CN2497173Y - Gas heating stove controlling device - Google Patents
Gas heating stove controlling device Download PDFInfo
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- CN2497173Y CN2497173Y CN 01231683 CN01231683U CN2497173Y CN 2497173 Y CN2497173 Y CN 2497173Y CN 01231683 CN01231683 CN 01231683 CN 01231683 U CN01231683 U CN 01231683U CN 2497173 Y CN2497173 Y CN 2497173Y
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Abstract
The utility model provides a controlling device used for a gas warming furnace, comprising a controlling part arranged on a furnace body and an operation part, wherein, the controlling part comprises a valve seat arranged on the furnace body, a main valve which is arranged on the valve seat and consists of two normally closed valves in a parallel connection, and at least a solenoid valve. The operation part mainly comprises a power supply switch and at least a firepower switch. When the power supply switch is switched on, the main valve is shifted to an open position to drive the gas to flow to a source fire nozzle and an igniting pin discharges to generate sparks to ignite the gas to be a source fire, and a power supply connected with the firepower switch is switched on to drive the solenoid valve to be open when the firepower switch is pressed down so as to release gas to the source fire nozzle and the source fire ignites the gas to be a main fire. The operation part can be used as a switch. The utility model overcomes the defects of the prior art, furnace fire can be ignited the size of furnace fire can be regulated by easily operating buttons without neighboring the gas warming furnace, which is convenient as operation of indoor lamps or a remote control.
Description
Technical field
The utility model is about a kind of gas radiator control device, and this control device can utilize simple button operating point burner fire and adjust the stove fire size under needn't the situation near the gas radiator, make the operation of gas radiator can be more convenient easily.
Background technology
Be the utensil radiator for example of fuel with gas,, carry out igniting and adjust the function of stove fire size generally to be commonly called as the piezoelectric ignitor of switch (cock).
Because igniter is installed on the body of heater, the two can not separate in the use, so must walk close to radiator when operating.In addition, for cooperating the thermal current rising principle, the radiator custom is installed on the ground, must bend over or semi-crouch when consequently operating, and this designs for handicapped or older, very inconvenience.
On the other hand, when using the radiator heating, at any time possibly by adjusting stove fire size adjustment indoor temperature, but only being permitted, traditional radiator carries out adjustment stove fire function from the knob of rotating switch, because switch is installed on the body of heater, must walk close to radiator and could adjust the stove fire size, make the operation of radiator still have inconvenience.
Summary of the invention
The purpose of this utility model is addressing the above problem and shortcoming, a kind of gas radiator control device is provided, this control device is contained in desired locations for example on the wall with operating portion, and utilize conductor wire to be electrically connected, thereby allow the user operating radiator near under the situation of radiator with ignition that is contained in body of heater and control part.
Another purpose of the present utility model is to provide a kind of gas radiator control device, and this control device makes things convenient for easily as light switch in the operating room or remote controller as long as the simple button action can be carried out igniting and adjust the stove fire magnitude function.
The technical solution of the utility model is: above-mentioned gas radiator control device comprises:
One control part has
One valve seat has a gas duct, an air inlet and first and second gas outlets, and this air inlet is connected with the gas source, and this first gas outlet is connected female fire-fighting mouth of this gas radiator, and this second gas outlet is connected the main fire-fighting mouth of this gas radiator;
One can open and close gas flows into the path in this duct from this air inlet closed type main valve, is arranged on this valve seat, and is electrically connected with the ignition of this gas radiator; And
At least onely open and close gas flows to the path of this second gas outlet from this duct closed type magnetic valve (magnetic valve), be arranged on this valve seat; And
One operating portion has
One power switch is electrically connected with this ignition; And
At least one firepower switch of controlling this magnetic valve switching is electrically connected with this magnetic valve and this ignition.
Described operating portion can be a switch, and this switch has an air inlet and a gas outlet that is connected with the air inlet of this valve seat, and can control the switching of a microswitch, and the common terminal of this microswitch and normal beginning are electrically connected with this ignition.
Described operating portion can be made of a trusted device and remote controller, this trusted device is electrically connected with this ignition and control part, this remote controller can transmit and receive for this trusted device, to connect or to interrupt being connected to the circuit of this ignition, reaches the switching of each valve of control.
Described main valve is composed in parallel by two (containing) above closed type magnetic valve (normally close valve), and these normally close valves also are electrically connected with this ignition, flow into the path in this duct from this air inlet with synchronous switching gas.
Described control part further comprises a closed type major fire valve that is electrically connected with this ignition, flows to the path of this first gas outlet from this duct with switching gas.
Further comprise a temperature detector, its thermometric portion is installed in temperature place to be measured, and this contact portion is electrically connected with this ignition and firepower switch.
The contact portion of described temperature detector is electrically connected with this ignition and power switch.
Described main valve is electrically connected with two binding posts on this ignition respectively with major fire valve, and controls switching individually by this ignition.
Described ignition comprises a control circuit, can cut off the power supply that is connected to this major fire valve after main fire ignites a period of time.
Described switch is loaded between this main valve and this magnetic valve, or is loaded between this magnetic valve and second gas outlet, makes the gas flow to this duct give throttling.
The advantage of the gas radiator control device that the utility model proposes is: this device can be under needn't the situation near the gas radiator, utilize the simple button action can light and adjust the stove fire size, easily convenient as light switch in the operating room or remote controller, thereby overcome the defective that known technology exists, made things convenient for handicapped or older's operation.
Description of drawings
Fig. 1 adorns the schematic diagram that is used for the gas radiator for the utility model, shows and utilizes straighforward operation radiator situation;
Fig. 2 adorns the schematic diagram that is used for the gas radiator for the utility model, shows and utilizes remote controller radio operation radiator situation;
The gas radiator control device schematic diagram of Fig. 3 for forming according to the utility model first embodiment;
Fig. 4 is the schematic diagram after Fig. 3 start, and when display power supply switch and big fire switch were " ON " operation, main valve, major fire valve and large-capacity valve start became to open the valve position situation, and wherein arrow is the Gas Flow path, and figure below also together;
Fig. 5 is the schematic diagram that is similar to Fig. 4, and when display power supply switch and moderate heat switch were " ON " operation, main valve, major fire valve and middle flow valve start became to open the valve position situation;
Fig. 6 is the schematic diagram that is similar to Fig. 4, and when display power supply switch and little fiery switch were " ON " operation, main valve, major fire valve and the start of rill metered valve became to open the valve position situation;
The gas radiator control device schematic diagram of Fig. 7 for forming according to the utility model second embodiment, show that the large-capacity valve omission need not, and becoming large-capacity valve with middle flow valve and the parallel connection of rill metered valve, main valve and major fire valve are electrically connected situation respectively with two binding posts on the ignition simultaneously;
Fig. 8 is the gas radiator control device schematic diagram (the 3rd embodiment) that is similar to Fig. 7, shows that major fire valve omits without situation;
Fig. 9 is for omitting the gas radiator control device schematic diagram (the 4th embodiment) behind the normally close valve among Fig. 8;
The gas radiator control device schematic diagram of Figure 10 for forming according to the utility model the 5th embodiment shows the operating portion situation that replaces Fig. 8 with a switch;
Figure 11 is for omitting the gas radiator control device schematic diagram (the 6th embodiment) behind the normally close valve and magnetic valve among Figure 10.
Figure number explanation: 1, control part 5, operating portion 6, switch 7, body of heater 8, ignition 10, control device 11, valve seat 12, main valve 13, normally close valve 14, normally close valve 15, major fire valve 16, large-capacity valve 17, middle flow valve 18, rill metered valve 19, duct 20, air inlet 21, first gas outlet 22, the second gas outlet 23-28, valve plug 29-33, siphunculus 34-39, O shape ring 40-45, siphunculus 46, screen pack 50, indicator lamp 51, power switch 52, big fire switch 53, moderate heat switch 54, little fiery switch 55, linkage type switch 56, contact portion 57, trusted device 58, remote controller 61, air inlet 62, give vent to anger 63, screen pack 65, microswitch 66, actuator 71, appendix 72, female fire-fighting mouth 73, main 74, main fire-fighting mouth 81, battery 82, ignition plug 83, inductor
The specific embodiment
The utility model is that the technological means that achieves the above object can be clear fully with reference to the embodiment explanation of following conjunction with figs..
As shown in Figure 1, specific implementation gas radiator of the present utility model control device 10 is made up of a control part 1 and operating portion 5, and wherein control part 1 is loaded on body of heater 7, and is electrically connected with the ignition 8 that is contained in body of heater 7 equally; Operating portion 5 is installed in outside the body of heater 7, for example on the wall, and be electrically connected, thereby the user just can be under need not the situation near radiator with control part 1 and ignition 8, the plural press button 51-54 operation radiator that utilizes operating portion 5 to provide is carried out igniting and is adjusted the stove fire magnitude function.Then describe each parts in detail:
As shown in Figure 3, control part 1 comprises a valve seat 11, to support a main valve 12, major fire valve 15, large-capacity valve 16, middle flow valve 17 and rill metered valve 18, wherein valve seat 11 has a gas duct 19, and an air inlet 20 and two gas outlets 21 and 22 are arranged, wherein air inlet 20 connects the gas source, and inlays a screen pack 46, to filter the impurity particle in the gas; First gas outlet 21 is connected main fire-fighting mouth 74 through female fire-fighting mouth 72, the second gas outlets 22 mat mains 73 that appendix 71 is connected the gas radiator.Main valve 12 is composed in parallel by two (containing) above closed type magnetic valve (calling normally close valve in the following text) 13 and 14, is electrically connected with ignition 8 simultaneously, to open synchronously gas flows into duct 19 from air inlet 20 path.Major fire valve 15 is electrically connected with ignition 8, with open and close gas from the duct 19 paths that flow to first gas outlet 21.Large-capacity valve 16 is subjected to big fire switch 52 control of operating portion 5,19 flows to the path of second gas outlet 22 to open and close gas from the duct, and can disengage a large amount of relatively gas, to obtain big stove fire.In flow valve 17 be subjected to moderate heat switch 53 control, 19 flow to the path of second gas outlet 22 to open and close gas from the duct, and amount gas in disengaging, to produce moderate stove fire.Rill metered valve 18 is subjected to 54 controls of little fiery switch, 19 flows to the path of second gas outlet 22 to open and close gas from the duct, and can disengage gas in a small amount, forms little stove fire.Above-mentioned six valve 13-18 all are the magnetic valves (Solenoid Valve) that utilize electrical control, and are closed type (Normally Closed), that is when outage, its contact separately, and valve plug 23-28 closure, gas can not circulate; During energising, its contact engages, and valve plug 23-28 opens, and gas can circulate.Because magnetic valve 13-18 belongs to known technology, so further specify real unnecessary.
Though the gas flow that each magnetic valve 13-18 can disengage is different, but make for convenience, the structure of each magnetic valve 13-18 is identical, uniquely different be, the siphunculus 29-33 internal diameter that is sleeved on each magnetic valve 13-18 gas outlet differs, siphunculus 29-33 by different inner diameters changes the gas flow that disengages from each magnetic valve 13-18, and this design makes each magnetic valve 13-18 have interchangeability, promptly only needs to produce a kind of magnetic valve and goes up needs with regard to satisfying to make.In addition, the outside all snares one of siphunculus 29-33 can keep friction tight O shape ring 34-39 with its gas outlet inwall respectively, form sealing reliably between the contact-making surface of the two, to prevent gas leakage.Certainly, the siphunculus 40-45 internal diameter that is sleeved on each magnetic valve 13-18 air intake by change also can reach the purpose of disengaging different gas flows, and its situation is same as described above, repeats no more.
As shown in Figure 3, operating portion 5 provides an indicator lamp 50, power switch 51, big fire switch 52, moderate heat switch 53 and little fiery switch 54, wherein indicator lamp 50 is by control circuit (scheming not shown) control light on and off that are included in the operating portion 5, this control circuit is electrically connected with battery 81, when battery 81 power shortages, can drive indicator lamp 50 bright lamps, change battery 81 in good time with the prompting user.Power switch 51 is used to connect or interrupt being connected to the circuit of ignition 8.Big fire switch 52 is electrically connected with large-capacity valve 16, with the switching of control large-capacity valve 16.Moderate heat switch 53 is electrically connected with middle flow valve 17, with the switching of flow valve 17 in the control.Little fiery switch 54 is electrically connected with rill metered valve 18, with the switching of control rill metered valve 18.In addition, these firepower switches 52-54 constitutes a linkage type switch 55, that is presses big fire switch 52 and be " ON " when operation, moderate heat switch 53 and little fiery switch 54 automatic involution " OFF " positions; When moderate heat switch 53 is " ON " operation, big fire switch 52 and little fiery switch 54 automatic involution " OFF " positions; During little fiery switch 54 " ON " operation, big fire switch 52 and the 53 automatic involutions of moderate heat switch are " OFF " position.Because of linkage type switch 55 also belongs to known technology, so do not give unnecessary details.
Below how explanation the utility model controls the gas radiator.As shown in Figure 4, when pressing power switch 51, can connect the circuit that is connected to ignition 8, make main valve 12 (being normally close valve 13 and 14) and major fire valve 15 starts become out valve position (being that its valve plug 23-25 opens), allow gas to flow into duct 19, and flow to female fire-fighting mouth 72 from first gas outlet 21 by major fire valve 15, become female fire by the spark initiation of ignition plug 82 discharge generation; After in case female fire is lighted, inductor 83 promptly detects and exports a signal to ignition 8, make ignition plug 82 stop discharge, and connection is connected to the power supply of linkage type switch 55, this moment is if press a wherein firepower switch (pressing big fire switch 52 earlier in this hypothesis), large-capacity valve 16 can become to open valve position (being that its valve plug 26 is opened) because of the energization excitation start, make gas can pass through large-capacity valve 16, and flow to main fire-fighting mouth 74 from first gas outlet 22, being ignited by female fire becomes main fire, and the supply heating needs to use.Because gas is to disengage from large-capacity valve 16, so the stove fire maximum.
When making indoor temperature too high too greatly because of stove fire, can be as shown in Figure 5, press moderate heat switch 53, flow valve 17 (is that its valve plug 27 is opened because of the energization excitation start becomes to open valve position in making, this moment, big fire switch 52 and the 54 automatic involutions of little fiery switch were " OFF " position, and valve position is closed in 18 maintenances of large-capacity valve 16 and rill metered valve), and allow gas to flow to main fire-fighting mouth 74 by middle flow valve 17, amount gas makes stove fire moderate in the supply, and female simultaneously fire keeps.
Desire transfers to stove fire hour, then as shown in Figure 6, press little fiery switch 54, making rill metered valve 18 (is that its valve plug 28 is opened because of the energization excitation start becomes to open valve position, this moment, big fire switch 52 and the 53 automatic involutions of moderate heat switch were " OFF " position, and valve position is closed in 17 maintenances of large-capacity valve 16 and middle flow valve), and allow gas to flow to main fire-fighting mouth 74 by rill metered valve 18, supply gas in a small amount diminishes stove fire, and female simultaneously fire keeps.
As mentioned above, be not difficult to understand that the utility model is after pressing power switch 51 and successfully lighting a fire, press big fire switch 52, moderate heat switch 53 or little fiery switch 54 again, make large-capacity valve 16, middle flow valve 17 or 18 starts of rill metered valve become to open valve position, need to use with the gas supply burning that disengages different flow, reach and adjust stove fire size purpose, this design more known piezoelectric ignitor in operation is more simple, and is easily convenient as light switch in the operating room.
In addition, as shown in Figure 2, mainly the operating portion 5 that is made of press button 51-54 also can be replaced by a trusted device 57 and remote controller 58, this trusted device 57 is installed on body of heater 7, and be electrically connected with ignition 8 and control part 1, this remote controller 58 can transmit and receive for trusted device 57, to connect or to interrupt being connected to the circuit of ignition 8, and the switching of each magnetic valve 13-18 of control, reach wireless remote control operation radiator purpose.
In a preferred embodiment, as shown in Figure 3, control device 10 further comprises a temperature detector, and the thermometric portion of this temperature detector (scheming not shown) is installed in temperature place to be measured (inside and outside the body of heater 7 all can), and contact portion 56 is electrically connected with ignition 8 and linkage type switch 55 respectively.When indoor temperature surpasses the temperature detector preset temperature, its contact promptly separates, and interruption is connected to the power supply of big fire switch 52, moderate heat switch 53 or little fiery switch 54, make large-capacity valve 16, middle flow valve 17 or rill metered valve 18 close valve position because of outage demagnetization involution, nationality makes main fire extinguish (but female fire still keeps) to stop gas to flow to main fire-fighting mouth 74.When temperature is reduced to the temperature detector preset temperature in case main fire extinguishes, its contact promptly engages and connects the power supply that is connected to big fire switch 52, moderate heat switch 53 or little fiery switch 54, make large-capacity valve 16, middle flow valve 17 or 18 starts of rill metered valve become to open valve position, continuing to disengage gas is main fire for igniting, and reaches the thermostatic control purpose by this.
Certainly, the contact portion 56 of temperature detector also can be electrically connected (consulting Fig. 7) with ignition 8 and power switch 51 respectively.So when temperature was increased to predetermined value, its contact portion 56 will separate, and interruption is connected to the circuit of ignition 8, and main fire and female fire are extinguished simultaneously.When temperature was reduced to predetermined value, contact portion 56 can engage again, and connected the circuit that is connected to ignition 8, recovered the preceding mode of operation of radiator outage.
In addition, the utility model is not limited by above-mentioned first embodiment, for example, can be as shown in Figure 7, omit large-capacity valve 16 than first embodiment (being Fig. 3), and the cooperation of flow valve 17 and rill metered valve 18 replaces the function of large-capacity valve 16 in utilizing.In order to cooperate this change, the big fire switch 52 of operating portion 5 is electrically connected with middle flow valve 17 and rill metered valve 18 again simultaneously, thereby when pressing big fire switch 52, moderate heat switch 53 and little fiery switch 54 just can be " ON " operation simultaneously, 18 synchronous starts become out valve position to flow valve 17 with the rill metered valve in making, to disengage the gas of big flow, the supply burning needs to use.
As shown in Figure 7, main valve 12 and major fire valve 15 can be electrically connected and switching synchronously with same binding post on the ignition 8 by among first embodiment, change into being electrically connected with two binding posts on the ignition 8 separately, and control switching respectively by ignition 8.Benefit as for this design is further to increase by a control circuit in ignition 8, makes after main fire ignites the several seconds, interrupts being connected to the circuit of major fire valve 15 automatically, make its valve plug 25 sealings, stop gas to disengage,, reach power saving and save the gas purpose to extinguish female fire.
As shown in Figure 8, be need not with 15 omissions of the major fire valve among Fig. 7, make the gas that main valve 12 disengages to flow to female fire-fighting mouth 72 via major fire valve 15 controls and directly following appendix 71, become female fire by the spark initiation of ignition plug 82 discharge generation from first gas outlet 21; Its follow-up operating principle comprises operation big fire switch 52, moderate heat switch 53 or little fiery switch 54 adjustment stove fire sizes etc., and is all identical with first embodiment, repeats no more.
Seeing also Fig. 9, is that a normally close valve 14 among Fig. 8 is omitted no embodiment, and in addition, the operating principle of two embodiment is identical, no longer repeat specification.
In addition, as shown in figure 10, also can use a switch 6 to replace the operating portion 5 of the 3rd embodiment (being Fig. 8), this switch 6 has an air inlet 61 and gas outlet 62, wherein air inlet 61 connects the gas source, and inlay a screen pack 63, to filter the impurity particle in the gas, this gas outlet 62 is connected with the air inlet 20 of valve seat 11, to open and close the path of gas, the gas flow that reaches pipeline gives throttling, and can control the switching of a microswitch 65, and Chang Kaiduan and the common terminal of this microswitch 65 are electrically connected with ignition 8 respectively, knob (scheming not shown) when rotary switch 6, and during the actuator 66 of compressing microswitch 65, two-terminal promptly can engage, and connects the circuit be connected to ignition 8, make normally close valve 13 become out valve position with 14 synchronous starts, allow gas to flow into duct 19, and flow to female fire-fighting mouth 72, become female fire by the spark initiation of ignition plug 82 discharge generation from first gas outlet 21; After in case female fire is lighted, inductor 83 promptly detects and exports a signal to ignition 8, make ignition plug 82 stop discharge, connect the power supply that is connected to magnetic valve 17 and 18 simultaneously, make its energization excitation and start becomes to open valve position (being that its valve plug 27 and 28 is opened), so gas just can pass through this magnetic valve 17 and 18, follow main 73 from second gas outlet 22 and flow to main fire-fighting mouth 74, being ignited by female fire becomes main fire, the supply heating needs to use, and the gas flow of pipeline is given throttling by the knob of rotating switch 6, to adjust the stove fire size.Because switch 6 is known article, so further specify real unnecessary.
As for Figure 11 then is embodiment after Figure 10 simplifies, and its situation is that a normally close valve among Figure 10 14 and a magnetic valve 18 are omitted, and by a switch 6, a normally close valve 13 and a magnetic valve 17 control gas radiator situations.Because its operating principle is identical with Figure 10, so do not give unnecessary details.
Certainly, the foregoing description can not break away under the scope of the present utility model in addition some variations, thus above explanation comprises and accompanying drawing shown in whole items should be considered as exemplary and non-limiting.
Claims (10)
1, a kind of gas radiator control device, it is characterized in that: this device comprises:
One control part has
One valve seat has a gas duct, an air inlet and first and second gas outlets, and this air inlet is connected with the gas source, and this first gas outlet is connected female fire-fighting mouth of this gas radiator, and this second gas outlet is connected the main fire-fighting mouth of this gas radiator;
One can open and close gas flows into the path in this duct from this air inlet closed type main valve, is arranged on this valve seat, and is electrically connected with the ignition of this gas radiator; And
At least onely open and close gas flows to the path of this second gas outlet from this duct closed type magnetic valve, be arranged on this valve seat; And
One operating portion has
One power switch is electrically connected with this ignition; And
At least one firepower switch of controlling this closed type magnetic valve switching is electrically connected with this closed type magnetic valve and this ignition.
2, gas radiator control device as claimed in claim 1, it is characterized in that: described operating portion can be a switch, this switch has an air inlet and a gas outlet that is connected with the air inlet of this valve seat, and can control the switching of a microswitch, the common terminal of this microswitch and normal beginning are electrically connected with this ignition.
3, gas radiator control device as claimed in claim 1, it is characterized in that: described operating portion can be made of a trusted device and remote controller, this trusted device is electrically connected with this ignition and control part, this remote controller can transmit and receive for this trusted device, to connect or to interrupt being connected to the circuit of this ignition, reach the switching of each valve of control.
4, as each described gas radiator control device of claim 1 to 3, it is characterized in that: described main valve is composed in parallel by the closed type magnetic valve more than two or two, these closed type magnetic valves also are electrically connected with this ignition, flow into the path in this duct from this air inlet with synchronous switching gas.
5, as each described gas radiator control device of claim 1 to 3, it is characterized in that: described control part further comprises a closed type major fire valve that is electrically connected with this ignition, flows to the path of this first gas outlet from this duct with switching gas.
6, gas radiator control device as claimed in claim 1 or 2 is characterized in that: further comprise a temperature detector, its thermometric portion is installed in temperature place to be measured, and this contact portion is electrically connected with this ignition and firepower switch.
7, gas radiator control device as claimed in claim 6, it is characterized in that: the contact portion of described temperature detector is electrically connected with this ignition and power switch.
8, gas radiator control device as claimed in claim 5 is characterized in that: described main valve is electrically connected with two binding posts on this ignition respectively with major fire valve, and controls switching individually by this ignition.
9, gas radiator control device as claimed in claim 8, it is characterized in that: described ignition comprises a control circuit, can cut off the power supply that is connected to this major fire valve after main fire ignites a period of time.
10, gas radiator control device as claimed in claim 2, it is characterized in that: described switch is loaded between this main valve and this magnetic valve, or is loaded between this magnetic valve and second gas outlet, makes the gas flow to this duct give throttling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01231683 CN2497173Y (en) | 2001-07-20 | 2001-07-20 | Gas heating stove controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01231683 CN2497173Y (en) | 2001-07-20 | 2001-07-20 | Gas heating stove controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2497173Y true CN2497173Y (en) | 2002-06-26 |
Family
ID=33645894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01231683 Expired - Lifetime CN2497173Y (en) | 2001-07-20 | 2001-07-20 | Gas heating stove controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2497173Y (en) |
-
2001
- 2001-07-20 CN CN 01231683 patent/CN2497173Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110720 Granted publication date: 20020626 |