CN111271290A - Branch circulating pump and shower system - Google Patents
Branch circulating pump and shower system Download PDFInfo
- Publication number
- CN111271290A CN111271290A CN202010151410.1A CN202010151410A CN111271290A CN 111271290 A CN111271290 A CN 111271290A CN 202010151410 A CN202010151410 A CN 202010151410A CN 111271290 A CN111271290 A CN 111271290A
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- CN
- China
- Prior art keywords
- branch
- shell
- pipeline
- water
- circulating pump
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 239000000919 ceramic Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
- F04D13/043—Units comprising pumps and their driving means the pump being fluid driven the pump wheel carrying the fluid driving means
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/025—Water supply lines as such, e.g. shower hoses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/128—Mounting, demounting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/528—Casings; Connections of working fluid for axial pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
- F04D3/02—Axial-flow pumps of screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a branch circulating pump, which relates to the technical field of circulating pumps and comprises an impeller, a shell and a rotating shaft, wherein the rotating shaft comprises a straight shaft part and a spiral shaft part, a first water inlet is arranged on the shell, the straight shaft part is rotatably connected with the other end of the shell and extends out of the shell, the impeller is fixedly arranged on the straight shaft part, the first water inlet is used for being communicated with a second water outlet of a branch pipeline, the branch circulating pump can enable water in the branch pipeline to participate in water circulation in a main pipeline, the invention also provides a shower system which comprises the main pipeline, the branch pipeline, the circulating pump and the branch circulating pump, the second water inlet of the branch pipeline is communicated with the main pipeline, a spray head for showering is arranged on a pipeline between the second water inlet and the second water outlet of the branch pipeline, the shower system can enable water in the branch pipeline in the shower system to participate in water circulation in the main pipeline, the temperature of the water in the branch pipeline is ensured to be the same as that in the main pipeline.
Description
Technical Field
The invention relates to the technical field of circulating pumps, in particular to a branch circulating pump and a shower system.
Background
Along with economic development, people's living standard improves day by day, the frequency of going on a journey is higher and higher, various economical hotels appear, every hotel room all possesses a shower equipment, hotel shower system all is connected each room and hot-water tank through the pipeline at present stage, the trunk line is equipped with a circulating pump and is used for the hot water circulation of main line, however because the lateral line that gets into each room does not participate in main line hot water circulation, consequently the hot water of lateral line will become cold water when not using for a long time, this has just caused and will open shower head when guest washes one's face and rinses one's mouth at every time and discharge cold water for a period, just so just caused the waste in a large amount of water resource. Therefore, a novel device is needed to be designed, the hot water of the branch pipeline is guaranteed to participate in the circulation of the hot water of the main pipeline, the water temperature is guaranteed not to be reduced, the effect that the shower device is opened and used immediately is achieved, and unnecessary waste is avoided.
Disclosure of Invention
The invention aims to provide a branch circulating pump and a shower system, which are used for solving the problems in the prior art, and can ensure that the water temperature of water in a branch pipeline cannot be reduced, so that the aim of saving water resources is fulfilled.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a branch circulating pump, which is used for being arranged in a main pipeline, a circulating pump is arranged in the main pipeline, the branch circulating pump comprises an impeller, a shell and a rotating shaft, one part of the rotating shaft is a straight shaft part, the other part of the rotating shaft is a spiral shaft part, one end of the shell is provided with a first water outlet, the rotating shaft is arranged in the shell along the length direction of the shell, the straight shaft part is rotatably connected with the other end of the shell and extends out of the shell, the impeller is fixedly arranged on the part of the straight shaft part extending out of the shell, the shell is provided with a first water inlet which is used for being communicated with a second water outlet of the branch pipeline outside the main pipeline, and a second water inlet on the branch pipeline is communicated with a third water outlet on the main pipeline, and water in the main pipeline flows to the first water outlet from the third water outlet.
Preferably, the wear-resistant device further comprises a wear-resistant plate and a clamp spring, the clamp spring and the wear-resistant plate are both sleeved on the portion, extending out of the housing, of the straight shaft portion, the wear-resistant plate is arranged between the clamp spring and the housing, the wear-resistant plate is in clearance fit with the straight shaft portion, the clamp spring is used for pressing the wear-resistant plate onto the outer wall of the housing, and the wear-resistant plate can rotate relative to the housing.
Preferably, the water outlet device further comprises a ceramic shaft sleeve, the ceramic shaft sleeve is fixedly arranged in a casing wall at one end of the casing, which is not provided with the first water outlet, along the length direction of the casing, and the straight shaft part penetrates through the ceramic shaft sleeve.
Preferably, the impeller further comprises a shaft end fixing nut, wherein a thread is arranged at one end, far away from the spiral shaft part, of the straight shaft part, and the shaft end fixing nut is in threaded connection with the straight shaft part and fixes the impeller on the straight shaft part.
Preferably, the impeller, the housing and the rotating shaft are coaxial.
The invention also provides a shower system which comprises a main pipeline, branch pipelines, a circulating pump and the branch circulating pump, wherein the first water inlet of the branch circulating pump is communicated with the second water outlet, the second water inlet of the branch pipeline is communicated with the third water outlet of the main pipeline, and a spray head or a spray nozzle for showering is arranged on a pipeline between the second water inlet and the second water outlet of the branch pipeline.
Preferably, the main pipeline is communicated with a plurality of branch pipelines, the main pipeline is correspondingly provided with one branch circulating pump at the communication position with the second water outlet of each branch pipeline, and the second water outlet of each branch pipeline is communicated with the first water inlet of the branch circulating pump.
Compared with the prior art, the invention has the following technical effects:
the invention provides a branch circulating pump, water in a main pipeline enters a branch pipeline from a second water inlet of the branch pipeline, when water flows through the branch circulating pump in the main pipeline, the flowing water can push an impeller to rotate, the impeller drives a rotating shaft to rotate, the rotating shaft can push water in a shell to flow to a first water outlet, and after the water flows out of the shell, the shell is in a negative pressure state; the invention also provides a shower system which comprises a main pipeline, branch pipelines, a circulating pump and the branch circulating pump, wherein the branch circulating pump can enable hot water in the main pipeline and cold water in the branch pipelines to circularly flow, so that the aim of enabling the water temperature of the water in the branch pipelines of the shower system to be the same as the water temperature in the main pipeline is fulfilled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a branch circulation pump provided in the present invention disposed in a main pipeline;
FIG. 2 is a schematic view of the construction of the pump of FIG. 1;
in the figure: 1-main pipeline, 2-third water outlet, 3-first water inlet, 4-branch circulating pump, 41-wear-resistant sheet, 42-snap spring, 43-shaft end fixing nut, 44-impeller, 45-ceramic shaft sleeve, 46-rotating shaft and 47-shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a branch circulating pump to solve the problems in the prior art, the branch circulating pump provided by the invention can enable water in a branch pipeline to participate in water circulation in a main pipeline, and the shower system can enable water in the branch pipeline in a rain system to participate in water circulation in the main pipeline, so that the water temperature of water in the branch pipeline is ensured to be the same as that of water in the main pipeline.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
The present embodiment provides a branch circulation pump, the branch circulation pump is configured to be disposed in a main pipeline 1, a circulation pump is disposed in the main pipeline 1, the circulation pump is a main circulation pump, such that water in the main pipeline 1 is in a circulation flowing state, as shown in fig. 1-2, an arrow direction in the main pipeline 1 is a water flowing direction, the branch circulation pump includes an impeller 44, a housing 47 and a rotating shaft 46, a portion of the rotating shaft 46 is a straight shaft portion, another portion is a spiral shaft portion, one end of the housing 47 is provided with a first water outlet, the rotating shaft 46 is disposed in the housing 47 along a length direction of the housing 47, the straight shaft portion is rotatably connected to another end of the housing 47 and extends out of the housing 47, the impeller 44 is fixedly disposed at a portion of the straight shaft portion extending out of the housing 47, the housing 47 is provided with a first water inlet 3, the first water inlet 3 is configured to be communicated with a second water outlet of a branch pipeline outside the main pipeline 1, the water in the main pipeline 1 flows from the third water outlet 2 to the first water outlet, the impeller 44 is positioned in the main pipeline 1 between the third water outlet 2 and the first water outlet, the water in the main pipeline 1 can flow, so that the impeller 44 is driven to rotate, and the impeller 44 drives the rotating shaft 46 to rotate; the operation process of the branch circulating pump is as follows, water in the main pipeline 1 enters the branch pipeline from the second water inlet of the branch pipeline, when water flows through the branch circulating pump 4 in the main pipe 1, the flowing water can push the impeller 44 to rotate, the impeller 44 drives the rotating shaft 46 to rotate, the rotating shaft 46 can push the water in the shell 47 to flow to the first water outlet, and after the water flows out of the shell 47, the shell 47 is in a negative pressure state, because the pressure of the water in the branch pipeline is higher than that in the shell 47, the water in the branch pipeline can be sucked into the shell 47, the water sucked into the shell 47 is pushed into the main pipeline 1 from the first water outlet by the rotating shaft 46 again, thereby accomplish the circulation process of the interior water of lateral conduit and main line 1, make the water intensive mixing in lateral conduit and the main line 1, reach the same effect of water temperature in lateral conduit and the main line 1.
Further, the wear-resistant plate comprises a wear-resistant plate 41 and a clamp spring 42, a through hole is formed in the wear-resistant plate 41, the clamp spring 42 and the wear-resistant plate 41 are both sleeved on a portion, extending out of the shell 47, of the straight shaft portion, the wear-resistant plate 41 is arranged between the clamp spring 42 and the shell 47, the wear-resistant plate 41 is in clearance fit with the straight shaft portion, the clamp spring 42 is used for pressing the wear-resistant plate 41 onto the outer wall of the shell 47, the wear-resistant plate 41 can rotate relative to the shell 47, the wear-resistant plate 41 is used for blocking a clearance between the straight shaft portion and the wall of the shell 47, the sealing performance of the shell 47 is improved, and water in the shell.
Further, still include a ceramic axle sleeve 45, ceramic axle sleeve 45 sets up in the casing 47 wall of the one end of first delivery port is not established to casing 47 along casing 47's length direction is fixed, and ceramic axle sleeve 45 is worn to establish by straight axle portion, and ceramic axle sleeve 45 wear resistance is good, and ceramic axle sleeve 45 can not damage in the long-time work of aquatic of just ceramic axle sleeve 45.
Further, still include axle head fixation nut 43, the straight axle part is kept away from the one end of spiral shaft portion and is provided with the screw thread, and axle head fixation nut 43 threaded connection is on the straight axle part and is fixed in impeller 44 on the straight axle part.
Further, the impeller 44, the housing 47 and the rotating shaft 46 are coaxial, and the axes of the impeller 44, the housing 47 and the rotating shaft 46 are on the same line, so that the rotating shaft 46 can more uniformly push water in the housing 47 to the first water outlet of the housing 47 to enter the main pipeline 1, and the circulation process between the main pipeline 1 and the branch pipelines is more stable.
The technical scheme provided by the invention can play a role of mounting and using immediately, and is convenient and rapid.
Selection of the rotating shaft 46: when the rotating shaft 46 rotates, the helical blade on the rotating shaft 46 can push the water in the shell 47 to the first water outlet.
Example two
This embodiment provides a shower system, including main line 1, the lateral conduit, circulating pump and the branch circulating pump in the embodiment one, first water inlet and second delivery port intercommunication on the branch circulating pump, the second water inlet of lateral conduit and the 2 intercommunications of third delivery port of main line 1, be provided with shower nozzle or the nozzle that is used for the shower on the pipeline between second water inlet on the lateral conduit and the second delivery port, the branch circulating pump can make the cold water circulation flow in hot water in the main line 1 and the lateral conduit, thereby reach the temperature that makes shower system lateral conduit normal water and the same purpose of water temperature in the main line 1.
Further, main pipeline 1 is last to communicate there is a plurality of branch pipeline, and main pipeline 1 all corresponds with the second delivery port intercommunication department of each branch pipeline and is provided with a branch circulating pump 4, and the second delivery port on each branch pipeline all communicates with the first water inlet of branch circulating pump 4, and a main pipeline 1 can produce hydrologic cycle with a plurality of branch pipelines.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. The utility model provides a branch circulating pump, branch circulating pump is used for setting up in the main line, be equipped with the circulating pump in the main line, its characterized in that: the branch circulating pump comprises an impeller, a shell and a rotating shaft, one part of the rotating shaft is a straight shaft part, the other part of the rotating shaft is a spiral shaft part, one end of the shell is provided with a first water outlet, the rotating shaft is arranged in the shell along the length direction of the shell, the straight shaft part is rotatably connected to the other end of the shell and stretches out of the shell, the impeller is fixedly arranged on the part, stretching out of the shell, of the straight shaft part, a first water inlet is formed in the shell and is used for being communicated with a second water outlet of a branch pipeline outside the main pipeline, the second water inlet in the branch pipeline is communicated with a third water outlet in the main pipeline, and water in the main pipeline flows to the first water outlet from the third water outlet.
2. The branching circulation pump of claim 1, wherein: the wear-resistant plate is arranged between the clamp spring and the shell, the wear-resistant plate is in clearance fit with the straight shaft part, the clamp spring is used for pressing the wear-resistant plate on the outer wall of the shell, and the wear-resistant plate can rotate relative to the shell.
3. The branching circulation pump of claim 1, wherein: the water outlet device also comprises a ceramic shaft sleeve, the ceramic shaft sleeve is fixedly arranged in a shell wall at one end of the shell, which is not provided with the first water outlet, along the length direction of the shell, and the straight shaft part penetrates through the ceramic shaft sleeve.
4. The branching circulation pump of claim 1, wherein: the impeller is characterized by further comprising an axial end fixing nut, wherein one end of the straight shaft part, which is far away from the spiral shaft part, is provided with threads, and the axial end fixing nut is in threaded connection with the straight shaft part and fixes the impeller on the straight shaft part.
5. The branching circulation pump of claim 1, wherein: the impeller, the shell and the rotating shaft are all coaxial.
6. A shower system, characterized by: the shower head comprises a main pipeline, branch pipelines, a circulating pump and the branch circulating pump as claimed in any one of claims 1 to 5, wherein the first water inlet on the branch circulating pump is communicated with the second water outlet, the second water inlet on the branch pipelines is communicated with the third water outlet on the main pipeline, and a shower head or a nozzle for showering is arranged on the pipeline between the second water inlet and the second water outlet on the branch pipelines.
7. The shower system of claim 6, wherein: the main pipeline is communicated with a plurality of branch pipelines, the second water outlet communicated part of the main pipeline and each branch pipeline is correspondingly provided with one branch circulating pump, and the second water outlet on each branch pipeline is communicated with the first water inlet of the branch circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010151410.1A CN111271290B (en) | 2020-03-06 | 2020-03-06 | Branch circulation pump and shower system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010151410.1A CN111271290B (en) | 2020-03-06 | 2020-03-06 | Branch circulation pump and shower system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111271290A true CN111271290A (en) | 2020-06-12 |
| CN111271290B CN111271290B (en) | 2024-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010151410.1A Active CN111271290B (en) | 2020-03-06 | 2020-03-06 | Branch circulation pump and shower system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111271290B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795512A (en) * | 2020-06-16 | 2020-10-20 | 普泛能源技术研究院(北京)有限公司 | Fluid energy recovery assembly, system and absorption refrigeration/heat pump system |
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| CN101435621A (en) * | 2007-11-16 | 2009-05-20 | 高明全 | Automatic power generation and heating hot water system |
| JP2011027101A (en) * | 2009-07-03 | 2011-02-10 | Japan Manned Space Systems Corp | Turbo pump |
| EP3241950A1 (en) * | 2014-12-30 | 2017-11-08 | Aquareturn, S.L. | Device and water system for preventing the proliferation of living beings in water pipes |
| CN108661118A (en) * | 2018-06-27 | 2018-10-16 | 薛雨晴 | Energy-saving type heat-preserving bathroom |
| CN208748764U (en) * | 2018-08-15 | 2019-04-16 | 广州市天滢卫浴科技有限公司 | A kind of constant-temperature water discharge device for massage bathtub |
| CN212106280U (en) * | 2020-03-06 | 2020-12-08 | 临沂大学 | Branch circulating pump and shower system |
-
2020
- 2020-03-06 CN CN202010151410.1A patent/CN111271290B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435621A (en) * | 2007-11-16 | 2009-05-20 | 高明全 | Automatic power generation and heating hot water system |
| JP2011027101A (en) * | 2009-07-03 | 2011-02-10 | Japan Manned Space Systems Corp | Turbo pump |
| EP3241950A1 (en) * | 2014-12-30 | 2017-11-08 | Aquareturn, S.L. | Device and water system for preventing the proliferation of living beings in water pipes |
| CN108661118A (en) * | 2018-06-27 | 2018-10-16 | 薛雨晴 | Energy-saving type heat-preserving bathroom |
| CN208748764U (en) * | 2018-08-15 | 2019-04-16 | 广州市天滢卫浴科技有限公司 | A kind of constant-temperature water discharge device for massage bathtub |
| CN212106280U (en) * | 2020-03-06 | 2020-12-08 | 临沂大学 | Branch circulating pump and shower system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795512A (en) * | 2020-06-16 | 2020-10-20 | 普泛能源技术研究院(北京)有限公司 | Fluid energy recovery assembly, system and absorption refrigeration/heat pump system |
| CN111795512B (en) * | 2020-06-16 | 2021-06-01 | 普泛能源技术研究院(北京)有限公司 | Fluid energy recovery assembly, system and absorption refrigeration/heat pump system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111271290B (en) | 2024-09-24 |
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