EP4115087A1 - Foot for a pump - Google Patents

Foot for a pump

Info

Publication number
EP4115087A1
EP4115087A1 EP21700198.1A EP21700198A EP4115087A1 EP 4115087 A1 EP4115087 A1 EP 4115087A1 EP 21700198 A EP21700198 A EP 21700198A EP 4115087 A1 EP4115087 A1 EP 4115087A1
Authority
EP
European Patent Office
Prior art keywords
pump
foot
stable position
arm
base body
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
Application number
EP21700198.1A
Other languages
German (de)
French (fr)
Other versions
EP4115087B1 (en
Inventor
Yunus BAYKARA
Christian Drößler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Husqvarna AB
Original Assignee
Husqvarna AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Husqvarna AB filed Critical Husqvarna AB
Publication of EP4115087A1 publication Critical patent/EP4115087A1/en
Application granted granted Critical
Publication of EP4115087B1 publication Critical patent/EP4115087B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/605Mounting; Assembling; Disassembling specially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/30Retaining components in desired mutual position
    • F05D2260/36Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/50Kinematic linkage, i.e. transmission of position

Definitions

  • the present disclosure relates to a foot for a pump. More specifically, the present disclosure relates to a foot for a pump which provides simple and convenient methods to adjust or manage different heights of the pump as per the requirements of common users.
  • a pump is a device that allows transport of fluids such as liquids or gases, or sometimes slurries, by mechanical actions.
  • a submersible pump is a device which has a hermetically sealed motor close-coupled to a pump body.
  • the submersible pump may be submerged in a fluid to be pumped.
  • the pumps are used to pump water from wells, or to filter aquariums, ponds, or may be used in car industries or energy industries for desired purposes.
  • the pump may include a foot. The foot may help to attain desired heights depending on a liquid level in which the pump is submersed.
  • an additional structure (such as base of a pump) may be coupled or uncoupled with the pump to get the desired height of the pump. Further, the coupling and uncoupling of additional parts to the pump may lead to formation of unrequired complex construction of the pump. Moreover, many technical issues may occur during assembly or disassembly of the additional structures with the pump.
  • United States patent application US2016161051 provides a system for lifting tables, chairs, bed bases and the like.
  • the system is lockable and unlockable automatically through at least one universal telescopic snap movement or in a known way including at least one pantograph — a vertically moveable load-bearing structure arranged between a base and the bottom of a piece of furniture or element to be lifted. Further, a stopping device is provided to keep the pantograph in a desired height position.
  • the load-bearing structure is formed by at least one pantograph having a plurality of parallelograms articulated to one another whose lower vertex is articulated to the base and upper vertex is articulated to the bottom of the furniture or object to be lifted and the stopping device is an integral part of telescopic snap movement.
  • the German patent application DE102006016981 describes a submersible pump.
  • the lower side of the housing of that pump forms feet that allow the pump to stand on a surface in operational mode.
  • the pump includes pivotably mounted foot parts that can be pivoted below the feet and into the inner side of the housing.
  • the foot parts can be pivoted-in or pivoted out with respect to the feet of the pump.
  • the pump housing and thus its water inlet can be lifted or lowered in respect to the surface it stand on.
  • the pivotably mounted foot part move into respective receiving spaces around bottom of the pump. Further, when in the receiving spaces, the pivotably mounted foot part are no longer visible or accessible from outside.
  • the pump of the present application involves two-different “foots” i.e., the pivotably mounted foot part and the feet formed with the housing of the pump. The feet of the pump rest on the standing surface when the pivotably mounted foot part are pivoted-in (and not accessible therefor) into the respective receiving spaces. This arrangement with the two-different “foots” needs the user to shift the pump out of its operational position when wanting to manipulate the foot parts.
  • the Chinese utility model CN 201 568 282 U also describes a pump that has pivotable feet attached to its pump housing from underneath. These feet are connected to their respective housing via a hinge. The hinge and thus the coupling is sturdily secured by a securing element that is at the hinge screwed onto the base body after coupling.
  • the feet of the pump can be pivoted between a first stabile position and a second stabile position in respect to the base body. Doing this changes the height of the pumps water inlet in respect to the ground when the pump is back in its operational position. Again accessing the feet from underneath the housing need to shift the pump out of its operational position.
  • the objective is at least partially achieved by a pump having a pump housing and a foot.
  • the foot includes a base body and a coupling structure coupled to the base body.
  • the coupling structure includes a front panel that is configured to remain in a first stable position and a second stable position in respect to the base body.
  • the front panel is accessible during the operational position of the pump from the side of its pump housing.
  • the foot is characterized in that the base body rests on the foot in the first stable position and the second stable position. And, pushing and pulling of the foot keeps (or moves) it between the first stable position and the second stable position.
  • a method of actuating the foot of the pump provides the coupling structure.
  • the method includes the step of proving a first arm which is coupled to the base body at a first end.
  • the method further includes providing a second arm which is coupled to the base body at a second end.
  • the method includes providing a third arm which is positioned to actuate both the first arm and the second arm.
  • the first arm, the second arm and the third arm are cooperatively movable relative to each other between the first stable position and the second stable position, such that the front panel is adapted to actuate the third arm to move against the first arm and the second arm. This helps in engagement of the front panel with the base body.
  • a general bistable mechanism is described by U.S. patent 6,215,081 whether naming any exemplary use, in particular not for use for the feet of pumps, nor describing any featural additions necessary for a certain use case.
  • the coupling structure includes a first end and a second end.
  • the first end of a coupling structure adapted to be pivotally coupled to the base body.
  • the coupling structure is engaged with at least one of a first structural feature and a second structural feature defined on the base body.
  • the coupling structure engages with the first structural feature in the first stable position and the coupling structure engages with the second structural feature in the second stable position of the coupling structure. This provide the foot with an ability to stay in the first stable position and the second stable position without power input and despite small external disturbances.
  • the front panel is coupled to the second end of the coupling structure. This allows free movement or actuation of the front panel by the common user.
  • the first stable position corresponds to a first height of the pump base and the second stable position corresponds to a second height of the pump base. This may help in achieving the desired heights which are meant to suck/pump a large quantity of liquid in which the pump is submerged.
  • the second height is greater than the second height. This may allow suction or pumping of liquid when the liquid level is relatively high.
  • the first height and the second height are 1mm and 5mm respectively. This may allow the pump to force the liquid entry at both desired liquid heights.
  • the front panel include at least one tab. This may allow the front panel to get engaged with the base body.
  • the base body is structurally integrated with the pump. This may prevent strength to the foot of the pump.
  • the foot is removably coupled with the pump. This may allow assembly of the foot to the pump as per the applicational requirements of the common users.
  • the first arm and the second arm are coupled by flexible hinges.
  • durability of the flexible hinges may allow repetitional movements of the foot.
  • the flexible hinges may experience little friction when the first arm, the second arm, and the third arm are actuated. Further, the flexible hinges may typically result in a long service life. Moreover, an integration of the flexible hinges may eliminate the need of extra components.
  • the first arm and the third arm are coupled by a snap connection.
  • the snap connection may provide simple and cost -effective ways to assemble different parts of the foot.
  • the base body includes one or more recesses/grooves. This may allow assembly of the foot to the on remainder part of the pump housing through the one or more recesses/grooves.
  • the base body is engaged to the pump through the one or more recesses/grooves. This may connect the foot to the pump to form a single body.
  • the foot for a pump having a pump housing may be manufactured using a three-dimensional (3-D) printing process.
  • the present disclosure provides a data file, corresponding pre- stored instructions that include a digital representation of the foot, and that when run in a processor controlling an operation of three-dimensional printer makes the three-dimensional printer manufacture the foot.
  • Use of three- dimensional printing may provide versatility of using different materials along with lower lead-time in manufacturing and design of the foot.
  • An embodiment of the present invention also concerns a pump having a pump housing and have the claimed foot associated with it.
  • FIG. 1 illustrates a pump base with one or more feet, in accordance with an aspect of the present disclosure
  • FIG. 2A illustrates a side view of the foot for the pump in a first stable position, in accordance with an aspect of the present disclosure
  • FIG. 2B illustrates a front view of the foot for the pump in the first stable position, in accordance with an aspect of the present disclosure
  • FIGS. 3A and 3B illustrate side and front views of the foot in a second stable position respectively, in accordance with an aspect of the present disclosure
  • FIGS. 4A and 4B illustrate front and side views of another embodiment of the foot, in accordance with an aspect of the present disclosure
  • FIGS. 5A and 5B illustrate front and side views of another embodiments of the foot in the first stable position, in accordance with another aspect of the present disclosure
  • FIGS. 6A and 6B illustrate front and side views of another embodiments of the foot in the second stable position, in accordance with another aspect of the present disclosure
  • FIG. 7 illustrates the pump base in the first stable position, in accordance with another aspect of the present disclosure.
  • FIG. 8 illustrates the pump base in the second stable position, in accordance with another aspect of the present disclosure. DESCRIPTION OF EMBODIMENTS
  • FIG. 1 illustrates a pump base 100 of a pump 150.
  • the pump 150 is a mechanical device which pumps fluids such as liquids, gases, or sometimes slurries.
  • the pump 150 may be used indoors or outdoors according to applicational needs of a common user.
  • the pump 150 includes a handle 103 to lift or displace the pump 150.
  • the body includes a water inlet 102 (not visible).
  • the water inlet 102 is present at the bottom of the pump housing 105, that is at the bottom of its pump base 100 and allows a liquid to be sucked by the pump 150.
  • the pump 150 has an outlet 104.
  • the outlet 104 discharges the liquid.
  • the discharged liquid may be used to different applications such as irrigation, washing etc.
  • the pump housing 105 comprising a pump base 100 including one or more feet 106 or alternatively, foot 106.
  • the one or more feet 106 are accessible during the normal operation of pump 150 from side of the pump housing 105. This allows to adjust desired heights of the pump 150 being in its operational position.
  • the common user may need the pump 150 to get adjusted at different heights.
  • the pump 150 at different heights may cater to different application requirements. Pushing and pulling of the foot (106) moves it between its first stable position and its second stable position.
  • the pump base 100 may be an integral part of the pump housing 105 or may be assembled or disassembled with a pump housing 105 through one or more pump base connectors 132 connecting the pump base 100 to the remainder part of the pump housing 105.
  • the one or more feet 106 may be manufactured by three-dimensional printing.
  • the present disclosure provides a data file, corresponding pre-stored instructions that include a digital representation of the foot 106, and that when run in a processor controlling an operation of three-dimensional printer makes the three-dimensional printer manufacture the foot 106.
  • Use of three-dimensional printing may provide versatility of using different materials along with lower lead- time in manufacturing and design of the one or more feet 106.
  • the one or more feet 106 may be made up of a material selected from steel, brass, stainless steel, aluminum or plastic. Nature of the material is chosen as per the requirements of the common user. The desired nature of the material provides the one or more feet 106 with certain characteristic features such as flexibility, elasticity, rigidity, heat or vibrations resistant properties.
  • FIG. 2A illustrates a side view of the foot 106 for the pump 150 in a first stable position.
  • the foot 106 includes a base body 110.
  • the foot 106 further includes a coupling structure 112.
  • the coupling structure 112 is coupled to the base body 110.
  • the base body 110 has a first end 116 and a second end 118.
  • the coupling structure 112 allows the foot 106 to pivotally move between the first stable position and a second stable position (shown in FIGS. 3A and 3B respectively).
  • the pump 150 further includes a front panel 114.
  • the front panel 114 is actuated by a user to move the foot 106 between the first stable position and the second stable position.
  • the front panel 114 includes a tab 120.
  • the tab 120 allows an engagement (shown in FIGS.3A and 3B) and disengagement of the front panel 114 with the second end 118 of the base body 110.
  • the foot 106 further includes a first arm 122, a second arm 124 and a third arm 126.
  • the first arm 122 is coupled to the base body 110 at the first end 116.
  • the second arm 124 is coupled to the base body 110 at the second end 118.
  • the third arm 126 is positioned to actuate both the first arm 122 and the second arm 124.
  • the first arm 122, the second arm 124 and the third arm 126 are cooperatively movable relative to each other between the first stable position and the second stable position.
  • the first arm 122 and the second arm 124 are coupled by one or more flexible hinges 128.
  • the one or more flexible hinges 128 may experience little friction when the first arm 122, the second arm 124, and the third arm 126 are actuated. Further, the one or more flexible hinges 128 may typically result in a long service life. An integration of the one or more living hinges 128 may eliminate the need of extra components.
  • the first arm 122 and the third arm 126 are coupled by a snap connection 130. Moreover, the snap connection 130 may provide simple and cost-effective ways to assemble different parts of the foot 106.
  • FIG. 2B illustrates a front view of the foot 106 in the first stable position.
  • the base body 110 is directly coupled to the pump 150.
  • the foot 106 includes one or more recesses/grooves 132. This may connect the foot 106 to the pump 150 to form a single body.
  • the base body 110 is structurally integrated with the pump base 100. This may provide strength/ rigidity to the foot 106 of the pump 150.
  • the foot 106 is removably coupled with the pump base 100. This may allow assembly or disassembly of the foot 106 with the pump base 100 as per the applicational requirements of the common users.
  • the base body 110 may engage with the pump base 100 through the one or more recesses/grooves 132.
  • the base body 110 of the foot 106 may be engaged with the pump base 100 by both temporary and permanent means.
  • the temporary connection may be done by gluing, screwing, tying with threads and the like.
  • the permanent connection may be done by welding, riveting and any other fabrication technique which is used or known in the art.
  • the base body 110 and the pump base 100 may be connected by snap connections.
  • FIGS. 3A and 3B illustrate side and front views of the foot 106 in the second stable position respectively.
  • the front panel 114 is adapted to actuate the third arm 126 to move against the first arm 122 and the second arm 124. This helps in engagement of the front panel 114 with the base body 110.
  • the actuation of the front panel 114 engages the tab 120 with the second end 118 of the base body 110.
  • the front panel 114 may engage with the base body 110 by pressing or pushing the front panel 114 towards the base body 110.
  • the front panel 114 may be actuated by pressing a top portion 133 of the front panel 114.
  • the front panel 114 may engage with the base body 110 manually or by using simple tools.
  • the second stable position of the front panel 114 with the base body 110 increases height of the pump 150 (shown in FIG. 8).
  • the front panel 114 may be provided by some grooves.
  • the grooves may help to actuate the front panel 114.
  • the user may actuate the front panel 114 by inserting fingers into the grooves or by using some simple tool to actuate the front panel 114.
  • the tab 120 may be made up of any material selected from one or more of a plastic, steel, nylon, rubber etc.
  • the tab 120 may provide support to the front panel 114 to stay engaged with the second end 118 of the base body 110.
  • the second end 118 of the base body 110 may have some protrusions which may lock or engage with grooves present on the front panel 114. This arrangement may also provide firmness to the second stable position.
  • some designed structures may be present on the front panel 114. The designed structures may get engaged with complementary designed structures present on the second end 118 of the base body 110.
  • FIGS. 4A and 4B illustrate front and side views of another embodiment of the present invention.
  • the foot 106 includes a coupling structure 134.
  • the coupling structure 134 includes a first end 136 and a second end 138.
  • the coupling structure 134 further includes a first portion 140 towards the first end 136 of the coupling structure 134.
  • the coupling structure 134 includes a second portion 142 towards the second end 138 of coupling structure 134.
  • the first end 136 of the coupling structure 134 is adapted to be pivotally coupled to the base body 110.
  • the base body 110 of the foot 106 includes a first structural feature 144. Further, the base body 110 of the foot 106 includes a second structural feature 146.
  • the coupling structure 134 engages with the first structural feature 144 in the first stable position and the coupling structure 134 engages with the second structural feature 146 in the second stable position.
  • the base body 110 further includes a slanting portion 148.
  • the coupling structure 134 engages at least one of the first structural feature 144 and the second structural feature 146 of the base body 110.
  • the coupling structure 134 and the slanting portion 148 may be made up of three-dimensional printing. Use of three-dimensional printing (alternatively, 3D printing) may provide versatility of using different materials along with lower lead-time in manufacturing and design of the coupling structure 134 and the slanting portion 148. In some embodiments, the coupling structure 134 and the slanting portion 148 may be made up of a material selected from steel, brass, stainless steel, aluminum or plastic and the like.
  • FIGS. 5A and FIG. 5B illustrate front and side views of the foot 106 in the first stable position.
  • the coupling structure 134 is engaged with the first structural feature 144 of the base body 110.
  • the coupling structure 134 engages with the first structural feature 144 in the first stable position.
  • the first end 136 of the coupling structure 134 may act as pivot for the engagement or disengagement of the front panel 114 with the first structural feature 144 and the second structural feature 146 (shown in FIG. 6A and 6B).
  • the engagement of the front panel 114 with the first structural feature 144 and the second structural feature 146 may be done manually or by using some basic techniques used or known in the art.
  • FIGS. 6A and 6B illustrate front and side views of the foot 106 in the second stable position.
  • the coupling structure 134 is engaged with the second structural feature 146.
  • the coupling structure 134 engages with the second structural feature 146 in the second stable position.
  • the slanting portion 148 may provide support to the second portion 142 of the coupling structure 134 to stay engaged in the second stable position.
  • the top portion 133 of the front panel 114 along with the tab 120 help to engage the front panel 114 with the second structural feature 146 of the base body 110.
  • the front panel 114 may engage with the first structural feature 144 and the second structural feature 146 as per the requirements.
  • a control unit may be present to control different movements of the front panel 114.
  • An increase or decrease in water level may be sensed by sensors present over the pump 150. The sensors may actuate the front panel 114 to move between the first stable position and the second stable position. On an increase in liquid level, the pump 150 may attain second stable position. Similarly, on lowering of liquid level, the pump 150 may attain the first stable position.
  • FIG. 7 illustrates the pump base 100 in the first stable position.
  • the first stable position is attained by the pump 150, whenever the liquid level is quite low.
  • the first stable position corresponds to a first height of the pump base 100. In an embodiment, the first height is 1mm.
  • the first height of the pump 150 may help in sucking or pumping of water, even when the water level is quite low.
  • FIGS. 2A, 2B and 5A, 5B corresponds to FIG. 7.
  • the movement of the front panel 114 between the first stable position and the second stable position may eliminate need of external resources to lift or drop the pump 150.
  • the front panel 114 may stay only in the first stable position and the second stable position.
  • the front panel 114 may not stay in any intermediate position between the first stable position and the second stable position. Therefore, the front panel 114 may follow a bi- stabile mechanism. This may provide stability to the front panel 114 to stay in the first stable position and the second stable position without much power input and despite small external disturbances.
  • FIG. 8 illustrates the pump base 100 in the second stable position.
  • the second stable position is attained by the pump 150, whenever the liquid level is quite high. With the feet of the pump in this second stable position that particles of a size by 5 mm can pass the pump.
  • the second stable position corresponds to a second height of the pump base 100. In an embodiment, the second height is 5mm.
  • the second height of the pump 150 may help in sucking or pumping of water, even when the water level is quite high.
  • FIGS. 3A, 3B and 6A, 6B corresponds to FIG. 8.
  • the second height is greater than the first height. The first height and the second height may allow the pump 150 to force the liquid entry at both desired liquid heights.
  • the present disclosure provides a method of actuating the foot 106 of the pump 150.
  • the method provides the coupling structure 112 and includes the steps of providing the first arm 122 adapted to be coupled to the base body 110 at the first end 116.
  • the method also includes providing the second arm 124 adapted to be coupled to the base body 110 at the second end 118.
  • the method further includes proving the third arm 126 positioned to actuate both the first arm 122 and the second arm 124.
  • the first arm 122, the second arm 124 and the third arm 126 are cooperatively movable relative to each other between the first stable position and the second stable position, such that the front panel 114 is adapted to actuate the third arm 126 to move against the first arm 122 and the second arm 124.
  • the present disclosure provides the pump 150 having the pump housing 105 and the foot 106.
  • the foot 106 includes the base body 110.
  • the foot 106 includes the coupling structure 112, 134 coupled to the base body 110.
  • the coupling structure 112, 134 includes the front panel 114.
  • the front panel 114 is configured to remain in the first stable position and the second stable position in respect to the base body 110.
  • the front panel 114 is accessible during the operational position of the pump 150 from the side of its pump housing 105.
  • the base body 110 rests on the foot 106 in the first stable position and the second stable position. And, pushing and pulling (or actuation, or engagement) of the foot 106 keeps it between the first stable position and the second stable position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A foot (106) for a pump (150) having a pump housing (105). The foot (106) comprises a base body (110) and a coupling structure (112, 134) coupled to the base body (110). The coupling structure (112, 134) comprises a front panel (114), wherein the front panel (114) is movable between a first stable position and a second stable position in respect to the base body (110). Thereby the front panel (114) is accessible during the operational position of the pump (150) from the side of its pump housing (105). The base body (110) rests on the foot (106) in the first stable position and the second stable position, and pushing and pulling of the foot (106) moves it between its first stable position and the second stable position.

Description

FOOT FOR A PUMP
TECHNICAL FIELD
The present disclosure relates to a foot for a pump. More specifically, the present disclosure relates to a foot for a pump which provides simple and convenient methods to adjust or manage different heights of the pump as per the requirements of common users.
BACKGROUND
A pump is a device that allows transport of fluids such as liquids or gases, or sometimes slurries, by mechanical actions. For example, a submersible pump is a device which has a hermetically sealed motor close-coupled to a pump body. The submersible pump may be submerged in a fluid to be pumped. Generally, the pumps are used to pump water from wells, or to filter aquariums, ponds, or may be used in car industries or energy industries for desired purposes. The pump may include a foot. The foot may help to attain desired heights depending on a liquid level in which the pump is submersed.
However, there may be instances where working with adjustment of pump heights with the help of foots of the pump may become troublesome process. Generally, an additional structure (such as base of a pump) may be coupled or uncoupled with the pump to get the desired height of the pump. Further, the coupling and uncoupling of additional parts to the pump may lead to formation of unrequired complex construction of the pump. Moreover, many technical issues may occur during assembly or disassembly of the additional structures with the pump.
United States patent application US2016161051 provides a system for lifting tables, chairs, bed bases and the like. The system is lockable and unlockable automatically through at least one universal telescopic snap movement or in a known way including at least one pantograph — a vertically moveable load-bearing structure arranged between a base and the bottom of a piece of furniture or element to be lifted. Further, a stopping device is provided to keep the pantograph in a desired height position. Moreover, the load-bearing structure is formed by at least one pantograph having a plurality of parallelograms articulated to one another whose lower vertex is articulated to the base and upper vertex is articulated to the bottom of the furniture or object to be lifted and the stopping device is an integral part of telescopic snap movement. However, the system seems short of providing an improved arrangement for changing different positions (say lifting or lowering) of a pump which may be easy and user-friendly. Further, there also seems to be no role of an improved foot of a pump which may make the system simple, efficient and less prone to downtime due to a large number and complex linking of movable parts of the system.
The German patent application DE102006016981 describes a submersible pump. The lower side of the housing of that pump forms feet that allow the pump to stand on a surface in operational mode. In addition to these feet the pump includes pivotably mounted foot parts that can be pivoted below the feet and into the inner side of the housing. Thus the foot parts can be pivoted-in or pivoted out with respect to the feet of the pump. By this action the pump housing and thus its water inlet can be lifted or lowered in respect to the surface it stand on. In the pivoted-in arrangement, the pivotably mounted foot part move into respective receiving spaces around bottom of the pump. Further, when in the receiving spaces, the pivotably mounted foot part are no longer visible or accessible from outside. This may make application of the pump with the pivotably mounted foot part cumbersome, and involve lifting/movement of the pump in order to access the pivotably mounted foot part. Further, the pump of the present application involves two-different “foots” i.e., the pivotably mounted foot part and the feet formed with the housing of the pump. The feet of the pump rest on the standing surface when the pivotably mounted foot part are pivoted-in (and not accessible therefor) into the respective receiving spaces. This arrangement with the two-different “foots” needs the user to shift the pump out of its operational position when wanting to manipulate the foot parts.
In a somewhat similar manner the Chinese utility model CN 201 568 282 U also describes a pump that has pivotable feet attached to its pump housing from underneath. These feet are connected to their respective housing via a hinge. The hinge and thus the coupling is sturdily secured by a securing element that is at the hinge screwed onto the base body after coupling. The feet of the pump can be pivoted between a first stabile position and a second stabile position in respect to the base body. Doing this changes the height of the pumps water inlet in respect to the ground when the pump is back in its operational position. Again accessing the feet from underneath the housing need to shift the pump out of its operational position.
Thus, there is a need for an improved pump which allows safe, convenient and trouble-free adjustments of heights of the pump.
SUMMARY
In view of the above, it is an objective of the present invention to solve or at least reduce the drawbacks discussed above. The objective is at least partially achieved by a pump having a pump housing and a foot. The foot includes a base body and a coupling structure coupled to the base body. The coupling structure includes a front panel that is configured to remain in a first stable position and a second stable position in respect to the base body. Herein, the front panel is accessible during the operational position of the pump from the side of its pump housing. The foot is characterized in that the base body rests on the foot in the first stable position and the second stable position. And, pushing and pulling of the foot keeps (or moves) it between the first stable position and the second stable position. Thus, the present disclosure provides a simple, efficient, and convenient foot to adjust different heights of the pump.
According to first embodiment of the present invention, a method of actuating the foot of the pump is provided. The method provides the coupling structure. The method includes the step of proving a first arm which is coupled to the base body at a first end. The method further includes providing a second arm which is coupled to the base body at a second end. Further, the method includes providing a third arm which is positioned to actuate both the first arm and the second arm. Moreover, the first arm, the second arm and the third arm are cooperatively movable relative to each other between the first stable position and the second stable position, such that the front panel is adapted to actuate the third arm to move against the first arm and the second arm. This helps in engagement of the front panel with the base body. A general bistable mechanism is described by U.S. patent 6,215,081 whether naming any exemplary use, in particular not for use for the feet of pumps, nor describing any featural additions necessary for a certain use case.
According to a second embodiment of the present invention, the coupling structure includes a first end and a second end. The first end of a coupling structure adapted to be pivotally coupled to the base body. The coupling structure is engaged with at least one of a first structural feature and a second structural feature defined on the base body. The coupling structure engages with the first structural feature in the first stable position and the coupling structure engages with the second structural feature in the second stable position of the coupling structure. This provide the foot with an ability to stay in the first stable position and the second stable position without power input and despite small external disturbances.
According to this second embodiment of the present invention, the front panel is coupled to the second end of the coupling structure. This allows free movement or actuation of the front panel by the common user.
According to an embodiment of the present invention, the first stable position corresponds to a first height of the pump base and the second stable position corresponds to a second height of the pump base. This may help in achieving the desired heights which are meant to suck/pump a large quantity of liquid in which the pump is submerged.
According to an embodiment of the present invention, the second height is greater than the second height. This may allow suction or pumping of liquid when the liquid level is relatively high.
According to an embodiment of the present invention, the first height and the second height are 1mm and 5mm respectively. This may allow the pump to force the liquid entry at both desired liquid heights.
According to an embodiment of the present invention, the front panel include at least one tab. This may allow the front panel to get engaged with the base body. According to an embodiment of the present invention, the base body is structurally integrated with the pump. This may prevent strength to the foot of the pump.
According to an embodiment of the present invention, the foot is removably coupled with the pump. This may allow assembly of the foot to the pump as per the applicational requirements of the common users.
According to an embodiment of the present invention, the first arm and the second arm are coupled by flexible hinges. As durability of the flexible hinges may allow repetitional movements of the foot. The flexible hinges may experience little friction when the first arm, the second arm, and the third arm are actuated. Further, the flexible hinges may typically result in a long service life. Moreover, an integration of the flexible hinges may eliminate the need of extra components.
According to an embodiment of the present invention, the first arm and the third arm are coupled by a snap connection. The snap connection may provide simple and cost -effective ways to assemble different parts of the foot.
According to an embodiment of the present invention, the base body includes one or more recesses/grooves. This may allow assembly of the foot to the on remainder part of the pump housing through the one or more recesses/grooves.
According to an embodiment of the present invention, the base body is engaged to the pump through the one or more recesses/grooves. This may connect the foot to the pump to form a single body.
According to an embodiment of the present invention, the foot for a pump having a pump housing may be manufactured using a three-dimensional (3-D) printing process. Further, the present disclosure provides a data file, corresponding pre- stored instructions that include a digital representation of the foot, and that when run in a processor controlling an operation of three-dimensional printer makes the three-dimensional printer manufacture the foot. Use of three- dimensional printing (alternatively, 3D printing) may provide versatility of using different materials along with lower lead-time in manufacturing and design of the foot. An embodiment of the present invention also concerns a pump having a pump housing and have the claimed foot associated with it.
Other features and aspects of this invention will be apparent from the following description and the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be described in more detail with reference to the enclosed drawings, wherein:
FIG. 1 illustrates a pump base with one or more feet, in accordance with an aspect of the present disclosure;
FIG. 2A illustrates a side view of the foot for the pump in a first stable position, in accordance with an aspect of the present disclosure;
FIG. 2B illustrates a front view of the foot for the pump in the first stable position, in accordance with an aspect of the present disclosure;
FIGS. 3A and 3B illustrate side and front views of the foot in a second stable position respectively, in accordance with an aspect of the present disclosure;
FIGS. 4A and 4B illustrate front and side views of another embodiment of the foot, in accordance with an aspect of the present disclosure;
FIGS. 5A and 5B illustrate front and side views of another embodiments of the foot in the first stable position, in accordance with another aspect of the present disclosure;
FIGS. 6A and 6B illustrate front and side views of another embodiments of the foot in the second stable position, in accordance with another aspect of the present disclosure;
FIG. 7 illustrates the pump base in the first stable position, in accordance with another aspect of the present disclosure; and
FIG. 8 illustrates the pump base in the second stable position, in accordance with another aspect of the present disclosure. DESCRIPTION OF EMBODIMENTS
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which example embodiments of the invention incorporating one or more aspects of the present invention are shown. This invention 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 invention to those skilled in the art. For example, one or more aspects of the present invention may be utilized in other embodiments and even other types of structures and/or methods. In the drawings, like numbers refer to like elements.
Certain terminology is used herein for convenience only and is not to be taken as a limitation on the invention. For example, "upper", "lower", "front", "rear", "side", "longitudinal", "lateral", "transverse", "upwards", "downwards", "forward", "backward", "sideward", "left," "right," "horizontal," "vertical," "upward", "inner", "outer", "inward", "outward", "top", "bottom", "higher", "above", "below", "central", "middle", "intermediate", "between", "end", "adjacent", "proximate", "near", "distal", "remote", "radial", "circumferential", or the like, merely describe the configuration 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 pump base 100 of a pump 150. The pump 150 is a mechanical device which pumps fluids such as liquids, gases, or sometimes slurries. The pump 150 may be used indoors or outdoors according to applicational needs of a common user. In the depicted example the pump 150 includes a handle 103 to lift or displace the pump 150. The body includes a water inlet 102 (not visible). The water inlet 102 is present at the bottom of the pump housing 105, that is at the bottom of its pump base 100 and allows a liquid to be sucked by the pump 150. Further, the pump 150 has an outlet 104. The outlet 104 discharges the liquid. The discharged liquid may be used to different applications such as irrigation, washing etc. FIG. 1 shows the pump 150 in its operational position that allows to suck water via its water inlet 102 (not visible) on the bottom of the pump housing 105 that find itself on the bottom of the pump 150 in its operational position. The pump housing 105 comprising a pump base 100 including one or more feet 106 or alternatively, foot 106. The one or more feet 106 are accessible during the normal operation of pump 150 from side of the pump housing 105. This allows to adjust desired heights of the pump 150 being in its operational position. The common user may need the pump 150 to get adjusted at different heights. The pump 150 at different heights may cater to different application requirements. Pushing and pulling of the foot (106) moves it between its first stable position and its second stable position. The pump base 100 may be an integral part of the pump housing 105 or may be assembled or disassembled with a pump housing 105 through one or more pump base connectors 132 connecting the pump base 100 to the remainder part of the pump housing 105.
In some embodiments, the one or more feet 106 may be manufactured by three-dimensional printing. In some embodiments, the present disclosure provides a data file, corresponding pre-stored instructions that include a digital representation of the foot 106, and that when run in a processor controlling an operation of three-dimensional printer makes the three-dimensional printer manufacture the foot 106. Use of three-dimensional printing (alternatively, 3D printing) may provide versatility of using different materials along with lower lead- time in manufacturing and design of the one or more feet 106.
In some embodiments, the one or more feet 106 may be made up of a material selected from steel, brass, stainless steel, aluminum or plastic. Nature of the material is chosen as per the requirements of the common user. The desired nature of the material provides the one or more feet 106 with certain characteristic features such as flexibility, elasticity, rigidity, heat or vibrations resistant properties.
FIG. 2A illustrates a side view of the foot 106 for the pump 150 in a first stable position. As from the point of clarity and consideration only one foot 106 is discussed in further figures. Another, one or more feet 106 may be similar or variant from the foot 106 described in the FIG. 2A. The foot 106 includes a base body 110. The foot 106 further includes a coupling structure 112. The coupling structure 112 is coupled to the base body 110. The base body 110 has a first end 116 and a second end 118. The coupling structure 112 allows the foot 106 to pivotally move between the first stable position and a second stable position (shown in FIGS. 3A and 3B respectively).
Moreover, the pump 150 further includes a front panel 114. The front panel 114 is actuated by a user to move the foot 106 between the first stable position and the second stable position. The front panel 114 includes a tab 120. The tab 120 allows an engagement (shown in FIGS.3A and 3B) and disengagement of the front panel 114 with the second end 118 of the base body 110. The foot 106 further includes a first arm 122, a second arm 124 and a third arm 126. The first arm 122 is coupled to the base body 110 at the first end 116. Further, the second arm 124 is coupled to the base body 110 at the second end 118. Moreover, the third arm 126 is positioned to actuate both the first arm 122 and the second arm 124. The first arm 122, the second arm 124 and the third arm 126 are cooperatively movable relative to each other between the first stable position and the second stable position.
As illustrated in FIG. 2A, the first arm 122 and the second arm 124 are coupled by one or more flexible hinges 128. As durability of the one or more flexible hinges 128 may allow repetitional movements of the foot 106. The one or more flexible hinges 128 may experience little friction when the first arm 122, the second arm 124, and the third arm 126 are actuated. Further, the one or more flexible hinges 128 may typically result in a long service life. An integration of the one or more living hinges 128 may eliminate the need of extra components. The first arm 122 and the third arm 126 are coupled by a snap connection 130. Moreover, the snap connection 130 may provide simple and cost-effective ways to assemble different parts of the foot 106.
FIG. 2B illustrates a front view of the foot 106 in the first stable position. The base body 110 is directly coupled to the pump 150. The foot 106 includes one or more recesses/grooves 132. This may connect the foot 106 to the pump 150 to form a single body. In some embodiments, the base body 110 is structurally integrated with the pump base 100. This may provide strength/ rigidity to the foot 106 of the pump 150. In some other embodiments, the foot 106 is removably coupled with the pump base 100. This may allow assembly or disassembly of the foot 106 with the pump base 100 as per the applicational requirements of the common users.
The base body 110 may engage with the pump base 100 through the one or more recesses/grooves 132. The base body 110 of the foot 106 may be engaged with the pump base 100 by both temporary and permanent means. The temporary connection may be done by gluing, screwing, tying with threads and the like. The permanent connection may be done by welding, riveting and any other fabrication technique which is used or known in the art. Alternatively, and additionally, the base body 110 and the pump base 100 may be connected by snap connections.
FIGS. 3A and 3B illustrate side and front views of the foot 106 in the second stable position respectively. The front panel 114 is adapted to actuate the third arm 126 to move against the first arm 122 and the second arm 124. This helps in engagement of the front panel 114 with the base body 110. The actuation of the front panel 114 engages the tab 120 with the second end 118 of the base body 110. The front panel 114 may engage with the base body 110 by pressing or pushing the front panel 114 towards the base body 110. The front panel 114 may be actuated by pressing a top portion 133 of the front panel 114. The front panel 114 may engage with the base body 110 manually or by using simple tools. The second stable position of the front panel 114 with the base body 110 increases height of the pump 150 (shown in FIG. 8).
In some embodiments, the front panel 114 may be provided by some grooves. The grooves may help to actuate the front panel 114. The user may actuate the front panel 114 by inserting fingers into the grooves or by using some simple tool to actuate the front panel 114.
In some embodiments, the tab 120 may be made up of any material selected from one or more of a plastic, steel, nylon, rubber etc. The tab 120 may provide support to the front panel 114 to stay engaged with the second end 118 of the base body 110. In some embodiments, the second end 118 of the base body 110 may have some protrusions which may lock or engage with grooves present on the front panel 114. This arrangement may also provide firmness to the second stable position. Alternatively, or additionally, some designed structures may be present on the front panel 114. The designed structures may get engaged with complementary designed structures present on the second end 118 of the base body 110.
FIGS. 4A and 4B illustrate front and side views of another embodiment of the present invention. The foot 106 includes a coupling structure 134. The coupling structure 134 includes a first end 136 and a second end 138. The coupling structure 134 further includes a first portion 140 towards the first end 136 of the coupling structure 134. Moreover, the coupling structure 134 includes a second portion 142 towards the second end 138 of coupling structure 134. The first end 136 of the coupling structure 134 is adapted to be pivotally coupled to the base body 110. The base body 110 of the foot 106 includes a first structural feature 144. Further, the base body 110 of the foot 106 includes a second structural feature 146. The coupling structure 134 engages with the first structural feature 144 in the first stable position and the coupling structure 134 engages with the second structural feature 146 in the second stable position. The base body 110 further includes a slanting portion 148. The coupling structure 134 engages at least one of the first structural feature 144 and the second structural feature 146 of the base body 110.
In some embodiments, the coupling structure 134 and the slanting portion 148 may be made up of three-dimensional printing. Use of three-dimensional printing (alternatively, 3D printing) may provide versatility of using different materials along with lower lead-time in manufacturing and design of the coupling structure 134 and the slanting portion 148. In some embodiments, the coupling structure 134 and the slanting portion 148 may be made up of a material selected from steel, brass, stainless steel, aluminum or plastic and the like.
FIGS. 5A and FIG. 5B illustrate front and side views of the foot 106 in the first stable position. The coupling structure 134 is engaged with the first structural feature 144 of the base body 110. The coupling structure 134 engages with the first structural feature 144 in the first stable position. The first end 136 of the coupling structure 134 may act as pivot for the engagement or disengagement of the front panel 114 with the first structural feature 144 and the second structural feature 146 (shown in FIG. 6A and 6B). The engagement of the front panel 114 with the first structural feature 144 and the second structural feature 146 may be done manually or by using some basic techniques used or known in the art.
FIGS. 6A and 6B illustrate front and side views of the foot 106 in the second stable position. The coupling structure 134 is engaged with the second structural feature 146. The coupling structure 134 engages with the second structural feature 146 in the second stable position. The slanting portion 148 may provide support to the second portion 142 of the coupling structure 134 to stay engaged in the second stable position. The top portion 133 of the front panel 114 along with the tab 120 help to engage the front panel 114 with the second structural feature 146 of the base body 110. On actuating the front panel 114, the front panel 114 may engage with the first structural feature 144 and the second structural feature 146 as per the requirements.
In some embodiments, a control unit may be present to control different movements of the front panel 114. An increase or decrease in water level may be sensed by sensors present over the pump 150. The sensors may actuate the front panel 114 to move between the first stable position and the second stable position. On an increase in liquid level, the pump 150 may attain second stable position. Similarly, on lowering of liquid level, the pump 150 may attain the first stable position.
FIG. 7 illustrates the pump base 100 in the first stable position. The first stable position is attained by the pump 150, whenever the liquid level is quite low. The first stable position corresponds to a first height of the pump base 100. In an embodiment, the first height is 1mm. The first height of the pump 150 may help in sucking or pumping of water, even when the water level is quite low. FIGS. 2A, 2B and 5A, 5B corresponds to FIG. 7. The movement of the front panel 114 between the first stable position and the second stable position may eliminate need of external resources to lift or drop the pump 150. The front panel 114 may stay only in the first stable position and the second stable position. The front panel 114 may not stay in any intermediate position between the first stable position and the second stable position. Therefore, the front panel 114 may follow a bi- stabile mechanism. This may provide stability to the front panel 114 to stay in the first stable position and the second stable position without much power input and despite small external disturbances.
FIG. 8 illustrates the pump base 100 in the second stable position. The second stable position is attained by the pump 150, whenever the liquid level is quite high. With the feet of the pump in this second stable position that particles of a size by 5 mm can pass the pump. The second stable position corresponds to a second height of the pump base 100. In an embodiment, the second height is 5mm. The second height of the pump 150 may help in sucking or pumping of water, even when the water level is quite high. FIGS. 3A, 3B and 6A, 6B corresponds to FIG. 8. The second height is greater than the first height. The first height and the second height may allow the pump 150 to force the liquid entry at both desired liquid heights.
The present disclosure provides a method of actuating the foot 106 of the pump 150. The method provides the coupling structure 112 and includes the steps of providing the first arm 122 adapted to be coupled to the base body 110 at the first end 116. The method also includes providing the second arm 124 adapted to be coupled to the base body 110 at the second end 118. The method further includes proving the third arm 126 positioned to actuate both the first arm 122 and the second arm 124. The first arm 122, the second arm 124 and the third arm 126 are cooperatively movable relative to each other between the first stable position and the second stable position, such that the front panel 114 is adapted to actuate the third arm 126 to move against the first arm 122 and the second arm 124.
The present disclosure provides the pump 150 having the pump housing 105 and the foot 106. The foot 106 includes the base body 110. The foot 106 includes the coupling structure 112, 134 coupled to the base body 110. The coupling structure 112, 134 includes the front panel 114. The front panel 114 is configured to remain in the first stable position and the second stable position in respect to the base body 110. The front panel 114 is accessible during the operational position of the pump 150 from the side of its pump housing 105. The base body 110 rests on the foot 106 in the first stable position and the second stable position. And, pushing and pulling (or actuation, or engagement) of the foot 106 keeps it between the first stable position and the second stable position.
In the drawings and specification, there have been disclosed preferred embodiments and examples of the invention and, although specific terms are employed, they are used in a generic and descriptive sense only and not for the purpose of limitation of the scope of the invention being set forth in the following claims.
LIST OF ELEMENTS
100 Pump Base
102 Water Inlet
103 Handle
104 Outlet
105 Pump Housing
106 Foot/ One or more feet
110 Base Body
112 Coupling Structure
114 Front Panel
116 First end
118 Second end
120 Tab
122 First Arm
124 Second Arm
126 Third Arm
128 One or more flexible hinges
130 Snap Connection
132 Pump Base Connectors
133 Top Portion
134 Coupling structure
136 First End
138 Second End
140 First Portion
142 Second Portion
144 First structural feature Second structural feature Slanting Portion Pump

Claims

1. A pump (150) having a pump housing (105) and a foot (106), the foot (106) comprising: a base body (110); a coupling structure (112, 134) coupled to the base body (110), the coupling structure (112, 134) comprises a front panel (114), wherein the front panel (114) is configured to remain in a first stable position and a second stable position in respect to the base body (110); the front panel (114) is accessible during the operational position of the pump (150) from the side of its pump housing (105); characterized in that: the base body (110) rests on the foot (106) in the first stable position and the second stable position, and wherein pushing and pulling of the foot (106) keeps it between the first stable position and the second stable position.
2. A method of actuating the foot (106) of the pump (150) of claim 1, wherein the method provides the coupling structure (112) and includes the steps of: providing a first arm (122) adapted to be coupled to the base body (110) at a first end (116); providing a second arm (124) adapted to be coupled to the base body (110) at a second end (118); and proving a third arm (126) positioned to actuate both the first arm (122) and the second arm (124); wherein the first arm (122), the second arm (124) and the third arm (126) are cooperatively movable relative to each other between the first stable position and the second stable position, such that the front panel (114) is adapted to actuate the third arm (126) to move against the first arm (122) and the second arm
(124).
3. The foot (106) of the pump (150) of claim 1, wherein the coupling structure (134) includes: a first end (136) of the coupling structure (134) adapted to be pivotally coupled to the base body (110); the coupling structure (134) adapted to engage at least one of a first structural feature (144) and a second structural feature (146) defined on the base body (110); wherein the coupling structure (134) engages with the first structural feature (144) in the first stable position and the coupling structure (134) engages with the second structural feature (146) in the second stable position.
4. The foot (106) of the pump (150) of claim 3, wherein the front panel (114) is coupled to a second end (138) of the coupling structure (134).
5. The foot (106) of the pump (150) of any of preceding claims, wherein the coupling structure (112, 134) is operatively coupled to the base body (110).
6. The foot (106) of the pump (150) of any of preceding claims, wherein the first stable position corresponds to a first height of the pump base (100) and the second stable position corresponds to a second height of the pump base (100), wherein the second height is greater than the first height.
7. The foot (106) of the pump (150) of any of preceding claims, wherein the front panel (114) include at least one tab (120).
8. The foot (106) of the pump (150) of any of preceding claims, wherein the base body (110) is structurally integrated with the pump (150).
9. The foot (106) of the pump (150) of any of preceding claims, wherein the foot (106) is removably coupled with the pump (150).
10. The foot (106) of the pump (150) of any of claim 2, wherein the first arm (122) and the second arm (124) are coupled by flexible hinges.
11. The foot (106) of the pump (150) of any of preceding claims, wherein the base body (110) is engaged to the remainder part of the pump housing (105) through a one or more recesses/grooves (132).
12. A foot (106) of the pump (150) of any of the claims 1-11, characterized in that, the foot (106) is manufactured using a three-dimensional (3-D) printing process.
13. The foot (106) of the pump (150) of claim 12, characterized in that, a data file, corresponding pre-stored instructions that include a digital representation of the foot (106) of claim 12, and that when run in a processor controlling an operation of three-dimensional printer makes the three-dimensional printer manufacture the foot (106) of claim 12.
14. A pump (150) having a pump housing (105) as well as a foot (106) of any of the claims 1 to 13.
EP21700198.1A 2020-03-02 2021-01-08 Pump comprising a plurality of feet Active EP4115087B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20160316.4A EP3875767A1 (en) 2020-03-02 2020-03-02 Foot for a pump
PCT/EP2021/050238 WO2021175501A1 (en) 2020-03-02 2021-01-08 Foot for a pump

Publications (2)

Publication Number Publication Date
EP4115087A1 true EP4115087A1 (en) 2023-01-11
EP4115087B1 EP4115087B1 (en) 2024-09-25

Family

ID=69743083

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20160316.4A Withdrawn EP3875767A1 (en) 2020-03-02 2020-03-02 Foot for a pump
EP21700198.1A Active EP4115087B1 (en) 2020-03-02 2021-01-08 Pump comprising a plurality of feet

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20160316.4A Withdrawn EP3875767A1 (en) 2020-03-02 2020-03-02 Foot for a pump

Country Status (3)

Country Link
EP (2) EP3875767A1 (en)
CN (1) CN115210471B (en)
WO (1) WO2021175501A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6215081B1 (en) 1998-08-31 2001-04-10 Brigham Young University Bistable compliant mechanism
DE10044966B4 (en) * 2000-09-11 2004-07-15 Gardena Manufacturing Gmbh submersible pump
DE102006016981A1 (en) * 2006-04-06 2007-10-11 Alfred Kärcher Gmbh & Co. Kg submersible pump
CN201568282U (en) 2009-09-15 2010-09-01 宁波君禾泵业有限公司 Two-purpose water pump base
US8402711B2 (en) * 2010-07-16 2013-03-26 University Of South Florida Multistable shape-shifting surfaces
CN103206386B (en) * 2013-04-08 2015-04-08 苏州沃达园林机械有限公司 Vertically pluggable submersible pump
WO2016008510A1 (en) * 2014-07-15 2016-01-21 Alfred Kärcher Gmbh & Co. Kg Immersion pump
US20160161051A1 (en) * 2014-12-05 2016-06-09 Roberto SALIN System with extendable retractable telescopic elements depending on a lifting mechanism, lockable and unlockable mechanically and automatically
CN104595200A (en) * 2014-12-31 2015-05-06 东莞市汉龙礼品有限公司 Water pump
CN108443170A (en) * 2018-05-31 2018-08-24 泉州黄章智能科技有限公司 A kind of removable Liftable type intelligence suction pump of flatbed

Also Published As

Publication number Publication date
CN115210471A (en) 2022-10-18
CN115210471B (en) 2025-04-18
EP3875767A1 (en) 2021-09-08
EP4115087B1 (en) 2024-09-25
WO2021175501A1 (en) 2021-09-10

Similar Documents

Publication Publication Date Title
CN209300819U (en) Cooking apparatus
CN102462442B (en) Vacuum cleaner
CN112020320A (en) nozzle for cleaner
KR101863438B1 (en) Furniture apparatus having height adjusting function
EP4115087B1 (en) Pump comprising a plurality of feet
CN106765797A (en) a humidifier
EP4115086B1 (en) Pump comprising a foot with flexible hinges
CN113167267B (en) fluid pump
CN110123133A (en) Lid assembly and pressure cooker
CN209147415U (en) A kind of fixation device, air conditioner for air conditioner
CN209341557U (en) A kind of fixation device, air conditioner for air conditioner
CN109044103A (en) A kind of water dispenser being convenient for changing bucket
CN217723308U (en) Bottom cover structure for cook machine and cook machine
WO2010142135A1 (en) Portable water closet bracket
CN209147417U (en) A kind of fixation device, air conditioner for air conditioner
CN220540628U (en) Base structure for cleaning machine and cleaning machine
CN208957359U (en) An electric lifting device for tatami lifting platform
CN215802044U (en) Novel basin under platform
CN110652204A (en) Water dispenser
CN217013847U (en) Cleaning assembly of cleaning robot and cleaning robot with cleaning assembly
CN222615541U (en) Diaphragm pump
CN206582133U (en) Deep well pump
KR102789566B1 (en) Smart Variable sink
CN222604478U (en) Cleaning liquid filling device
CN215583926U (en) Automatic cook machine that rises and falls

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220617

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

INTG Intention to grant announced

Effective date: 20240717

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

P01 Opt-out of the competence of the unified patent court (upc) registered

Free format text: CASE NUMBER: APP_44168/2024

Effective date: 20240730

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602021019278

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241225

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241226

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241225

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241225

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241225

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241226

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1726835

Country of ref document: AT

Kind code of ref document: T

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250125

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250127

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602021019278

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20250626

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20250108

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20250108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20250108

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20250131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20250131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20250131

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20250131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20250108

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20251209

Year of fee payment: 6