F16K2099/008

WEARABLE GLOVES INCLUDING A FABRIC MATERIAL WORN BY A USER, A POSITION SENSOR, AND A MATRIX WITH A PLURALITY OF VOIDS THAT EACH INCLUDE AT LEAST ONE FLUIDIC ACTUATOR
20220187920 · 2022-06-16 ·

A wearable glove for interacting with virtual objects is described herein. An example wearable glove includes a fabric material to be worn on a user's hand. The wearable glove also includes a matrix made of an elastic polymer, the matrix including a plurality of voids, each respective void (i) including at least one fluidic actuator and (ii) not being fluidically coupled with a positionally adjacent void. The wearable glove additionally includes a non-fluidic actuator configured to restrict movement of one of the user's digits; and one or more position sensors for monitoring positional data used to a determine a position of the wearable glove within a three-dimensional space. The wearable device can control the at least one fluidic actuator and the at least one non-fluidic actuator to simulate real-world interactions in the artificial-reality environment based on the position of the wearable device as compared to respective positions of virtual objects.

R2R microelectromechanical gas concentrator
11331618 · 2022-05-17 · ·

Disclosed are techniques such as roll to roll processing to produce membrane valves in microelectromechanical systems that are integrated with micro-pumps that include a pump body having compartmentalized pump chambers. One application of this technology is as a valve assembly for a gas concentrator that includes a first micro pump for feeding an input gas stream, a second micro pump to supplying a vacuum and at least one sieve bed having a zeolite. The gas concentrator uses the valve assembly for controlling entry of gas from the first micro pump into the sieve bed and the second micro pump to vent.

MICROFLUIDIC COMPONENT WITH METAL LAYER STACK AND FLUID CONDUIT ELEMENT MADE OF ANOTHER MATERIAL BONDED WITH IT
20230256439 · 2023-08-17 ·

A microfluidic component for a sample separation device includes a layer body with multiple metal layer structures that are connected with each other, and an element made of a material different from the metal layer structures, which includes at least one microfluidic structure and is bonded with the layer body.

Three-way piezoelectrically-actuated microvalve device and method of fabrication

A three-way (3-way) Micro-Electro-Mechanical Systems (MEMS)-based micro-valve device and method of fabrication for the implementation of a three-way MEMS-based micro-valve which uses a single piezoelectric actuator. The present invention has a wide range of applications including medical, industrial control, aerospace, automotive, consumer electronics and products, as well as any application(s) requiring the use of three-way micro-valves for the control of fluids. The present invention allows for the implementation of a three-way microvalve device and method of fabrication that can be tailored to the requirements of a wide range of applications and fluid types. The microvalve may employ a novel pressure-balancing scheme wherein the fluid pressure balances the actuator mechanism so that only a small amount of actuation pressure (or force) is needed to switch the state of the actuator and device from open to closed, or closed to open.

Microfluidic device for controlling pneumatic microvalves
11313489 · 2022-04-26 · ·

Example embodiments relate to microfluidic devices for controlling pneumatic microvalves. One embodiment includes a microfluidic device for independently controlling a plurality of pneumatic microvalves. The microfluidic device is couplable to a pressure source. The microfluidic device includes a first substrate. The microfluidic device also includes a flexible membrane covering the first substrate. Additionally, the microfluidic device includes a second substrate covering the flexible membrane. Further, the microfluidic device includes one or more fluidic channels at least partially defined in the first substrate. In addition, the microfluidic device includes a pressure couplable to the pressure source and branching into a plurality of pressure channels. Still further, the microfluidic device includes at least one pressure control switch per pressure channel.

MULTIPLE SAMPLE CHANNEL DEVICE FOR LIQUID CHROMATOGRAPHY

Described is a multi-channel fluidic device that includes a diffusion-bonded body having a device surface and a plurality of fluid channels. Each fluid channel includes a channel segment defined in a plane that is parallel to the device surface and parallel to each of the planes of the other channel segments. The plane of each channel segment is at a depth below the device surface that is different from the depth below the device surface for the other planes. Each channel segment may have a volume equal to the volume of each of the other channel segments. One of the fluid channels may include a plurality of channel segments serially connected to each other and each defined in a plane that is different from the planes of the other channel segments.

FLUIDIC DEVICE AND SYSTEM

An object of the present invention is to provide a flow path device capable of suppressing an occurrence of air bubbles when a solution is introduced into a flow path. A fluidic device has a pair of substrates which are stacked in a thickness direction, one substrate including a flow path formed by being covered with the other substrate. The flow path includes a merging/branching portion which is surrounded by a contour which is configured to match each line segment connecting together apex positions of an equilateral triangle as viewed in the thickness direction or a contour parallel to each line segment and in which solution merges or branches. A valve which is configured to regulate flow of a fluid in the flow path is provided in at least two of the apex positions.

Three-way piezoelectrically-actuated microvalve device and method of fabrication

A three-way (3-way) Micro-Electro-Mechanical Systems (MEMS)-based micro-valve device and method of fabrication for the implementation of a three-way MEMS-based micro-valve which uses a single piezoelectric actuator. The present invention has a wide range of applications including medical, industrial control, aerospace, automotive, consumer electronics and products, as well as any application(s) requiring the use of three-way micro-valves for the control of fluids. The present invention allows for the implementation of a three-way microvalve device and method of fabrication that can be tailored to the requirements of a wide range of applications and fluid types. The microvalve may employ a novel pressure-balancing scheme wherein the fluid pressure balances the actuator mechanism so that only a small amount of actuation pressure (or force) is needed to switch the state of the actuator and device from open to closed, or closed to open.

Methods of fabricating micro-valves and jetting assemblies including such micro-valves

A method of constructing a micro-valve includes providing a substrate for an actuating beam of the micro-valve, the substrate including a first surface and a second surface. The method also includes forming a plurality of constituent layers on the first surface of the actuating beam, including a layer of piezoelectric material. The method also includes removing a portion of the substrate from at least one of the first surface or the second surface to define a cantilevered portion of the actuating beam. The method also includes providing an orifice plate including an orifice. The method also includes providing a valve seat on a surface of the orifice plate, the valve seat having an opening aligned with the orifice. The method also includes attaching the surface of the orifice plate to the second surface via an adhesive such that an overlapping portion of the cantilevered portion overlaps the orifice.

MICROFLUIDIC SYSTEMS FOR MULTIPLE BIOREACTORS AND APPLICATIONS OF SAME
20230338949 · 2023-10-26 ·

A fluidic system includes a fluid distribution network, and a fluid collection and sampling network; a plurality of fluidic modules fluidically coupled between the fluid distribution network and the fluid collection and sampling network in parallel; a systemic circulation and mixing reservoir; and a first pump, and a second pump, wherein the first pump is fluidically coupled between the systemic circulation and mixing reservoir and the fluid distribution network for withdrawing media from the systemic circulation and mixing reservoir and delivering the media to the fluid distribution network; and wherein the second pump is fluidically coupled between the fluid collection and sampling network and a sample vial for withdrawing effluent of the plurality of fluidic modules from the fluid collection and sampling network and delivering the effluent to one or more sample vials.