CN108396840A - A kind of flushing toilet seat - Google Patents
A kind of flushing toilet seat Download PDFInfo
- Publication number
- CN108396840A CN108396840A CN201810165175.6A CN201810165175A CN108396840A CN 108396840 A CN108396840 A CN 108396840A CN 201810165175 A CN201810165175 A CN 201810165175A CN 108396840 A CN108396840 A CN 108396840A
- Authority
- CN
- China
- Prior art keywords
- water
- flushing
- route
- toilet seat
- water route
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
- E03D11/08—Bowls with means producing a flushing water swirl
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
- E03D11/06—Bowls with downwardly-extending flanges for the sake of flushing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
- E03D2201/30—Water injection in siphon for enhancing flushing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
- E03D2201/40—Devices for distribution of flush water inside the bowl
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Abstract
The present invention relates to a kind of flushing toilet seats, including cleaning face, supplying the first water route that flushing water is washed away and the water turn of bilge with the carrier being connect with clean facial bottom to the clean face, the water turn of bilge limits the water sealing cover of toilet seat, it is characterized in that, further include being arranged in the guide mechanism of the carrier and toward the second water route of guide mechanism direction supply flushing water, the flushing water of the second water route outflow generates whirlpool to which stirred up dirt is discharged from the water turn of bilge under the action of guide mechanism.The present invention substantially increases the scouring capability of toilet seat by the cooperation in the second water route and guide mechanism.
Description
Technical field
The present invention relates to a kind of flushing toilet seats.
Background technology
Currently, each national standard has relevant regulation to the discharge effect of toilet seat suspension pollutant, especially mainly using
Heel row punching sits down the European Region of closet, in EN997 standards, it is desirable that 1 toilet seats of CLASSS row and 2 toilet seats of CLASS entirely
When half row, the paper handkerchief launched in toilet seat washable surface is wanted all to be discharged, and higher want is proposed to toilet seat emissions function
It asks.And existing heel row toilet seat generally falls formula flushing filth-discharging using punching, water sprays to clean facial water guide after entering inlet pipeline
Circle forms convolution, then drives dirt discharge.Cover the suspension pollutant in entire water sealing cover due to the shipwreck of discharge, suspend or
The dirt that person is partly suspended in water is easy in dirt carrier to roll up and down and be difficult to that toilet seat is discharged.
Simultaneously in the market common heel row toilet seat its rinse water out and be usually above water inlet pipe due to structure design
Road, part water is stored in water inlet line after leading to draining, and the heel row toilet seat used in Europe can generally configure deodorization bellows,
When bellows work since this part water is in the presence of that can send out rumble allophone, customer experience is made to be deteriorated.
Invention content
It is a primary object of the present invention to overcome drawbacks described above in the prior art, a kind of flushing toilet seat is proposed.
The technical solution adopted in the present invention is：
A kind of flushing toilet seat, including clean face, to clean face first water route washed away of supply flushing water and
Water turn of bilge with the carrier being connect with clean facial bottom, which is characterized in that further include being arranged in the carrier
Guide mechanism and the second water route that flushing water is supplied toward the guide mechanism direction, the flushing water of second water route outflow are being led
Generation whirlpool is to which stirred up dirt is discharged from the water turn of bilge under the action of drawing mechanism.
Preferably, the guide mechanism is set as, the carrier bottom surface is upward convex to be equipped with water guide platform, the water guide platform
The gutter less than water guide platform is formed with carrier inner wall, second water route sprays flushing water toward water guide platform direction and formed
Whirlpool is discharged to stirred up dirt from the water turn of bilge.
Preferably, the water guide platform is disposed in proximity to clean the front of face, at the water guide platform and the gutter
In the left and right sides of carrier.
Preferably, abut the side of carrier left and right directions at the top of the water guide platform, the water guide platform is from top toward holding
The other side of socket part left and right directions seamlessly transits downwards, and the gutter is arc-shaped.
Preferably, the water turn of bilge limits the water sealing cover of toilet seat, the water guide platform is located at water sealing cover or less.
Preferably, being located at 5mm-60mm under water sealing cover at the top of water guide platform.
Preferably, the water flow rotary direction that the second water route flushing water generates flows through with the first water route flushing water and cleans face
Direction of rotation it is consistent.
Preferably, the clean face has the inner edge portion for being formed thereon edge, the flushing of the first water route outflow
Water forms swirling flow along the inner peripheral surface of the inner edge portion.
Preferably, second water route is formed in the rear for cleaning face, the clean face has the second water of masking
The overhanging part of road water outlet.
Preferably, second water route is formed in the left or right side for cleaning face, the second water route water outlet and water seal
The vertical range in face is 10mm-50mm.
Preferably, further including into water route, second water route is integrally less than into water route, makes not having into water route after the completion of washing away
There is water.
According to the above-mentioned description of this invention it is found that compared with prior art, the present invention has the advantages that：
1. the flushing water of second water route outflow of the invention generates whirlpool under the action of guide mechanism so that stirred up dirt is from described
Water turn of bilge is discharged, and specifically, by the cooperation in the second water route and water guide platform, gutter, flushing water is past from second water route
Water guide platform direction sprays, and whirlpool is formed to which stirred up dirt is discharged from the water turn of bilge, significantly by the gutter
Improve the scouring capability of toilet seat.
2. the water guide platform is disposed in proximity to clean the front of face, the water guide platform is in carrier with the gutter
The left and right sides, therefore generate whirlpool it is more strong, be conducive to dirt discharge.
3. abut the side of carrier left and right directions at the top of the water guide platform, the water guide platform is from top toward carrier or so
The other side in direction seamlessly transits downwards, and the gutter is arc-shaped, thus one side dirt be not easy to remain in water guide platform and
In gutter, the whirlpool on the other hand generated is also more strong, is conducive to the discharge of dirt.
4. the water turn of bilge limits the water sealing cover of toilet seat, the water guide platform is located at water sealing cover hereinafter, at the top of water guide platform
The 5mm-60mm under water sealing cover, water guide platform and gutter are hidden in water sealing cover hereinafter, improving aesthetics as a result, while water seal
Water level at the top of face to water guide platform is relatively low, can prevent sewage dirt from splashing.
5. the direction of rotation that flushing water flows through the gutter is consistent with facial flushing water direction of rotation is cleaned, make washable surface
Portion's inflow carrier is sprayed onto water sealing cover with the second water route and causes the direction of rotation of agitation consistent, dirty to keep whirlpool stronger
Object is more prone to flow out from water turn of bilge.
6. the clean face has the inner edge portion for being formed thereon edge, the flushing water of the first water route outflow is described in
The inner peripheral surface of inner edge portion forms swirling flow, is coordinated by whirlpool caused by the swirling flow and the second water route, will can preferably be hanged
Float is discharged.
7. second water route is formed in the rear for cleaning face, the clean face has the second water route water outlet of masking
Overhanging part, as a result, user from the forward observation toilet seat of toilet seat when, the second water route water outlet can not be seen, to carry
The clean feel that the overall aesthetic degree of high toilet seat and user experience.
8. second water route is formed in the left or right side for cleaning face, the second water route water outlet is vertical with water sealing cover
Distance is 10mm-60mm, therefore to be sprayed onto sound caused by the flushing water of water sealing cover also smaller in the second water route, can reduce toilet seat
Noise when washing away.
9. second water route is integrally less than into water route, therefore does not have water after the completion of washing away into water route, solves toilet seat
Device mating deodorization bellows lead to the problem of allophone when working.
Description of the drawings
Fig. 1 is the vertical view of flushing toilet seat of the present invention；
Fig. 2 is sectional view of the flushing toilet seat of the present invention along the line A-A of Fig. 1；
Fig. 3 is the stereogram of flushing toilet seat of the present invention；
Fig. 4 is sectional view of the flushing toilet seat of the present invention along the line A-A of Fig. 1.
Specific implementation mode
Below by way of in conjunction with attached drawing, the present invention is further illustrated, for convenience of describe, it is following in " it is forward and backward, left,
The position relationship on the right side " is described as follows：Toilet seat is placed generally proximate to wall, and water supply pipe is drawn from wall, when human body is close
Toilet seat can see Fig. 1 views when overlooking toilet seat, define："lower" in Fig. 1 is " preceding " in being described below, in Fig. 1
"upper" is " rear " in being described below, and " left side " in Fig. 1 is " left side " in being described below, and " right side " in Fig. 1 is in being described below
" right side ".
As shown in Figure 1, flushing toilet seat, which has, cleans face 1, the bottom for cleaning face 1 is provided with water turn of bilge 2, deposits
Water turn of bilge 2 has the carrier 4 that extends downwards from clean facial 1 bottom and rearward extends from the lower end of carrier 4
Blowdown portion 5.The upper end of carrier 4 is open upward in the bottom for cleaning face 1, and the rear end in blowdown portion 5 is towards rearward openings.
The lower end position of the open rearward end in blowdown portion 5 determines the water level of flushing water, and the water level position in water turn of bilge 2 becomes the seat
The water sealing cover 3 of closet.
As in Figure 2-4, the top for cleaning face 1 is arranged into water route 7, the first water route 8 and the second water route 9, and water is from water inlet
Road 7 is divided into two-way after flowing into and flows to the first water route 8 and the second water route 9 respectively.Preferably, the first water route 8 is supplied cleaning face 1
To swirling flow, i.e. the first water route 8 is configured to the circumferential ejection flushing water along clean facial 1.
In present embodiment, the top setting for cleaning a direction side of the left and right directions of face 1 is supplied cleaning face 1
To the first water route 8 of swirling flow.Specifically, behind the top for cleaning a side of left and right directions for face 1 (being left side in Fig. 3)
The first water route of end set 8, the first water route 8 have the first water route water outlet 10.In present embodiment, have cleaning face 1
Be formed thereon the inner edge portion 6 of edge, inner edge portion 6 is formed throughout the week for the upper limb for cleaning face 1, inner edge portion 6 be formed as to
Inside overhang or straight up.It is formed along inner edge portion 6 from the flushing water that the first water route 8 is flowed out from the first water route water outlet 10
It flows for swirling flow, without omitting is cleaned on cleaning facial 1 circumferential direction.Certainly other can also be used in the present invention
Wash away mode（As a plurality of cleaning holes, left and right sides are all provided with water outlet）To realize the cleaning for cleaning face 1.
In present embodiment, carrier 4 is equipped with guide mechanism, and the second water route 9 supplies toward the guide mechanism direction and rinses
The flushing water of water, the outflow of the second water route 9 generates whirlpool under the action of guide mechanism so that stirred up dirt is from the water turn of bilge
Discharge.Specifically, which is set as：4 bottom surface of carrier is upward convex to be equipped with water guide platform 11, the water guide platform 11 and carrier
4 inner walls form the gutter 12 less than water guide platform 11, and the second water route 9 is toward 11 direction jet douche water of water guide platform, in water guide platform 11
Under the collective effect of gutter 12, flushing water forms whirlpool stirred up dirt and is discharged from water turn of bilge 2.Certainly, in structure of the present invention
Under the guiding of think of, those skilled in the art there may also be the set-up mode of other guide mechanisms, numerous to list herein, this implementation
Mode above structure as is preferred.
In present embodiment, which is disposed in proximity to clean the front of face 1, the water guide platform 11 and the gutter
12 are in the left and right sides of carrier 4.In specific implementation, which abuts the side of carrier 4 or so, the water guide
Platform 11 is seamlessly transitted downwards from top toward the other side of 4 left and right directions of carrier, and gutter 12 is arc-shaped, the rear end of gutter 12
Towards blowdown portion 5.The water guide platform 11 is preferably located at water sealing cover 3 hereinafter, the preferably top of water guide platform 11 and 3 distance H of water sealing cover
（Such as Fig. 4）For 5mm-60mm.
In present embodiment, which is formed in the rear for cleaning face 1, has the second water route water outlet 20.When
So, the second water route 9 can also be formed in the left or right side for cleaning face 1, preferably the second water route water outlet 20 and water sealing cover 3
Sound is also smaller caused by vertical range is 10mm-60mm, therefore the second water route 9 is sprayed onto the flushing water of water sealing cover 3, can reduce
Noise when toilet seat washes away.Meanwhile second water route 9 it is preferably whole less than into water route 7, therefore do not have into water route 7 after the completion of washing away
There is water, solves the problems, such as to generate allophone when the mating deodorization bellows of toilet seat work.
Preferably, this, which cleans face 1, has the overhanging part 13 of the second water route water outlet 20 of masking, as shown in figure 4, outstanding
There are certain lateral distance L, the size of lateral distance L, which is arranged, to be made for extending portion point 13 and 20 extreme lower position of the second water route water outlet
User from the forward observation toilet seat of toilet seat when, the second water route water outlet 20 can not be seen, to improve the entirety of toilet seat
The clean feel that aesthetics and user experience.
In present embodiment, the first water route water outlet 10 is arranged in the left side for cleaning face 1, correspondingly, water guide platform 11
Left direction in carrier 4 is set, and the right side of carrier 4 then forms gutter 12, therefore 4 front end of carrier forms right low left high
Form.Therefore, the flushing water that the second water route 9 sprays flows through the flushing that the direction of rotation of gutter 12 is sprayed with the first water route 9
The direction of rotation that water flows through clean face 1 is consistent, and to keep whirlpool stronger, dirt is more prone to flow out from water turn of bilge.
The course of work of the flushing toilet seat of the present invention is further described below：
Flushing water is divided into two-way after being flowed into water route 7 and flows to the first water route 8 and the second water route 9 respectively.The water in the first water route 8
Stream is sprayed from the first water route water outlet 10, and flow is formed as swirling flow along clean facial 1 inner edge portion 6, is cleaning face 1 week
It is cleaned upwards, cleans the carrier 4 that the dirt on face 1 is taken to water turn of bilge 2.
Meanwhile second water route 9 flow from the second water route water outlet 20 toward 11 direction of water guide platform spray, flow, which is fallen, to be led
In the water seal of the top of water platform 11, under the collective effect of water guide platform 11 and gutter 12, flushing water formed whirlpool stirred up dirt from
The blowdown portion 5 of water turn of bilge 2 is discharged.Since the flushing water that the second water route 9 sprays flows through the direction of rotation and first of gutter 12
The direction of rotation for the flushing water that water route 9 sprays is consistent, therefore whirlpool is strengthened, and dirt is more prone to flow out from blowdown portion 5.
The preferred embodiment of the present invention has shown and described in the above, it should be understood that the present invention is not limited to this paper institutes
The form of disclosure is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and energy
Enough in the scope of the invention is set forth herein, modifications can be made through the above teachings or related fields of technology or knowledge.And ability
The modifications and changes that domain personnel are carried out do not depart from the spirit and scope of the present invention, then all should be in appended claims of the present invention
In protection domain.
Claims (10)
1. a kind of flushing toilet seat, including clean face, the first water route that flushing water is washed away is supplied to the clean face
With the water turn of bilge with the carrier being connect with clean facial bottom, which is characterized in that further include being arranged in the carrier
Guide mechanism and toward the second water route of guide mechanism direction supply flushing water, the flushing water of second water route outflow exists
Whirlpool is generated under the action of guide mechanism to which stirred up dirt is discharged from the water turn of bilge.
2. flushing toilet seat according to claim 1, it is characterised in that：The guide mechanism is set as, the carrier
Bottom surface is upward convex to be equipped with water guide platform, and the water guide platform forms the gutter less than water guide platform, second water with carrier inner wall
Road sprays flushing water toward water guide platform direction and forms whirlpool to which stirred up dirt is discharged from the water turn of bilge.
3. flushing toilet seat according to claim 2, it is characterised in that：The water guide platform is disposed in proximity to clean face
Front, the water guide platform are in the left and right sides of carrier with the gutter.
4. flushing toilet seat according to claim 3, it is characterised in that：Carrier right and left is abutted at the top of the water guide platform
To side, the water guide platform seamlessly transits downwards from top toward the other side of carrier left and right directions, and the gutter is in arc
Shape.
5. flushing toilet seat according to claim 2, it is characterised in that：The water turn of bilge limits the water seal of toilet seat
Face, the water guide platform are located at water sealing cover or less.
6. flushing toilet seat according to claim 5, it is characterised in that：It is located at 5mm- under water sealing cover at the top of water guide platform
60mm。
7. according to claim 1-6 any one of them flushing toilet seats, it is characterised in that：The water that second water route flushing water generates
Stream direction of rotation and the first water route flushing water flow through that clean facial direction of rotation consistent.
8. according to claim 1-6 any one of them flushing toilet seats, it is characterised in that：Second water route is formed in clean
The rear of face, the clean face have the overhanging part of the second water route water outlet of masking.
9. according to claim 1-6 any one of them flushing toilet seats, it is characterised in that：Second water route is formed in clean
The vertical range of the left or right side of face, the second water route water outlet and water sealing cover is 10mm-60mm.
10. according to claim 1-6 any one of them flushing toilet seats, it is characterised in that：Further include into water route described second
Water route is integrally less than into water route, makes do not have water into water route after the completion of washing away.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810165175.6A CN108396840B (en) | 2018-02-28 | 2018-02-28 | Flushing toilet |
| PCT/CN2019/074756 WO2019165886A1 (en) | 2018-02-28 | 2019-02-11 | Flushing toilet bowl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810165175.6A CN108396840B (en) | 2018-02-28 | 2018-02-28 | Flushing toilet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108396840A true CN108396840A (en) | 2018-08-14 |
| CN108396840B CN108396840B (en) | 2020-07-28 |
Family
ID=63096703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810165175.6A Active CN108396840B (en) | 2018-02-28 | 2018-02-28 | Flushing toilet |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108396840B (en) |
| WO (1) | WO2019165886A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019165886A1 (en) * | 2018-02-28 | 2019-09-06 | 厦门优胜卫厨科技有限公司 | Flushing toilet bowl |
| WO2020151470A1 (en) * | 2019-01-23 | 2020-07-30 | 金纯信 | Water turbine and electric motor hybrid power suction type water-saving toilet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011058300A (en) * | 2009-09-11 | 2011-03-24 | Toto Ltd | Wash-out type toilet bowl |
| CN102953420A (en) * | 2011-08-24 | 2013-03-06 | Toto株式会社 | Water flushing toilet bowl |
| CN102953419A (en) * | 2011-08-24 | 2013-03-06 | Toto株式会社 | Flush toilet |
| CN103015515A (en) * | 2011-09-21 | 2013-04-03 | 松下电器产业株式会社 | Water Closet |
| CN105040791A (en) * | 2014-03-18 | 2015-11-11 | 科勒印度私人有限公司 | Dual-jet toilet |
| CN107083796A (en) * | 2017-05-17 | 2017-08-22 | 九牧厨卫股份有限公司 | A kind of super whirlpool siphon toilet seats of 3D |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100251471A1 (en) * | 2009-04-07 | 2010-10-07 | Cadavid Gonzalez Jorge Anibal | Gravity fed toilet device of mega low water comsumption |
| CN108396840B (en) * | 2018-02-28 | 2020-07-28 | 厦门优胜卫厨科技有限公司 | Flushing toilet |
-
2018
- 2018-02-28 CN CN201810165175.6A patent/CN108396840B/en active Active
-
2019
- 2019-02-11 WO PCT/CN2019/074756 patent/WO2019165886A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011058300A (en) * | 2009-09-11 | 2011-03-24 | Toto Ltd | Wash-out type toilet bowl |
| CN102953420A (en) * | 2011-08-24 | 2013-03-06 | Toto株式会社 | Water flushing toilet bowl |
| CN102953419A (en) * | 2011-08-24 | 2013-03-06 | Toto株式会社 | Flush toilet |
| CN103015515A (en) * | 2011-09-21 | 2013-04-03 | 松下电器产业株式会社 | Water Closet |
| CN105040791A (en) * | 2014-03-18 | 2015-11-11 | 科勒印度私人有限公司 | Dual-jet toilet |
| CN107083796A (en) * | 2017-05-17 | 2017-08-22 | 九牧厨卫股份有限公司 | A kind of super whirlpool siphon toilet seats of 3D |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019165886A1 (en) * | 2018-02-28 | 2019-09-06 | 厦门优胜卫厨科技有限公司 | Flushing toilet bowl |
| WO2020151470A1 (en) * | 2019-01-23 | 2020-07-30 | 金纯信 | Water turbine and electric motor hybrid power suction type water-saving toilet |
| US12098533B2 (en) | 2019-01-23 | 2024-09-24 | Chunxin JIN | Water turbine and electric motor hybrid power suction type water-saving toilet |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019165886A1 (en) | 2019-09-06 |
| CN108396840B (en) | 2020-07-28 |
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