33results about How to "Destroy surface tension" patented technology

An environmentally protected switch for activating a signalling device, such as a light source, powered by a battery and adapted for use with a conductive fluid. The switch comprises an open ended housing and a sensing element received within the housing along a longitudinal axis thereof, a tip of the sensing element being substantially flush with the open end. The sensing element is coupled to the signalling device for providing an electrical path connecting the battery and the signalling device. Upon submersion of the switch into the fluid and agitation of the switch, a surface tension at an interface between the fluid and the open end is broken and fluid penetrates the housing up to a predetermined depth to enable an electrical current to flow within the sensing element for closing the electrical path and activating the signalling device.

The invention provides an efficient heat-exchange tube for an evaporator, and belongs to the technical field of evaporation heat-exchange tubes in air conditioner and refrigerating systems. The efficient heat-exchange tube comprises a tube body and outer fins, wherein a groove is formed in the top of each outer fin, and the area between every two adjacent grooves forms a fin platform. The efficient heat-exchange tube is characterized in that semi-grooves are formed in one side or two sides of each outer fin at intervals, a liquid stopping groove is formed on the wall, facing one side of the adjacent outer fin, of each semi-groove, the bottom of each semi-groove is provided with a steam bubble size control boss, and each groove comprises a fin top groove channel and an auxiliary fin top groove channel. By enlarging the area of the evaporation heat-exchange area outside the tube and the number of holes of nucleate boiling, steam bubbles formed by steam rapidly become big and overflow; heat transmission can be enhanced, flowing of fluid can be stopped, interference to the fluid is improved, surface tension of the fluid is damaged, a working medium fluid film is effectively expanded, evaporation is accelerated, and the evaporation and heat exchange effects are improved; the tube and adjacent fins can form an inverted-concave shape, the sizes of the steam bubbles can be controlled, and the heat-exchange performance outside the tube is further enhanced.

An inlet structure is adapted to be connected to a microchannel. The inlet structure includes an inlet portion and at least one micro structure. The inlet portion contains an inner surface. The micro structure is disposed in the inlet portion and connected to the inner surface. When a fluid is injected into the inlet portion, the micro structure destroys a surface tension of the fluid to cause the fluid to flow into the microchannel by capillary action.

A hybrid cooler with selectively applied water to one or more heat exchangers has one or more water feed channels above each heat exchanger to which water is to be applied constructed to provide a smooth film of water by a feed channel overflow edge and with means for suppression of waves, if any, in the channel.

The invention relates to a thin material and a sanitary pad with the same. The thin material comprises a basal body, a plurality of first ribs and a plurality of second ribs, wherein the first ribs are arranged adjacently, and the second ribs are arranged adjacently; the basal body comprises a first surface, a second surface opposite to the first surface, and a plurality of drainage holes which penetrate through the first and second surfaces; the first surface of the basal body extends towards the direction away from the second surface to form the first ribs; the first ribs define an end surface which is a certain distance away from the first surface, and also define a plurality of diversion regions in a surrounding mode; the drainage holes are distributed in the first diversion region and communicated with each other; the second ribs are formed on the end surface of the first ribs in a staggered mode; and the second ribs define a plurality of second diversion regions, which are communicated with the first diversion regions, in a surrounding mode. After the surface tension of the liquid is orderly damaged by the second and first ribs, the liquid is quickly discharged through the drainage holes, thereby enhancing the liquid permeation effect. In addition, the contact surface of the second ribs contact the skins of a user to decrease the contact area, and the second and first ribs are connected with each other in a staggered mode, so that the thin material feels delicate, thereby enhancing the use comfort level.

The invention discloses a laminar object capable of controlling the flow direction of a fluid and a sanitary product with the laminar object. The laminar object comprises a matrix, the matrix is convexly provided with a plurality of convex ribs which are arranged adjacent with each other, the convex ribs surround and define a plurality of flow guide areas, the flow diversion areas are distributed with a plurality of through holes, the convex ribs are provided with a plurality of depressed areas, and the flow guide areas can be communicated with one another by means of the depressed areas. Thus the surface tension of the liquid can be effectively destroyed, and the liquid can be quickly guided to the adjacent flow guide areas through the depressed areas and is output through the through holes on the flow guide areas to ensure that the surface of the laminar object can keep dry.

The invention discloses an anti-bubble infusion drip chamber. The anti-bubble infusion drip chamber comprises a drip chamber main body; the drip chamber main body is provided with an upper part and alower part, namely a drip chamber part arranged on the upper portion and a filtering part arranged on the lower portion; the filtering part is provided with a liquid storage cavity communicating withan inner cavity of the drip chamber part, and a liquid medicine filter and an air filter which are arranged on two sides of the liquid storage cavity; a liquid medicine flow channel is arranged on theside wall of the filter and is provided with a liquid inlet and a liquid outlet; the liquid inlet is formed above the liquid outlet; a liquid medicine filter membrane is arranged between the liquid inlet of the flow channel and the liquid storage cavity; and the air filter is arranged on the drip chamber main body on at least one side of the filter membrane. A horizontally-placed liquid medicinefilter membrane in a traditional drip chamber can cause unsmooth flow of liquid medicine due to surface tension of the liquid medicine and accumulation of impurities; and by transforming the drip chamber, the liquid medicine filter membrane is vertically or obliquely arranged, so that on one hand, the impurities can be prevented from being accumulated on the surface of the filter membrane, and onthe other hand, the surface tension of the liquid medicine can be destroyed.

The invention relates to the technical field of chemical stirring, and discloses a stirring device for solid-liquid mixing under a high viscosity condition. The stirring device comprises a stirring shaft, an upper layer inclined blade downward pressing stirrer, a middle layer frame type stirrer, a lower layer bottom scraping upper stirrer and a fourth hub. The fourth hub is fixed on the lower side of a stirring shaft body. Paddles are evenly arranged on the outer side of the fourth hub. According to the scheme, the stirring device suitable for solid-liquid mixing under the high-viscosity condition can be designed through combined use of the stirrers and improvement and innovation of the blade form of the stirrers. Due to the fact that the viscosity of liquid in the reaction kettle is high, the flow pattern formed by fluid rotating around a shaft is laminar flow, surface tension among liquid molecules prevents mixing of solid media, so that the mixing effect is poor, the edge of a blade of each stirrer is designed to be of a tooth-shaped structure, optimization design is carried out, the shearing force of the blade is increased, the surface tension among the liquid molecules can be damaged, and the stirring effect is improved. Therefore, the solid-liquid mixing effect is enhanced.

The invention provides a drainage assembly and a cooking device.The drainage assembly comprises a plate body and at least one drainage plate, and a drainage part is arranged on the plate body; at least one drainage plate is arranged on the plate body; any one of the at least one drainage plate at most partially covers the drainage part; when the condensed water is gathered at the water dischargingpart,the drainage plate can reduce the contact area of condensed water and the plate body, namelyat the position wherethe drainage plate is arranged,condensate water is not in contact with the surface of the plate body, and the contact area of the condensate water and the plate body is reduced, so that the surface tension effect of the water is destroyed, the condensate water can be smoothly drained through the drainage part, the workload of manually cleaning accumulated water on the plate body is reduced, and the problem of bacterium breeding caused by accumulation of the condensate water isalso avoided.