IL277286B - A dosing pump - Google Patents

A dosing pump

Info

Publication number
IL277286B
IL277286B IL277286A IL27728620A IL277286B IL 277286 B IL277286 B IL 277286B IL 277286 A IL277286 A IL 277286A IL 27728620 A IL27728620 A IL 27728620A IL 277286 B IL277286 B IL 277286B
Authority
IL
Israel
Prior art keywords
sample chamber
sample
carriages
support plate
processing
Prior art date
Application number
IL277286A
Other languages
Hebrew (he)
Other versions
IL277286A (en
Inventor
Abraham Aloni
Gideon Sagi
Original Assignee
Tefen Flow & Dosing Tech
Abraham Aloni
Gideon Sagi
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 Tefen Flow & Dosing Tech, Abraham Aloni, Gideon Sagi filed Critical Tefen Flow & Dosing Tech
Priority to IL277286A priority Critical patent/IL277286B/en
Priority to PCT/IL2021/051100 priority patent/WO2022054059A1/en
Publication of IL277286A publication Critical patent/IL277286A/en
Publication of IL277286B publication Critical patent/IL277286B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00Pumps specially modified to deliver fixed or variable measured quantities
    • F04B13/02Pumps specially modified to deliver fixed or variable measured quantities of two or more fluids at the same time
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02Stopping, starting, unloading or idling control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/225Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/06Venting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0003Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber
    • F04B7/0007Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber and having a rotating movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0003Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber
    • F04B7/0011Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber and having an oscillating movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00Pump parameters
    • F04B2201/02Piston parameters
    • F04B2201/0201Position of the piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Description

A DOSING PUMP FIELD OF INVENTION [1] The present invention generally pertains to a dosing pump.
BACKGROUND OF THE INVENTION [2] Dosing pumps are positive displacement fluids drives, designed to inject a first inflowing matter (additive) into an inflow of a second fluid (solvent) hence forming mixture (product) of a predetermined volumetric ratio of the two or more flows. [3] Commercially available dosing pumps known to have an ON/OFF switching mechanism configured to allow solvent flow when additive inflow is paused. Air release mechanisms also available in dosing pumps. Likewise, piston strokes detector configured to both indicate pump functionality and further provide a communicable processor with means for calculating parameters of additive inflow is available. Nevertheless, an all-in-one unified dosing pump into which the aforesaid multiple important features are integrated without increasing pump’s size and decreasing reliability of the operation, increasing maintenance costs, without deteriorating flow parameters is still an unmet need.
SUMMARY OF THE INVENTION [4] It is hence one object of the invention to disclose a dosing pump which comprises, inter alia, at least one first inlet for at least one solvent; at least second inlet for at least one additive, a reciprocating piston for mixing the solvent with the additive during a suction stroke and for discharging the mixture from an outlet. The dosing pump further comprises at least two mechanisms of the following three: (i) an engine ON/OFF switching mechanism configured to allow solvent flow when additive inflow is paused; (ii) a piston strokes detecting mechanism configured to both indicate pump functionality and further provide a communicable processor with means for calculating parameters of additive inflow; and (iii) an air release mechanism. [5] Another object of the invention is to discloses a dosing pump as defined above, wherein the pump comprises, inter alia, the following three mechanisms: (i) an engine ON/OFF switching mechanism configured to allow solvent flow when additive inflow is paused; (ii) a piston strokes detecting mechanism configured to both indicate pump functionality and further 1 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0] provide a communicable processor with means for calculating parameters of additive inflow; and (iii) an air release mechanism. [6] Another object of the invention is to discloses a dosing pump as defined in any of the above, wherein the engine switching mechanism is configured to allow drawn up of the additive when handle is configured ON; and stop to draw up of additive when handle is configured OFF, yet allowing solvent still allowed to flow through. [7] Another object of the invention is to discloses a dosing pump as defined in any of the above, wherein the engine switching mechanism comprises an ON/OFF applicator. The applicator is selectable from a group consisting of a lever, handle, pedal, switch, button, solenoid and knob.
The switching mechanism further comprises an elongated ON/OFF bar interconnected with the applicator in one side, and with a piston stroke stopper at the opposite side, the stopper is configured to stop pump’s piston form reciprocating so that engine work is paused. [8] Another object of the invention is to discloses a dosing pump as defined in any of the above, wherein the engine switching mechanism comprises a variable applicator selected from a lever, handle, pedal, switch, button, solenoid, or knob; and an elongated ON/OFF bar interconnected with the applicator in one side, and with a piston stroke stopper at the opposite side, the stopper, when engaged with pump’s piston, or otherwise positioned adjacent to the piston, configured to decrease piston’s reciprocating movement so that engine work is variably altered. [9] Another object of the invention is to discloses a dosing pump as defined in any of the above, wherein the ON/OFF switching is selected from a group consisting of manually operated mechanism, semi-automatically operated mechanism, computer-operated (automatic) mechanism, a mechanism operated by electric actuator, hydraulic actuator, pneumatic actuator, linear actuator, rotating actuator, cordial operated mechanism, wireless operated mechanism, and any combination thereof.
[10] Another object of the invention is to discloses a dosing pump as defined in any of the above, wherein the piston strokes detector is selected from a group consisting of electromagnets, including reed sensors, optical sensors, movement sensors including accelerometer, displacement sensor, capacitive sensor, inductive sensor, temperature sensor, proximity sensor, volumetric sensor, and a pressure sensor.
[11] Another object of the invention is to discloses a dosing pump as defined in any of the above, wherein the air-release mechanism is selected from a group consisting of manually operated mechanism, semi-automatically operated mechanism, computer-operated (automatic) mechanism, air release valve mechanism, degassing valve mechanism, integral relief valve, a bleed to exhaust pressure and priming valve for a back-pressure valve, a mechanism operated 2 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0] by electric actuator, hydraulic actuator, pneumatic actuator, linear actuator, rotating actuator, cordial operated mechanism, wireless operated mechanism, and any combination thereof.
[12] Another object of the invention is to discloses a dosing pump as defined in any of the above, wherein the air-release mechanism is selected from a group consisting of a mechanism comprising a regulator having a closed configuration and at least one open configuration, the regulator is selected from a normally-closed regulator, normally-open air release regulator, gas- pressure regulated regulator, cover valve, knob, including a normally-closed air release knob screw, tap, cover, stopcock, purge, faucet, expandable nozzle or orifice valve, and a combination thereof. knob, normally-closed air release knob; and any combination thereof.
[13] Another object of the invention is to discloses a method for mounting dosing pump as defined in any of the above, wherein the method comprises steps of affixing the pump to a mounting bracket and immobilizing mounting bracket to a solid structure.
[14] Another object of the invention is to discloses a method for mounting dosing pump as defined in any of the above, wherein the method comprises step of dismantling the pump form its mounting bracket.
[15] Another object of the invention is to discloses a method for locking a dosing pump as defined in any of the above, wherein the method comprises step of turning adjustment nut proportioning sleeve (500) to select the desired metered quantity, the proportioning cylinder (502) are activated by turning the locking nut proportioning sleeve (500) in order to bring the proportioning cylinder (502) ring into its second desire position. the proportioning locking nut (501) can be than set to lock proportioning sleeve (500) position. of abutment against the adjustment nut in order to rotationally block the adjustment nut by complementarity of form.
[16] Another object of the invention is to discloses a method for unlocking a dosing pump as defined in any of the above, wherein the method comprises step of disengaging proportioning locking nut (501) nut in order to bring the proportioning cylinder (502) ring into its first position of abutment from the proportioning locking nut (501) adjustment nut, in order to render the proportioning sleeve (500) adjustment nut free to rotate with respect to the cylinder support (499) ring.
[17] Another object of the invention is to discloses a method for monitoring a dosing pump as defined in any of the above. The method comprises step of, by means of the piston strokes detecting mechanism, detecting at least one piston stroke’s parameter selected from a group consisting of strokes rate; time of first stroke along a given period of time, time of last stroke along the period of time, time of first stroke, time of last stroke, stroke’s rate variability, stroke rate along time, stroke’s rate variability along time, and any combination thereof; optionally, 3 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0] by means of an optional pressure-variation detecting mechanism, detecting flow pressure variation; and further optionally, by means of an optional temperature sensor, detecting fluid’s temperature.
[18] Another object of the invention is to discloses a method for monitoring a dosing pump as defined in any of the above. The method comprises step of, by means of either or both a processor intercommunicated with the piston strokes detecting mechanism, and optionally intercommunicated with either or both pressure-variation detecting mechanism and/or by means of the piston strokes detecting mechanism itself; by means of an optional pressure- variation detecting mechanism and/or an optional temperature sensor, providing at least one of the followings four: (A) If piston stroke’s parameter, and optionally fluid pressure and/or fluid temperature are within a predefined at least one first range, indicating pump is functional, working in a normal manner, effective or working in a conform manner. (B) if otherwise at least one piston stroke’s parameter, and optionally fluids pressure and/or temperature are outside a predefined the at least one allowed first range and/or within a predefined at least one second forbidden range, alarming pump’s is either unfunctional or working in an out of norm manner, ineffective or working in a non-conform manner. (C) indicating the at least one piston stroke’s parameter, and optionally fluid pressure and/or fluid temperature. (D) by means of either or both negative feedback mechanism and/or positive feedback mechanism, regulating parameters related with one or more of the following flows: the solvent inflow flux, flow’s pressure or temperature thereof; the additive inflow flux, flow’s pressure or temperature thereof; and the mixed product outflow flux, flow’s pressure or temperature thereof.
[19] It is in the scope of the invention wherein the alarm is provided adjacent to the dosing pump, e.g., utilizing various sound alarms, lights and light flashes, vibration etc., to one or more remote locations, e.g., in a wireless manner, by using smartphone application and GUI thereof, or in any combination thereof.
[20] Another object of the invention is to discloses a dosing mechanism comprising a dosing body, provided in connection or otherwise integrated with at least two mechanisms of the following three (i) an engine ON/OFF switching mechanism configured to allow solvent flow when additive inflow is paused; (ii) a piston strokes detecting mechanism configured to both indicate pump functionality and further provide a communicable processor with means for calculating parameters of additive inflow; and (iii) an air release mechanism.
[21] Another object of the invention is to discloses a dosing mechanism comprising a dosing body, provided in connection or otherwise integrated with all of following mechanisms: (i) an engine ON/OFF switching mechanism configured to allow solvent flow when additive inflow is paused; 4 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0] (ii) a piston strokes detecting mechanism configured to both indicate pump functionality and further provide a communicable processor with means for calculating parameters of additive inflow; and (iii) an air release mechanism.
[22] Another object of the invention is to discloses a method of dosing additive in a solvent, comprising steps of providing in connection or otherwise integrating at least two of the three following mechanisms: (i) an engine ON/OFF switching mechanism configured to allow solvent flow when additive inflow is paused; (ii) a piston strokes detecting mechanism configured to both indicate pump functionality and further provide a communicable processor with means for calculating parameters of additive inflow; and (iii) an air release mechanism.
[23] Another object of the invention is to discloses a method of dosing additive in a solvent, comprising steps of providing in connection or otherwise integrating the three following mechanisms: (i) an engine ON/OFF switching mechanism configured to allow solvent flow when additive inflow is paused; (ii) a piston strokes detecting mechanism configured to both indicate pump functionality and further provide a communicable processor with means for calculating parameters of additive inflow; and (iii) an air release mechanism.
[24] It is in the scope of the invention wherein the flow rate of solvent at the inlet of the metering 3 pump is ranging from about 2.5 l/h to about 50 m /h; and the flow rate in the nozzle ranging from about 0.01 l/h to about 7500 l/h. It is further in the scope of the invention wherein the dosing pump is configured for meeting a wide range of system specifications, such as GPM: about 0.19 to about 300 LPM; flow ratio: about 1:1 to about 1:30,000; pressure: about 4.3 to about 150 PSI; and Temperature range about -30 to about 150C. It is in the scope of the invention wherein the dosing pump and/or mechanisms, parts, and modules thereof are made of available materials, such as plastics, polymers and combinations thereof, metals, composite materials and mixtures of the same.
[25] It is further in the scope of the invention wherein the dosing pump disclosed herein is provided useful for dosing or proportionating in solvents (e.g., water) a wide range of additives.
Additives are utilized, in a non-limiting manner for animal health such antibiotics coccidiostats wormers aspirin paracetamol and vaccines; food safety & sanitation; irrigation; metal processing; nutrient delivery system such as vitamins minerals trace elements, such as chlorine ammonia hydrogen peroxide acetic acid (vinegar) peracetic acid citric acid formic, propionic, lactic acids iodine essential oils; electrolytes probiotics; printing; vehicle wash; water treatment and dilution solutions; cleaning & disinfection, such as car & truck disinfection, staff decontamination etc.
DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0] BRIEF DESCRIPTION OF THE FIGURES
[26] The accompanying drawings, which are included to provide a further understanding of the present disclosure and constitute a part of this specification, illustrate certain embodiments of the present disclosure and, together with the written description, serve to explain various aspects of the present disclosure, wherein:
[27] Fig. 1A schematically illustrates a perspective view of the upper portion of an all-in-one dosing pump assembly according to an embodiment of the invention;
[28] Fig. 1B schematically illustrates a side view an all-in-one dosing pump assembly according to an embodiment of the invention;
[29] Fig. 1C schematically illustrates a lateral cross section an all-in-one dosing pump assembly according to an embodiment of the invention;
[30] Fig. 2 schematically illustrates a cross section of an air release mechanism at its open configuration according to an embodiment of the invention;
[31] Fig. 3 schematically illustrates a cross section of an air release mechanism at its closed configuration according to an embodiment of the invention;
[32] Fig. 4 schematically illustrates a cross section of an ON/OFF mechanism at its ON state, namely ‘pump is operating’, according to an embodiment of the invention;
[33] Fig. 5 schematically illustrates a cross section of an ON/OFF mechanism at its OFF state namely ‘pump is paused’, according to an embodiment of the invention
[34] Fig. 6 schematically illustrates a cross section of piston’s stroke detector at its ON mode, according to an embodiment of the invention;
[35] Fig. 7 schematically illustrates a cross section of piston’s stroke detector at its OFF mode, according to an embodiment of the invention;
[36] Fig. 8 schematically illustrates pump assembly according to an embodiment of the invention;
[37] Fig. 9 schematically illustrates pump assembly section, area and space used for all three integrated components, according to an embodiment of the invention;
[38] Fig. 10 schematically illustrates air release assembly according to an embodiment of the invention;
[39] Fig. 11 schematically illustrates air release assembly (closed position) according to an embodiment of the invention;
[40] Fig. 12 schematically illustrates air release assembly (Open position) according to an embodiment of the invention;
[41] Fig. 13 schematically illustrates ON/OFF button according to an embodiment of the invention; 6 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0]
[42] Fig. 14 schematically illustrates ON/OFF button, upper position (pump is operating), according to an embodiment of the invention;
[43] Fig. 15 schematically illustrates ON/OFF button, bottom position (pump is paused) according to an embodiment of the invention;
[44] Fig. 16 schematically illustrates ON/OFF lever - upper position (pump is operating) according to an embodiment of the invention;
[45] Fig. 17 schematically illustrates ON/OFF lever section– upper position (pump is operating), according to an embodiment of the invention;
[46] Fig. 18 schematically illustrates ON/OFF lever section bottom position (pump is paused), according to an embodiment of the invention;
[47] Fig. 19 schematically illustrates ON/OFF lever section– bottom position (pump is paused), according to an embodiment of the invention;
[48] Fig. 20 schematically illustrates reed switch according to an embodiment of the invention; and
[49] Fig. 21 schematically illustrates reed switch section according to an embodiment of the invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[50] The present invention discloses an all-in-one dosing pump comprising first inlet for a solvent; second inlet for an additive, a reciprocating piston for suction of the additive and mixing the solvent with the additive and an outlet for the mixed solvent and additive. The dosing pump further comprising two or more or all three of the following mechanisms: an ON/OFF switching mechanism configured to allow solvent flow when additive inflow is paused; a piston strokes detector configured to both indicate pump functionality and further provide a communicable processor with means for calculating parameters of additive inflow; and an air release mechanism.
[51] The terms ‘all-in- on e’ and ‘ AIO’ interchangeably refer to the dosing pump presented in this invention, where three different mechanisms: ON/OFF engine mechanism, air release mechanism, and piston’s stroke sensing mechanism are integrated within one casing. It is in the scope of the invention wherein hereinafter disclosed AIOs are selected from one, a plurality, or a combination of two or more embodiments, e.g., such as so-called TF, TF5 and MixRite types of AIO disclosed below.
[52] The term ‘ ab ou t ’ refers to a value being from 25% less than the defined measure up to 25% more than the defined measure. Similarly, the term “substantially” refers to a value being nearly 7 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0] exact, for instance, accounting for manufacturing tolerances or a value which can be reasonably considered equal to the stated value.
[53] As used in the specification and the appended claims, the singular forms “a,” “an” and “the” include their plural referents unless the context clearly dictates otherwise. For example, reference a “polymer,” a “member” or an “additive” is intended to include the processing or making of a plurality of polymers, members or additives. References to a composition containing or including “an” ingredient or “a” polymer is intended to include other ingredients or other polymers, respectively, in addition to the one named.
[54] The terms ‘ solvent’ and “additive” refer to any matter being flowable at working temperature and pressure, e.g., at least one heterogenous or homogeneous fluid, at least one liquid, at least one gas, at least one solid matter, such as small particles and powders. Each of the terms further refers to a any type or form of blend, mixture or combination of a liquid, gas and solid.
Alternatively, or alternatively, the term refers to a flowable compound that is liquid composition either or both at room temperature and (dosing-) process temperature.
Alternatively, or alternatively, the term refers to a nonreactive component of a composition that reduces the viscosity of the composition and has a volatility such that it is removed under the conditions (such as temperature) at which the composition is processed.
[55] The term “liquid composition” refers to a liquid medium, i.e., pure liquid or a combination of two or more liquids, in which the material is homogenously or heterogeneously distributed. In certain embodiments, the material is dissolved in a liquid medium to form a solution. In certain embodiments, the material is dispersed in a liquid medium to form a dispersion. In certain embodiments, the material is suspended in a liquid medium to form a suspension or emulsion.
[56] The terms "fluid components" or "fluids", interchangeably refer to flowable substances, chemical, biological or physical compounds or even mixtures of the compounds. In preferred embodiments of the invention, fluids or fluid components are substances flowable when provided by their own or under the influence of a power, for example under the influence of pressure applied thereon. Even more particularly, the term "fluids" comprises liquids, i. e. substances having a relatively low viscosity at ordinary working temperature, for example room temperature or a controlled elevated temperature, but also comprises substances having a higher viscosity under ordinary working temperature, for example room temperature or a controlled elevated temperature, for example a paste. In accordance with the present invention, the term "fluids" may also comprise suspensions, i.e. substance mixtures having one solid and 8 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0] one liquid or paste-like component, or may also comprise solid fine particles, powders or powder mixtures.
[57] The terms "dosing" and "dose", interchangeably refer to process of metering (proportioning) an amount, or the metered amount of substance or matter itself, in the very general sense. In a particularly those terms refer to an exact metering of a substance, or the exactly metered amount, or of a rapid metering of a substance, or the rapidly metered amount, or even the combined exact and rapid metering of a substance, or the combined exactly and rapidly metered amount.
[58] The dosing pump of the present invention is utilizable for dosing additives of various sorts, by means of a regulation of a volumetric type of the fluid pumped at each cycle. They are devices that are widely used in numerous both industrial and domestic applications, such as for example: treatment of drinking water; public and private water pools; vehicle wash facilities; laundries; galvanic equipment; chemical industry; cooling towers; fertirrigation; agro- alimentary industry; animal health such antibiotics coccidiostats wormers aspirin paracetamol and vaccines; food safety & sanitation; irrigation; metal processing; nutrient delivery system such as vitamins minerals trace elements, such as chlorine ammonia hydrogen peroxide acetic acid (vinegar) peracetic acid citric acid formic, propionic, lactic acids iodine essential oils, etc.; electrolytes probiotics; printing; water treatment and dilution solutions; cleaning & disinfection, such as car & truck, and/or staff decontamination.
[59] Examples of certain embodiments of the present disclosure will be described more fully below.
The following examples and formulations of various exemplary binding materials and uses thereof may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth therein. Rather, these exemplary embodiments are provided so that the present disclosure will be thorough and complete, and will fully convey the scope of the present disclosure to those skilled in the art.
[60] Reference is now made to figures 1A-1C, illustrating a perspective view, side view and a cross- section of a portion of dosing pump according one embodiment of the invention. Bell-shaped casing of the pump comprising a body and a continuous enveloping cover. The body includes, inter alia, lower pump cylinder; side in and out flow connections; mounting connection; additive suction assembly connection. In Fig. 1A, cover (1100) includes, inter alia, an upper pump cylinder and top mounting for air release (201); and an on/off mechanism (100). 9 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0]
[61] Figs. 1B-1C depict an air release cover (1050) and a dosing pump upper cover (1100); dosing pump body (400), solvent inlet (402) and mixture (product) outlet 401; cylinder support (499), adjustment nut and proportioner (500), proportioner’s cylinder (502). Check valve nut (600), additive suction connection (601). Figs. 1B-1C further show mounting bracket (403), and check valve pin (602).
[62] Reference is now made to Figs. 2 and 3, schematically illustrating cross sections of the upper portion of a dosing pump according to an embodiment of the invention. Fig. 2 shows the air release in its open configuration (204), and Fig. 3 depicts its closed configuration. The valve enables fluids, especially compressible fluids such as air, to flow out from the top of the pump.
The pump cover top (1100) may be the highest location in the solvent supply system, so air existing in the flow will accumulate there, and might cause pump malfunction.
[63] It is in the scope of the invention where the air release mechanism comprises an air release valve the is configured for rapid venting manually of a large amount of air at system start up, or when a fluid is being filled. Additionally, or alternatively, the air release mechanism comprises degassing valve which is configured for periodically venting trace amounts of gas as it occurs. It is thus in the scope of the invention wherein the normally-open valve closes once fluid rises in the system; or alternatively, the valve automatically re-opens whenever additional pockets of gas rise in the valve, even when the system is pressurized. Once the gas is expelled, the presence of liquid closes the valve.
[64] In an embodiment of the invention, the air release mechanism comprises a normally-closed air release knob (201), O-ring (209), air release spring (202), air release screw (203), air release - side screw (206), and AIO air ring (205). The reed switch detector (131) is also shown.
[65] Reference is now made to Figs. 4 and 5, schematically illustrating cross sections of the ON/OFF switching mechanism configured to allow solvent flow when additive inflow is blocked, located at an upper portion of a dosing pump, according to an embodiment of the invention.
Fig. 4 shows the ON/OFF handle positioned at its ON state, pump is operating; whereas Fig. 5 depicts the same in its OFF state, pump is paused.
[66] The pump ON/OFF switching mechanism comprises ON/OFF handle (101), lever, pedal, switch, button, or knob, affixed in connection with AIO cover (100), and operatable in one or more manners, including manually, electrically (computerized), pneumatically and hydraulically. A stainless-steel screw (102) is shown at Figs. 13-14 below. The mechanism further integrated with hand ON/OFF reed switch bar (104), TF ON/OFF pin (105). Fig. 4 shows that in its ON (open-) state, the lower portion of the hand on/off reed switch bar (104) is located above magnet assembly (302-306). By actuating (110) the handle (101), AIO bar (104) slide down (112). Fig.
DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0] hence shows that in its OFF (closed-) state, the lower portion of the AIO bar (104) is provided in connection with valve bridge (301). The arrow (312) indicates the direction of movement of the AIO bar (104) for transferring the pump to its OFF state.
[67] It is in the scope of the invention wherein the ON/OFF mechanism enables the pump to stop injecting the additive, while the solvent keeps flowing thru the pump. The pump is paused by moving an AIO bar (104), preventing the engine's valves bridge (301) flip its position; Pump's engine (325) stops near the top stroke position. Manual version is described, nevertheless, the mechanism can be activated by hydraulic or electric actuator as well.
[68] The dosing pump of this invention further integrates a pump’s strokes detector. It is acknowledged that such a detector may be selected from a group consisting of electromagnets, including reed sensors, optical sensors, movement sensors including accelerometer, displacement sensor, capacitive sensor, inductive sensor, temperature sensor, proximity sensor, volumetric sensor, and a pressure sensor. In this embodiment, an electromagnet reed switch mechanism will be provided as an example. Hence, a magnet (306) attached to the vertical magnet holder (304) activates the reed detector (131) on each stroke. The detector is utilizable for two different tasks: firstly, for indicating engines proper operation; and secondly, for providing data processable to calculate additive suction parameters, e.g., flux, flow rate etc.
[69] Reference is now made to Figs. 6 and 7, schematically illustrating cross sections of pump’s strokes detector (here, the reed switch assembly). In Fig. 6, reed switch is OFF, whilst it is shown switched ON in Fig. 7. The reed switches and magnets thereof are provided useful to detect when the reciprocating piston is at its extreme position at each stroke, in transition or both. A communicable controller calculates the rate at which the motor is running by counting the opening and closing of the reed switches activated by the varying positions of the pump's engine. The controller may compare that rate to a pre-programmed value to determine if the pump is operated properly.
[70] The reed switch assembly is located in AIO bar (104), and the pump body within its cover (1100). It comprises, inter alia, reed switch sensor cable (130), and reed switch sensor (131).
[71] Reference is now made to Figs. 8 and 9, schematically illustrating a perspective view and a cross section, respectively, of engine’s ON/OFF mechanism, namely modules including TF ON/OFF lever (101), TF5 ON/OFF cover (200), TF5 cover (300), TF5 ON/OFF bar (311), TF5 valve bridge (322), engine (325), TF5 body (410), solvent’s inlet and either solvent outlet (lever in its close configuration, or mixture (product-) outlet, lever is in its open configuration (401, 402, respectively), adjustment nut (500), and additive suction connection (601). 11 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0]
[72] Reference is now made to Figs. 10, 11 and 12, schematically illustrating a perspective view and two cross sections, respectively, of air (i.e., any comprisable fluid relevant to the dosing system) release mechanism, namely modules including air release spring (212), air release (1050), air release O-ring (1051), air release bar (1052), MixRite-cover (1100)
[73] It is also understood that the mention of one or more method steps does not preclude the presence of additional method steps before or after the combined recited steps or intervening method steps between those steps expressly identified. Moreover, the lettering of process steps or ingredients is a convenient means for identifying discrete activities or ingredients and the recited lettering can be arranged in any sequence, unless otherwise indicated.
[74] In one mode of action, as indicated by arrow 211A (downwards), shutting of the 1050 cover provides closing 211B the gap provided by O-ring 1051 so that air inflow 210 is stopped.
[75] Reference is now made to Figs. 13, 14 and 15, schematically illustrating a perspective view and two cross sections, respectively, of ON/OFF button assembly according to an embodiment of the invention; namely modules including a stainless-steel screw (102), MixRite ON/OFF knob (1010), ON/OFF bar (1011), MixRite ON/OFF spring (1012), NUT (1020), and MixRite-cover (1100). A possible mode of action is schematically illustrated in Figs. 14 and 15 illustrating ON/OFF button in its upper position (pump is operating); and ON/OFF button in its lower position (pump is paused), respectively. Activation of knob (1010), e.g., by rotation (120) and/or by linearly reciprocating bar (1011), pushes it downwards to pause piston stroke stopper downwards to stop engine’s work. In his OFF position, additive inflow is stopped, whilst solvent flow throughout the dosing pump is allowed.
[76] Reference is now made to Figs. 16, 17, 18 and 19, schematically illustrating perspective and cross section views of ON/OFF lever - upper position (Pump is operating), respectively; and perspective and cross section views of ON/OFF Lever section bottom position (Pump is paused while solvent flow is allowed), respectively, according to yet another embodiment of the invention. The ON/OFF lever assembly comprises, inter alia, models such as ON/OFF lever (101), TF ON/OFF pin (105), TF ON/OFF cover (200), TF5 cover (300), TF5 ON/OFF bar (311), and TF5 piston stroke stopper (320). A possible mode of action comprises steps of providing (110) lever (101) in its ON position, hence, reversibly affixing bar (311) in its most upper orientation (112), so that stopper (320) is at its upmost position. By sliding lever (101) to its OFF position, reversibly affixing bar (311) in its lower orientation (112), so that stopper (320) is at its downmost position, pausing piston strokes (additive inflow is stopped), while enabling solvent flow throughout the dosing pump. 12 DynamicPDF for .NET v8.0.0.40 (Build 29393)Evaluating unlicensed DynamicPDF feature. Click here for details. [4:0:v8.0]
[77] Reference is now made to Figs. 20 and 21, schematically illustrating perspective and cross section views of reed switch according to an embodiment of the invention. The reed switch assembly comprises, inter alia, modules including reed switch sensor cable (130), reed switch sensor (131), nut (1020), and TF5 cover (300). A possible mode of action comprises steps of sensing, by means of sensor (131) piston strokes, by means of either cable (130) or wirelessly indicating piston regular or irregular reciprocation, and/or sending data which further processed to calculate additive inflow parameters.
[78] Although the disclosure herein has been described with reference to particular embodiments and examples, it is to be understood that these embodiments and examples are merely illustrative of the principles and applications of the present disclosure. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and examples and that other arrangements may be devised without departing from the spirit and scope of the present disclosure as defined by the appended claims.

Claims (27)

  1. CLAIMED IS: 1. A system for processing biological samples comprising: a support plate comprising: a central portion comprising a receiving element, wherein the receiving element is configured to reversibly interact with a drive shaft of a motor, the motor configured to apply centrifugal movement to the support plate, wherein the central portion lies in a plane perpendicular to an axis of rotation of the drive shaft of the motor; a lateral portion comprising a plurality of interacting regions, each configured to reversibly interact with a plurality of carriages, wherein the lateral portion extends radially from the central portion and at least partially lies within a plane parallel to the plane of the central portion, and a plurality of carriages, wherein each of the plurality of carriages is configured to be operatively coupled to the lateral portion of the support plate, each of the plurality of carriages comprising: a first end and a second end and a base portion extending between the first and second ends, a receiving region configured to reversibly interact with a microfluidic chip, wherein the microfluidic chip comprises a first end and a second end, wherein the first end is fluidically coupled to a first sample chamber configured to receive a sample for processing, wherein the second end is fluidically coupled to a second sample chamber, wherein the microfluidic chip is configured to allow bidirectional flow of a sample from the first sample chamber to the second sample chamber and back to the first sample chamber, and a post extending orthogonally from the base portion and configured to interact with one of the plurality of interacting regions of the lateral portion; 52 263422/2 wherein each of the plurality of carriages is positioned co-axially about one of a plurality of axes, wherein during operation each of the plurality of axes extends substantially parallel to the axis of rotation of the drive shaft of the motor, and wherein each of the plurality of carriages is at least intermittently rotatable about one of the plurality of axes through an arc of 180 degrees.
  2. 2. The system of Claim 1, further comprising a plurality of microfluidic chips, each microfluidic chip comprising: a central body portion positioned between a first end and a second end, each of the first and second end configured to fluidically interact with the sample chamber, and at least one microfluidic channel extending between the first and second ends, the at least one channel comprising varied dimensions and configured to allow passage of the sample from the first end to the second end, wherein each of the plurality of microfluidic chips are dimensioned to fit within a corresponding receiving region on a corresponding carriage.
  3. 3. The system of Claim 2, wherein each microfluidic chip is reversibly fluidically coupled to a sample chamber on each of the first and second ends, wherein each sample chamber comprises a vent and a vent channel that is fluidly connected to the interior of the sample chamber, and wherein each sample chamber is reversibly fluidically coupled to the microfluidic chip via an adapter.
  4. 4. The system of Claim 1, wherein each carriage comprises a capture element on the first and second ends, the capture elements configured to communicate with a release element on the lateral portion of the support plate, wherein the communication between the capture elements and release element allows the intermittent rotation of each of the plurality of carriages.
  5. 5. The system of Claim 4, wherein the capture elements comprise magnets of a first polarity and the release element comprises a magnet of an opposite polarity. 53 263422/2
  6. 6. The system of Claim 1, wherein the lateral portion of the support plate comprises a disc, with the interacting regions spaced circumferentially around the disc, wherein the lateral portion and the central portion are a unitary structure.
  7. 7. The system of Claim 1, wherein the lateral portion of the support plate comprises a plurality of arms, with each arm comprising a corresponding interacting region, wherein the arms and the central portion are a unitary structure.
  8. 8. The system of Claim 1, wherein the lateral portion of the support plate comprises a plurality of arms, wherein the arms and the central portion are separate structures joined together, wherein the arms are hinged relative to the central portion, and wherein the arms being hinged allow the arms to move into the plane of the axis that is substantially parallel to the axis of rotation of the drive shaft of the motor during operation.
  9. 9. The system of Claim 2, wherein the interacting regions comprise a through hole that receives the post from the corresponding carriage.
  10. 10. The system of Claim 1, wherein the receiving region is positioned on an upper surface of the base portion of the carriage.
  11. 11. The system of Claim 8, wherein the post extends from a bottom surface of the base portion of the carriage.
  12. 12. The system of Claim 1, wherein the intermittent rotation of each of the carriages is accomplished via the interaction of gears positioned on the lateral portion with fixed teeth that induce rotation of each carriage.
  13. 13. A system according to any one of Claims 1-12, further comprising an enclosure, wherein the enclosure separates the system from an external environment. 54 263422/2
  14. 14. The system of Claim 13, further comprising a motor operably connected to the drive shaft, wherein the motor is controlled by a controller unit that allows control of the rotational speed of the motor.
  15. 15. The system of Claim 1, wherein the lateral portion comprises at least three arms, each of the three arms comprising an interacting region configured to interact with one of at least three carriages comprising a first and second end, each of the carriages configured to reversibly interact with one of at least three microfluidic chips, each chip comprising a first end, a second end, and a body therebetween, each end of the microfluidic chip being fluidically coupled to a sample chamber, and the body of the chip comprising a plurality of microfluidic pathways extending between the first and second ends, and wherein the carriages are configured to intermittently rotate between a first position where the first end is positioned at a first location at a first distance from the receiving element of the central portion and a second position wherein the first end is positioned at second location at a second distance from the receiving element of the central portion, wherein the first distance is greater than the second distance.
  16. 16. A method for processing a biological sample via bidirectional flow through a microfluidic chip, comprising: loading a biological sample into a first sample chamber that is configured to be fluidically coupled to the microfluidic chip, the chip comprising: a central body portion positioned between a first end and a second end, the first end configured to be fluidically coupled to the first sample chamber and the second end fluidically coupled with a second sample chamber, and at least one microfluidic channel extending between the first and second ends, the at least one channel comprising varied dimensions and configured to allow passage of the a sample from the first end to the second end, 55 263422/2 reversibly coupling the microfluidic chip with a receiving region of one of a plurality of carriages that is part of a centrifugal device, the centrifugal device comprising: a support plate comprising a central portion and a lateral portion, the lateral portion extending radially from the central portion and lying within a plane parallel to the plane of the central portion, each of the carriages operatively coupled to the lateral portion of the support plate and comprising a first end, a second end, and a base portion extending between the first and second ends, the base portion comprising the receiving region, each of the carriages configured to be rotatable about an axis substantially perpendicular to the plane of the central portion, wherein the carriage starts in a first position in which the first end is positioned at a first distance from the central portion of the support plate and is rotatable to a second position where the second end is positioned such that the second end is positioned at the first distance from the central portion of the support plate; applying a rotational force to the centrifugal device, thereby causing the sample to pass from the first sample chamber coupled to the first end of the microfluidic chip through the at least one microfluidic channel extending between the first and second ends and into the second sample chamber; allowing rotation of the carriage between the first and second positions; and applying additional rotational force to cause the sample to pass from the second sample chamber through the at least one microfluidic channel extending between the second and first ends and back into the first sample chamber, thereby processing the sample via directional flow.
  17. 17. The method of Claim 16, wherein the biological sample comprises adipose tissue.
  18. 18. A system for processing samples comprising: a processing system comprising: 56 263422/2 a support plate including a plurality of arms, wherein the plurality of arms extends radially from the support plate; a motor, coupled to the support plate and configured to rotate the support plate; and a plurality of carriages, wherein each of the plurality of carriages is arranged on one of the plurality of arms on the support plate, wherein each of the plurality of carriages is positioned co-axially about one of a plurality of axes, wherein each of the plurality of axes axis extends perpendicularly from the arm that the carriage is arranged on, wherein each of the plurality of carriages is configured to receive a microfluidic chip and at least one sample chamber for receiving a sample for processing, and wherein each of the plurality of carriages is rotatable about one of the plurality of axes; an encasement comprising a body portion and a cover, wherein the body portion is configured to receive the processing system, and wherein the cover is disposed over the body portion and is configured to seal the processing system within the body portion and protects a user from the system for processing samples; and a spin stand comprising: a motor; an externally threaded rod attached to the motor, wherein rotation of the motor rotates the externally threaded rod; and a plate comprising a plurality of engagement structures for retaining a syringe, wherein the plate is attached to a bearing having an internal thread, the internal thread configured to engage with the external thread of the rod, wherein rotation of the motor is configured to raise or lower the plate in a vertical direction, 57 263422/2 wherein the syringe comprises: a chamber having an opening configured to fluidly connect to the at least one sample chamber, and a plunger disposed within the chamber, wherein advancing and withdrawing the plunger evacuates and intakes the sample for processing, and wherein the plate retains a distal end of the plunger and movement of the plate in a vertical direction lower or raises the plunger within the chamber of the syringe to evacuate or intake the sample for processing.
  19. 19. The system for processing samples of Claim 18, wherein the rotary motor is attached to the cover of the encasement.
  20. 20. The system for processing samples of Claim 18, wherein the rotary motor is located external of the encasement.
  21. 21. A system for processing samples according to any one of Claims 18 to 20, wherein the plate is circular.
  22. 22. A system for processing samples according to any one of Claims 18 to 20, wherein the plate comprises a ring attached to the bearing by a plurality of arms.
  23. 23. A system for processing samples according to any one of Claims 18 to 20, wherein the plate comprises a central circular plate and a co-axial ring.
  24. 24. A method for processing samples comprising: providing a sample in at least one sample chamber; inserting the sample chamber into at least one of a plurality of carriages, 58 263422/2 wherein the sample chamber is fluidly connected to a microfluidic chip comprising at least one microfluidic channel, wherein one of the plurality of carriages is attached to a support plate, the support plate configured to rotate about a first axis, and wherein the at least one of the plurality of carriages is configured to rotate about a second axis, the second axis parallel to the first axis; and securing a syringe to the sample chamber, wherein an opening of the syringe is fluidly connected to the sample chamber and a distal end of a plunger of the syringe is removably attached to a plate, wherein the plate is attached to a motor and is configured to be rotatable and movable in a vertical direction, and wherein movement of the plate in a vertical direction lowers or raises the plunger within a barrel of the syringe to evacuate or intake the sample for processing within the sample chamber; and rotating the support plate about the first axis, wherein the rotation is configured to drive the sample from the sample chamber through the at least one microfluidic channel in a first direction away from the sample chamber.
  25. 25. The method for processing samples of Claim 24, further comprising lowering the plate in a vertical direction such that the plunger is lowered within the barrel of the syringe to evacuate the sample for processing into the sample chamber.
  26. 26. The method for processing samples of Claim 25, further comprising raising the plate in a vertical direction such that the plunger is raised within the barrel of the syringe to remove the sample for processing from the sample chamber.
  27. 27. A method for processing samples according to any one of Claims 24 to 26, further comprising rotating the at least one of the plurality of carriages about the second axis into a second orientation. 59
IL277286A 2020-09-10 2020-09-10 A dosing pump IL277286B (en)

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PCT/IL2021/051100 WO2022054059A1 (en) 2020-09-10 2021-09-09 A dosing pump

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CN115843522A (en) * 2022-12-19 2023-03-28 福州永润灌溉设备有限公司 Proportional fertilization pump

Citations (4)

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Publication number Priority date Publication date Assignee Title
WO1996005428A1 (en) * 1994-08-16 1996-02-22 Frank And Robyn Walton 1990 Family Trust Direct action fluid motor and injection pump
US5505224A (en) * 1993-07-05 1996-04-09 Societe Civile De Recherche Ody Device for controlling piston displacement and pump including same
EP1664517B1 (en) * 2003-09-05 2008-02-13 Inergy Automotive Systems Research (SA) Dosing pump for a liquid fuel additive
EP1869321B1 (en) * 2005-03-09 2018-04-25 Dosmatic USA, Inc. Liquid additive injection pump with mixing chamber and one way valve

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Publication number Priority date Publication date Assignee Title
IT1398982B1 (en) * 2010-03-17 2013-03-28 Etatron D S Spa PISTON STROKE CONTROL DEVICE FOR A DOSING PUMP FOR AUTOMATIC ADJUSTMENT OF THE HIGH PERFORMANCE FLOW RATE.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5505224A (en) * 1993-07-05 1996-04-09 Societe Civile De Recherche Ody Device for controlling piston displacement and pump including same
WO1996005428A1 (en) * 1994-08-16 1996-02-22 Frank And Robyn Walton 1990 Family Trust Direct action fluid motor and injection pump
EP1664517B1 (en) * 2003-09-05 2008-02-13 Inergy Automotive Systems Research (SA) Dosing pump for a liquid fuel additive
EP1869321B1 (en) * 2005-03-09 2018-04-25 Dosmatic USA, Inc. Liquid additive injection pump with mixing chamber and one way valve

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