152 results about "Air cell" patented technology

[TASK]In a reclining seat device, the behavior of the vehicle is accurately conveyed to a seated occupant without regard to the reclining angle of the seat back with respect to the seat cushion.[SOLUTION]The air cells 30 of the seat cushion 22 are vibrated with a higher intensity than those of the seat back 26 when the reclining angle is smaller than a predetermined value, and the air cells 30 of the seat back 26 are vibrated with a higher intensity than those of the seat cushion 22 when the reclining angle is equal to or greater than the predetermined value.

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 method for allocating an over-the-air cell to one or more user equipments (UEs) in a wireless communication system is provided. The method includes establishing a data connection between one or more user equipments (UEs) and a ground cell; receiving one or more feedback parameters from each of the one or more UEs via the data connection; and allocating an air cell to a first UE of the one or more UEs based on at least one of the one or more feedback parameters received from the first UE and a number of the one or more UEs present in a coverage area of the air cell, the coverage area is a portion of a ground coverage area of the ground cell.

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 present invention relates to an inflatable pressure controlled mattress 1 for supporting and monitoring a patient's activity while lying on the mattress 1. The mattress 1 comprises an air cell layer 7 with air cells 14a-o, which collaborate with an air source providing pressurised air to the air cells 14a-o. The air source 16 is in communication with a processor regulating amount of pressurised air to the air cells 14a-o. The mattress 1 is arranged with a sensor layer 12 arranged with a first sensor pad 17 comprising a first air conduit 18 arranged in a serpentine pattern and connected to a first sensor 19. The first sensor 19 is communicating with the processor, whereby during a pre-defined time-frequency the first sensor 19 repeatedly register pressure of air in the air conduit 18 and generates an output signal for each repeated register and communicates the output signal to the processor whereby a patient activity may be monitored.

An inflatable air mattress includes a plurality of air cells arranged side by side. Every air cell includes an envelope, an elastomer, and a plurality of restriction straps. The envelope is inflatable and the elastomer is located inside the envelope. Each restriction strap includes two connection sections connected to a locating zone on the envelope, and a covering section located between the two connection sections to cover a part of the locating zone, such that a communicating gap is formed between the covering section and the envelope and the locating zone is divided into a central restricted area and an outer expandable area. The outer expandable area and the central restricted area are different in deformability. With the restriction straps, it is able to prevent the locating zones on the envelope from being over-deformed when the envelope is inflated and to prevent the deformed envelope from having an irregular shape.

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.

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 massage device according to an embodiment of the present invention comprises: a seat part on which a user can sit; pelvic air cells positioned on both sides of the seat part and including a plurality of air cells; and a control unit for controlling the massage device, wherein the control unit performs a pelvic mode in which the pelvis of the user is pressed by activating air cells arranged diagonally from each other with respect to the seat part among the plurality of air cells.

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.

Energy backup systems and methods are provided, which combine an aluminum air sub-system having one or more replaceable aluminum air modules with multiple aluminum air cell stacks with a rechargeable buffer. The backup systems and methods provide electricity upon requirement from the rechargeable buffer, monitor the statuses of the rechargeable buffer and the aluminum air sub- system as well as the electricity consumption of the load which the system backups - and determine respectively the operation profile of the aluminum air sub-system to supply electricity to the load and to recharge the buffer when needed, optimizing the operational parameters with respect to the operation and configuration of the aluminum air sub-system and the buffer(s), from the system configurations and self-testing, through management of maintenance procedures and down to the configuration and operation of a large number of cell stacks.

The invention discloses a multi-mode photo-thermal chemical energy coupling power generation device which comprises a photovoltaic cell, a thermoelectric power generation assembly and a metal air cell, and the thermoelectric power generation assembly is used for receiving heat of the photovoltaic cell and the metal air cell to generate power. The invention provides a photovoltaic power generation-thermoelectric power generation-metal air battery power generation composite ternary power generation system, which is coupled with a multi-source power generation technology, forms complementary advantages, synergistically improves the power generation efficiency, solves the problems of volatility and intermittency of single power generation, and realizes all-weather stable power output.

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

The invention discloses a communication resource configuration method and device, computer equipment and a storage medium. The method belongs to the technical field of wireless communication, and specifically comprises the following steps: determining a first cell frequency band and a second cell frequency band according to a frequency interval of a base station carrier; and taking the frequency band of the first cell as a beam frequency band of an air cell, and taking the frequency band of the second cell as a beam frequency band of a ground cell. And according to the first cell frequency band and the second cell frequency band, respectively configuring a control channel bandwidth and a service channel bandwidth of the to-ground cell and a control channel bandwidth and a service channel bandwidth of the to-air cell. According to the method, the first cell frequency band and the second cell frequency band do not contain the same frequency band, so that the problem of signal interference existing in the air cell and the ground cell can be effectively solved, the communication quality of low-altitude users and ground users is effectively improved, and the user satisfaction degree is further improved.

The invention relates to the field of batteries, and discloses a multifunctional zinc air battery / methanol fuel cell material and a preparation method and application thereof.The battery material is of a polyhedral structure and comprises a cobalt-nitrogen-carbon material, the surface of the cobalt-nitrogen-carbon material is loaded with precious metal elements, and the precious metal elements are loaded on the surface of the cobalt-nitrogen-carbon material. The cobalt-nitrogen-carbon material is doped with transition metal elements, the prepared battery material has excellent HER, OER, ORR and MOR catalytic activity under the alkaline condition, after the battery material is prepared into a zinc-air battery, cyclic charging and discharging can reach 100 h or above, the power density can reach 120 mW * cm <-2 > or above, the energy density can reach 800 mA * h * g <-1 > Zn or above, and after the battery material is prepared into a direct methanol fuel battery, the energy density can reach 800 mA * h * g <-1 > Zn or above. According to the invention, the open-circuit voltage does not exceed 0.74 V, the power density is high and can reach more than 10 mW.cm <-2 >, the constant-current discharge stability is good, and the constant-current discharge time at 0.25 mA. Cm <-2 > can reach more than 1000 s.

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.

To provide a vehicle system that can transmit detailed contents of assist processing.SOLUTION: A vehicle system 1 supports driving operation by a driver by assist processing for accelerating or decelerating a vehicle on the basis of an environment around the vehicle or changing a steering angle. The vehicle system 1 comprises a seat 10 on which a user is seated, an electric device that moves a portion of a seating surface F of the seat 10, and a control part 100. The electric device includes a vibrating device 23 and / or an air cell. When executing the assist processing, the control part 100 executes device interlock processing for activating the electric device, in response to movement of the vehicle operated by the assist processing.SELECTED DRAWING: Figure 1

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.

According to embodiments, an air mattress includes an air cell unit and a controller. The air cell unit includes a first air cell and a second air cell. The controller is capable of independently controlling a first internal pressure in the first air cell and a second internal pressure in the second air cell. The controller performs, when receiving an input to change the second internal pressure, after a first operation to set the first internal pressure to a first set internal pressure determined related to the first air cell, a second operation to change the second internal pressure.