41results about How to "Small drop" patented technology

An exhaust heat recovery apparatus includes a reciprocating internal combustion engine in which a piston reciprocates in a cylinder to generate motive power; and a Stirling engine that recovers the thermal energy of the exhaust gas discharged from the internal combustion engine and converts the thermal energy into kinetic energy. The Stirling engine is united with the internal combustion engine. A heater that the Stirling engine includes is disposed in an exhaust manifold of the internal combustion engine. With this configuration, it is possible to restrict reduction in the power output from the exhaust heat recovery means.

Provided are an active type boost converter of a switch reluctance generator and a control method thereof. A preceding-stage circuit composed of a boost capacitor, a main power switch and a power diode is added at a preceding stage of a traditional three-phase dissymmetrical half-bridge power converter, energy storage of the boost capacitor is regulated and motor excitation and demagnetizing voltage are controlled by controlling the main power switch in the preceding-stage circuit, and then a combined control strategy of a dissymmetrical half-bridge circuit and the preceding-stage circuit is proposed for controlling the power converter. By controlling the power generating power of a dissymmetrical half-bridge circuit regulating system and adjusting the energy flow in the preceding-stage converter, motor excitation and demagnetizing voltage are controlled, meanwhile output voltage ripples of the system can be effectively reduced, and the quality of electric energy is improved.

The invention relates to a preparation method of a hollow graphite material and a hollow graphite material prepared by the same. The preparation method comprises the following steps: adding the grinding balls, a ball milling medium and graphite powder into a ball milling tank at a mass ratio of (2-30):(1-10):1; performing ball milling for 5-60 hours on ball milling equipment at a speed of 100-800r / min; and removing the ball milling medium and drying. The hollow graphite material prepared by the method has the characteristics of high specific surface area, high porosity and lamellar form and can increase the embedded quantity of the embedded atoms and guarantee the embedding uniformity; by adopting the mechanically modified ball milling technology, the method is simple to operate and facilitates large-scale production.

It is an object of the invention to provide a spin finish generating neither tar nor scum in false twisting treatment either of the hot plate contact heating type or of the non-contact heating type using a radiation type high temperature heater and thus enabling long term stable false twisting treatment. This invention provides a spin finish for synthetic fibers which satisfies the following relations (1) and (2): 10<=T<=22 (1) 0<=Re<=0.25 (2) where T is the surface tension (mN / m) of the oil after allowing the same to stand at 220° C. for 1 hour and Re is the percent residue (% by weight) on heating of the oil after allowing the same to stand at 400° C. for 24 hours.

An input unit inputs sequentially bit data, where the bit data is convolutionally coded by a generator matrix defined according to a constraint length and a coding rate and has the number of streams defined by the coding rate. A temporary decoded data shift register unit delays temporary decoded data over at least a period of time corresponding to the constraint length. A generation unit generates, per stream, bit data serving as candidates for a decoding, by performing exclusive OR based on the generator matrix on the delayed temporary decoded data and the inputted bit data. A comparator and a selector select any of the bit data per stream generated by the generation unit, as a decoding result, and outputs the selected decoding result.

This invention provides a system for separating a field of view (FOV) of a scene imaged by a vision system camera assembly, in which a separating mirror assembly redirects a first optical path of at least a first optics with respect to at least a first image sensor in the camera assembly. A first reflecting assembly redirects the first optical path from the separating mirror toward a first FOV. The first optical path is extended free of splitting the image. The separating mirror assembly redirects a second optical path of a second optics with respect to a second image sensor in the camera assembly. A second reflecting assembly redirects the second optical path from the separating mirror toward a second FOV. The second optical path is extended free of splitting the image projected from the scene on the second image sensor.

The invention discloses a modified BaTiO3 / PI dielectric energy-storing three-layer composite film and a preparation method thereof. The modified BaTiO3 / PI dielectric energy-storing three-layer composite film is composed of an upper layer, a lower layer and a middle layer, wherein the upper and lower layers are made of a PI composite material filled with BaTiO3 nanoparticles, and the middle layer is made of a pure PI material. The method employs an in-situ polymerization process and a coating process to prepare the modified BaTiO3 / PI three-layer composite film. Experimental results show that the composite film has excellent dielectric comprehensive properties, high breakdown field strength and energy storage density, so the composite film has great application prospects in the fields of capacitors and accumulators.

A multicarrier signal transmission apparatus provided with a hard clip suppression unit for hard clipping a peak part of a multicarrier signal, a low pass filter for filtering the signal hard clipped by the hard clip suppression unit, and a peak suppression unit for suppressing the peak part of the signal after filtering by the low pass filter, the peak suppression unit provided with a peak detection unit for detecting a peak part of the filtered signal, a window function generation unit for generating a window function of an amplitude in accordance with a peak level of the peak part, and a peak suppressor for attenuating the peak part in accordance with the value of the window function.

The invention discloses a continuous cooling dampening machine capable of performing cooling and moisturizing on scented tea. The continuous cooling dampening machine comprises a machine frame, a flattransmission machine, a feeding hopper, a discharging hopper, a cooling and moisturizing device, a tea leaf leveling device and a tea leaf spreading and falling device, wherein a closed machine bodyis arranged on the machine frame; the executing tail end of the tea leaf leveling device and the tea leaf spreading and falling device are located in the closed machine body; and the input end and theoutput end of the cooling and moisturizing device are respectively connected with the closed machine body. According to the continuous cooling dampening machine disclosed by the invention, the temperature in the machine body can be controlled, so that after fixation, the continuous, uniform and quick cooling of tea leaves can be realized, and the characteristic of being ''green in color'' of thetea leaves is maintained; the humidity of the inner environment of the machine body can be controlled, and the closed space is combined, so that moisture in the tea leaves cannot be liable to dissipate in a humid environment of which the moisture content is close to saturation, and the dampening effect is easy to achieve; the dampening is uniform and short in time, so that the dampening quality ofthe tea leaves and the quality of finished product tea are improved, and the production efficiency is also greatly improved; and the continuous cooling dampening machine is compact in structure, canperform continuous operation, and is suitable for continuous automatic production lines to use.

The high-pressure discharge lamp of the present invention includes: a discharge chamber that is formed in a silica glass tube, a pair of electrodes that are arranged with ends confronting each other in the discharge chamber; metal foil parts that are superposed and bonded to the other ends of the electrodes, and sealing sections for hermetically sealing the discharge chamber and which are parts for embedding the other ends of the electrodes and the metal foil parts in the glass at the two ends of the silica glass tube. The electrodes and the metal foil parts are embedded in the glass in a state in which metal coils are wrapped around the vicinities of the junctions of the electrodes and metal foil parts. The ends of the metal foil parts on the electrode side are further formed as tapered portions. In addition, the tips of the tapered portions on the electrode side are positioned, with respect to their direction of width, within the width in the radial direction of the electrodes.

The invention concerns a motor vehicle hood (1) consisting of a skin (2) designed to be visible and of a lining (3) assembled edge-to-edge to the skin, the lining having elongated and substantially parallel alternating recesses (2) and raised parts (9), said recesses (5) whereof the concavity is oriented towards the skin, being distributed over substantially the entire surface of the hood. The invention is characterized in that each cavity consists of two substantially planar side walls each connected to a substantially planar base wall.

The invention discloses a nickel-zinc LTCF material with high magnetic conductivity and wide temperature power, which belongs to the technical field of ferrite materials, the raw materials comprise main components and auxiliary components, wherein the content of the main components is as follows: NiO (15-16) mol%, ZnO (29-30) mol%, CuO (6.5-7.5) mol% and Fe2O3 (47-50) mol%, and the content of theauxiliary components is as follows: MnCO3 (0.3-0.5) wt% and Bi2O3 (0.2-0.4) wt%; the material obtained according to the invention has an excellent microstructure after being sintered at about 900 DEGC; the temperature position of the magnetic conductivity (or inductance value L)-T curve with K1 approximately equal to 0 (compensation point) I peak is moved to +125-150 DEG C; the Curie temperatureis high (greater than or equal to 170 DEG C); a flat magnetic conductivity (or inductance value L)-T curve is formed between the peaks I and II; the material is good in temperature stability, and small in magnetic conductivity (or inductance L) drop after I peak value, the application working temperature range can be reliably expanded to -55 DEG C to +150 DEG C, and the use requirement that the inductance L change rate of the GM400 material for the chip LTCF micro-magnetic transformer is smaller than 20% is met.

A magnetization pattern of a rotor magnet for a stepping motor includes a plurality of magnetization portions, which is provided on the rotor magnet in a rotation direction of the rotor magnet. The magnetization portions have different magnetic poles which are alternately arranged. Some magnetization portions of the magnetization portions have respectively magnetization widths A. Said some magnetization portions are opposed each other with a rotary axis or the rotor magnet as a center among said some magnetization portions. The other magnetization portions of the magnetization portions have respectively uniform widths B. Each of the magnetization widths A is greater than that of the uniform widths B.

Provided is a positive photosensitive composition excellent in an etching factor and adhesion. The composition includes: (A) an alkali-soluble high molecular substance having in the molecule thereof at least one carboxyl group, (B) a photo-thermal conversion material which absorbs infrared rays from an image exposure light source to convert the rays to heat, and (C) a silane coupling agent. The silane coupling agent (C) is preferably a silane coupling agent having an alkoxysilyl group and at least one functional group selected from the group consisting of imidazole, vinyl, epoxy, methacryloxy, acryloxy, amino, mercapto, isocyanate, styryl, and polysulfide groups.

The invention provides a series of capacitor-used electrolytes. The capacitor-used electrolytes are alkyl-substituted tetraethylammonium tetrafluoroborate, wherein the alkyl is connected with N, and the number of carbon atoms of the alkyl is in a range of 3 to 10. A propylene carbonate solution of the electrolyte provided by the invention is adopted as an electrolytic solution of an asymmetric electrochemical capacitor, and graphite is adopted as a negative pole material, and activated carbon is adopted as a positive pole material, and therefore, the asymmetric electrochemical capacitor can be obtained. The electrolyte provided by the invention has high solubility in the propylene carbonate solution, and therefore, the insertion of positive ions in the electrolytic solution into the electrode materials and separation of the positive ions in the electrolytic solution from the electrode materials can be benefitted, and violent expansion or contraction of the lattices of the electrode materials can be avoided, and the performance of the electrode materials can be ensured, and as a result, the cycle performance and specific capacity of the capacitor can be improved. Experimental results indicate that the discharge specific capacity of the capacitor can be as high as 35mAh / g and the capacitor can have excellent cycle performance when the electrolyte provided by the invention is applied to the asymmetric electrochemical capacitor.

A frequency adjustment method is provided in which a residual substance is unlikely to be generated, the frequency can be adjusted with high precision, and a decrease in strength is made small.A frequency adjustment method for a piezoelectric vibrator includes preparing the piezoelectric vibrator having a base portion, a vibration arm that includes a connection portion connected to the base portion as well as vibration arm main bodies extending from the connection portion and that is made of a single crystal, a lower electrode formed on the vibration arm, a piezoelectric thin film formed on the lower electrode, and an upper electrode formed on the piezoelectric thin film; and forming an alteration portion by irradiating the connection portion with a laser beam.

The invention provides an n-alkene isomerization catalyst. The n-alkene isomerization catalyst comprises (by weight) 50-90% of molecular sieves and the balance aluminum oxide. The molecular sieves comprise (by weight) 75-90% of SAPO-11 and 10-25% of ZSM-5; the sizes of micro-particles of the molecular sieves in the n-alkene isomerization catalyst are 1-2 micrometers. The n-alkene isomerization catalyst has the advantages that the n-alkene isomerization catalyst is high in n-alkene isomerization activity and isoalkene yield, and the high isoalkene yield can be kept for a long time; the n-alkene isomerization catalyst is long in single-pass running period, low in repeated coke-burning regeneration performance decreasing range, suitable for procedures for preparing isobutylene from n-butene by means of isomerization reaction and procedures for preparing isopentene from n-pentene by means of isomerization reaction and particularly suitable for procedures for preparing isobutylene by means of post-ether carbon tetra-n-butene isomerization.

The invention discloses an integral type curtain wall structure. The integral type curtain wall structure comprises a glass mounting frame fixed to a building wall. The glass mounting frame is provided with a plurality of frame-shaped areas. Curtain wall glass is mounted in the frame-shaped areas. The integral type curtain wall structure further comprises at least one cross beam horizontally arranged and at least one inhaul cable vertically arranged. The upper ends and the lower ends of the inhaul cables are fixed. The inhaul cables are in a tensioned state. The two ends of each cross beam are fixed to the building wall. The cross beams are located between the two ends of the inhaul cables. The inhaul cables pass through the cross beams and are fixedly connected with the cross beams. The glass mounting frame is connected with the cross beams. By adopting the curtain wall structure, a large-area curtain wall can be realized. The curtain wall structure has good stability in the using process.

The hexagonal ferrite powder has an activation volume of greater than or equal to 800 nm3 but less than 1,200 nm3, a rare earth atom content falling within a range of 0.5 to 8.0 atom % per 100 atom % of iron atoms, and a localized presence of rare earth atoms in the surface layer portion, as well as is in the form of ellipsoidal powder.

A bumper arrangement includes a cross member and two deformation elements for arrangement between end regions of the cross member and longitudinal members of a motor vehicle. The cross member is hollow with a front and rear walls and upper and lower walls. The front wall has a depression extending in longitudinal direction of the cross member. The depression has a deepest region extending at a distance from the rear wall. The upper and lower walls of the cross member each have in the end regions a further depression which extends in longitudinal direction of the cross member, so that the upper wall and the lower wall are more corrugated in the end regions than in a central region of the cross member, so that the distance between the front wall and the rear wall in the end regions is smaller than in a central region of the cross member.

The invention relates to a low-temperature denitration catalyst capable of resisting halogen element Cl poisoning and a preparation method and application thereof. The catalyst is prepared through a surface impregnation combustion method, and the preparation method comprises the following steps: (1) dissolving manganous nitrate, cerous nitrate and fuel in deionized water to obtain a mixed solution; (2) adding titanium dioxide into the mixed solution, and uniformly stirring to obtain a precursor product; and (3) burning the precursor product in a combustion chamber, continuously roasting, and grinding the obtained solid reaction product to obtain the target product. The catalyst is used for NH3-SCR reaction. Compared with a catalyst prepared by a traditional impregnation method, the Mn-Ce-Ox / TiO2 low-temperature denitration catalyst prepared by the preparation method disclosed by the invention has relatively good low-temperature denitration activity and halogen element Cl poisoning resistance, and the reduction amplitude of the NOx conversion rate of the catalyst is relatively small in a temperature range of 100-200 DEG C; equipment required in the preparation process is simple, the cost of raw materials is low, the combustion reaction is mild, and the method is a simple, safe and reliable new method.