F16K99/0059

Micro-valve

Provided is a micro-valve having a laminate structure capable of improving sealing performance when a foreign substance is mixed. The micro-valve 10 has a laminate structure and includes a base layer 20 and a diaphragm layer 30. The base layer is formed with an inlet port 23 for introducing a gas into the micro-valve and an outlet port for allowing the gas to flow outside. The diaphragm layer is arranged to face the base layer. The diaphragm layer switches the flowing and blocking of the gas from the inlet port to the outlet port by elastic deformation thereof. The diaphragm layer has a configuration in which a plurality of deformation regions 33 and a plurality of rigid body regions 34 are alternately formed, the deformation region being elastically deformable in accordance with an inflow of a pneumatic fluid into the micro-valve. The diaphragm layer closes at least one of the inlet port and the outlet port by elastic deformation of at least a part of the plurality of deformation regions.

Linear valve arrays
09731266 · 2017-08-15 · ·

The invention provides systems, devices, methods, and kits for performing an integrated analysis. The integrated analysis can include sample processing, library construction, amplification, and sequencing. The integrated analysis can be performed within one or more modules that are fluidically connected to each other. The one or more modules can be controlled and/or automated by a computer. The integrated analysis can be performed on a tissue sample, a clinical sample, or an environmental sample. The integrated analysis system can have a compact format and return results within a designated period of time.

Fluidic manifold cartridge system
11453004 · 2022-09-27 · ·

A fluidic manifold cartridge includes a plurality of source fluid inlets and fluid outlets. A plurality of fluid input flow channels are provided. Each fluid inlet is in fluid communication with a fluid input flow channel. Each fluid input flow channel directs fluid from the fluid inlet past a plurality of valves. A plurality of fluid output flow channels are in fluid communication with a fluid outlets. Each valve includes a valve seat, a portion of membrane, and a control fluid opening. Each valve has an open and closed condition. The valve in the open condition directs fluid from a fluid input flow channel to a fluid output flow channel. The control fluid opening directs control fluid to move the membrane so as to change the valve between the open and closed conditions. Systems and methods for fluidic manifold are also disclosed.

SELECTIVE LASER ETCHING OF LAYERED FLUIDISTORS
20210397259 · 2021-12-23 ·

A method includes separately exposing selected portions of a first rigid substrate and a second rigid substrate to laser radiation, selectively etching the exposed portions of the first rigid substrate and the second rigid substrate using a chemical etchant and bonding the first rigid substrate to the second rigid substrate along a common interface to form a fluidic valve. The fluidic valve may be coupled to a fluidic haptics device, for example, which may be integrated into an artificial reality system.

HYDRAULIC MICROVALVE
20210388922 · 2021-12-16 ·

A miniaturized hydraulic valve having a valve chamber arranged in a housing having an inlet and an outlet, wherein a wall includes a shifting member movable in the direction of the inlet and/or the outlet, and wherein a fluid-filled drive chamber is arranged on an opposite side of the wall, which is connected to a micropump in such a way that the shifting member can be actively deflected by fluid which can be pressurized by means of the micropump, so that its position can be changed relative to the inlet and/or outlet.

Microfluidic valves, systems, and related methods

The disclosed microfluidic valves may include a valve body having at least one cavity therein, a gate transmission element separating the cavity into an input gate terminal and an output gate terminal, a gate port configured to convey drive fluid into the input gate terminal, and a fluid channel. The gate transmission element may include a flexible membrane and a plunger coupled to the flexible membrane. The gate transmission element may be configured to move within the cavity to inhibit a subject fluid flow from an inlet port to an outlet port of the fluid channel upon pressurization of the input gate terminal, and to allow subject fluid flow from the inlet port to the outlet port upon depressurization of the input gate terminal. Various other related systems and methods are also disclosed.

MULTIWELL PLATE WITH INTEGRATED STIRRING MECHANISM

This invention describes a design for a multiwell plate that contains integrated pumps that are used to stir each well of the plate. The device employs microfluidic logic technology to drive each peristaltic pump. This enables the plates to run autonomously, requiring only a static vacuum supply for power. The devices are entirely constructed out of low-cost polymers, with no electronics, and yet contains simple digital logic circuits to control the pumps. A stack of these plates may be run continuously in a standard cell culture incubator, allowing high-throughput culture of organoids.

AGRICULTURAL SAMPLING SYSTEM AND RELATED METHODS
20220196628 · 2022-06-23 ·

An automated computer-controlled sampling system and related methods for collecting, processing, and analyzing agricultural samples for various chemical properties such as plant available nutrients. The sampling system allows multiple samples to be processed and analyzed for different analytes or chemical properties in a simultaneous concurrent or semi-concurrent manner. Advantageously, the system can process soil samples in the “as collected” condition without drying or grinding to produce a sample slurry. The system includes a chemical analysis sub-system which processes and analyzes the prepared slurry for quantifying multiple analytes and/or chemical properties of the sample. The chemical analysis sub-system may be embodied in a multi-layered microfluidic manifold processing substrate comprising microfluidic devices which extract and quantify the concentration of analytes or other chemical parameters associated with the sample. The system can be used to analyze various type of agricultural-related samples including soil, vegetation, manure, milk or other.

Microchip controlling system
11311880 · 2022-04-26 · ·

A microchip controlling system comprises a microchip which is configured by adhesion of an elastic sheet and a plate/sheet member, and on which a flow path is provided as an inadhesive section between the elastic sheet and the plate/sheet member; and a microchip controlling apparatus comprising a valve mechanism which is inflated or deflated so as to control the flow path to be opened or closed.

VALVE SWITCHING SYSTEM FOR SELECTIVELY INTERCONNECTING COMPONENTS OF A BIOPROCESS INSTALLATION
20230294016 · 2023-09-21 ·

A valve switching system for selectively interconnecting components of a bioprocess installation, comprising a valve switching cassette and an actuator block. It is proposed, that the valve switching cassette comprises a perforated sandwich plate with perforation holes, which sandwich plate is placed between the cassette manifold and the actuator block body.