th pore 46.Second approaching channel 48 is by the 3rd pore 44 Direction toward the 4th pore 46 extends, and second approaching channel 48 has a first end 482 and one second End 484, the first end 482 of second approaching channel 48 connects the 3rd pore 44, second approaching channel 48 The second end 484 be connected adjacent to the 4th pore 46 and not with the 4th pore 46, and this second The groove width of approaching channel 48 tapers off from its first end 482 toward its direction of the second end 484, and in this second It is sophisticated that second end 484 of approaching channel 48 forms one.
The second appearance oil groove 50 is adjacent to the second end 484 of second approaching channel 48 and second does not draw with this The pore 46 of groove 48 or the 4th is connected.In the present embodiment, this 2 second holds the sequentially edge of oil groove 50 This closes the axially arranged side by side of son 32, and the second end 484 of second approaching channel 48 is located at the 2 second appearances oil Between groove 50, preferably, the second end 484 of the second approaching channel 48 and a part for the 4th pore 46 Between the 2 second appearances oil groove 50.The 2 second appearances oil groove 50 is in elongated, and 2 second appearance The long axial direction of oil groove 50 and second approaching channel 48, first approaching channel 40 and the 2 first appearances oil groove 42 Bearing of trend it is parallel.In the present embodiment, when this closes son 32 and rotates, the 2 second appearances oil groove 50 It is introduced in the range of the 3rd air flue 300c.In practice, design make respectively this second hold oil groove 50 At least a portion is closed when son 32 is rotated positioned at this and entered in the range of the 3rd air flue 300a.
First pore 36, second pore 38, first approaching channel 40 and the first of the valve body 300 Air flue 300a correspondences;3rd pore 44, the 4th pore 46, second approaching channel 48 and the valve The 3rd air flue 300c correspondences of body 300.Therefore, can make gas valve 2 simultaneously from the second air flue 300b And the 3rd air flue 300c export two kinds of different gas flows respectively.And this close son 32 rotate when, from The gas flow of the second air flue 300b and the 3rd air flue 300c outputs can be adjusted linearly.And this two Second appearance oil groove 50 can be prevented effectively from the second end 484 of the second approaching channel 48 and accumulate many lubricating oil, Allow close son 32 rotate when, from the air flue 300c of valve body the 3rd output gas flow will not rapid drawdown or interruption.
Figure 11 is that son 52 is closed in 3rd preferred embodiment of the invention, and it has, and to be approximately identical to second real The structure for closing son 32 of example is applied, except for the difference that, the quantity of the second appearance oil groove 50 of the present embodiment is one It is individual, and a part for the second end 484 of second approaching channel 48 and the 4th pore 46 be located at one this first Hold between oil groove 42 and the second appearance oil groove 50.
Figure 12 is that son 54 is closed in 4th preferred embodiment of the invention, and it has, and to be approximately identical to second real The structure for closing son 32 of example is applied, except for the difference that, the 3rd pore 44 and first gas of the present embodiment Sequence in the axial direction of son 54 is closed in hole 36 in this, and the 4th pore 46 is with second pore 38 in this Sequence in the axial direction of son 54 is closed, and second pore 38 closes the circle of sub 54 outer ring surface 54a in this It is located between the 3rd pore 44 and the 4th pore 46 in circumferential direction.
Mentioned above, the son that closes of gas valve of the present invention holds the excessive lubricating oil of oil groove receiving by setting up, Excessive lubricating oil is accumulated at the second end that the first approaching channel or the second approaching channel can be avoided, when making to close sub- rotation, Will not rapid drawdown or interruption by closing the gas flow of son.It is noted that due to the first approaching channel or In tip, the shaving that therefore, it can allow the second end apical margin to be formed reduces, to subtract at second end of two approaching channels Few lubricating oil accumulates the chance at first approaching channel or the second end of the second approaching channel.It is each to implement in practice The groove width of the approaching channel of example is not limited with tapered, also can be the wide aspect tapered with local in wide or local.
Preferably possible embodiments of the invention are the foregoing is only, and the gas in embodiment is closed simply The present invention close son application examples, such as using carried out by description of the invention and claim etc. Effect change, ought to be included in the patent application protection domain of the present invention.

Claims (12)

1. a kind of gas valve closes son, with the axis hole on axial direction, and positioned at radially One first pore and one second pore, first pore distinctly communicates with second pore with the axis hole, And the aperture of first pore is more than the aperture of second pore;It is characterized in that:
Recessed one first approaching channel that is formed with of outer ring surface for closing son holds oil groove with least one first, and this first Direction of the approaching channel from first pore toward second pore extends, first approaching channel have a first end with One second end, the first end connects first pore, second end adjacent to second pore and not with this Second pore is connected;This first appearance oil groove be adjacent to first approaching channel the second end and not with this first Approaching channel or second pore are connected.
2. gas valve as claimed in claim 1 closes son, and wherein this first holds oil groove in elongated, and The long axial direction of the first appearance oil groove is parallel with the bearing of trend of first approaching channel.
3. gas valve as claimed in claim 1 closes son, and wherein the second end of first approaching channel is point End.
4. gas valve as claimed in claim 1 closes son, and wherein first quantity for holding oil groove is two, The 2 first appearance oil groove along this close son axially side by side, and the second end of first approaching channel be located at this 2 the One holds between oil groove.
5. gas valve as claimed in claim 4 closes son, wherein second end and second of the first approaching channel A part for pore is located between the 2 first appearances oil groove.
6. gas valve as claimed in claim 3 closes son, wherein closing son radially with more positioned at this One the 3rd pore and one the 4th pore, the 3rd pore distinctly communicates with the 4th pore with the axis hole, And the 3rd pore aperture more than the 4th pore aperture;This closes the more recessed formation of outer ring surface of son There is one second approaching channel and one second to hold oil groove, second approaching channel is from the 3rd pore toward the 4th pore Direction extends, and the first end that second approaching channel has a first end and one second end, second approaching channel connects Logical 3rd pore, the second end of second approaching channel adjacent to the 4th pore and not with the 4th pore phase Connection;The second appearance oil groove be adjacent to the second end of second approaching channel and not with second approaching channel or this Four pores are connected, and the second end of second approaching channel and a part for the 4th pore are located at first appearance Between oil groove and the second appearance oil groove.
7. gas valve as claimed in claim 6 closes son, and wherein this second holds oil groove in elongated, and The long axial direction of the second appearance oil groove is parallel with the bearing of trend of second approaching channel.
8. gas valve as claimed in claim 6 closes son, and wherein the second end of second approaching channel is point End.
9. gas valve as claimed in claim 1 closes son, wherein closing son radially with more positioned at this One the 3rd pore and one the 4th pore, the 3rd pore distinctly communicates with the 4th pore with the axis hole, And the 3rd pore aperture more than the 4th pore aperture;This closes the more recessed formation of outer ring surface of son There is one second approaching channel to hold oil groove with least one second, second approaching channel is from the 3rd pore toward the 4th gas The direction in hole extends, and second approaching channel has a first end and one second end, and the first of second approaching channel The 3rd pore of end connection, the second end of second approaching channel adjacent to the 4th pore and not with the 4th gas Hole is connected;This second appearance oil groove be adjacent to second approaching channel the second end and not with second approaching channel or 4th pore is connected.
10. gas valve as claimed in claim 9 closes son, and wherein second quantity for holding oil groove is two, The 2 second appearance oil groove along this close son axially side by side, and the second end of second approaching channel be located at this 2 the Two hold between oil groove.
11. gas valves as claimed in claim 10 close son, wherein the second end of the second approaching channel and A part for four pores is located between the 2 second appearances oil groove.
12. gas valves as claimed in claim 9 close son, wherein the 3rd pore and first pore Sequence in the axial direction of son is closed in this, the 4th pore closes phase in the axial direction of son with second pore in this Misplace, and second pore closes on the circumferencial direction of the outer ring surface of son in this and is located at the 3rd pore and is somebody's turn to do Between 4th pore.
CN201510731654.6A 2015-11-02 2015-11-02 Gas valve closes son Active CN106641310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510731654.6A CN106641310B (en) 2015-11-02 2015-11-02 Gas valve closes son

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510731654.6A CN106641310B (en) 2015-11-02 2015-11-02 Gas valve closes son

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Publication Number Publication Date
CN106641310A true CN106641310A (en) 2017-05-10
CN106641310B CN106641310B (en) 2019-11-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110307371A (en) * 2018-03-20 2019-10-08 关隆股份有限公司 Gas and gas valve and its control method
US11060724B2 (en) 2018-01-25 2021-07-13 Grand Mate Co., Ltd. Gas appliance, gas valve and control method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1261141A (en) * 1969-01-18 1972-01-19 Ewarts Ltd Improved gas taps
GB2015702B (en) * 1978-03-07 1982-04-28 Parkinson Cowan Appliances Ltd Gas tap
US5009393A (en) * 1990-06-13 1991-04-23 Harper-Wyman Company Linear flow turn down valve
TW422307U (en) * 1998-07-10 2001-02-11 Chen Jiun Nian Ignition part structure of gas burner switch
US20020033464A1 (en) * 2000-09-15 2002-03-21 Uwe Harneit Linearly regulated gas valve for gas burners
CN2648201Y (en) * 2003-05-29 2004-10-13 关中股份有限公司 Packing of stove on-off valve
US6845966B1 (en) * 2003-12-17 2005-01-25 Albizuri Inigo Gas valve with linear regulation for gas burners
TWM276159U (en) * 2005-05-06 2005-09-21 Taiwan Pao An Ind Co Ltd Shutter of a gas-switch device
CN104061340A (en) * 2013-03-21 2014-09-24 关隆股份有限公司 Closed piece for gas switch

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1261141A (en) * 1969-01-18 1972-01-19 Ewarts Ltd Improved gas taps
GB2015702B (en) * 1978-03-07 1982-04-28 Parkinson Cowan Appliances Ltd Gas tap
US5009393A (en) * 1990-06-13 1991-04-23 Harper-Wyman Company Linear flow turn down valve
TW422307U (en) * 1998-07-10 2001-02-11 Chen Jiun Nian Ignition part structure of gas burner switch
US20020033464A1 (en) * 2000-09-15 2002-03-21 Uwe Harneit Linearly regulated gas valve for gas burners
CN2648201Y (en) * 2003-05-29 2004-10-13 关中股份有限公司 Packing of stove on-off valve
US6845966B1 (en) * 2003-12-17 2005-01-25 Albizuri Inigo Gas valve with linear regulation for gas burners
TWM276159U (en) * 2005-05-06 2005-09-21 Taiwan Pao An Ind Co Ltd Shutter of a gas-switch device
CN104061340A (en) * 2013-03-21 2014-09-24 关隆股份有限公司 Closed piece for gas switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11060724B2 (en) 2018-01-25 2021-07-13 Grand Mate Co., Ltd. Gas appliance, gas valve and control method thereof
CN110307371A (en) * 2018-03-20 2019-10-08 关隆股份有限公司 Gas and gas valve and its control method

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