227results about "Movable measuring chambers" patented technology

A 3D printing system build material supply unit includes a tray with an opening that defines a spreading plane in which a recoater spreads build material. A double vane is rotatably mounted inside the tray with the rotation axis extending along the tray below the spreading plane and with each vane having convex front and rear sides. A controller controls rotation of the double vane such as to supply a dose of build material with the front side of one vane to the spreading plane by rotating the double vane into a trimming position in which the front side of the one vane approaches the spreading plane such that the dose of build material is enclosed between the front side of the vane and the spreading plane. Excess build material to be trimmed by the recoater accumulates on the other vane rear side and is lowered into the tray.

A metering assembly for distribution of agricultural product includes a transfer chamber having an open upper end for receiving product into a chamber interior, and a chamber width extending along a lateral axis. The metering assembly further includes a plurality of metering devices coupled to the transfer chamber. Each metering device has a rotary propelling member with a protruding portion that protrudes into the chamber interior and a meter outlet external the chamber. The metering devices are arranged in pairs, each pair including a first metering device of the plurality of metering devices and a second metering device of the plurality of metering devices. The protruding portions of the first and second metering devices of each pair are spaced apart from one another on opposite sides of the lateral axis.

A medical cartridge dispenser has a storage container structured to retain a plurality of medical cartridges in use; a cartridge singulator; and a user proximity sensor connected to trigger the cartridge singulator to dispense a medical cartridge from an outlet of the storage container. In one method the presence of a user's hand is sensed in an activation zone adjacent a medical cartridge dispenser. A cartridge singulator is triggered to advance a single medical cartridge, from a plurality of medical cartridges retained within a storage container, through an outlet.

The present invention relates to a metering device for dispensing bulk material, comprising a selectively actuated closure. The present invention also relates to an assembly for use in such a metering device and / or adapted for use in such a metering device. Furthermore, the invention relates to a method for selectively actuating a closure of a metering device for dispensing bulk material.

A portable milk powder container having a metered dispensing function, which can be used for storing milk powder and dispensing milk powder in a predetermined amount. The integrated design facilitates carrying during travel, thereby meeting the requirements of device sealing, metered use and portability, and improving the convenience and use experience of the milk powder container. The product comprises a tank body and a metered dispensing apparatus, wherein the metered dispensing apparatus is evenly mounted on the tank body; the metered dispensing apparatus further comprises a discharge assembly, a metered dispensing assembly and a positioning assembly; a working cavity passes through the tank body; a threaded hole is formed on a storage apparatus; the tank body passes through the threaded hole and a sealing apparatus, so as to achieve threaded connection for metered dispensing; and a connecting end of the discharge assembly is connected to a connecting end of the metered dispensing assembly. By rotating the discharge assembly, food in the tank body enters the metered dispensing assembly, and the milk powder can be poured out of the milk powder container by opening a top cover and turning over a bottle body, thereby avoiding the problem of time and labor consuming caused by the fact that when a certain amount of food needs to be consumed, the food needs to be taken out and then weighed.

Systems and methods for analysing a fluid are disclosed, including a fluid sample delivery apparatus. The system includes a sensing element configured to respond to at least one analyte in a sample of fluid. A detector is provided, configured to sense the response to the analyte by the sensing element. The fluid sample delivery apparatus includes a dosage needle configured to deliver the sample of fluid to the sensing element, at least one pump configured to control flow of fluid through the dosage needle, and at least one actuator configured to move the dosage needle relative to the sensing element. At least one controller is provided, configured to control the at least one pump and the at least one actuator.

Method for monitoring a state in a device (1) for metering and / or transferring material (53), wherein the device (1) has a stationary housing (3) with an inlet side (4) for supplying the material (53) and an outlet side (5) for dispensing metered quantities of the material (53), and a metering unit (7) with a metering chamber (12), and the method comprises the following steps: i) transferring the metering chamber (12) into a state temporarily closed with respect to the inlet side (4) and the outlet side (5), wherein the metering chamber (12) is bounded by at least one wall element (11) of the metering unit (7); ii) introducing a fluid, in particular a gas, into the metering chamber (12) in the closed state by means of a pressure generation unit (16) in order to increase the pressure (P) in the metering chamber (12); iii) Measuring the pressure (P) in the dosing chamber (12) with a pressure measuring unit (17);and iv) Determining the state of the device based on the measured pressure (P), in particular based on a pressure profile (27a, 27b).;

The dosing device is primarily designed for sugar, allowing for precise dosing. It is characterized by the fact that the dosing device is equipped with three stacked plates with three equally spaced holes, ensuring the precise transport quantity (Fig. 2-4 / P1 - P7).

A metering device with a rotor inside a housing configured to isolate an upstream source, such as a reactor, form an output to atmosphere. The rotor rotates within the housing. The plate is placed within the housing between the rotor and the top of the housing and between the rotor and the bottom of the housing. The plate has a port through which steam passes to clear process fluid from the cylinder to the output. Steam regulates the temperature of the actuator and the components. Steam also activates the plate to improve the seal between the plate and the rotor

To provide a technique capable of automatically measuring the specific volume of powder during processing.SOLUTION: A specific volume measurement system includes: a powder feeder that continuously discharges powder of a specified volume from the discharge port based on a cross-sectional area formed of an upper surface of an outer peripheral edge, a peripheral wall surface of a peripheral wall, a lower surface of a partition plate, and a side surface of a cylindrical body and the number of concentric rotations; and a control unit that is configured to operate the powder feeder under the condition that at least, an inclination angle of an agitator blade to a horizontal plane is set according to physical characteristics of the powder and the agitator and a feed plate rotate at the same rotation speed, calculate a differential weight value, which is the difference between two weight values acquired at periodic intervals via a weight sensor, and calculate a specific volume of the powder based on the differential weight value, a unit volume of the powder discharged from the discharge port of the powder feeder per unit rotation of the feed plate, and the number of rotations in a given periodic interval.SELECTED DRAWING: Figure 1

The application belongs to the technical field of waist wheel flow meters, and discloses a flow detection device for a quantitative filling machine, which comprises a shell one, the front surface of the shell one is fixedly connected with a display, the upper part of the back surface of the display is fixedly connected with a counting receiver, and the middle part of the inner cavity of the shell one is movably sleeved with a waist wheel one. The application detects small amplitude changes through the setting of a branch transition pipe. Since the initial pressure is insufficient when the machine just starts to work, the liquid flows through the branch pipe shell through the branch transition pipe. The inner wall of the branch pipe shell is inclined to the rotating plate at a certain angle, so that when the liquid flows, the liquid deflection flow pushes the movable shaft to rotate, and then feeds back to the counting receiver. The corresponding end faces of the supporting permanent magnet and the feedback permanent magnet are of the same level and repel each other, so that the feedback permanent magnet is always not in contact with the supporting permanent magnet, and the friction caused by rotation is reduced.

A dosing station for a packaging machine for infusion product pods comprises a supply line (2) for supplying a granular or powdered infusion product provided with at least one receptacle (6) provided with at least one opening (6a), a conveyor (3) provided with a plurality of receiving seats (5) sized to receive a predefined amount (Q) of the infusion product, and a filling unit (4) configured to pick up the predefined amount (Q) of infusion product from the receptacle (6) and release it into at least one receiving seat (5) of the conveyor (3). A recovery unit (14) for the exceeding infusion product (EP) is provided having a first suction unit (15) associated with the transfer unit (4) and configured to suck the exceeding infusion product (EP).

A dosing apparatus includes a doser mechanism that discharges an index amount of a granular material based on drawing the granular material from an intake hopper. A drop-down device is coupled between the intake hopper and a supply hopper and enables enable a flow of the granular material from the supply hopper to the intake hopper through a conduit. The drop-down device restricts a flow rate of the flow of granular material through the conduit based on directing the flow around a slat extending into the conduit. The slat has an upper slat surface that is angled downwards at an inclination angle that may correspond to an angle of repose of the granular material.

A microdosing device and a method for dispensing droplets from a plurality of nozzles are presented. The microdosing device comprises a cartridge in which at least part of a dosing chamber and the plurality of nozzles are formed, the dosing chamber being fluidically connected to a fluid inlet and the plurality of nozzles. The microdosing device further comprises an actuator configured to change the volume of the dosing chamber in order to eject a droplet from each of the plurality of nozzles, and a pressure sensor configured to generate a pressure signal dependent on a pressure in the dosing chamber. The microdosing device also includes a fluid reservoir fluidically connected to the fluid inlet and a pressure control device separately from the actuator, configured to control the pressure in the fluid reservoir based on the pressure signal.

Disclosed is a dosing device (1) for packaged liquids, suitable for placing in the neck (18) of a container (6) which has an opening (15) and contains a packaged liquid. The dosing device comprises, in a single structure: a cylinder (2), which is open at the top, forming an upper opening (3), and which has an external diameter adapted to the internal diameter of the neck (18) of the receiving container (6) in which it is inserted and secured; and a vessel (1bis) which is inclined with respect to the cylinder (2), closed at the bottom, open at the top and connected to the opening (3) of the cylinder (2). The vessel (1bis) comprises a hole (4) in the side that forms an obtuse angle with respect to the axis of the cylinder (2), such that a dose (11) of the packaged liquid can be introduced into the vessel (1bis) through the hole (4) by tilting the closed container (6) above the horizontal axis, the dose (11) can be measured by positioning the container vertically, and the dose (11) contained in the vessel (1bis) can be poured by tilting the open container (6) below the horizontal axis.

An apparatus for dosaging a particulate material comprises, at least in operation, a cavity having an inlet opening facing upwardly for receiving the material from an external source, an outlet opening facing downwardly, for disposing therethrough dosages of the material; and a dosage feeder located inside the cavity and having at least one dosage recess, the dosage feeder being movable in a pre-determined direction inside the cavity for exposing the recess to the inlet opening for forming therein a discrete dosage of the material and further moving the recess towards the outlet opening for disposing therethrough the dosage for its further use. The apparatus can comprise one or more of the following features: a position indicator for producing signals indicative of position of the at least one recess at least with respect to the outlet opening; at least one cleaning member having a cleaning area and mounted so that at least during the movement the cleaning area is in contact with, and is moved relative to, at least one surface of at least one of the cavity and the dosage feeder, to at least reduce accumulation of the material on this surface; a reference area outside the cavity movable so that the position of the reference area during its movement is fully correlated with the position of the at least one recess during the movement of the dosage feeder; or two non-recessed zones on the dosage feeder disposed at two sides of the recess, at least one of which has a minimal dimension in the direction, which is greater than at least a majority of a corresponding dimension of the outlet opening.

The invention discloses a metering distribution valve. The metering distribution valve comprises a valve body. The valve body main body is a main part of the metering distribution valve and is used for controlling and implementing feeding and discharging of the metering distribution valve; the valve body main body is provided with a feeding port and a valve body feeding flow channel and is connected with an external feeding pipeline, and a liquid material enters the valve body main body from the outside through the feeding port and the valve body feeding flow channel; the valve body main body comprises an electromagnetic valve, a first material channel, a second material channel and one or more mutually independent closed cavities; the electromagnetic valve controls the flow direction of liquid entering the valve body through opening and closing. The first material channel and the second material channel are connected with the valve body feeding runner through the electromagnetic valve; and the first material channel and the second material channel are both connected with the closed cavity. The invention further discloses a liquid material quantitative metering method and application.

An open unit housing is configured for removably and rotatably mounting therein at least a dosage feeder of a dosaging apparatus for dosaging a particulate chemical material when mounted above a body of a liquid material, with an interior of the open unit housing being exposed to ambient conditions. The open unit housing comprises a housing body portion having an interior surface defining a cavity exposed to ambient conditions and having an inlet opening facing upwardly for receiving the chemical material from an external source, and an outlet opening for disposing therethrough dosages of the chemical material. The housing body portion has a front end and an axially opposite rear end, the front and rear ends having inner surfaces that bound the cavity. The rear end has a rear opening configured to allow removable mounting of the dosage feeder therethrough into the cavity, and the front end has a front opening configured to allow a front moving member of the dosage feeder to extend therethrough to be connected to a driving member of the apparatus.

The microminiature circular gear flowmeter comprises a circular gear flowmeter body, a mounting pipe is connected to the water inlet end of the circular gear flowmeter body, a mounting ring is fixed to the middle of the inner wall of the mounting pipe, a filtering piece is mounted at the mounting ring, and a water injection opening is formed in the position, close to the circular gear flowmeter body, of the top of the outer wall of the mounting pipe. A manual valve is fixed to the top of the water injection opening, a discharging opening is formed in the position, away from the circular gear flow meter, of the bottom of the outer wall of the mounting pipe, a mounting sleeve frame is fixed to the bottom of the discharging opening, a plugging assembly is mounted in the mounting sleeve frame, the filtering piece comprises a filtering net cover and a side ring, and the side ring is fixed to the edge of the filtering net cover. Mounting holes are formed in the side ring and the mounting ring at equal intervals, and the mounting ring and the side ring are fixed through bolts and nuts. The interference of entering of impurities on the circular gear flow meter is effectively reduced, and the effects of cleaning and discharging the impurities can be achieved without disassembly.

The invention discloses a rotary wing type volume flow meter, which relates to the technical field of fluid measurement and comprises a meter shell and a meter cover, the meter cover is in threaded connection with the meter shell, and a volume adjusting assembly is arranged in the meter shell; through cooperation of the container and the clamping head, in the circulation that the container collects fluid with a certain weight to drive the barrel to rotate by 90 degrees, the barrel and the container are driven to rotate by means of the weight of the fluid in the container, and the condition that intermittent fluid passes through a pipeline is better adapted; through cooperation of the shifting pieces and the pressing type switch, when the container drives the barrel to rotate under the action of fluid weight, one shifting piece makes contact with the protruding position of the pressing type switch and extrudes the protruding position, and when a worker carries out meter detection at set intervals, the working efficiency is greatly improved. The flow of the intermittent fluid in the period of time is calculated according to the time interval of meter detection and the number of times that the pressing type switch is pressed, so that the flow calculation requirement when the intermittent fluid passes through the pipeline is better met.

The present disclosure relates to a single-phase flow measurement method and device, electronic equipment, storage medium and instrument, and relates to the field of well logging technology. The single-phase flow measurement method includes: initializing a first cavity and a second cavity connected to the first cavity, so that the first cavity and the second cavity are in a water phase state; controlling the rotation of the first cavity and the second cavity in the water phase state according to a plurality of preset positions, and in the rotation process, by controlling the positional relationship between the liquid inlet of the first cavity and the liquid outlet of the second cavity, and then using a flow guide mechanism installed between the liquid inlet and the liquid outlet to regulate the content of the oil phase and the water phase of the first cavity and the second cavity; in the regulation process, using an array conductivity sensor arranged on the flow guide mechanism to respectively determine the oil phase change law and the water phase change law. The embodiment of the present disclosure can realize the single-phase flow measurement of oil and water.

A method is for producing individual dosing quantities of a powdered product via a drum dosing device. A dosing drum has a dosing opening on its circumference. In an ejection position, an ejection process is effected, the dosing opening being subjected to a positive pressure and the dosing quantity being thereby ejected from the opening, and an associated ejection reference time-point being determined. The individual mass of an ejected dosing quantity and an associated measurement reference time-point are determined via the measuring device. An actual time period is ascertained from the difference between the measurement reference time-point and the ejection reference time-point and compared with a specified time period. In dependence on the comparison, an adaptation of the positive pressure for a subsequent ejection process is performed such that the level of the positive pressure is increased if the actual time period is too great.

The utility model provides a stainless steel scraper flowmeter which comprises a flowmeter body provided with an electric appliance box at the top, a first protective cover and a second protective cover are symmetrically arranged at the top of the flowmeter body, a clamping block is arranged on the second protective cover, and a clamping groove for the clamping block to be inserted is formed in the first protective cover. Locking mechanisms used for locking the clamping blocks inserted into the clamping grooves are symmetrically arranged on the two sides of the inner walls of the clamping grooves. During use, the inverted-T-shaped sliding block is guided and limited through the inverted-T-shaped sliding groove, so that movement of the first protective cover and the second protective cover is guided and limited, when the first protective cover and the second protective cover are close to each other, the clamping block is gradually inserted into the clamping groove, and then the clamping block is locked in the clamping groove through the locking mechanism; the first protective cover and the second protective cover are installed in a clamping mode, then clamping installation of the first protective cover and the second protective cover is completed, the electric appliance box is protected, the installation steps of the first protective cover and the second protective cover are simple, the workload of people is greatly reduced in actual use, and the practicability of the device is improved.

Dosing device for dosing bulk material, with a selectively operable closure, the dosing device comprising - a discharge member rotatably arranged within a conveying channel for conveying the bulk material within the conveying channel along a conveying direction towards an outlet opening of the conveying channel, wherein the discharge member has a shaft which is mounted beyond the outlet opening in the conveying direction, or is connected to such a shaft, and - a closure element movable between an operating position and a closure position along a movement path for at least partially closing the outlet opening, wherein the shaft extends through the closure element.

Described is a dosing device for depositing doses of product on a continuous strip (S) of filter paper at predetermined distances from each other; the device (100) comprising a dosing chamber (1) configured to receive a product from a feeding hopper (2); a rotary drum (3) configured for rotating about an axis (X) of rotation along a direction (V) of rotation and comprising a plurality of dosing drawers (4); the dosing drawers (4) are positioned along a circular surface of the rotary drum (3) at predetermined distances from each other and configured for receiving the product along an angular loading path (P1) corresponding to a transit zone of the rotary drum (3) facing and in communication with the dosing chamber (1); a first screw feeder (5) housed inside the dosing chamber (1) and having an axis of rotation (X1) positioned tangentially to the rotary drum (3); the first screw feeder (3) is configured for moving the product inside the dosing chamber (1) in a tangential direction (V1), a second screw feeder (7) housed inside the dosing chamber (5) and having an axis (X2) of rotation positioned radially relative to the rotary drum (3); the second screw feeder (7) is configured for moving the product along a radial direction (V2) towards one of the dosing drawers (4) of the rotary drum (3).