Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
  • B60R3/02—Retractable steps or ladders, e.g. movable under shock
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
  • A47J31/00—Apparatus for making beverages
  • A47J31/44—Parts or details or accessories of beverage-making apparatus
  • A47J31/60—Cleaning devices
  • A47J31/605—Water filters
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F1/00—Treatment of water, waste water, or sewage
  • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
  • C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F9/00—Multistage treatment of water, waste water or sewage
  • C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F1/00—Treatment of water, waste water, or sewage
  • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F1/00—Treatment of water, waste water, or sewage
  • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F1/00—Treatment of water, waste water, or sewage
  • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
  • C02F1/685—Devices for dosing the additives
  • C02F1/688—Devices in which the water progressively dissolves a solid compound
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F2201/00—Apparatus for treatment of water, waste water or sewage
  • C02F2201/002—Construction details of the apparatus
  • C02F2201/006—Cartridges
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F2301/00—General aspects of water treatment
  • C02F2301/04—Flow arrangements
  • C02F2301/043—Treatment of partial or bypass streams
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F2301/00—General aspects of water treatment
  • C02F2301/06—Pressure conditions
  • C02F2301/063—Underpressure, vacuum
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Definitions

• the present invention relates to a
• Water filter device with actuator for setting a blend ratio and a water tank which is provided for receiving the filter device, a device with water tank and a filter device according to claims 1, 38, 39 and 40th
• Filter devices for the treatment of a liquid with a blending device for the addition of non-processed or otherwise treated liquid to the treated in the filter section liquid have long been known, sometimes with a possibility for adjusting the blending device.
• the liquid is chemically and / or physically treated, for example water is softened, decarbonated, demineralized or the like.
• filter devices essentially two types have been established.
• these are line-bound, pressurized filter systems, for example so-called “filter candles”, which can be integrated into the supply line of a water tapping point or water tapping device, preferably as an exchange unit.
• filter candles so-called "filter candles”
• filter cartridges in addition to these filter cartridges so-called “filter cartridges” have proved useful as line-bound filter devices, usually in conjunction with a corresponding water tank.
• the above-mentioned blending devices are provided for setting a water quality predetermined for the respective application in order to produce a mixture of a water treated via a filter section with water which is not conducted or passed through a further filter section.
• Such systems are used, for example, in drinking water treatment in private households as a centralized or decentralized installation, for the supply of tapping points, especially for the supply of modern kitchen appliances (water taps and ice makers in modern refrigerators or coffee machines) and beyond in the commercial area for feeding from vending machines for the preparation of coffee, steam, hot or cold water for the purpose of flavor optimization of the processed or prepared drinks and food and to protect the machines from water-related technical problems.
• Veritesinraumen be set at the beginning of commissioning by means of an actuator for controlling a liquid flow to a predetermined mixing ratio, which determined from the known or determined by a rapid test mineral content or hardness content of the input water and required for the application Filtratwasser quality becomes.
• the efficiency of the various treatment stages is continuously exhausted depending on the amount of water already passed through the treatment line and the raw water quality, so that the produced water quality changes continuously depending on the course of exhaustion of the treatment line in a fixed by means of an actuator for controlling a liquid flow ratio.
• the present invention has for its object to improve a water filter device of the type set forth.
• a water tank for accommodating such a filter device is described by the independent claim 38, a device for accommodating such a tank by the claim 39 and a filter device with a filter head for inserting such a filter by the claim 40th
• the present invention relates to a first aspect of a water filter device according to the preamble of claim 1, which is characterized in that an adjusting medium is provided, the volume and / or its structure by a pending on the actuator and / or by a by the actuator flowed through liquid changed.
• the fluid flow to be controlled by a control member constructed in this way can be specifically influenced in its flow behavior, tailored to specific requirements. That's the way it is - A -
• a so-called wash-out effect caused by the liquid in question can be used to produce a passage or a so-called additive effect for producing a shut-off for the liquid flow to be controlled.
• a corresponding control of the actuator is possible, possibly also in combination with the above-mentioned, flow-dependent influencing of the actuator.
• a liquid-soluble actuating medium is regarded as being particularly advantageous.
• a previously sealed passageway for the liquid in question can be opened completely application-specific with a cross-sectional enlargement that depends on the operating time on the basis of one or possibly also several parameters for the flow.
• Possible applications would be, for example, a bypass control, switching to an additional or further flow path and the like.
• the same possibilities of influence apply, for example, to a direct control by means of a shrinkable actuating medium.
• a reduction of the effective flow cross-section of a corresponding actuator for controlling a liquid flow would be possible by direct control, possibly up to complete closure of the passage.
• the blocking of a specific fluid line as a function of one or more parameters would be conceivable.
• This drinking water stream can be provided for example in a drinking water supply, in a drinking water treatment and / or supply system, in a drinking water and / or consuming device and the like.
• control media which are e.g. are suitable as a health-promoting dietary supplement and / or as a drinking water additive, such as for vitamin C, siliphosphate, phosphate combinations, polyphosphate or the like.
• powder, granules, crystal or pellets may be provided as adjusting medium
• the very specific transmission properties can be used to influence the liquid flow.
• the adjusting medium for example, have different spatial geometric structures that influence the flow characteristic of the liquid stream in question.
• the originally complete closure effect can begin with a light one Leakage can be selectively influenced depending on the application with a slow or, if necessary, rapidly increasing cross-sectional enlargement effect for controlling the liquid flow.
• closure means e.g. originally in a soluble medium bound, non-soluble material in the form of granules, possibly in combination with a sieve, or a sufficiently large ball suitable, which clog after their flushing the originally open flow area of the actuator, but at least reduce significantly.
• modifiers based on starch, pectin, or other polymers could be suitable for use under the influence of enzymes and / or water ingredients, e.g. Minerals or hydrogen ions that are introduced through the feedwater or through the filter to react and change their consistency, dissolve, shrink, expand, gel and the like.
• driving means as adjusting medium
• driving means such as the use of sodium bicarbonate, which by contact with water in interaction with water constituents, in particular hydrogen ions, which are introduced or released by the feed water or the filter, and by Gas formation is expanding.
• This reaction could, among other things, the amount of hydrogen ions - which, for example, due to the water hardness in the feed water be released proportionally by a decarbonation resin.
• this reaction could also be used for the initialization of a filter after contact with water.
• control media may also be combined, e.g. to realize a very specific curve for opening, closing and / or switching an actuator equipped with it.
• a body formed from the adjusting medium itself could form the closing element.
• a resolving, shrinking or in its structure under the action of the liquid becoming permeable adjusting medium could thus act as an opener.
• a swelling or its structure with respect to the permeability deteriorating actuator could serve as a closer.
• the adjusting medium could also be provided for actuating an additional, preferably the opposite switching function realized closing element and / or an opening element. This would be the simultaneous control of two or more liquid streams, in particular with changing flow function (opening to close or vice versa), ie a changer possible.
• the aforementioned embodiments can thus serve as a completely autonomous unlocking and / or closure element for a liquid, in particular for a water supply.
• a first possible application example would be the control of a liquid flow in one
• Water supply and / or treatment plant in particular in a e.g. designed as a removable element filter.
• the effect of the actuating medium which preferably corresponds to the state of exhaustion of the filter medium, controls the actuator.
• at least the exhausted adjusting medium, but possibly also the additional closing and / or opening element can be removed together with a filter designed as an exchangeable filter and replaced by a new one.
• control element can even serve as an indication of the state of exhaustion of the filter or of the actuating medium, e.g. by increasingly interrupting the outlet for the liquid flow depending on exhaustion.
• the actuating element would be designed as a closing element for this purpose. Possibly. this could also be done using a corresponding suitable return element.
• An optical exhaustion display is also possible, e.g. by adjusting a corresponding signal means, such as slider, rotary member, flap or the like signaling elements more.
• a display and / or protective element would be the use of such an actuator in the inlet area of a consumer.
• a shower or a faucet could be protected from calcification by the fact that the exhaustion of a decarbonizer installed for this purpose by closing the corresponding line is displayed.
• the liquid flow can be influenced autonomously in the interior of the filter device in a particularly advantageous manner, very specifically depending on predeterminable parameters.
• the relevant parameters can reflect the state of exhaustion of individual or several filter elements indirectly or possibly also directly and accordingly influence the liquid flow in the filter interior.
• Two particularly preferred positions for the arrangement of the actuator in the filter device and / or a bypass section are the inlet and / or the outlet of the entire filter device or the inlet and / or the outlet of a certain filter section.
• This liquid may e.g. the liquid to be filtered, a partial flow of this liquid to be filtered, the filtered liquid or a partial flow thereof, or else an otherwise treated or another liquid.
• the filter device comprises a blending device for admixing liquid that has not been treated or otherwise processed for the liquid prepared in the filter section, preferably an adjustment of the blending ratio Blending device is provided by means of actuated by the liquid flowed actuator.
• an actuator can also be provided, which is designed such that, at least during an initialization process of the water filter device and / or following such an initialization process, the quality of the water to be filtered and / or the requirement sets the respective consumer dependent initial blend ratio, in particular even with a constant over the life of the filter Veritesteil.
• the cutting devices are usually preset or are set manually at the beginning of commissioning to a predetermined mixing ratio, which determined from the known or determined by a rapid test mineral content or hardness content of the input water and required for the application Filtratwasser quality becomes.
• the described embodiment has the advantage that they are designed precisely to the prevailing local quality conditions of the water to be treated at the beginning of their intended Operation can be adjusted optimally adjusted so that both too strong and too weak an effect of the water treatment substances can be avoided.
• This has an advantageous effect on the life of the hereby optionally operated equipment, as well as the result of the treated with the treated water production and / or processing and allows the optimal utilization of the available filter capacity.
• a beverage prepared thereby such as coffee, tea or the like called hot drinks.
• an optimally adjusted water quality can definitely have a positive effect on the taste and / or a dissolving property of a beverage additive.
• An example of an application would be the optimization of the effectiveness of a detergent which is e.g. may be present at a certain water hardness and / or a certain concentration of another water ingredient.
• a tracking of the blend ratio during operation of the water filter device may advantageously effect a water quality adjusted, in particular, over the substantial period of operation of the water filter device. This can be achieved particularly advantageously in conjunction with the above-described embodiment of an initial setting of the water cut ratio as a function of the locally prevailing water quality.
• Water filter device can be achieved by the provision of at least one further, but in particular even more actuators for influencing a corresponding water flow and / or partial water flow in the filter section, in a filter section and / or in a bypass section and / or a Bypassteilrange.
• independent actuators may be provided in each case, e.g. to train the individual actuators exactly to their intended functions and / or to be able to provide them with special actuating media.
• a very fine tuning can be effected. In particular, this makes it possible to take into account the non-linear exhaustion behavior of the water treatment or filter medium by corresponding increase or reduction of the ratio of the mixture at the beginning or at the end of the operating time of the agent concerned.
• a parallel arrangement of actuators could, for example, an enlarged bypass cross-section at the beginning of an operating phase of the water treatment or filter material to compensate for in this phase of operation comparatively high Serve filter effect. After reaching a comparatively linear curve section, a bypass section could be closed. In particular, this is advantageously adapted in its cross section corresponding to the exhaustion behavior of the treatment medium.
• a parallel arrangement of actuators for the bypass section for the end of the operating time of the water treatment means could be provided so that closes a (possibly further) bypass section after a certain state of exhaustion of the treatment medium and so the effective bypass cross section corresponding to the exhaustion of the entire filter section or possibly even only to a specific section of such a filter section (possibly further) adapts.
• a series connection of such actuators could be advantageous, for example, for the combination of a basic setting of the effective Veritesqueriteses or the mixture ratio set thereby and one or more during the operating time of the water treatment or filter material, the cross section of each effective bypass section adapting further actuator.
• any type of filter can be equipped with a waste device.
• the filter device associated actuator can hereby achieved in an advantageous manner even over the essential period of operation of the filter device sufficiently constant filter quality for the liquid flowing through the filter. This can be done as a function of the flow rate and / or as a function of a physical and / or chemical property of the liquid flowing through and / or as a function of the loading state of an ion exchanger according to the above statements on the actuator by opening and / or closing one or more supply and / or Control lines done by means of such an actuator.
• the use of physical and / or chemical properties of the liquid flowing through the filter device is also conceivable for both influencing possibilities (closing / opening) of the mixing ratio of the mixing device set out above.
• the adjustment of the blend ratio can be done, for example, such that after activation of the filter device, which may comprise both a line-bound, introduced in a vessel or a tank filter cartridge, as well as a wire-bound filter candle, initially a larger amount of not to be filtered by the actual filter material Liquid, in relation to the filtered through the filter material liquid, filter output side is provided.
• this Verschneidejon may increase in favor of the passing through the filter material liquid.
• variable volume actuating medium is considered for adjusting the actuator. This could be e.g. in turn, with decreasing volume of the actuating medium, a concomitant reduction of an active flow cross-section for the supplied for example by a bypass line, not passed through the filter material liquid done.
• a Reduction of the effective flow area for the non-filtered over the filter material fluid can be achieved, for example by a compressed flow or a sponge.
• the actuator may form a control valve, a switching valve or a reversing and / or switching valve to allow a very specific influence on the liquid flow.
• the filter device in addition to the above-described influence on the inlet or on the drain, one or more waste sections and / or bypass sections in the filter device can be controlled.
• the advantage of switching or reversing functions of such an actuator with respect to a filter device is that over the entire operating period of the filter device in her a constant flow resistance for the liquid stream to be passed can be ensured. This in turn has a particularly stabilizing effect on the quality of the liquid stream to be filtered due to the constant internal pressure conditions in the filter.
• waste stream can be adjusted, which possibly also a
• Processing section can be supplied.
• a filter section for the waste section may for example be a specially designed treatment and / or filter section, but it may well also be part of the filter provided for the mainstream to be filtered, e.g. the Dekkarbonmaschinesabêt in which then both streams can be reunited.
• Cumulative flow ratio of waste to filter flow may be a reduction of the total sweep Liquid flow can be avoided.
• a particularly advantageous application would be, for example, a water filter.
• a control medium dissolving through the liquid flowing through could be used, e.g. in the form of a powder, in the form of tablets, pressings, balls or the like.
• control of the blending ratio is dictated by a predominantly uniform displacement, e.g. with the use of a powder, up to a possibly abrupt adjustment property possible, as might be the case for example with a positioning medium, which is able to maintain its basic structure substantially until its complete dissolution.
• This may be e.g. to act as a means, which dissolves relatively uniformly in its interior, but only at the end of its dissolution process loses its basic structure, such as a chitin complex.
• Catching ratio over the operating life of the filter used can also be achieved by a combination of two or more such differently dissolving, shrinking or expanding actuating media.
• different phases in the waste modification due to different solution behavior and / or shrinkages and / or expansions of the individual control media can be achieved.
• Filtering devices are operable to filter the liquids for daily needs, especially water.
• the suitability of the adjusting medium as a health-promoting dietary supplement or water additive also opens here an optionally even specifically adjustable nutrient supply with respect to the basic daily needs of the so filtered liquid consuming people, animals or plants.
• a health-promoting dietary supplement or water additive such as a vitamin C powder, polyphosphate, limestone and dolomite rock, optionally iodine or the like.
• the use of flavors, food ingredients and other flavor or odor control substances could be used as a control medium and open a targeted treatment of the feedwater to a drink.
• Blend ratio of the blending device could be additionally increased e.g. take place under a certain bias of the actuator or an element of the actuator. Depending on the change in volume of the actuating medium, dissolution or swelling state, such a bias of the actuator or its element may change. It is considered to be particularly advantageous if the actuator comprises an additional return element, in particular to support the thus provided Verismeauerkontrolle.
• a restoring element can be designed as an agent which has properties that are independent of the liquid flowing through it, and / or on the other hand as an agent which has at least partially dependent properties.
• An independent of the flowing liquid in its restoring property element could for example be a spring, an elastomer, or the like.
• a restoring element which is dependent on the liquid flowing through it in its return property could be, for example, a swellable agent, for example a compressed flow or optionally also a compressed sponge, swelling resin, ion exchange resin or the like.
• the return element is also provided for closing the waste device.
• the closing of the waste section can be done for example by the interaction of two complementary closing elements.
• one possible embodiment would be coaxial engagement of two e.g. tubular elements, so that a previously possible fluid flow in the direction of a filter outlet is thereby increasingly reduced to complete closure during the service life of the filter.
• the fluid-sensitive adjusting medium described above can be used to open the blending device against the restoring force of such a restoring element.
• an additional control function for influencing the blend ratio of the waste device can be achieved.
• the setting of the blend ratio a continuous or even an optionally threshold-dependent influencing of the
• Enable blend ratio For a continuous adjustment, for example spring elements, elastomers or the like are suitable.
• For threshold value-dependent, in particular abruptly changing, influences on the blend ratio for example, means or elements with resistance values that change abruptly over the adjustment path, such as, for example, are suitable. a plurality of spaced apart locking points exhibiting locking element.
• the filter is designed as a water filter.
• a water filter may e.g. having an open inlet into the filter housing.
• Such an embodiment of an inlet is suitable e.g. for the use of tank solutions for storing a certain amount of water to be filtered.
• suction means e.g. be connected in the form of vacuum generating suction pumps for the supply of a sampling point of filtered water.
• the filter would be a so-called suction filter.
• Such suction means can be integrated into all possible water-processing and / or water-consuming household appliances or commercially used appliances.
• Appliances used in the household and / or also for commercial purposes such as beverage vending machines, in particular coffee machines, drinking water dispensers, cooking and baking appliances, steam appliances, in particular steam irons, steam cleaners, high-pressure cleaners, air cleaners and conditioners or the like.
• the Filter housing also be closed and provided with connecting elements.
• This is a so-called line-bound filter system, in particular a so-called "candle solution”.
• Blending device here is preferably also integrated into the filter cartridge and could be easily and easily exchanged together with the exhausted candle.
• Another advantage of this embodiment would be, for example, that the consumer during the ongoing filtration process in this case does not have to worry about any adjustment or change of the actuator for setting the blend ratio. Yet another advantage would be that no improper manipulations can be made.
• a filter device could be, for example, a gravimetric filter device. Such is characterized by the fact that the liquid flow, in particular a water flow, is forced through the filter due to the liquid level above the filter.
• Exemplary embodiments are table filter devices with two separate water reservoirs, a first for receiving the water to be filtered, and a second for the landfill of the filtered water.
• Such filters may in principle be equipped with an actuator and / or a cutting device and / or a fatigue indicator according to the above explanations.
• the actuator is designed as an additional element, for example in the form of a plug-on or insertion member.
• the actuator as a long-term effective organ for the waste control of a larger number of filter replacement candles up to his own exhaustion can act.
• a possible advantage here would be a reduced need for corresponding actuators.
• a stepped or step-shaped control of the influence of the effective bypass could be used here and also for the aforementioned embodiments.
• Flow cross-section can be provided. This should always begin when using a new filter cartridge with full flow cross-section and end this until possibly complete closure after its consumption reducing.
• a new filter change element can then be done with appropriate means again a release of a correspondingly large, effective cross section for the bypass line.
• segments-shaped sections of the actuator are conceivable for this purpose, for example, by a corresponding change in position in the relative relationship between the actuator and the filter cartridge to be used to allow the flow of the coming of the bypass line fluid through a not yet consuming area of the actuator.
• Blending device can also be provided by the use of different actuating media, in particular by a combination of one or more such control media.
• various adjustment characteristics can be realized, for example, for different applications and / or for use for filtering, for example, depending on the location depending on the content concentration of different liquids, such as the mineral content or the hardness of a water to be filtered, are suitable.
• devices intended for use for food processing such as beverage machines or the like, and devices not intended for the preparation of food, such as cleaning devices.
• the present invention also relates to a water tank with a filter cartridge designed according to the above explanations, which is intended in particular for use with one of the abovementioned water-treatment and / or water-processing household and / or commercially used appliances.
• the present invention also includes a corresponding device which is provided or suitable for supply from such a water tank and / or by a line-connected connection in accordance with the above description.
• a corresponding device which is provided or suitable for supply from such a water tank and / or by a line-connected connection in accordance with the above description.
• a filter device with filter head and / or filter housing for inserting a filter cartridge according to the embodiments set forth above by way of example is intended to be encompassed by the invention.
• FIGS. 1 to 4 show, by way of example, a schematic sectional illustration of four different embodiments or switching states of an actuator for controlling a liquid flow.
• FIG. 5 shows a filter device with an actuator integrated therein for controlling a fluid flow
• FIGS. 6 and 7 show two detailed views of the actuator according to FIG. 5 in different control positions
• FIGS. 8 and 9 show a further filter device with an integrated actuator for controlling a fluid flow in different control states
• FIG. 10 shows a detailed detail from FIG. 8 for better clarification of the actuator shown therein for controlling a fluid flow
• FIG. 11 a water-dispensing or consuming device with a tank, a filter and an actuator
• Figure 12 is a fatigue display.
• Figure 1 shows an example of a schematic sectional view of an actuator 1 for controlling a liquid flow 7 with a housing 2, an inlet 3 and an outlet 4.
• a control medium 5 is provided, the volume and / or structure is changed by the flowed through the actuator fluid 6, in particular in dependence on the amount of past the adjusting medium 5 and / or through the adjusting medium 5 liquid 6.
• Such a change may also be dependent on a physically and / or be chemical property of the liquid 6 through.
• the adjusting medium 5 is liquid-soluble and forms a ring 8 on the inner circumference of the housing 2.
• the housing could be formed approximately cylindrical, so that the ring 8 has a corresponding pipe section-shaped structure or defined.
• the ring 8 is supported with its lower end face 11 on the outlet-side bottom 9 in the interior of the housing 2.
• On its upper end face 12 is an actuating element 10 in the form of a provided with passages 13 valve plate 10.
• a system 15 for the ring 8 opposite side of the actuating element 10 is provided.
• This can be formed, for example, as projecting into the interior of the housing 2, all-round or possibly also interrupted shoulder on which the valve disk 10 can rest.
• the actuator 1 thus all the elements described above are firmly fixed in the interior of the housing 2.
• the supporting structure of the ring 8 formed therefrom is weakened until the force influence prevailing by the inflow-side overpressure in the liquid flow the actuator 10 in the direction of the outlet. 4 can shift to the point of complete closure.
• the increased flow resistance for the liquid flow 7 results from the volume reduction between the actuating element 10 and the outlet 4 caused by displacement of the actuating element 10. This in turn makes it possible to reduce the liquid flow 7 as possibly desired fatigue indication for the actuating medium 5.
• a further outlet 17 is additionally shown in FIG. 1 by way of example and schematically by the exhaust lines shown by dashed lines.
• This second outlet 17 is released after overcoming the additional ring 16 formed by the retaining forces for the actuator 10. This happens because the previously existing sealing effect of the originally supported by the additional ring 16 remaining stocks of the inner ring 8 is eliminated.
• the liquid 6 can flow through the outlet 17.
• the second outlet 17 can have any effective cross section, in particular also the same cross section as the outlet 4, which is preferably, but not necessarily, identical to the effective cross section of the outlet 3.
• a shrinkable adjusting medium 5 may be provided for controlling the actuating element 10 according to the above description. It is particularly preferred if the adjusting medium is suitable for use in the food industry, ie as a health-promoting agent Food and / or is suitable as a drinking water additive. In particular, vitamin C, siliphosphate, phosphate combinations or polyphosphate are suitable for this purpose.
• the adjusting medium 5 itself can be present for this purpose as a powder, crystal, spheres or even as a pressure and in particular also form different spatial geometric structures, which deviate from the embodiment described above (ring 8, 16). By way of example, columnar and / or lattice-shaped structures, solid and / or optionally porous composite materials and / or structures formed therefrom and the like would be mentioned.
• FIG 2 shows in correspondence to Figure 1, the same actuator 1 for controlling a liquid flow 7, basically as Abschaltstellorgan (shut-off), but also with the same additional supplement of a schematically illustrated by dashed lines, the second outlet 17, with a likewise only by way of example by dashed Lines shown liquid flow 7, in the event that this outlet 17 is actually present.
• FIGS. 3 and 4 show a further embodiment of an actuator 1 for controlling a fluid flow 7, in which the actuating medium 5 itself forms the actuator 10 occluding the outlet 4 in the new state of operation. Its structure or its volume change in the course of the operating time by the pending on the adjusting medium 5 liquid 6 in such a way that the exemplified plug-shaped actuator 10 can form a passage for the liquid flow 7 through the actuator 10 in the course of service life.
• Such an actuator 1 is suitable, for example, for releasing the outlet 4 as a function of the amount of liquid flowing past this outlet 6 (inlet 19) at the outlet 18.
• the control of the passage characteristic of the actuating element 10 can be done, for example, by influencing the solution concentration of the liquid 6 in the inlet 19 before the actuator 10. This can be achieved, for example, via a corresponding exchange of concentration in the two liquid flow sections in the inlet 19 or in the outlet 18. As long as no liquid emerges at the outlet 18, a saturated solution can be established in the inlet 19 without further reducing the volume of the plug-shaped actuating medium 5, and in particular not further dissolving it.
• the operational state until then occurred through state remains unchanged until such time as further liquid flows through the actuator 1.
• FIG. 5 shows, according to a second aspect of the present invention, a filter device 20 in which an actuator 1 according to the above explanations is provided.
• the filter device 20 comprises a housing 21, a filter material 22 arranged therein and, symbolically represented by arrows, a liquid inlet 23 and a liquid outlet 24, via which the liquid 6 is guided for controlling the liquid flow 7.
• the liquid 6 passes through the filter material 22 through the filter device 20 and penetrates, as exemplified here, through openings 25 from the bottom into the housing 32 of the actuator 1 and leaves it via the outlet 24.
• the openings 25 may, for example, as holes be designed as a sieve, as a grid or the like.
• this further comprises a waste device 26 with a bypass line 27. Part of the flow through this bypass line 27
• Liquid flow 7 unfiltered on the filter material 22 over into the interior of the actuator 1.
• This unfiltered portion of the liquid 6 comes in the interior of the actuator 1 with the actuating medium 5 into contact, so this, depending on the material used for its volume and / or its structure and Purpose of the control of the liquid flow 7 changed.
• this adjusting medium 5 could again preferably be a resolving adjusting medium, which shrinks in volume during the dissolving process.
• the two closing elements 29, 30 are here exemplified as two coaxially interlocking, preferably tubular nozzle-shaped projections realized.
• the sealing seat 31 formed between them can be formed, for example, between the two mutually facing surfaces of the two closing elements 29 and 30. But it can also be additionally or separately formed between the end face of the upper closing element 29 and the upper surface area of the adjusting element 10 opposite it. If necessary, even an additional sealing element, for example in the form of an O-ring or the like, may be provided at a suitable location for forming an axial and / or radial seal.
• a shrinkable adjusting medium 5 can also be provided in a modified embodiment thereof, possibly also in combination with another actuating medium 5. If these adjusting media 5 are arranged on the same side of the adjusting element 10, in particular a combination of a first with a likewise reducing in volume and / or weakening in its structure second medium is preferred, for example, a dissolving and a shrinking. Correspondingly suitable shapes, structures and materials have already been set out in detail above.
• this adjusting medium is then preferably provided between the bottom of the actuating element 10 and the bottom of the housing 32 of the actuator 1. Due to the swelling property, it then similarly raises the adjusting element 10 in order to guide the two closing elements 29, 30 all the way to the seal.
• the selection of a specific actuating medium 5 can be carried out particularly preferably on properties and / or effects of the liquid to be filtered. Due to the combination of different actuating media and / or different shapes and / or structures of the actuating media, predetermined curve profiles for the closing process of the bypass circuit can be realized in a very specific manner. In addition to the combination of in the operation of the same control media (volume decreasing or volume increasing) can also be a combination of actuation media with different modes of action (increasing volume and decreasing volume) bring about advantageous control options, such as a homogenization and / or enhancement of the effect of a control medium by the action of the second and / or another control medium.
• the reduction of the volume on one side of the adjusting element 10 could be homogenized by supporting an on the other side, in the volume-increasing control element to the effect that by the pressure influencing the increasing in volume control medium a substantially constant, uniform distribution the dissolving medium takes place, and thus a predominantly continuous closing movement of the passage 28 is effected.
• the shapes and / or structures of one or both of such combined control media 5 allow a sudden change in volume.
• the volume-reducing medium for example, the formation of columnar structures or the like would be conceivable, which collapse after appropriate weakening by the action of the liquid at least in sections, thereby reducing the volume jerky.
• combinations such as weakly and strongly soluble components in the adjusting medium due to different solution behavior and / or due to different sizes or dimensions and the like are also conceivable.
• a return element 34 can in turn act on the adjusting element 10 in such a way that it supports it in a pulling or pushing manner in its actuating characteristic. This can happen For example, to act on an elastic spring element which is resilient to train and / or pressure to a compressible or stretchable elastomer, or to any other suitable for the application, elastically deformable element.
• Both with and without additional restoring element 34 can thus, depending on requirements, e.g. a continuous, an abrupt and / or a threshold-dependent adjustment of the blend ratio can be realized.
• Such control or switching valves may be designed not only as a shut-off or on-off valve but also as a reversing valve, as exemplified with reference to Figures 1 and 2 above.
• control and / or switching valves can be provided to influence all possible liquid streams. More preferably, they are proposed for the control of water in conducted applications, such as e.g. as a ballast for a faucet, for a shower to a shower, and more generally for water-consuming devices and / or devices.
• a first major area of application of such controls is that of pressure line-unblocked water treatments, e.g. can be supplied via a water tank.
• the inlet 23 is formed in the filter housing 21 open.
• Such an embodiment can be realized, for example, as a filter plug-in cartridge, which is provided in a water tank 44 for a water-conditioning and / or water-consuming device 45.
• the entire control of the filter 20 to the most consistent filter quality over the entire operating life of the filter for example by means of a bypass control as outlined above for a blending device, thus without additional measures with such a filter cartridge 20, or even filter candle, provided or after their exhaustion be traded with her.
• connection elements 48, 49 it can be interposed in a pressure line, in particular a water line in a house connection.
• the filter cartridge according to FIG. 5 can also be designed as a suction filter 20, for which purpose the outlet 24 is provided with a suction device 52, e.g. a water consuming device 45 ( Figure 11) is connected.
• a suction device 52 e.g. a water consuming device 45 ( Figure 11) is connected.
• a so-called “gravimetric filter device” such as e.g. for table filter devices or the like.
• the liquid level of a liquid to be filtered pushes it from a first container through the filter into a second container provided for receiving the filtered liquid.
• the filter inlet 23 may be provided in the lower region of the filter, but also further above or else at the very top.
• FIG. 6 shows the control position shown in FIG. 5 for an open pass circuit of the bypass line 27 for better clarity without the filter element 20.
• this actuator 1 is shown after a corresponding reduction in volume of the above the adjusting element 10 originally introduced actuating medium 5 in a closed view.
• the liquid stream 7 shown in the representation of FIG. 6 through the bypass line 27 is prevented in the illustration in FIG.
• the two closing elements 29 and 30 abut each other and close the passage 28th
• FIGS. 8 and 9 further show by way of example in detail the previously mentioned, second essential embodiment of a filter device 47 with a housing 53, as may be provided, for example, in a filter device 51 with filter head 50 for inserting such a filter insert 47.
• the arranged in the filter housing 47 actuator 1 is shown in new condition.
• the adjusting medium 5, here for example in the form of granules, for this purpose is shown as in three rows one above the other arranged granules volume.
• FIG. 9 a state already consumed so far is shown that now two rows of granules of the adjusting medium form the decreasing volume.
• the bypass line 27 is shown here by way of example by two channels, one left and one right. In principle, this could also be realized as a coaxially extending around the outlet line 24 larger line.
• a further passage 35 in the left side of the bypass line 27 is shown in this embodiment of the filter device 47, by way of example for all filter embodiments described here, which is closed in FIG is opened in the figure 9 due to the volume reduction of the actuating medium 5.
• the thus realized actuator 1 thus acts in this embodiment as Um Tavern- or switching element for guiding the bypass flow of the waste device.
• the liquid 6 can flow further down the interior of the filter 47 through holes 36 located in the bottom 37 through an additional filter material 38 (e.g., activated carbon or the like to filter the otherwise unfiltered waste stream) and then on to the outlet 24.
• additional filter material 38 e.g., activated carbon or the like to filter the otherwise unfiltered waste stream
• the passage 35 on the left side of this illustration is closed correspondingly in FIG. 10 and has an opening 39 on the outer wall of the bypass line 27.
• the actuator 10 slides down and with him the tubular aperture 41 formed thereon and thus releases the opening 39 in this left bypass area for introducing this liquid flow component in the lower region of the filter material 22.
• FIG. 11 supplements the graphic disclosure of the present invention by depicting an actuator 1 arranged in a water filter 20 designed as a plug-in filter for controlling a liquid flow 7.
• the actuator 1 controls the bypass path of the waste device 26, supplied by water from a tank 44 Tank 44 is in turn assigned to a water-consuming device 45, eg an espresso machine, and supplied by means of a suction device 52 via the line 46, a removal point 54.
• the interruption of the line 46 symbolizes any existing, whatever kind of treatment route for the water supplied so 6 in the device 45th
• FIG. 12 symbolically shows an exemplary embodiment of a fatigue indicator 55 with a signal element 57 representing the state of exhaustion of the water treatment agent in a window 56.
• an actuator or sensor 58 eg. B. according to one of the embodiments described above, swelling and / or shrinkable, dissolving, reducing a volume and / or magnifying or the like.
• the visual appearance of the signal element visible in the window can be done by action on an adjusting means 59 for displacement of the signal element 57 in the direction of the arrow 60.

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• Engineering & Computer Science (AREA)
• Hydrology & Water Resources (AREA)
• Environmental & Geological Engineering (AREA)
• Water Supply & Treatment (AREA)
• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Food Science & Technology (AREA)
• Mechanical Engineering (AREA)
• Health & Medical Sciences (AREA)
• Clinical Laboratory Science (AREA)
• Water Treatment By Sorption (AREA)
• Treatment Of Water By Ion Exchange (AREA)
• Accessories For Mixers (AREA)
• External Artificial Organs (AREA)
• Massaging Devices (AREA)
• Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

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• 2007
  • 2007-12-21 WO PCT/EP2007/011341 patent/WO2008077609A2/de active Application Filing
  • 2007-12-21 EP EP07866260A patent/EP2108002A2/de not_active Withdrawn
  • 2007-12-21 US US12/448,479 patent/US8894848B2/en not_active Expired - Fee Related
  • 2007-12-21 WO PCT/EP2007/011364 patent/WO2008077622A2/de active Application Filing
  • 2007-12-21 DE DE102007062925A patent/DE102007062925A1/de not_active Withdrawn
  • 2007-12-21 EP EP07870209A patent/EP2108003A2/de not_active Withdrawn
  • 2007-12-21 JP JP2009541913A patent/JP5491192B2/ja not_active Expired - Fee Related
  • 2007-12-21 US US12/448,477 patent/US20100044284A1/en not_active Abandoned

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