54results about How to "Efficient humidification" patented technology

A PEM fuel cell stack including one or more fuel cells (1) arranged on top of one another, each of which contains a membrane electrode assembly (2) between two electrically conductive bipolar plates (3,4), the surfaces of which are equipped with flow channels (10) open on one side for the supply of reactive gases, whereby the membrane electrode assemblies each comprise a polymer electrolyte membrane (5), both sides of which are in contact with a reaction layer (6,7), whereby the surface area of the reaction layers is smaller than that of the polymer electrolyte membrane and a compressible, coarse-pore gas distribution layer (8,9) made from carbon fiber fabric is inserted between each reaction layer and the adjacent bipolar plates congruent to the reaction lawyers along with seals (11,12) in the area outside the surface covered by the gas distribution layers, whereby the gas distribution layers in the no-load condition display a thickness D1 and the seals a thickness D2. The PEM fuel cell stack is featured by the gas distribution layers in the PEM fuel cell stack being compressed to 25 to 60% of the original thickness.

An ink jet recording apparatus includes an ejection head which ejects an aqueous ink composition containing a resin component, a water-soluble organic solvent having a boiling point of 250° C. or less, a surfactant, and water; a first cap device which covers and moisturizes the ejection head; and a first maintenance liquid supply device which supplies a maintenance liquid to the first cap device. The maintenance liquid contains water and at least one water-soluble organic solvent of alkanediols having a boiling point of 250° C. or less and alkylene glycol monoether derivatives having a boiling point of 250° C. or less.

The present invention provides a fuel cell humidification system comprising features of a cathode humidification system, an anode humidity retention system and a countercurrent flow arrangement of the fuel and air streams in the fuel cell, which performs efficiently and is configured particularly for small fuel cells. The present invention further provides a simple method for controlling both cathode and anode humidification using the fuel cell humidification system of the present invention.

A power generation cell includes a membrane electrode assembly, and first and second separators sandwiching the membrane electrode assembly. The first separator includes an oxygen-containing gas flow field. An inlet buffer area is provided between the oxygen-containing gas flow field and an oxygen-containing gas supply passage, and an outlet buffer area is provided between the oxygen-containing gas flow field and an oxygen-containing gas discharge passage. Plural columnar resistance members are provided within the inlet buffer area and the outlet buffer area. The membrane electrode assembly further includes first and second humidification sections.

A gas humidifier can have a gas channel comprising an inlet and an outlet. A portion of the gas channel can have a region having a reduction in cross-sectional area relative to the portions of the gas channel outside of the region. A water conduit can extend from the region to a water reservoir. A heating element can heat water entering the region from the water conduit. Water vaporized using the heating element can join the flow of gases passing through the gas channel in use.

The invention relates to a refrigerator which comprises a refrigerating chamber (10) used for preserving vegetables and fruits, a moisturizing material (21) arranged in the refrigerating chamber and made of a porous material, a tray (22) used for bearing the moisturizing material (21) in the refrigerating chamber, a water storage tank (11) for storing humidifying water, a humidity sensor (25) used for detecting the humidity of the refrigerating chamber (20) and a control part (40) used for controlling an ejector to add water into the moisturizing material according to the humidity detected by the humidity sensor, wherein the water storage tank comprises a pump (12) for sucking water from the water storage tank, an ejector (23) for adding the water into the moisturizing material and a water supplying mechanism connected with a pipeline of the pump and the ejector. Control is carried out by the control part, when the humidity of the refrigerating chamber is overlow, the water is added into the moisturizing material by the water supplying device, the refrigerating chamber is humidified by using the evaporation of the water absorbed by the moisturizing material to ensure that vegetables and fruits in the refrigerating chamber can be preserved for a long time.

The invention discloses a high-pressure atomizing system for a laboratory. The high-pressure atomizing system comprises a water tank (6), wherein water outlets at the lower part of the left end of thewater tank (6) communicate with water inlets of a plurality of water supply water pumps (7); water outlets of all water supply water pumps (7) communicate with a plurality of water boosting pipelines(100) after being converged; a water outlet of each water boosting pipeline (100) communicates with a plurality of atomizing humidification pipelines; and the water boosting pipelines (100) are usedfor carrying out boosting treatment on water coming from the water supply water pumps (7) and then outputting the water to the atomizing humidification pipelines for sprinkling. The high-pressure atomizing system for the laboratory, disclosed by the invention, can stably and efficiently carry out humidification treatment on the inner space of the laboratory, thereby obviously reducing thermal loadincreased in the laboratory and accordingly reducing the demand on the inner refrigerating quantity of the laboratory and reducing the whole energy consumption of the laboratory. A great energy saving effect is realized, and popularization is facilitated.

The liquid supplied to an emitter electrode located at a tip of an atomization nozzle receives the high-voltage and electrically charged. The mist of the charged minute water particles of nanometer sizes is generated from the emitter electrode. A pressure regulating means regulates a pressure applied to the liquid on the tip of the emitter electrode. Therefore, the mode of generating the mist of the charged minute water particles of nanometer sizes or the mode of generating the mist of the charged minute water particles of nanometer and micron size is selected.

The invention discloses a humidifier used for a high-power duel cell test board. The humidifier comprises a bubble humidifying area, a spraying humidifying area located on the upper portion of the bubble humidifying area and a water storing area located on the lower portion of the bubble humidifying area, space is reserved between the bubble humidifying area and the spraying humidifying area, anda gas inlet is formed in the lower portion of the bubble humidifying area; a gas outlet and a deionized water inlet are formed in the top of the spraying humidifying, a deionized water outlet is formed in the bottom of the water storing area, and the deionized water inlet is connected with the deionized water outlet through an external pipeline. The humidifier adopts the mode of combining bubble humidifying with spraying humidifying, a good humidifying effect can be achieved, and a filler with the high specific surface area of the spraying humidifying area can achieved efficient humidifying, and it is avoided that liquid water flows into a fuel cell; a spraying device is adopted for replacing a spraying nozzle, control is simple, and cost is low; no rotary components are arranged in the humidifier, and the service life is long.

The application discloses a humidifier comprising a housing, a heat exchange assembly and a humidification assembly located inside the housing, wherein the housing is provided with an air inlet and anexhaust port; the heat exchange assembly is arranged close to the air inlet to allow the dry hot air to enter the heat exchange assembly through the air inlet to be cooled to form dry cold air; the humidification assembly is disposed adjacent to the exhaust port and is in communication with the heat exchange assembly such that the dry cold air enters the humidification assembly and is humidifiedto form wet cold air; and the wet cold air is discharged outside the housing through the exhaust port. By communicating the heat exchange assembly and the humidification assembly and disposing the heat exchange assembly and the humidification assembly inside the same housing, the humidifier achieves a high degree of integration, so as to be capable of efficiently humidifying the dry hot air without an external heat exchange assembly.

The invention discloses a refrigerating chamber humidifying device for a refrigerator and the refrigerator, and belongs to the field of a refrigerating device and accessories. The refrigerating chamber humidifying device and the refrigerator are designed for solving the problems that the humidifying effect of the existing device on the refrigerating chamber is poor, and the like. The refrigerating chamber humidifying device for the refrigerator comprises a water collecting assembly and a humidifying assembly, wherein the water collecting assembly and the humidifying assembly are connected, the water collecting assembly is used for collecting the melted frost in the refrigerating chamber and conveying the collected melted frost into the humidifying assembly, the humidifying assembly comprises a water tank used for storing the melted frost and an atomization device used for atomizing the melted frost into water vapor, and a fog outlet is formed in the water tank, and faces the inside of the refrigerating device. The refrigerator provided by the invention comprises the refrigerating chamber, and the humidifying device is arranged in the refrigerating chamber. The refrigerating chamber humidifying device for the refrigerator has the advantages that the humidity value of the refrigerating chamber can be enabled to be maintained at a high level, and a great amount of the melted frost can be efficiently ionized into the fog. The fresh keeping effect of the refrigerator is good.

An ultra-thin anion exchange membrane incorporates functional additives to provide improved water management. Without the functional additives the ultra-thin membrane may have high cross-over and not be effective for many applications. A composite anion exchange membrane includes a porous scaffold support such as a porous polymer. The anion exchange polymer may be coupled to the porous scaffold, such as by being imbibed into the pores of the porous scaffold. The functional additives may contribute to increase water production, water retention, back-diffusion and reduce the gas crossover. A functional additive may include a reactive species, including a catalyst that reacts with oxygen or hydrogen, a plasticizer, a hygroscopic material and/or a radical scavenger.

A method of humidifying and cooling a fuel cell system is provided. The method of humidifying and cooling a fuel cell system includes: exhausting, by a fuel supply unit, a hydrogen gas to a reservoir in which condensed water of an anode is stored. Additionally, a hydrogen gas and condensed water are pumped and the hydrogen gas and the condensed water are exhausted to the humidifier. Additionally, compressed air of an air compressor is delivered to the humidifier heat is exchanged with compressed air in the humidifier. The hydrogen gas and compressed air in which a heat is exchanged in a humidified state is delivered to an anode and a cathode, respectively.

The invention relates to a refrigerator (1) which comprises a refrigerating chamber (20) used for preserving vegetables and fruits, a moisturizing material (21) arranged in the refrigerating chamber and made of a porous material, a tray (22) used for bearing the moisturizing material (21) in the refrigerating chamber, a humidity sensor (25) used for detecting the humidity of the refrigerating chamber (20), a reminding part used for informing the humidity of the refrigerating chamber of a user and a control part (40) used for controlling the reminding part and reminding the user according to the humidity detected by the humidity sensor. By adopting the refrigerator, the user holds the humidity of the refrigerating chamber at any moment, when the humidity of the refrigerating chamber is overlow, water is added into the moisturizing material by the user, the refrigerating chamber is humidified by using the evaporation of the water absorbed by the moisturizing material to ensure that a certain humidity is kept in the refrigerating chamber, thereby being beneficial to the long-term preservation of vegetables and fruits.

A healthful, energy-saving and environment-friendly humidifier is characterized by comprising a special-shaped water storage tank and an evaporator made of folded absorbent paper. The special-shaped water storage tank is a plastic or metal product and comprises a flat bottom, a vertical outer wall and a water tank with an open upper plane, the projection of the special-shaped water storage tank in a vertical view is similar to a fishbone, and two symmetrical side-wing water tanks on two sides of a main tank are communicated with each other by the middle main tank. The evaporator is made of the folded absorbent paper, fold lines are parallel to one side of rectangular filter paper, the filter paper is repeatedly folded in forward and reverse directions to form a folding fan, and the folding fan is vertically inserted into the side-wing water tanks after being stretched naturally. When the humidifier is used, water is filled in the water tank, and purposes of naturally evaporating moisture and humidifying indoor air can be achieved after the water tank is placed on a heater. The humidifier has the advantages that the humidifier is energy-saving, environment-friendly, silent and efficient, and is free of white dust pollution and long in service life.

A tobacco processing machine, comprising a frame that is cylindrical and hollow and has an inclined axis; the frame rotates axially so as to break up tobacco bales or slices and is internally provided with rods for moving the tobacco that protrude radially; the tobacco processing machine further comprising elements for feeding steam and/or water and/or another fluid, which are provided on the inner lateral surface of the frame.