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7356 results about "Honeycomb" patented technology

A honeycomb is a mass of hexagonal prismatic wax cells built by honey bees in their nests to contain their larvae and stores of honey and pollen. Beekeepers may remove the entire honeycomb to harvest honey. Honey bees consume about 8.4 lb (3.8 kg) of honey to secrete 1 lb (454 g) of wax, so it makes economic sense to return the wax to the hive after harvesting the honey. The structure of the comb may be left basically intact when honey is extracted from it by uncapping and spinning in a centrifugal machine—the honey extractor. If the honeycomb is too worn out, the wax can be reused in a number of ways, including making sheets of comb foundation with hexagonal pattern. Such foundation sheets allow the bees to build the comb with less effort, and the hexagonal pattern of worker-sized cell bases discourages the bees from building the larger drone cells.

Honeycomb filter for exhaust gas decontamination, adhesive, coating material and process for producing honeycomb filter for exhaust gas decontamination

An object of the present invention is to provide a honeycomb filter for purifying exhaust gases which makes it possible to alleviate a thermal stress generated due to occurrence of a local temperature change and which is less likely to generate cracks and superior in strength and durability, an adhesive that has a low thermal capacity and is capable of alleviating the thermal stress, a coating material that has a low thermal capacity with a superior heat insulating property and is capable of alleviating the thermal stress, and a manufacturing method of the honeycomb filter for purifying exhaust gases that can improve precision in the outside dimension, and reduce damages in the manufacturing processes.
The present invention relates to a honeycomb filter for purifying exhaust gases, having a structure in that a plurality of column-shaped porous ceramic members, each having a number of through holes that are placed side by side in the length direction with partition wall interposed therebetween, are combined with one another through adhesive layers so that the partition wall that separate the through holes are allowed to function as a filter for collecting particulates, and in this structure, the thermal expansion coefficient αL of the adhesive layer and the thermal expansion coefficient αF of the porous ceramic member are designed to have the following relationship:
0.01<|αL−αF|/αF<1.0.
Owner:IBIDEN CO LTD

Self-adapting transmission method and system in ascending honeycomb video communication

InactiveCN101222296AImprove playback qualityReduce packet loss eventsError preventionData streamPacket loss
The invention discloses a self-adaptive transmission method and a self-adaptive transmission system in the uplink cellular video communication of the wireless multimedia communication technical field. The method is that: a feedback-based channel effectively transmits bandwidth perceiving; the sending speed of a data flow is adjusted according to the perceived effective transmission bandwidth, the adjustment of the sending rate is realized by changing the packet length of the data flow; two-stage information resource rate control based on cache cleaning and rate control of an encoder is used. The device comprises a sending end, a transmission network and a receiving end, wherein the sending end comprises a video encoding unit and a transmission control unit, the receiving end comprises a transmission control unit and a video decoding unit, the sending end and the receiving end transmit messages through the transmission network. The sending rate of the invention can automatically adapt to the change of the channel bandwidth, decreases the probability of packet loss caused by the fluctuation of the wireless channel bandwidth, and realizes that the customer side can obtain the best possible playing quality under the condition of constant change of network operation conditions.
Owner:SHANGHAI JIAO TONG UNIV

Roller-type reverse thermal desorption system for soil polluted by organic matters

ActiveCN102029287ALarge amount of processingImprove thermal desorption efficiencyContaminated soil reclamationCooling towerEngineering
The invention relates to a roller-type reverse thermal desorption system for soil polluted by organic matters. The roller-type reverse thermal desorption system comprises a soil feeding system, wherein the soil feeding system and a heat source system are connected with a reverse thermal desorption system; the reverse thermal desorption system is connected with a dust removing system, a cooling system and an active carbon adsorption system in turn; and control ends of the soil feeding system, the heat source system, the reverse thermal desorption system, the dust removing system, the cooling system and the active carbon adsorption system are connected with a control system. In the roller-type reverse thermal desorption system, hot air is fed into a reverse thermal desorption roller by an ignition system, and polluted soil is fed into the reverse thermal desorption roller by a soil transferring device, wherein the hot air contacts the soil reversely, so that organic pollutants contained in the soil are heated and volatilized; the purified soil is used as backfill soil; and the volatilized tail gas is dedusted by a cyclone dust extractor and an adsorption dust extractor after passing through an induced draft fan, and the dedusted volatilized tail gas is absorbed by a honeycomb-shaped active carbon tower after passing through an atomization cooling tower and a dial plate cooling device, and finally is discharged by a tail gas exhaust device on the basis of meeting the national standard. Materials can be fed into the roller-type reverse thermal desorption system continuously and can be heated directly; and the hot air and the polluted soil are fully mixed, and the roller-type reverse thermal desorption system has high thermal desorption efficiency.
Owner:TSINGHUA UNIV +1

Hard carbon material for power and energy-storage battery and preparation method thereof

ActiveCN101916845AExcellent intercalation and delithiation abilityImprove cycle stabilityCell electrodesHigh rateCharge discharge
The invention discloses a hard carbon material for a power and energy-storage battery and a preparation method thereof, and aims to solve the technical problem of improving high-rate charge-discharge performance of lithium-ion batteries. The material is provided with a hard carbon matrix, and a coating is coated outside the hard carbon matrix; and the surface of the hard carbon matrix has a honeycomb opening structure. The preparation method comprises the following steps of: dipping, washing, dewatering and drying, presintering at low temperature, crushing, pyrolyzing, crushing and coating. Compared with the prior art, the hard carbon material has the reversible specific capacity of more than 450mAh/g, the first cycle columbic efficiency of over 81 percent, 0.2C 300-cycles capacity-retaining rate of over 97 percent at the temperature of 60 DEG C, and the 0.2C 300-cycles capacity-retaining rate of over 88 percent at the temperature of -30 DEG C, has the advantages of excellent lithium intercalation and deintercalation capability and cycling stability, and simple preparation process, and is applicable to the lithium ion battery cathode materials for lithium ion power batteries, various portable devices and electric tools.
Owner:深圳贝特瑞钠电新材料科技有限公司

Application and design for embedding bionic honeycomb-shaped active safety escape capsule into aircraft

The invention provides the application and design for embedding a bionic honeycomb-shaped active safety escape capsule into an aircraft. The application and design comprise the following related technologies including redesign of a main machine body of the aircraft for the embedded type bionic honeycomb-shaped active safety escape capsule, internal space layout design of the main machine body of the aircraft for the embedded type bionic honeycomb-shaped active safety escape capsule, design of an escape capsule embedded type shell and the shape, analysis of influences of the embedded escape capsule on the overall load of the aircraft, integral analysis and determination of flight aerodynamic load data, selection of an escape capsule material, escape capsule ejection mode analysis and ejection device design, logic design of launch motion of the escape capsule, internal space structure analysis of the escape capsule; active safety design of space landing of the escape capsule, description of flight dynamics influences of the escape capsule on the aircraft during and after separation, and design of an active help seeking system of the escape capsule. In this way, the application and design for researching and manufacturing the bionic honeycomb-shaped active safety escape capsule embedded into the aircraft are achieved.
Owner:王晨
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