97 results about "Air cell" patented technology

Disclosed in the present invention are a biomass-derived graded porous asymmetric coordination monatomic carbon-based electrocatalyst, and a preparation method therefor and the use thereof. The preparation method for the biomass-derived graded porous asymmetric coordination monatomic carbon-based electrocatalyst comprises the following steps: (1) stirring and mixing de-alkalized lignin with a transition metal salt, a nitrogen-containing compound and a template, i.e., magnesium oxide, in a solvent until uniform, so as to obtain a suspension, wherein the transition metal comprises iron and zinc; (2) heating, evaporating and drying off the suspension, so as to obtain a lignin / metal ion / nitrogen-containing compound / template mixed precursor; and (3) subjecting the mixed precursor to high-temperature pyrolysis under the protection of an inert gas, cooling same, and then sequentially washing and drying same, so as to obtain a monatomic carbon-based electrocatalyst. The monatomic carbon-based electrocatalyst provided in the present invention has graded pores of micropores, mesopores and macropores, a surface nanosheet and an asymmetric coordination structure of Fe-N3O at the same time, and can be applied to fuel cells and metal-air cells.

A buoyancy compensator bladder includes an air cell, a connector, a low-pressure inflator (LPI), and at least one over pressure valve. The LPI which inflates and deflates the air cell is positioned on an outer surface of the air cell. As a result, when the fully assembled buoyancy compensator is equipped by a diver, the LPI runs from behind the diver's torso and under their armpit. This results in the inflator head which is part of the LPI to be disposed on the front of the diver's chest during back mount or side mount diving. This structure allows the bladder to be easily used for either back mount or side mount diving. The bladder may further be equipped with auxiliary / non-essential devices such as wight pockets / pouches.

A support system for a seat includes a suspension coupled to the frame of a seatback. A plurality of pneumatic cells are coupled to the suspension. Each pneumatic cell is expandable and independently controllable to expand between a first position and a second position. A flexible reaction surface covers a forward surface of the plurality of air cells and the reaction plate maintains a smooth transition surface when each of the plurality of pneumatic cells is expanded to the first and second positions.

A comfort system (100) for a vehicle (10) or a vehicle seat (12) that includes a pneumatic device (102) having one or more air cells (104); a scent diffusing device (106) having one or more aroma devices (108); and a fluid pump (110) and / or valve device (112) controlled to actuate the one or more air cells (104) and the one or more aroma devices (108) to provide a massage, lumbar, and / or aroma therapy to an occupant of the vehicle (10) and / or the vehicle seat (12).

The invention relates to the field of inorganic functional materials, and particularly discloses a corrosion-resistant layered Pt-C catalyst and a preparation method and application thereof. The nitrogen-doped carbon carrier, the spinel oxide and the Pt nanoparticles are arranged to form a novel corrosion-resistant catalyst, and through the synergistic effect of the spinel oxide AB2O4 and the nitrogen-doped carbon carrier N-Carbon, the electron cloud density on the surface of the carbon carrier is effectively reduced, the carbon corrosion problem of traditional Pt / C under high potential is inhibited, and the carrier stability is remarkably improved; spinel oxide is used as an anchoring point of platinum nanoparticles, the migration energy barrier of the platinum nanoparticles is improved, the platinum utilization rate is improved through an in-situ precipitation process, the comprehensive cost is reduced compared with commercial Pt / C, and due to the fact that the production process is simple and the production period is short, the production cost is reduced. The catalyst shows excellent oxygen reduction reaction catalytic activity and stability in zinc-air cells and fuel cells, the preparation method is simple, special equipment is not needed, and the catalyst has good industrial amplification potential.

A comfort system for a vehicle seat comprising a heating system having a carrier and one or more heating elements configured to generate heat, and a pneumatic system having a carrier and one or more air cells configured to be inflated and deflated; wherein the carrier of the pneumatic system is connected to the carrier of the heating system at one or more connection areas before the comfort system is installed in the vehicle seat.

A device for compressing limbs and a method for compressing lower limbs by using same are provided. The limb compression device comprises: first to Nth air cells sequentially arranged from a front end of a limb toward a body in the longitudinal direction of the limb; a pressure adjustment unit, which can inject air into the N air cells and discharge the air from the air cells so as to pressurize and depressurize same; and a control unit for controlling operation of the pressure adjustment unit. The N air cells are divided into: a first cell group including one or more air cells arranged closer to the front end of the limb; and a second cell group arranged closer than the first cell group to the body. The control unit performs over-pressurization control in which the first cell group is pressurized up to an over-pressure level and then depressurized, and then performs sequential pressurization control in which the first cell group is pressurized, the second cell group is subsequently pressurized, and then the first cell group and the second cell group are depressurized.

The application discloses a kind of magnetic field auxiliary lithium aluminum air cell and its construction method, it belongs to battery technical field, wherein, the magnetic field auxiliary lithium / aluminum air cell includes: positive electrode material, diaphragm, negative electrode material, electrolyte and the magnetic field component for applying external magnetic field;Positive electrode material and / or the electrolyte include the metal magnetic material that is magnetically responsive with the external magnetic field.The magnetic field auxiliary lithium / aluminum air cell provided by the application, by external magnetic field orientation, constructs ordered magnetic structure, can in situ control the physicochemical characteristics of lithium / aluminum air cell discharge product, compared with traditional technology has significant advantages: on the one hand, overcome the defects such as structural control difficulty, complex process in the preparation of traditional magnetic catalyst;On the other hand, it can accurately break through the core bottleneck of metal-air battery reaction kinetics slow, not only realizes the dynamic controllable regulation of discharge product, and the whole process has the characteristics of environmental protection, simple, can significantly improve the catalytic activity of battery.

An air mattress includes a main mattress configured to support a body of a user, a sub mattress that is positioned below the main mattress, and a mattress controller configured to control internal pressure of the main mattress and the sub mattress. The sub mattress includes a head part air cell band configured to cause a cervical region of the user to bend forward, and a chest air cell band configured to lift a chest of the user from a back side of the user.

The vehicle seat includes at least one of a seat back and a seat cushion having a pad member and a skin member covering the pad member, wherein a heater having a sheet configuration and a plurality of air cells are provided between a surface side of the pad member and the skin member.

The invention relates to the field of metal fuel cells, and discloses an emergency aluminum air cell lighting rod which comprises a lighting unit, a cell unit and a liquid injection unit, the cell unit comprises a shell, a reaction cavity is formed in the shell, a sealing cover is arranged at the top of the shell, a waterproof breathable structure is arranged on the sealing cover, and a negative plate is arranged in the reaction cavity. An air electrode is arranged on the outer side of the negative plate, a grid is arranged on the outer side of the air electrode, an electrolyte bag is arranged between the negative plate and the air electrode, the negative plate, the air electrode and the lighting unit are connected through wires, and sealing anti-corrosion parts are arranged at the joints; the liquid injection unit comprises a push rod and a firing pin, the push rod is slidably connected to the bottom of the shell, the firing pin is fixed to the push rod, a liquid injection hole communicated with the reaction cavity is formed in the bottom of the shell, a sealing plug is sealed in the liquid injection hole, and the push rod is connected with a limiting assembly. The problems that in the prior art, electrolyte is prone to leakage, the output power is low, and a circuit is prone to poor contact can be solved.

Disclosed is a bedsore-preventing cushion structure. The present invention comprises: a lower panel having a plurality of downward-protruding flat air cells into which air is independently supplied by means of a plurality of air adjustment devices; and an upper panel coupled onto the top of the lower panel and having a plurality of upwardly-protruding upper air cells arranged in a grid pattern. According to the present invention, a user experiencing asymmetry in the hips and thighs visually selects and adjusts, according to the characteristics of the body, an air adjustment device corresponding to an area, from among the left hip, right hip, left thigh, and right thigh, for which the height and support strength are desired to be adjusted, thereby allowing use of the bedsore-preventing cushion structure that has been adjusted to match the characteristics of the body of the user experiencing pelvic asymmetry and muscle mass reduction.

The present invention relates to a snoring prevention pillow system in which an inflation air cell for preventing snoring and a human body detection air cell for detecting the presence or absence of a human body are separated to optimize respective functions thereof. The snoring prevention pillow system can precisely and reliably perform snoring prevention and human body detection. In addition, it is possible to efficiently set a default state of a valve to remove residual air, and to prevent unnecessary waste of power in processes of determining and inflating a target air cell, thereby implementing stable and effective operation.

Comfort system for a vehicle seat comprising a thermal system with a carrier on which one or more thermal elements are arranged and configured to produce a heating and / or cooling function, and a pneumatic system with a carrier supporting one or more air cells; wherein the carrier of the pneumatic system is connected to the carrier of the thermal system and the carrier of the thermal system comprises one or more openings through which at least a part of the carrier of the pneumatic system is drawn or woven to connect the pneumatic system to the thermal system.

To provide an air cell for massage in which an air cell is integrally provided with sound deadening means, and to provide a massage machine including the air cell for massage.SOLUTION: An air cell that expands and contracts with air supply and discharge includes: an air inlet for supplying air; and an air outlet for discharging air. A first pipe for supplying air is connected to the air inlet, while a second pipe for discharging air is connected to the air outlet where the first pipe extends toward the inside of the air cell by a predetermined distance.SELECTED DRAWING: Figure 3

A mattress assembly includes a mattress body enabling a user to lie down, a massage module supported on the mattress body and massaging the user, an air cell unit supported on the mattress body and selectively containing air to support the user, an air pump capable of supplying air to the air cell unit, a valve opened and closed to selectively discharge air from the air cell unit, and a controller controlling at least one of the air pump and the valve. An upper surface of the mattress body is formed with an opening through which the massage module massages the user and through which the air cell unit supports the user when containing air inside.

The utility model discloses a zinc air cell composite electrode device based on nonmetal PNC catalyst, including electrode anode, the inside of electrode anode is equipped with the electrode cathode of adaptation, be equipped with insulating seal layer between electrode anode and electrode cathode, the inside of electrode cathode respectively includes zinc powder, zinc electrode layer and carbon skeleton, zinc electrode layer and carbon skeleton evenly distribute in the inside of electrode cathode, the utility model discloses a prevent seepage layer and carbon cloth and catalyst layer are set up in the inner layer structure of electrode anode and electrode cathode, and have catalytic composite layer between prevent seepage layer and carbon cloth to utilize the adhesive bonding structure in catalytic composite layer, promote carbon matrix and catalyst layer mix to form the high stability porous network electrode structure with electrode cathode combination under the catalytic layer cooperation of this composite structure, and have the component with high catalytic activity.

We offer user-friendly air mattresses. [Solution] An air mattress comprising a plurality of air cells arranged in the front-to-back direction, a mattress control unit that controls the internal pressure of the plurality of air cells, and a mattress operating unit that is operated to change the internal pressure of the plurality of air cells, wherein the mattress control unit has a gap mode that creates a gap between the user on the air cells and the air cells based on the operation of the mattress operating unit.

1. Name of the designed product: model (alloy air cell powered spin color wheel). 2. Use of the designed product: for toy model. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention provides a soft package zinc-air battery with a single-layer shell. The soft package zinc-air battery with the single-layer shell comprises an air positive electrode, a diaphragm, a negative electrode current collector and the shell which are sequentially stacked from top to bottom, the air positive electrode comprises a first gas-permeable membrane, a positive electrode current collector, a second gas-permeable membrane and a catalytic membrane which are sequentially stacked from top to bottom, and the overall size of the air positive electrode is larger than the size of the diaphragm, so that the electrolyte is prevented from permeating outwards from the diaphragm; the edge of the shell is fixedly connected with the edge of the catalytic membrane, and a closed zinc paste accommodating cavity is formed between the shell and the diaphragm; and tab glue is arranged between the tab of the negative current collector and the air positive electrode. According to the soft package zinc-air battery with the single-layer shell, the air positive electrode has no special size limitation, the positive electrode current collector can be directly overlapped with the breathable film and the catalytic film and then integrally cut, the soft package zinc-air battery is adaptive to coiled material automatic production equipment, the material cost of the shell is also reduced, and the energy consumption and the production period of the equipment are reduced.

This invention belongs to the field of optical fiber communication, specifically relating to an air-core fiber optical amplification system and method for communication using submarine waste optical cables. The system consists of a tunable laser, a multiplexer, a variable optical attenuator, and a first wavelength division multiplexer (WDM), connected sequentially. A pump laser is connected to the signal input of an erbium-doped fiber amplifier, and the output of the erbium-doped fiber amplifier is connected to the pump end of the first WDM. The fiber collimator, after being focused, is placed at the front end of an air cell. Two optical lenses are fixed at both ends of the air cell. An air-core fiber is placed inside the air cell, positioned to ensure that the signal light can enter the fiber. Another fiber collimator is placed at the rear end of the air cell. The signal light output from the air cell is input to a single port of a second WDM. The pump end of the second WDM is connected to a photodetector, and the signal output of the second WDM is connected to the waste optical cable channel. The output of the waste optical cable channel is sequentially connected to an isolator, a demultiplexer, and an optical power meter.

The present invention relates to a cathode for an air cell and a lithium-air cell comprising the same. The cathode for an air cell comprises: a porous conductive material; and an alkali-resistant compound on a surface of the porous conductive material, the alkali-resistant compound having a positive Gibbs free energy at 2 V to 4.5 V vs. Li / Li + at a pH of about 7 to about 14.

Disclosed in an embodiment of the present invention is a construction-type interfloor noise prevention mat using an air tube, the mat being capable of minimizing the transmission of a heavy impact sound. The disclosed interfloor noise prevention mat comprises: a mat body having a mat structure of a predetermined unit standard, having a flat upper surface, having connection flanges and connection recesses formed on the side surfaces thereof in order to be coupled to an adjacent unit mat, and having an accommodation recess formed in the lower surface thereof; and an air tube of a hollow structure which is composed of a plurality of air cells so as to be coupled to the accommodation recess of the mat body, and which has air flow paths formed between the air cells. According to an embodiment of the present invention, the air tube having an excellent cushioning effect is inserted into the lower portion of the mat body such that, even if the mat body made of soft foam is compressed to become hard due to weighted impact, an air layer of the air tube efficiently absorbs vibration from the upper portion so as to prevent the vibration from being transmitted to the floor, and thus interfloor noise can be reduced.

A pneumatic device for a vehicle seat that includes an air cell configured to expand and contract; a carrier; and a retaining device configured to attach the air cell to the carrier; the retaining device is configured to moveably attach the air cell to the carrier to allow the air cell to move or rotate relative to the carrier and the vehicle seat.

Metal-air cells, battery stacks, battery system and methods of forming the anodes within the metalair cells without dismantling the cell are provided. The anodes include metal mesh(es) as current collector(s) and concentrated slurry comprising metal granules suspended in electrolyte, in electrical contact with the current collector(s). The concentration of the slurry is carried out by circulating it through a cell space between cathode(s) and the metal mesh(es), which are configured to increase the concentration of the metal granules accumulating thereupon. The rise in required circulation pressure (or the corresponding time period and / or changes in conductivity related thereto) is used to indicate the completion of the anode formation process. One- and two-dimensional implementations of cells are provided, and discharging efficiency may be enhanced by circulating the electrolyte during discharging.

This invention relates in general to medical patient support apparatuses having a mattress with air cells and a control unit adapted to adjust air pressure in the air cells of the mattress. Principal function of this invention described herein is an automatic pressure adjustment in the individual air cells depending on loading of these air cells developed by a patient being supported on a mattress.

There is provided an air mat device comprising a mat unit that has an air cell; an air supply and exhaust unit that supplies air to the air cell and exhausts the air from the air cell; and a control unit that acquires a state change quantity of the air cell or a time required for a state change of the air cell, as a control reference value, and that controls the air supply and exhaust unit in accordance with the control reference value. There is also provided an internal pressure control method of an air cell according to the above configuration.

The invention belongs to the technical field of concrete stubble blocking air bags, and particularly relates to a concrete stubble blocking air bag airtight cloth and a production method thereof. An aramid fiber layer is arranged above the base cloth; a wear-resistant layer is arranged above the aramid fiber layer; an airtight layer is arranged below the base cloth; the wear-resistant layer is made of chloroprene rubber; the base cloth is gridding cloth made of a polyester fiber material; the airtight layer is made of butyl rubber, during working, the outermost surface of the airtight layer is made of chloroprene rubber, concrete scouring, steel bar friction and environmental corrosion can be resisted, the high abrasion resistance is achieved, and the airtight layer is suitable for most building engineering environments; and finally, butyl rubber is adopted as the core sealing layer, so that the possibility of gas leakage is reduced, and the stability of the airtight cloth is improved.

1. The name of the design product: bulletproof vest airbag pad. 2. The use of the design product: the design product is used for bulletproof vest airbag pad. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model discloses an air bag unit and an air bag mattress for a mattress, and relates to the technical field of air bag mattresses, the air bag unit comprises a plurality of layers of air bags stacked up and down, the peripheries of the air bags are provided with connecting enclosures, the connecting enclosures are fixedly connected with the plurality of layers of air bags, one side of each air bag is connected with an inflation and deflation pipeline, and the inflation and deflation pipeline is connected with the air bag. An inflation inlet is formed in the end, away from the air bags, of the inflation and deflation pipeline, an exhaust valve is connected to the inflation and deflation pipeline, and a connecting layer is arranged between the multiple layers of air bags and is a rubber layer. According to the utility model, by arranging the multi-layer air bag structure, the middle layer and the contact layer can be jacked up by inflating the air bags during use, so that the position of the mattress can bulge upwards, the air bag units in the mattress are provided with a plurality of positions, and each air bag unit is provided with the multi-layer air bags; after different numbers of air bags are inflated, the bending and upheaval degrees of the mattress are different, so that the height can be flexibly adjusted according to requirements, and the mattress is convenient and flexible to use and high in practicability.