F16K99/0049

ELECTROMECHANICAL POLYMER PUMPS
20190072086 · 2019-03-07 ·

A motor-less pump includes: (a) a housing having an inlet provided to allow fluid flow into the housing and an outlet provided to allow fluid flow out of the housing; (b) an elastic diaphragm positioned in the housing such that motion in the elastic diaphragm drives the fluid flows at the inlet and the outlet of the housing; and (c) one or more electromechanical polymer (EMP) actuators each being provided on a surface of the elastic diaphragm, wherein the mechanical responses to electrical stimuli applied on the EMP actuators cause the motion in the diaphragm. The EMP actuators may include one or more bimorphs.

Electromechanical polymer pumps
10125758 · 2018-11-13 · ·

A motor-less pump includes: (a) a housing having an inlet provided to allow fluid flow into the housing and an outlet provided to allow fluid flow out of the housing; (b) an elastic diaphragm positioned in the housing such that motion in the elastic diaphragm drives the fluid flows at the inlet and the outlet of the housing; and (c) one or more electromechanical polymer (EMP) actuators each being provided on a surface of the elastic diaphragm, wherein the mechanical responses to electrical stimuli applied on the EMP actuators cause the motion in the diaphragm. The EMP actuators may include one or more bimorphs.

DEVICE FOR PNEUMATICALLY ADJUSTING A SEAT IN A MEANS OF TRANSPORT
20180222370 · 2018-08-09 ·

The invention relates to a device for the pneumatic adjustment of a seat in a means of transport, in particular in a motor vehicle, comprising one or more cushions (3) which can be filled with air and which are connected via one or more valves (1) to a compressed-air supply (2), and a control device for the actuation of the one or more valves (1) for the purposes of changing the filling state of the one or more cushions (3). The device according to the invention is characterized in that a respective valve (1) of at least some of the valves (1) comprises one or more actuation elements (4) composed of electroactive polymer, to which an electrical voltage can be applied. By application of the electrical voltage, a respective actuation element (4) is deformed, and in this way, one or more passage openings (6, 6) via which an exchange of compressed air with at least one cushion (3) takes place is or are opened up or shut off.

LARGE SCALE INTEGRATION OF HAPTIC DEVICES
20180179051 · 2018-06-28 ·

A method for large scale integration of haptic devices is described. The method comprises forming a first elastomer layer of a large scale integration (LSI) device on a substrate according to a specified manufacturing process, the first elastomer layer having a plurality of fluid based circuits, the first elastomer layer adhering to a plurality of formation specifications. The method further comprises curing the first elastomer layer. Additionally, one or more additional elastomer layers of the LSI device are formed with the first elastomer layer according to the specified manufacturing process, the one or more additional elastomer layers having a plurality of fluid based circuits, the one or more additional elastomer layers adhering to the plurality of formation specifications.

ELECTROACTIVE MATERIAL FLUID CONTROL APPARATUS
20180149288 · 2018-05-31 · ·

An electroactive material fluid control apparatus (100) is provided. The electroactive material fluid control apparatus (100) comprises a layered assembly (110) comprised of a dielectric layer (120) disposed between a first plate (130) and a second plate (140). The electroactive material fluid control apparatus (100) also includes a first fluid port (130a, 130b) formed in an outer surface of the layered assembly (110), and at least one fluid control device (200, 300, 400, 500) comprised of an electrode (212-512) disposed between the first plate (130) and a dielectric deformable material (214-514), wherein the electrode (212-512) is attached to the dielectric deformable material (214-514). The at least one fluid control device (200, 300, 400, 500) is fluidly coupled to the first fluid port (130a, 130b) via a fluid path (127, 128) in the dielectric layer (120) and the electrode (212-512) is coupled to a connector (150) that extends away from the layered assembly (110) in a direction parallel to the dielectric layer (120).

Electronic Circuitry for a Valve for the Transfer of an Optically-Active Fluid from a First to a Second Reservoir
20180143423 · 2018-05-24 ·

A transfer circuitry, e.g. in a display system, electrically generating a transfer-gradient along which an optically-active fluid is transferred via a valve from a first reservoir to a second reservoir and a valve-control circuitry providing a voltage to change the valve's shape from a first shape when it is closed to a second shape when it is open.

Electrorheological Fluid Structure with Attached Conductor and Method of Fabrication
20170150780 · 2017-06-01 ·

A polymeric housing may have a channel defined therein. A first conductive trace may at least partially coincide with the channel. A first wire may have a first conductor surrounded by a first insulating jacket. The first conductor may be in electrical communication with the first conductive trace. A jacket bonding region of the first jacket may be welded to a housing bonding region of the housing. The jacket bonding region and the housing bonding region may be formed from a common type of polymer.

Wearable glove with a plurality of fluidic actuators and a plurality of fluidic control devices and system of use thereof

A wearable glove for interacting with virtual objects in an artificial-reality environment is described herein. The wearable glove comprises 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 of the plurality of voids included in the matrix. The wearable glove further comprises at least one fluidic control device coupled to the at least one fluidic actuator. The at least one fluidic control device provides (i) a first fluid pressure to the at least one fluidic actuator, which causes the at least one fluidic actuator to enter a high-pressure state and (ii) a second fluid pressure to the at least one fluidic actuator, which causes the at least one fluidic actuator to enter a low-pressure state.

Electrorheological fluid structure with attached conductor and method of fabrication
12446659 · 2025-10-21 · ·

A system for a footwear sole component to control an incline in between a footbed and an outsole. An incline adjuster is positioned between the footbed and the outsole. The incline adjuster has a polymeric housing having a first fluid chamber, a second fluid chamber, and a fluid transfer channel; a controller having a processor, a memory, an inertial measurement unit (IMU), and a low energy wireless communication module. The controller determines whether forces from a wearer foot on the first fluid chamber and on the second fluid chamber are creating a pressure within the first fluid chamber that is higher than a pressure within the second fluid chamber, or vice versa.