CN207700283U - Three pot type network pressure superposition water supply systems - Google Patents
Three pot type network pressure superposition water supply systems Download PDFInfo
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- CN207700283U CN207700283U CN201721426841.4U CN201721426841U CN207700283U CN 207700283 U CN207700283 U CN 207700283U CN 201721426841 U CN201721426841 U CN 201721426841U CN 207700283 U CN207700283 U CN 207700283U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model discloses three pot type network pressure superposition water supply systems, including municipal water supply access tube, electric control valve and auxiliary equipment device, pressure transmitter, low water level sensor, water pump assembly, motor-driven valve, compensating tank, residual quantity adjuster, solenoid valve, fluid level transmitter, adjust tank field, water supply tank field and user's outlet pipe, it is characterized in that municipal water supply access tube is connect with the electric control valve and auxiliary equipment device being mounted on above water supply tank field, water supply tank field is exported to be connected with the outlet of adjusting tank field, there is solenoid valve in junction, supplying water and adjusting in tank field has low water level sensor, water supply tank field is connect with water pump assembly user's outlet pipe, tank field is adjusted with residual quantity adjuster compensating tank to be connected, compensating tank is connected with motor-driven valve user's outlet pipe, adjusting on tank field has fluid level transmitter and outlet, outlet is connect with residual quantity adjuster.The utility model is ingenious in design, and it is smaller to solve supply equipment compensation rate, and compensation ability not foot phenomenon is suitble to promote and apply in the defeated water system in city.
Description
Technical field
The present invention relates to defeated supply equipment system regions, particularly belong to three pot type network pressure superposition water supply systems.
Background technology
Traditional pipe network Pressure-superposed water supply equipment works as municipal water pressure by the way that vacuum suppresser is arranged in steady-flow tank inner top to realize
The function of anti-negative pressure when insufficient, but when municipal water pressure deficiency, to ensure negative pressure do not occur in steady-flow tank, air can be by true
Empty suppressor enters in tank to which compensating tank internal drop connects with air for a long time because steady-flow tank is not to completely cut off completely with air
Water quality may be polluted by touching.Our companies devise totally-enclosed Intelligent pipe net laminating water supply equipment thus, but former totally-enclosed is intelligent
Pipe network Pressure-superposed water supply equipment in actual use, it sometimes appear that compensation rate is smaller, the phenomenon of compensation ability deficiency.For this purpose, needle
To the above problem, our company's autonomous Designs have developed three pot type network pressure superposition water supply systems.
Invention content
The present invention provides three pot type network pressure superposition water supply systems, by municipal water supply access tube, electric control valve and
Auxiliary equipment device, pressure transmitter, low water level sensor, water pump assembly, motor-driven valve, compensating tank, residual quantity adjuster, solenoid valve,
Fluid level transmitter, the research and development for adjusting tank field, water supply tank field and user's outlet pipe are preferably combined, and are solved and are carried in above-mentioned background technology
To the problem of, while global design of the present invention is ingenious, and it is smaller to solve totally-enclosed Intelligent pipe net laminating water supply equipment compensation rate, mends
The phenomenon that repaying scarce capacity, eliminates in common water system water in air pressure tank and is contacted with air and be easy contaminated problem, fits
It closes and is promoted and applied in the defeated water system in city.
The technical solution adopted by the present invention is as follows：
Three pot type network pressure superposition water supply systems, including municipal water supply access tube, electric control valve and auxiliary equipment device, pressure
Transmitter, low water level sensor, water pump assembly, motor-driven valve, compensating tank, residual quantity adjuster, solenoid valve, fluid level transmitter, adjusting
Tank field, water supply tank field and user's outlet pipe, it is characterized in that municipal water supply access tube is connect with electric control valve and auxiliary equipment device,
Electric control valve and auxiliary equipment device are mounted on above water supply tank field, and pressure transmitter is mounted on electric control valve and auxiliary equipment fills
It sets between water supply tank field, there are two two outlets for exporting with adjusting tank field lower part to be connected on water supply tank field top, water supply tank field
One of connect that outlet is installed above solenoid valve, water supply tank field and the inside installation for adjusting both tank fields with tank field is adjusted
There are low water level sensor, water supply tank field lower part there are the outlets A to be connect with water pump assembly by pipeline, water pump assembly and user's outlet pipe
Connection adjusts the lower part of tank field altogether there are three outlet, and one of outlet is connected by pipeline with residual quantity adjuster, and residual quantity is adjusted
Device is connected with compensating tank, and compensating tank is connected with motor-driven valve user's outlet pipe, and adjusting tank field top has fluid level transmitter and the outlets F,
Adjust tank field top F outlet connect with residual quantity adjuster by pipeline, adjusting tank field top F export and residual quantity adjuster it
Between pipeline it is installed above have solenoid valve, when municipal water supply access tube water supply be more than user's outlet pipe water demand when, municipal administration
Water supply access tube and electric control valve and the enterprising mouth of a river electric control valve Chang Quankai in auxiliary equipment device junction water supply tank field, supply water
Water in tank field is exported through A is forced into the supply user's use of user's outlet pipe by Pressure Unit, while being exported to adjusting by B
Tank field moisturizing, air is exported to enter by B and adjusts tank field in water supply tank field when water inlet water inlet on water supply tank field, adjusts tank field
Interior air squeezes into compensating tank by the outlets F, and air chamber pressure rises in compensating tank, and when adjusting aqueous position canful in tank field, liquid level becomes
It send device detection signal and feeds back to the control device of water system, solenoid valve is closed, when municipal water supply access tube water supply is less than
When user's outlet pipe water demand, the enterprising mouth of a river electric control valve Slow Close in water supply tank field reduces inflow, and A, which supplies water outlet, to be subtracted
It is few, it adjusts tank field C outlet solenoid valves and opens, adjust tank field inner storing water and be supplemented to water supply tank field, negative pressure is inhibited to generate, adjust tank field
Interior liquid level declines, and fluid level transmitter detection signal and the control device for feeding back to water system, E outlet electric valves are closed, residual quantity
Adjuster is opened, and compensating tank inner storing water is supplemented to by the outlets D decompression and adjusts tank field, and negative pressure is inhibited to generate, and adjusts liquid in tank field
Position drops to setting value, fluid level transmitter detection signal and the control device for feeding back to water system, and F outlet solenoid valves are opened,
Air pressure, which is supplemented to, in compensating tank adjusts tank field, and negative pressure is inhibited to generate, and adjusts liquid level in tank field and continues to decline to when critical point, liquid level
Transmitters sense signal and the control device for feeding back to water system, equipment protection is shut down, when extreme condition, low water level sensing
Device detection data feeds back to the control device of water system, and equipment protection is shut down, when municipal water supply access tube water supply restores
When normal value, residual quantity adjuster is closed, and air, which exports to enter by B, in water supply tank field adjusts tank field, and it is logical to adjust air in tank field
It crosses the outlets F and squeezes into compensating tank, air chamber pressure rises in compensating tank, when adjusting aqueous position canful in tank field, fluid level transmitter detection
Signal and the control device for feeding back to water system, solenoid valve are closed, E outlet electric valve Time Delay Openings, user's outlet pipe moisturizing
To compensating tank, air water dynamic equilibrium in compensating tank, when municipal water supply access tube water supply is effective more than user's water outlet for a long time
When water demand, to ensure that adjusting tank field and compensating tank inner storing water water quality does not generate rotten, this water system entirety timed periodic
State when municipal water supply access tube water supply is less than user's outlet pipe water demand is simulated, integrally pressure acts this water system
Once, it realizes and adjusts tank field and the update of compensating tank inner storing water, to ensure water supply quality safety, when the small flow of nighttime users outlet pipe
When with water, residual quantity adjuster is closed, and water pump assembly is intelligently shut down, and motor-driven valve is normally opened, is realized to user by compensating tank inner storing water
Moisturizing, but when rate of water make-up deficiency, pressure transmitter detects signal on outlet pipe, and the auxiliary pump intelligent frequency-conversion in water pump assembly starts,
Municipal administration water inlet is forced into user by the outlets water supply tank field A, and night small flow voltage stabilizing is realized in this cooperation of compensating tank and auxiliary pump
It supplies water.
Compared with the prior art, beneficial effects of the present invention are as follows：
The present invention is sensed by municipal water supply access tube, electric control valve and auxiliary equipment device, pressure transmitter, low water level
Device, motor-driven valve, compensating tank, residual quantity adjuster, solenoid valve, fluid level transmitter, adjusts tank field, water supply tank field and use at water pump assembly
The research and development of family outlet pipe are preferably combined, and three pot type network pressure superposition water supply systems are developed.Solve asking of being mentioned in background technology
Topic, it is specific as follows：
(1) intelligence laminates water supply, and the present invention can monitor city planting ductwork terminal pressure data in real time, feeds back to and the present invention
In mating control system, realizes that the operating status realization of adjustment water pump assembly in real time laminates water supply, take full advantage of municipal pipe
The overbottom pressure of net achievees the purpose that energy-saving；
(2) non-negative pressure method of water supply, the present invention are supplemented in real time by internal residual quantity adjuster, compensating tank, motor-driven valve, solenoid valve
Tank field internal drop, at the same the adjusting tank field monitored in real time by pressure transmitter and fluid level transmitter and water supply tank field internal pressure power and
Liquid level data, and feed back in the control system mating with the present invention, realize that the operating status of adjustment water pump assembly in real time is realized
Non-negative pressure method of water supply, whole service process totally-enclosed of the present invention, does not contact, it is ensured that water quality safety with air.
(3) safety water supply, the present invention cancel traditional air pressure tank on the basis of traditional pipe network Pressure-superposed water supply equipment, and
On its basis by being passed to electric control valve and auxiliary equipment device, pressure transmitter, fluid level transmitter, solenoid valve, low water level
Sensor, residual quantity adjuster, compensating tank, motor-driven valve entirety preferred design adjust structure, effectively avoid because of longtime running, conventional tube
Stagnant water is easy tod produce in air pressure tank in net laminating water supply equipment, to cause the risk of water quality canceration.
The present invention is ingenious in design, solves that totally-enclosed Intelligent pipe net laminating water supply equipment compensation rate is smaller, and compensation ability is not
The phenomenon of foot, while eliminating in common water system water in air pressure tank and contacting easy contaminated problem with air, it is suitble to
The defeated water system in city promotes and applies.
Description of the drawings
Fig. 1 is overall schematic of the present invention.
Explanation：1, electric control valve；2, pressure transmitter；Low water level sensor (3 and 11)；4, water pump assembly；5, electronic
Valve；6, compensating tank；7, residual quantity adjuster；Solenoid valve (8 and 12)；9, fluid level transmitter；10, tank field is adjusted；13, water supply tank field；
14, municipal water supply access tube；15, user's outlet pipe.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment belongs to the range of invention protection.
With reference to flow diagram and specific implementation mode, the present invention is described in further detail.
Three pot type network pressure superposition water supply systems, including municipal water supply access tube 14, electric control valve 1 and auxiliary equipment device,
Pressure transmitter 2, low water level sensor (3 and 11), water pump assembly 4, motor-driven valve 5, compensating tank 6, residual quantity adjuster 7, solenoid valve
(8 and 12), fluid level transmitter 9 adjust tank field 10, water supply tank field 13 and user's outlet pipe 15, it is characterized in that municipal water supply accesses
Pipe 14 is connect with electric control valve 1 and auxiliary equipment device, and electric control valve 1 and auxiliary equipment device are mounted on water supply tank field 13
Face, pressure transmitter 2 are mounted between electric control valve 1 and auxiliary equipment device and water supply tank field 13, and 13 top of water supply tank field has
Two outlets are connected with two outlets for adjusting 10 lower part of tank field, and water supply tank field 13 one of connect with adjusting tank field 10
Mouthful installed above have a solenoid valve 12, water supply tank field 13 and the inside for adjusting both tank fields 10 be equipped with low water level sensor (3 and
11), 13 lower part of water supply tank field has the outlets A to be connect with water pump assembly 4 by pipeline, and water pump assembly 4 connects with user's outlet pipe 15
It connects, adjusts the lower part of tank field 10 altogether there are three outlet, one of outlet is connected by pipeline with residual quantity adjuster 7, residual quantity tune
Section device 7 is connected with compensating tank 6, and compensating tank 6 is connected with 5 user's outlet pipe 15 of motor-driven valve, and adjusting 10 top of tank field has level transmitting
Device 9 and the outlets F, the outlets F for adjusting 10 top of tank field are connect with residual quantity adjuster 7 by pipeline, adjust 10 top F of tank field and go out
Mouthful and residual quantity adjuster 7 between pipeline it is installed above have solenoid valve 8, when 14 water supply of municipal water supply access tube be more than user
When 15 water demand of outlet pipe, municipal water supply access tube 14 and electric control valve 1 and auxiliary equipment device junction water supply tank field 13
Upper 1 Chang Quankai of water inlet electric control valve, the water in water supply tank field 13 are forced into user by Pressure Unit 4 through the outlets A and are discharged
Pipe 15 is supplied user and is used, while being exported by B to 10 moisturizing of tank field is adjusted, and the water inlet on water supply tank field 13 supplies water when intaking
Air, which exports to enter by B, in tank field 13 adjusts tank field 10, adjusts air in tank field 10 and squeezes into compensating tank 6 by the outlets F, mends
It repays air chamber pressure in tank 6 to rise, when adjusting aqueous position canful in tank field 10, fluid level transmitter 9 detects signal and feeds back to water supply
The control device of system, solenoid valve 8 are closed, when 14 water supply of municipal water supply access tube is less than 15 water demand of user's outlet pipe
When, 1 Slow Close of water inlet electric control valve on water supply tank field 13 reduces inflow, and A, which supplies water outlet, to be reduced, and tank field (10) C is adjusted
Outlet solenoid valve 12 is opened, and is adjusted 10 inner storing water of tank field and is supplemented to water supply tank field 13, negative pressure is inhibited to generate, adjusts liquid in tank field 10
Position declines, and fluid level transmitter 9 detects signal and feeds back to the control device of water system, and E outlet electric valves 5 are closed, residual quantity tune
It saves device 7 to open, 6 inner storing water of compensating tank is supplemented to by the outlets D decompression and adjusts tank field 10, and negative pressure is inhibited to generate, and adjusts tank field 10
Interior liquid level drops to setting value, and fluid level transmitter 9 detects signal and feeds back to the control device of water system, F outlet solenoid valves 8
It opens, air pressure, which is supplemented to, in compensating tank 6 adjusts tank field 10, and negative pressure is inhibited to generate, and adjusts liquid level in tank field 10 and continues to decline to facing
When boundary's point, fluid level transmitter 9 detects signal and feeds back to the control device of water system, and equipment protection is shut down, extreme condition
When, 3 detection data of low water level sensor feeds back to the control device of water system, and equipment protection is shut down, when municipal water supply connects
When entering 14 water supply of pipe recovery normal value, residual quantity adjuster 7 is closed, and air, which exports to enter by B, in water supply tank field 13 adjusts tank
Area 10 adjusts air in tank field 10 and squeezes into compensating tank 6 by the outlets F, and air chamber pressure rises in compensating tank 6, adjusts in tank field 10
When the canful of aqueous position, fluid level transmitter 9 detects signal and feeds back to the control device of water system, and solenoid valve 8 is closed, the outlets E
5 Time Delay Opening of motor-driven valve, in 15 moisturizing to compensating tank 6 of user's outlet pipe, air water dynamic equilibrium in compensating tank, when municipal water supply connects
When entering pipe 14 water supply long-time more than user's 15 water demand of outlet pipe, to ensure to adjust tank field 10 and 6 inner storing water of compensating tank
Water quality does not generate rotten, this water system entirety timed periodic simulates 14 water supply of municipal water supply access tube and is less than user's water outlet
State when 15 water demand of pipe, integrally pressure action is primary for this water system, realizes and adjusts tank field 10 and 6 inner storing water of compensating tank
Update, when 15 small flow water of nighttime users outlet pipe, leads to ensure water supply quality safety and works as the small stream of nighttime users outlet pipe
When amount water, residual quantity adjuster 7 is closed, and the intelligence of water pump assembly 4 is shut down, and motor-driven valve E is normally opened, by 6 inner storing water of compensating tank to
Moisturizing is realized at family 15, but when rate of water make-up deficiency, and pressure transmitter detects signal, the auxiliary pump intelligence in water pump assembly 4 on outlet pipe 15
Can variable frequency starting, municipal administration water inlet is forced into user 15 by the outlets water supply tank field A, 4 auxiliary pump of compensating tank 6 and water pump assembly it is this
Night small flow pressure-stabilizing water supply is realized in cooperation.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (1)
1. three pot type network pressure superposition water supply systems, including municipal water supply access tube, electric control valve and auxiliary equipment device, pressure become
It send device, low water level sensor, water pump assembly, motor-driven valve, compensating tank, residual quantity adjuster, solenoid valve, fluid level transmitter, adjust tank
Area, water supply tank field and user's outlet pipe, it is characterized in that municipal water supply access tube is connect with electric control valve and auxiliary equipment device, electricity
Dynamic regulating valve and auxiliary equipment device are mounted on above water supply tank field, and pressure transmitter is mounted on electric control valve and auxiliary equipment device
Between water supply tank field, water supply tank field top there are two outlet with adjust tank field lower part two outlets be connected, water supply tank field and
Adjusting one of tank field connection outlet is installed above has a solenoid valve, and water supply tank field and the inside of both adjusting tank fields are equipped with
Low water level sensor, water supply tank field lower part have the outlets A to be connect with water pump assembly by pipeline, and water pump assembly connects with user's outlet pipe
It connects, adjusts the lower part of tank field altogether there are three outlet, one of outlet is connected by pipeline with residual quantity adjuster, residual quantity adjuster
It is connected with compensating tank, compensating tank is connected with motor-driven valve user's outlet pipe, and adjusting tank field top has fluid level transmitter and the outlets F, adjusts
The outlets F on section tank field top are connect by pipeline with residual quantity adjuster, are adjusted between the outlets tank field top F and residual quantity adjuster
Pipeline is installed above solenoid valve, when municipal water supply access tube water supply is more than user's outlet pipe water demand, municipal water supply
Access tube and electric control valve and the enterprising mouth of a river electric control valve Chang Quankai in auxiliary equipment device junction water supply tank field, water supply tank field
Interior water exports through A and is forced into the supply user's use of user's outlet pipe by Pressure Unit, while being exported to adjusting tank field by B
Moisturizing, air is exported to enter by B and adjusts tank field in water supply tank field when water inlet water inlet on water supply tank field, is adjusted empty in tank field
Gas squeezes into compensating tank by the outlets F, and air chamber pressure rises in compensating tank, when adjusting aqueous position canful in tank field, fluid level transmitter
Detection signal and the control device for feeding back to water system, solenoid valve are closed, when municipal water supply access tube water supply is less than user
When outlet pipe water demand, the enterprising mouth of a river electric control valve Slow Close in water supply tank field reduces inflow, and A, which supplies water outlet, to be reduced, and is adjusted
Tank field C outlet solenoid valves are opened, and are adjusted tank field inner storing water and are supplemented to water supply tank field, negative pressure is inhibited to generate, adjust liquid level in tank field
Decline, fluid level transmitter detection signal and the control device for feeding back to water system, E outlet electric valves are closed, residual quantity adjuster
It opens, compensating tank inner storing water is supplemented to by the outlets D decompression and adjusts tank field, and negative pressure is inhibited to generate, and is adjusted liquid level in tank field and is declined
To setting value, fluid level transmitter detection signal and the control device for feeding back to water system, F outlet solenoid valves are opened, compensating tank
Interior air pressure, which is supplemented to, adjusts tank field, and negative pressure is inhibited to generate, and adjusts liquid level in tank field and continues to decline to when critical point, fluid level transmitter
Detection signal simultaneously feeds back to the control device of water system, and equipment protection is shut down, when extreme condition, low water level sensor detection
Data feedback is to the control device of water system, and equipment protection is shut down, when municipal water supply access tube water supply restores normal value
When, residual quantity adjuster is closed, and air, which exports to enter by B, in water supply tank field adjusts tank field, adjusts air in tank field and is exported by F
Compensating tank is squeezed into, air chamber pressure rises in compensating tank, and when adjusting aqueous position canful in tank field, fluid level transmitter detection signal is simultaneously anti-
It is fed to the control device of water system, solenoid valve is closed, E outlet electric valve Time Delay Openings, user's outlet pipe moisturizing to compensating tank
It is interior, air water dynamic equilibrium in compensating tank, when municipal water supply access tube water supply is more than user's outlet pipe water demand for a long time,
Rotten, this water system entirety timed periodic simulation municipal administration confession is not generated to ensure to adjust tank field and compensating tank inner storing water water quality
Water access tube water supply is less than state when user's outlet pipe water demand, and integrally pressure action is primary for this water system, realizes
Tank field and the update of compensating tank inner storing water are adjusted, it is poor when the small flow water of nighttime users outlet pipe to ensure water supply quality safety
It measures adjuster to close, water pump assembly is intelligently shut down, and motor-driven valve is normally opened, realizes moisturizing to user by compensating tank inner storing water, but mend
When water shortage, pressure transmitter detects signal on outlet pipe, and the auxiliary pump intelligent frequency-conversion in water pump assembly starts, and municipal administration water inlet is logical
It crosses the outlets water supply tank field A and is forced into user, night small flow pressure-stabilizing water supply is realized in this cooperation of compensating tank and auxiliary pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426841.4U CN207700283U (en) | 2017-10-31 | 2017-10-31 | Three pot type network pressure superposition water supply systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426841.4U CN207700283U (en) | 2017-10-31 | 2017-10-31 | Three pot type network pressure superposition water supply systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207700283U true CN207700283U (en) | 2018-08-07 |
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ID=63021761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721426841.4U Active CN207700283U (en) | 2017-10-31 | 2017-10-31 | Three pot type network pressure superposition water supply systems |
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| CN (1) | CN207700283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700600A (en) * | 2017-10-31 | 2018-02-16 | 安徽舜禹水务股份有限公司 | Three pot type network pressure superposition water supply systems |
-
2017
- 2017-10-31 CN CN201721426841.4U patent/CN207700283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700600A (en) * | 2017-10-31 | 2018-02-16 | 安徽舜禹水务股份有限公司 | Three pot type network pressure superposition water supply systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 230000 No.8 Huainan North Road, Shuangfeng Economic Development Zone, Changfeng County, Hefei City, Anhui Province Patentee after: ANHUI SHUNYU WATER AFFAIRS Co.,Ltd. Address before: 230001 Jin Jiang Road, Shuangfeng economic and Technological Development Zone, Hefei, Anhui, 32 Patentee before: ANHUI SHUNYU WATER AFFAIRS Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |