CN116696790A

CN116696790A - Modular pump assembly

Info

Publication number: CN116696790A
Application number: CN202310200237.3A
Authority: CN
Inventors: 弗洛里安·绍尔; 托比亚斯·德梅尔迈尔
Original assignee: Husqvarna AB
Current assignee: Husqvarna AB
Priority date: 2022-03-03
Filing date: 2023-03-03
Publication date: 2023-09-05
Also published as: CN219529326U; EP4239202A1

Abstract

A modular pump assembly (100) includes a pump housing (110) adapted to receive a drive motor (112) therein. The modular pump assembly (100) further includes a first fluid passage (114) and at least one second fluid passage (116). The first fluid channel (114) includes a first end (114A) and a second end (114B) such that the first end (114A) of the first fluid channel (114) is fluidly coupled with the pump housing (110). The at least one second fluid channel (116) includes a first end (116A) and a second end (116B) such that the first end (116A) of the at least one second fluid channel (116) is fluidly coupled with the pump housing (110). The modular pump assembly (100) is characterized in that the second end (114B) of the first fluid channel (114) is adapted to be fluidly coupled with one or more first pump components (120). Furthermore, a second end (116B) of the at least one second fluid channel (116) is adapted to be fluidly coupled with one or more second pump components (130).

Description

Modular pump assembly

Technical Field

The present disclosure relates to a pump assembly. More particularly, the present disclosure relates to modular structural construction of the pump assembly.

Background

Various types of non-submersible pumps are known in the art, such as garden pumps, pressure tank units, and electronic pressure pumps. Such pumps may be used for different applications depending on the needs of the use. Different types of pumps differ from each other in terms of parameters such as type of component, component design, component position, fluid flow pattern, operating conditions, etc. However, all of these pumps have at least some components that are common in all variants. More specifically, all types of pumps have an electric motor and associated hydraulic means.

Garden pumps are the simplest type of construction. The pump needs to have a pipe in front of the hydraulic device, which pipe leads to the inlet on the suction side of the pump. After the hydraulic device, the pumping medium is pumped via the hydraulic chamber to the outlet of the pressure side. For filling the pump, a filling opening is provided on the suction side or the pressure side. In order to discharge the fluid inside the pump, a discharge opening is provided on the pressure side.

The pressure tank unit compensates for small leaks and pressure fluctuations in the pump by means of a tank pre-filled with air. The tank is connected to the pressure side of the pump. Furthermore, this design requires a sensor for detecting the pressure level of the tank. The sensor is also located on the pressure side. To prevent the tank from emptying after the pump has been turned off, the tank, the pressure tube with the sensor and the outlet area are separated from the rest of the pressure side by a one-way valve.

The electronic pressure pump detects various operation states using an electronic device. The detection of the operating state is generally carried out via sensors in the form of flow sensors and pressure sensors. The flow sensor is located in the pressure line and the pressure sensor is also located on the pressure side. Furthermore, the check valve prevents the pressure line from being emptied after the pump is turned off.

However, there remains a need for cost-effective manufacturing solutions for manufacturing different types of pumps, such as, but not limited to, the pumps described above.

Disclosure of Invention

In view of the above, it is an object of the present application to solve or at least mitigate the above-mentioned drawbacks. This object is at least partially achieved by a modular pump assembly. The modular pump assembly comprises a pump housing comprising an impeller device driven by a drive motor, preferably arranged inside the pump housing, such that the drive motor is adapted to drive the fluid at the inlet of the modular pump assembly to a pressure chamber located upstream of the main flow direction of the fluid. The fluid exits the pressure chamber via the first fluid passage and the at least one second fluid passage. The first fluid channel includes a first end and a second end such that the first end of the first fluid channel is fluidly coupled with the pump housing. The at least one second fluid channel includes a first end and a second end such that the first end of the at least one second fluid channel is fluidly coupled to the pump housing. A feature of the modular pump assembly is that the second end of the first fluid channel is adapted to be fluidly coupled with one or more first pump components. Further, the second end of the at least one second fluid channel is adapted to be fluidly coupled with one or more second pump components.

Accordingly, the present disclosure advantageously provides a modular pump assembly. The modular pump assembly allows for the manufacture of different types of pump assemblies, such as garden pump assemblies, pressure tank cell assemblies, and electronic pressure pump assemblies, in a cost-effective manner. The modular pump assembly uses a pump housing that is common among different types of pump assemblies. The pump assembly acts as a universal platform to manufacture all types of pumps. The pump housing is fluidly coupled to one or more pump components required to manufacture different types of pump assemblies. This allows for a reduction in the total number of parts and processes required to manufacture different types of pumps. Only a single type of pump assembly is manufactured, and then the appropriate pump components are installed to obtain the desired type of pump assembly.

According to an embodiment of the present disclosure, the second end of the first fluid channel is fluidly coupled with the second end of the second fluid channel. The first fluid channel and the second fluid channel are fluidly coupled using one or more connecting tubes. The fluid coupling may be used to completely drain the modular pump assembly during a shutdown of the modular pump assembly, among other benefits.

According to an embodiment of the present disclosure, the first pump component is an outlet tube and the second pump component is a flow tube. The first pump component and the second pump component may be selected according to the application requirements of the modular pump assembly. In one embodiment, the flow tube can function as a drain to drain fluid from the garden pump assembly. Additionally or in alternative embodiments, the flow tube may be connected to a reservoir. Furthermore, the first pump component and the second pump component may be more than one component to advantageously increase the utility of the modular pump assembly.

According to an embodiment of the present disclosure, the one-way valve is adapted to engage with the outlet tube. The check valve may be used to maintain pressure in the first and second pump components of the modular pump assembly even when the modular pump assembly is not operating.

According to an embodiment of the present disclosure, the pressure tank unit is coupled to the flow tube. The modular pump assembly is advantageously coupled to a pressure tank unit. The pressure tank unit may supplement the pumping operation of the modular pump assembly. Furthermore, the pressure tank unit may allow the drive motor of the modular pump assembly to be turned off while still maintaining the pressure required for performing various home and industrial operations.

According to an embodiment of the present disclosure, the flow measurement impeller is adapted to engage with a flow tube. Different applications may require different fluid flow requirements. Thus, the flow measurement impeller may help provide an appropriate amount of pressurized fluid for modular pump assembly applications.

Other features and aspects of the present application will be apparent from the following description and the accompanying drawings.

Drawings

The application will be described in more detail with reference to the accompanying drawings, in which:

FIG. 1 illustrates a side cross-sectional view of a pump housing coupled with a first fluid channel and a second fluid channel in accordance with an aspect of the present disclosure;

fig. 2 illustrates a side perspective view of a modular garden pump assembly, according to an aspect of the present disclosure;

FIG. 3A illustrates a side cross-sectional view of a modular garden pump assembly without a one-way valve, according to an aspect of the present disclosure;

FIG. 3B illustrates a side cross-sectional view of a modular garden pump assembly with a one-way valve, according to an aspect of the present disclosure;

fig. 4A illustrates a side perspective view of a pressure tank cell assembly according to an aspect of the present disclosure;

fig. 4B illustrates a front perspective view of a pressure tank cell assembly according to an aspect of the present disclosure;

FIG. 5 illustrates a side cross-sectional view of a pressure tank cell assembly in accordance with an aspect of the present disclosure;

FIG. 6 illustrates a side perspective view of an electronic pressure pump assembly in accordance with an aspect of the present disclosure; and is also provided with

Fig. 7 illustrates a side cross-sectional view of an electronic pressure pump assembly in accordance with an aspect of the present disclosure.

Detailed Description

The present application will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the application incorporating one or more aspects of the application are shown. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. For example, one or more aspects of the present application may be used in other embodiments, even in other types of structures and/or methods. In the drawings, like numbering represents like elements.

Certain terminology is used herein for convenience only and is not to be taken as a limitation on the present application. For example, "upper," "lower," "front," "rear," "side," "longitudinal," "lateral," "transverse," "upward," "downward," "forward," "rearward," "lateral," "left," "right," "horizontal," "vertical," "upper," "inner," "outer," "inward," "outward," "top," "bottom," "higher," "above," "lower," "central," "intermediate," "centered," "between," "end," "adjacent," "proximal," "near," "distal," "remote," "radial," "circumferential," etc., describe only the configurations shown in the figures. Indeed, the components may be oriented in any direction and the terminology, therefore, should be understood as encompassing such variations unless specified otherwise.

Fig. 1 illustrates a modular pump assembly 100 that may be used for irrigation, water supply, sewage transfer, and other home and industrial applications. For purposes of describing various aspects of the present disclosure, the modular pump assembly 100 may be interchangeably referred to as the pump assembly 100. The modular pump assembly 100 includes a pump housing 110. The pump housing 110 includes an impeller arrangement driven by a drive motor 112 disposed within the pump housing 110. The drive motor 112 is adapted to drive the fluid at the inlet of the modular pump assembly 100 to a pressure chamber located upstream of the main flow direction of the fluid. Fluid exits the pressure chamber via a first fluid passage 114 and at least one second fluid passage 116. The first fluid channel 114 includes a first end 114A and a second end 114B such that the first end 114A of the first fluid channel 114 is fluidly coupled with the pump housing 110. The at least one second fluid channel 116 includes a first end 116A and a second end 116B such that the first end 116A of the at least one second fluid channel 116 is fluidly coupled to the pump housing 110.

The pump housing 110, being fluidly coupled with the first fluid channel 114 and the at least one second fluid channel 116, serves as a base module for manufacturing different types of pump assemblies 100. The pump assembly 100 may be a garden pump assembly 102 (as shown in fig. 2, 3A, and 3B), a pressure tank unit assembly 104 (as shown in fig. 4A, 4B, and 5), or an electronic pressure pump assembly 106 (as shown in fig. 6 and 7).

As shown in fig. 2, 3A, and 3B, the second end 114B of the first fluid channel 114 is adapted to be fluidly coupled with one or more first pump components 120. However, for purposes of understanding the present disclosure, the one or more first pump components 120 are only one first pump component 120. Further, the second end 116B of the at least one second fluid channel 116 is adapted to be fluidly coupled with one or more second pump components 130. However, for purposes of understanding the present disclosure, the at least one second fluid channel 116 is only one second fluid channel 116, and the one or more second pump components 130 is only one second pump component 130. Further, the first pump component 120 and the second pump component 130 are fluidly coupled to each other by a connecting tube 140 via any means known and understood in the relevant art (as shown in fig. 3B).

In the illustrated embodiment, as shown in fig. 2, 3A, and 3B, the fluid coupling between the second end 114B of the first fluid channel 114 and the one or more first pump components 120 is achieved by a series of annular protrusions 122 provided with the one or more first pump components 120. Similarly, the fluid coupling between the second end 116B of the second fluid passage 116 and the one or more second pump components 130 is achieved by a series of annular protrusions 132 provided with the one or more second pump components 130. The series of annular protrusions 122, 132 may be snap-fit or friction-fit with the inner surfaces of the first and second fluid passages 114, 116, respectively. However, the fluid coupling between the second end 114B of the first fluid channel 114 and the one or more first pump components 120 or the fluid coupling between the second end 116B of the second fluid channel 116 and the one or more second pump components 130 may be accomplished by any other means known and understood in the art without limiting the scope of the present disclosure in any way.

With continued reference to fig. 2 and 3B, the pump assembly 100 is a garden pump assembly 102. The first pump component 120 is an outlet tube 124. The one-way valve 128 is adapted to engage the outlet tube 124. The check valve 128 may be used to maintain pressure in the first pump component 120 and the second pump component 130 of the pump assembly 100 even when the pump assembly 100 is not operating. Furthermore, the check valve 128 may be equipped with a magnet so that the check valve 128 may be used with the necessary electronics for fluid flow measurement in the garden pump assembly 102. In addition, the outlet tube 124 includes a service port 126 that may allow access to a one-way valve 128 adapted to engage the outlet tube 124. The service port 126 may allow removal and cleaning of the check valve 128. When maintenance or repair of the check valve 128 is not required, the maintenance port 126 is closed by the cover 125. The service port 126 is closed by a cover 125 such that pumped fluid does not leak through the service port 126.

In addition, when the garden pump assembly 102 may be stopped for normal or abnormal reasons, it may be desirable to drain fluid from the garden pump assembly 102 to prevent damage to the garden pump assembly 102 due to freezing of the fluid. Thus, the second pump component 130 is a flow tube 134 that can function as a drain to drain fluid from the garden pump assembly 102. Fluid from the lower portion of garden pump assembly 102 can flow through flow tube 134 for discharge. In addition, fluid from the upper portion of garden pump assembly 102 can flow through first pump member 120 and further to flow tube 134 via connecting tube 140 for discharge. In this way, the entire garden pump assembly 102 can be completely drained.

However, in some embodiments, during normal operation of garden pump assembly 102, flow tube 134 can function as outlet tube 124, and can further be fluidly connected to a reservoir or hose for a variety of applications. Furthermore, in some embodiments, flow tube 134 is covered by cover 135 during normal operation of garden pump assembly 102 when only outlet tube 124 is needed as a fluid outlet based on application requirements.

In another embodiment of the garden pump assembly 102, as shown in fig. 3A, the garden pump assembly 102 has a simple structure and does not include elements such as the connecting tube 140 or the one-way valve 128. In this embodiment, the maintenance port 126 may be fluidly coupled to a fluid delivery source (e.g., without limitation, a hose) for various industrial and household applications, or the maintenance port 126 may be closed only by the cover 125 to prevent fluid leakage through the maintenance port 126. Further, similar to the embodiment shown in fig. 3B, the flow tube 134 may be fluidly connected to a reservoir or hose for a variety of applications, or the flow tube 134 may be covered by only the cover 135 as desired.

Thus, the garden pump assembly is easily manufactured using the base module comprising the pump housing 110, the first fluid channel 114 and the second fluid channel 116, thereby making the manufacture of the garden pump assembly 102 cost-effective.

Referring to fig. 4A, 4B and 5, the manufacture of the pressure tank cell assembly 104 is accomplished in a very simple manner. As with garden pump assembly 102, pump housing 110, first fluid channel 114, and second fluid channel 116 also serve as a base module for manufacturing pressure tank cell assembly 104. Further, the pressure tank cell assembly 104 is manufactured by fluidly coupling the second end 114B of the first fluid passage 114 with the second end 116B of the second fluid passage 116. This fluid coupling may be used to completely drain the pressure tank cell assembly 104 or the pump assembly 100 for various reasons known and understood in the art. However, the fluid coupling may be advantageously used for other purposes depending on the application requirements of the pressure tank cell assembly 104.

The fluid coupling between the second end 114B of the first fluid channel 114 and the second end 116B of the second fluid channel 116 is achieved by coupling the outlet tube 124 and the flow tube 134 using one or more connecting tubes 140. The one or more connection pipes 140 are only one connection pipe 140. The coupling between outlet tube 124 and flow tube 134 using connecting tube 140 is accomplished by any means known in the art. Further, the connecting tube 140 is fluidly coupled to the outlet tube 124 such that the fluid coupling between the connecting tube 140 and the outlet tube 124 is downstream of the one-way valve 128 in the direction of fluid flow.

Furthermore, to complete the pressure tank unit assembly 104, a pressure tank unit (not shown) is coupled to the flow tube 134 via a tube 141. The pressure tank unit is further fluidly coupled to the outlet tube 124 via a connecting tube 140. The pressure tank unit may include a pressure tank (not shown) and a pressure sensor (not shown). The pressure tank unit may supplement the pumping operation of the pump assembly 100. Further, the pressure tank unit may allow the drive motor 112 of the pump assembly 100 to be turned off while still maintaining the pressure required for performing various home and industrial operations.

Referring now to fig. 6 and 7, the manufacture of the electronic pressure pump assembly 106 is accomplished in a very simple and cost-effective manner. As with garden pump assembly 102 and pressure pump unit assembly 104, pump housing 110, first fluid channel 114, and second fluid channel 116 also serve as a base module for manufacturing electronic pressure pump 106. Further, the electronic pressure pump assembly 106 is manufactured by fluidly coupling the second end 114B of the first fluid channel 114 with the second end 116B of the second fluid channel 116. The fluid coupling between the second end 114B of the first fluid channel 114 and the second end 116B of the second fluid channel 116 is achieved by coupling the outlet tube 124 and the flow tube 134 using one or more connecting tubes 140. One or more of the connection tubes 140 is a connection tube 140. Further, the connecting tube 140 is fluidly coupled to the outlet tube 124 such that the fluid coupling between the connecting tube 140 and the outlet tube 124 is upstream of the one-way valve 128 in the direction of fluid flow. The connection tube 140 is shown as being straight and oriented at an angle relative to the horizontal. However, the connecting tube 140 may have any other suitable shape and orientation depending on space, application requirements, and other factors.

In addition, the outlet tube 124 includes a pressure sensor 150 to measure the pressure of the exiting fluid. In addition, to complete the electronic pressure pump assembly 106, the flow measurement impeller 160 is adapted to engage the flow tube 134. Different applications may require different fluid flow requirements. Accordingly, the flow measurement impeller 160 may help provide an appropriate amount of pressurized fluid for pump assembly applications.

Accordingly, the present disclosure advantageously provides a modular pump assembly 100. The modular pump assembly 100 allows different types of pump assemblies, such as a garden pump assembly 102, a pressure tank unit assembly 104, and an electronic pressure pump assembly 106, to be manufactured in a cost-effective manner. The modular pump assembly 100 uses pump housings 110 that are common among different types of pump assemblies 100. The pump housing 110 is fluidly coupled with one or more pump components (e.g., the first pump component 120, the second pump component 130, the one or more connection tubes 140, etc., as discussed in detail in this disclosure) required to manufacture different types of pump assemblies 100.

In the drawings and specification, there have been disclosed preferred embodiments and examples of the application and, although specific terms are employed, they are used in a generic and descriptive sense only and not for purposes of limitation, the scope of the application being set forth in the following claims.

Element list

100 pump assembly/modular pump assembly

102. Garden pump assembly

104. Pressure tank unit assembly

106. Electronic pressure pump assembly

110. Pump housing

112. Driving motor

114. First fluid channel

114A first end

114B second end

116. Second fluid passage

116A first end

116B second end

120. First pump part

122. Annular protrusion

124. Outlet pipe

125. Covering piece

126. Maintenance port

128. One-way valve

130. Second pump part

132. Annular protrusion

134. Flow tube

135. Covering piece

140. Connecting pipe

141. Pipe

150. Pressure sensor

160. A flow measuring impeller.

Claims

1. A modular pump assembly (100), comprising:

a pump housing (110) comprising an impeller arrangement driven by a drive motor (112), wherein the drive motor (112) is adapted to drive a fluid at an inlet of the modular pump assembly (100) to a pressure chamber located upstream of a main flow direction of the fluid, and wherein,

the fluid exits the pressure chamber via a first fluid channel (114) and at least one second fluid channel (116) such that the first fluid channel (114) has a first end (114A) and a second end (114B), wherein the first end (114A) of the first fluid channel (114) is fluidly coupled with the pump housing (110); and is also provided with

The at least one second fluid channel (116) has a first end (116A) and a second end (116B), wherein the first end (116A) of the at least one second fluid channel (116) is fluidly coupled with the pump housing (110);

the method is characterized in that:

a second end (114B) of the first fluid channel (114) is adapted to be fluidly coupled with one or more first pump components (120); and is also provided with

A second end (116B) of the at least one second fluid channel (116) is adapted to be fluidly coupled with one or more second pump components (130),

thus, the pump housing acts as a universal platform allowing different types of pumps to be manufactured by fluidly coupling the pump housing with the appropriate one or more of the first pump component (120) and/or the second pump component (130).

2. The modular pump assembly (100) of claim 1, wherein the second end (114B) of the first fluid channel (114) is fluidly coupled with the second end (116B) of the second fluid channel (116).

3. The modular pump assembly (100) of claim 1 or 2, wherein the first pump component (120) is an outlet tube (124) and the second pump component (130) is a flow tube (134).

4. A modular pump assembly (100) as claimed in claim 3, wherein the outlet tube (124) is adapted to engage a one-way valve (128).

5. The modular pump assembly (100) of claim 3, wherein the flow tube (134) is coupled to a pressure tank unit.

6. A modular pump assembly (100) as claimed in claim 3, wherein the flow tube (134) is adapted to engage a flow measurement impeller (160).

7. The modular pump assembly (100) of claim 1, wherein the drive motor (112) is disposed inside the pump housing (110).

8. The modular pump assembly (100) of claim 1, wherein the different types of pumps are garden pump assemblies, pressure tank cell assemblies, and electronic pressure pump assemblies.

9. The modular pump assembly (100) of claim 5, wherein the flow tube (134) is adapted to engage a flow measurement impeller (160).