66results about How to "Small internal volume" patented technology

An accommodating intraocular lens includes an optic portion, a haptic portion. The optic portion of the lens includes an actuator that deflects a lens element to alter the optical power of the lens responsive to forces applied to the haptic portion of the lens by contraction of the ciliary muscles and a secondary deflection mechanism. Movement of the lens element by the actuator causes the lens element to deform and the secondary deflection mechanism causes the lens to further deform.

An economical method for manufacturing an electrode assembly of virtually any shape to fit into a similarly shaped casing without compromising volumetric efficiency is described. This is accomplished by providing an electrode assembly of multiplate anode and cathode plates that substantially match the internal shape of the casing. That way, no matter what shape the device being powered by the cell dictates the electrode assembly assumes, as little internal volume as possible is left unoccupied by electrode active materials.

An accommodating intraocular lens includes an optic portion, a haptic portion. The optic portion of the lens includes an actuator that deflects a lens element to alter the optical power of the lens responsive to forces applied to the haptic portion of the lens by contraction of the ciliary muscles and a secondary deflection mechanism. Movement of the lens element by the actuator causes the lens element to deform and the secondary deflection mechanism causes the lens to further deform.

Methods and apparatus for mixing fluids are provided. The devices and methods operate without moving parts, and generate well-mixed fluids over a broad dynamic range of flow rates. Preferred embodiments include junction-type mixers, bundled mixers, and co-axial mixers. The devices and methods are optimized to produce rapid, accurate gradients to improve associated system throughput and reproducibility.

Fluidic cartridges, and manufacture thereof, having a plurality of circuit element subtypes containing pneumatically operated diaphragm members, where the diaphragm materials are selected for yield point, chemical resistance, breathability and other properties individually according to the fluidic element subtype are provided. A process of in-situ edge-bonded decoupage for forming diaphragm members inside a cartridge, and fluidic circuits having diaphragm members as active and passive circuit elements, including pumps, valves, vents, waste receptacles, reagent reservoirs, and cuvettes with optical windows, where the material composition of each individual diaphragm member may be selected from an assortment of materials during manufacture are also provided.

An intragastric obesity treatment implant promotes a feeling of satiety in the patient by contacting the insides of the stomach wall, reducing the space in the stomach, or otherwise reducing the amount of food consumed. One intragastric obesity treatment implant two inflatable balloons coupled via a flow restrictor through which fluid may flow in response to peristaltic motions of a patient's stomach. Additionally, one implant comprises a pumping chamber coupled to a reservoir, where the pumping chamber moves stomach fluids into the reservoir in response to peristaltic motions of the patient's stomach.

A tissue stimulating device that provides a biological stimulation of tissue has a release surface adapted for arrangement adjacent to a tissue to be stimulated. An agent reservoir of the device includes an ionic agent capable of causing a stimulation if present at sufficient high extracellular concentration close to the tissue. An agent releaser is provided in the device for releasing a selected amount of the ionic agent from the agent reservoir to an outside of the release surface at a stimulation occasion for stimulating the tissue. The ionic agent will cause a temporary change in ion permeability of the tissue cell membranes and a depolarization of the tissue cells.

An evaporator with a cool storage function includes a cool storage material container disposed at least one of air-passing clearances formed between adjacent refrigerant flow tubes, and fins disposed in air-passing clearances on opposite sides of the cool storage material container. The cool storage material container includes a container body portion joined to the corresponding refrigerant flow tubes, and an outward extending portion which extends from the front edge of the container body portion and projects frontward in relation to the refrigerant flow tubes. Each of the fins has a fin body portion joined to the corresponding refrigerant flow tubes, and an outward extending portion which extends from the front edge of the fin body portion body and projects frontward in relation to the refrigerant flow tubes. The outward extending portions of the fins are brazed to opposite sides of the outward extending portion of the cool storage material container.

A dispensing device for use in chemical analysis comprising at least two dispenser nozzles, a chamber having at least two inlets, a membrane entity constituting part of defining elements of said chamber, said membrane entity comprising at least one flexible membrane, and an actuation element, such that liquids brought to flow through said inlets into said chamber can be pressurised by actuating the membrane entity by providing a pulse to said actuation element, and thereby dispensing an amount of liquid through each of said at least two nozzles. Embodiments include devices comprising integrated free flow electrophoresis separation means.

To obtain a coin-shaped cell, in which liquid leakage from a sealed part can be prevented surely, while reduction of cell capacity is suppressed. A cell can for housing a power generation element includes a cathode can of which an outer peripheral cylindrical wall is bent upward from the outer peripheral brim of a bottom face wall, and an anode can of which an outer peripheral side wall is bent downward from the outer peripheral brim of an upper face wall. An upper end peripheral brim part of the peripheral cylindrical wall of the cathode can is calking worked inward via a gasket mounted on the outer peripheral side wall of the anode can. The outer peripheral side wall of the anode can includes an enlarged diameter part thrusting in a step form an an angle downward from the outer peripheral brim of the upper face wall, and a straight part linearly extending downward continually to the enlarged diameter part, so that the center of the curvature of a curving part of the outer peripheralcylindrical wall that is bent inward by the calking work of the outer peripheral cylindrical wall of the anode can is made to be positioned at further outside than the outer peripheral side wall of the anode can.

A tissue stimulating device that provides a biological stimulation of tissue has a release surface adapted for arrangement adjacent to a tissue to be stimulated. An agent reservoir of the device includes an ionic agent capable of causing a stimulation if present at sufficient high extracellular concentration close to the tissue. An agent releaser is provided in the device for releasing a selected amount of the ionic agent from the agent reservoir to an outside of the release surface at a stimulation occasion for stimulating the tissue. The ionic agent will cause a temporary change in ion permeability of the tissue cell membranes and a depolarization of the tissue cells.

The invention provides a constant-temperature constant-humidity air conditioner. The constant-temperature constant-humidity air conditioner comprises an indoor unit, an outdoor unit and a control system, and further comprises a compressor, an outdoor heat exchanger forming a condenser of the air conditioner, and an indoor heat exchanger forming an evaporator of the air conditioner, which are sequentially communicated in a circulating mode, wherein an indoor re-heating heat exchanger which is in parallel connected with the outdoor heat exchanger is further arranged between the compressor and the indoor heat exchanger; and the indoor re-heating heat exchanger comprises a micro-channel heat exchanger. The indoor re-heating heat exchanger comprises the micro-channel heat exchanger, is relatively small in inside volume and free of influence on refrigerant circulation quantity while being switched between two modes of the air conditioner due to low occupied refrigerant amount, thereby guaranteeing the energy efficiency and the cooling capacity of the air conditioner. An electronic expansion valve is arranged behind each of the outdoor heat exchanger and the indoor re-heating heat exchanger; by virtue of control of the double electronic expansion valves, heat quantity of the outdoor heat exchanger and the indoor re-heating heat exchanger is intelligently distributed, thereby precisely controlling indoor refrigerating capacity and achieving a purpose of precisely controlling the indoor environment temperature.

A system and method for reducing fluid drainage into air passageways of a spray device during disassembly. The present technique provides an internally mountable fluid nozzle having a fluid inlet, a fluid exit, and a converging central passageway extending substantially between the fluid inlet and the fluid exit. Accordingly, the internally mountable fluid nozzle has a relatively small internal volume, which reduces the amount of fluid that can be spilled during disassembly of the spray device. The present technique also provides a section of the spray device having an air passageway with an air exit, and a protrusive fluid passageway with a fluid exit in a protrusive offset position from the air exit. The internally mountable fluid nozzle can be mounted to the section in fluid communication with the protrusive fluid passageway, such that fluid spillage or drainage during disassembly does not flow into the air passageway. A spray formation section also may be coupled to the section, such that an internal cavity of the spray formation section is disposed about the internally mountable fluid nozzle.

The invention discloses a micro-channel heat exchanger. The micro-channel heat exchanger comprises heat exchange units. Each heat exchange unit comprises a flat tube, a first header pipe and a second header pipe, wherein the first header pipe and the second header pipe are arranged in parallel, the flat tube is connected between the first header pipe and the second header pipe, a plurality of micro channels in the flat tube are respectively communicated with the first header pipe and the second header pipe, and a port communicated with a system pipeline is formed in the first header pipe. The multiple heat exchange units are divided into the heat exchange units arranged in the first direction and the heat exchange units arranged in the second direction, and arranged in a crossed stacking mode, every two adjacent heat exchange units which vertically make contact with each other are different in arrangement direction, the heat exchange units in the first direction form a first heat exchange assembly, and the heat exchange units in the second direction form a second heat exchange assembly. The micro-channel heat exchanger is high in heat exchange efficiency and compact in structure. The invention further discloses a refrigerating plant which comprises the micro-channel heat exchanger. The micro-channel heat exchanger heats refrigerants which are subjected to throttling and will enter a flash-tank by means of exhaust through a compressor, the ratio of gaseous refrigerants is increased, the gas supplement quantity of the compressor is increased, and the efficiency of the compressor is improved.

A device and method are described for extending the life of check valves. An improved check valve having a double poppet and tapered guides is more robust, and a check valve protection device between the check valve and the environment into which fluid is injected protects the valve from a contaminating or corrosive environment. The check valve and check valve protection device are small and light weight to prevent vibration-induced failures. The check valve protection device preferably has an interior volume that fills quickly by relatively few cycles of the lubricant pump to reduce delay of lubricant to the injection point.

An economical method for manufacturing an electrode assembly of virtually any shape to fit into a similarly shaped casing without compromising volumetric efficiency is described. This is accomplished by providing an electrode assembly of multiplate anode and cathode plates that substantially match the internal shape of the casing. A layer of adhesive membrane is provided between the plates to keep them together and provide adequate alignment and spacing between electrodes. That way, no matter what shape the device being powered by the cell dictates the electrode assembly assumes, as little internal volume as possible is left unoccupied by electrode active materials.

A chip having a deaerating function and requiring no bonding or welding for forming a channel, and an apparatus and method for the reaction analysis are provided. The chip contains a first substrate, a second substrate having a liquid inlet and a liquid outlet, and an intermediate member having hydro-phobicity and air permeability and forming a channel between the first and second substrates. It is thereby possible to prevent mixing of air bubbles into the channel.

A washing / drying machine performing the drying operation efficiently while shortening the drying time. The washing / drying machine is provided with a tank (11) for storing used water, and the water in the tank (11) is circulated and used for dehumidifying the air circulating through a drying air duct (20). Since the water in the tank (11) is circulated, a large quantity of dehumidification water can be supplied with priority given to dehumidification efficiency. The quantity of water being circulated (the quantity of cooling water (dehumidification water)) is decreased relatively in the first half of the drying process, and increased relatively in the second half of the drying process. Consequently, drying efficiency is enhanced during the drying the operation and the drying operation time can be shortened.

Embodiment of the present invention feature a device having a body, a separation media and a frit element. The exterior surface of the body has a first attachment means positioned radially about at least one of the media chamber and the frit section to form a compact assembly.

The pressure-type flow controller includes a main body provided with a fluid passage, a control valve for pressure control fixed in a horizontal position to the main body, an on / off valve fixed in a vertical position to the main body on the downstream side of the control valve for pressure control, an orifice provided in the fluid passage on the upstream side of the on / off valve, and a pressure sensor fixed to the main body for detecting the internal pressure of the fluid passage between the control valve for pressure control and the orifice. The fluid passage includes a first passage portion in a horizontal position connected to the control valve for pressure control, a second passage portion in a vertical position connecting the first passage portion to the orifice, and a third passage portion in a horizontal position connecting the second passage portion to the pressure sensor.

A device and method are described for extending the life of check valves. An improved check valve having a double poppet and tapered guides is more robust, and a check valve protection device between the check valve and the environment into which fluid is injected protects the valve from a contaminating or corrosive environment. The check valve and check valve protection device are small and light weight to prevent vibration-induced failures. The check valve protection device preferably has an interior volume that fills quickly by relatively few cycles of the lubricant pump to reduce delay of lubricant to the injection point.

The invention discloses a gas-liquid separating device based on a porous dielectric-slab. The device is composed of a filter, a gas-liquid separation container, a pressure adjusting valve and a pipeline; the device is characterized in that the gas-liquid separation container is respectively connected with the filter and the pressure adjusting valve, the filter, the gas-liquid separation container, the pressure adjusting valve and the pipeline are connected by a pipe joint or welding, an inlet is arranged at one end of the filter, an exhausting pipeline is arranged at one end of the pressure adjusting valve, and the filter is used for filtering the solid in the gas-liquid mixed fluid. The gas-liquid separation container comprises a pressure container and a porous dielectric-slab, an exhausting pipeline is arranged at the upper end of the gas-liquid separation container, a lyosorpic phase porous dielectric-slab is arranged at the lower end thereof, and an exhausting pipeline is arranged at one end of the lyosorpic phase porous dielectric-slab. The invention is simple in structure, and convenient in use, can continuously separate gas-liquid mixed fluid in wide loading scope in real time, and can be widely used in gas-liquid separation fields of various pressure and flow ranges.

A getter device is shaped like a substrate used in a deposition process. Embodiments of the device include a powdered getter material coated onto one or both sides of a support with a narrow rim portion left uncoated so that the device can be manipulated by automatic handling equipment. A method for using the getter device includes providing a vacuum chamber and automatic handling equipment, loading the device into the chamber, reducing the chamber pressure to a desired value by using the getter device in conjunction with an external pump, removing the getter device and replacing it with a substrate, and depositing a thin film on the substrate. The getter device can be in an activated state when loaded into the chamber, or it can be activated after being loaded by employing heating equipment ordinarily used to heat substrates placed in the chamber. The getter material of the device may also be activated in a separate activation chamber before the getter device is loaded into the vacuum chamber.

Fluidic cartridges, and manufacture thereof, having a plurality of circuit element subtypes containing pneumatically operated diaphragm members, where the diaphragm materials are selected for yield point, chemical resistance, breathability and other properties individually according to the fluidic element subtype are provided. A process of in-situ edge-bonded decoupage for forming diaphragm members inside a cartridge, and fluidic circuits having diaphragm members as active and passive circuit elements, including pumps, valves, vents, waste receptacles, reagent reservoirs, and cuvettes with optical windows, where the material composition of each individual diaphragm member may be selected from an assortment of materials during manufacture are also provided.

The invention discloses a condenser assembly for a refrigerator, a refrigerator refrigeration system and the refrigerator, and belongs to the technical field of refrigerators. The condenser assembly for the refrigerator comprises a water receiving disc and a parallel flow condenser arranged on the water receiving disc. The parallel flow condenser comprises a first collecting main, a second collecting main and a plurality of flat tubes arranged between the first collecting main and the second collecting main in parallel. A partition plate is arranged in at least the first collecting main, a plurality of micro-channels are formed in each flat tube, and fins are arranged between the flat tubes. The condenser assembly for the refrigerator is high in heat exchange efficiency, the filling amount of refrigerants is small, occupied space is small, and the structure is more compact. Due to the fact that the refrigerator refrigeration system and the refrigerator comprise the condenser assembly for the refrigerator, the refrigerator refrigeration system and the refrigerator are smaller in size, more compact in structure and more convenient to mount.

The invention provides a high-efficiency supercooling type condenser assembly of an automotive air conditioner. The high-efficiency supercooling type condenser assembly of the automotive air conditioner is characterized in that a condenser core body comprises a left collecting pipe (1), a plurality of multi-channel flat pipes (2), fins (3), a protective plate (4), a right collecting pipe (5), collecting pipe blanking caps (6), four installation supports of buckling type structures (7), an inlet pressing plate (8), a spacer (9), an outlet pressing plate (10) and a liquid storage tank assembly (11); the left collecting pipe (1) and the right collecting pipe (5) are connected through the multi-channel flat pipes (2); the effective condenser core body thickness is 20+ / -1 mm; the width of the fins is 19-21 mm, and the wave height of the fins is 5.4-5.8 mm; and the width of the multi-channel flat pipes is 20 mm, and the thickness of the flat pipes is 1.2-1.5 mm. A condenser is fixed through the four buckling type installation supports, assembly is easy and convenient, and safety and reliability are guaranteed. Compared with other condenser assemblies, the high-efficiency supercooling type condenser assembly is small in size, compact in structure, slightly limited by the internal arrangement space of an engine bin and convenient to arrange.