184results about How to "Improve contact status" patented technology

A transformation method for petroleum hydrocarbons includes the following steps: hot regenerated catalyst is returned to the bottom of a reactor after cooling down and is conveyed to the bottom of the first reaction zone of the reactor by pre-lifting gas so as to contact preheated base oil for cracking reaction; the mixture of reaction products, water vapor and catalyst enters into a diameter-expanded second reaction zone for further hydrocarbon transformation reaction with the reaction products, water vapor and spent catalyst undergoing gal-solid separation; gas phase products are separated to obtain various products; in addition, the spent catalyst is conveyed to a regenerator after steam stripping for recycling use after singeing regeneration or part of the spent catalyst directly enters into the mixer arranged at the bottom of the reactor. The method which adopts a reactor riser with two reaction zones improves the contact state of base oil and catalyst through lowering oil contact temperature so as to increase the yield and the selectivity of object reactant and to improve the properties of object product.

It is intended to reliably form high-quality via-hole conductor with less variation, and to realize a circuit forming board having excellent connection reliability. It provides a conductive paste comprising primary particles and agglomerate of primary particles, conductive particles of 0.5 to 20 μm in average particle diameter and 0.07 to 1.7 m2 / g in specific surface area, and a binder based on thermosetting resin, and also provides an inexpensive circuit forming board with high connection reliability by using the paste.

A drive traveling mechanism of a peristaltic pipeline robot mainly solves the problem that existing pipeline internal drive travelling mechanism are lower in driving force and hard to drive robots to run for long distance in pipelines. The drive traveling mechanism of the peristaltic pipeline robot is characterized in that the drive traveling mechanism consists of two crank-and-rocker mechanisms and a worm-and-gear mechanism which share a robot body as a framework, a connecting rod of one crank-and-rocker mechanism is of an elastic connecting rod structure, and the elastic connecting rod penetrates through a rocker which swings around the robot body to be further connected with a gear rotating around the robot body so as to form one crank-and-rocker mechanism. The two crank-and-rocker mechanisms identical in structure are respectively arranged from front to back. When a motor drives the worm to drive the gear to rotate, traveling legs connected to the two crank-and-rocker mechanisms arranged from front to back realize translational motion. The two crank-and-rocker mechanisms serving as components of the drive traveling mechanism are distributed along the radial direction of the worm by 120 degrees and are driven by the same worm. The drive traveling mechanism has the advantages that traveling legs can contact with walls of pipelines sufficiently to generate higher dragging force so that the robot can travel by a long distance in the pipelines.

A plasma generator for forming a thin film comprises a cathode (4) for supplying constituent particles of an arc plasma and a trigger-and-anode (6) for starting and sustaining the arc plasma. The cathode surface (4a) of the cathode (4) is flat or finely irregular, and the anode surface (6c) of the trigger-and-anode (6) brought into contact with the cathode surface (4a) is flat. The anode surface (6c) is so arranged as to be brought into contact with the whole cathode surface (4a) when plasma is started. The contact point between a fine projection end (4b) of the cathode surface (4a) and the anode surface (6c) is made a plasma emission point. When the projection is consumed by plasma emission, another projection end which can be brought into contact with the anode surface (6c) is used as another plasma emission point, thus enabling intermittent operation of persistently repeating the sequence operation.

An evaporator for a looped heat pipe (LHP) system, the evaporator including a plurality of wicks having pores formed therein; a plurality of heat transferring fins respectively having a wick coupler to be coupled to one of the plurality of wicks; a plurality of unit assemblies formed by respectively coupling each of the wicks and each of the heat transferring fins; an assembly structure formed by horizontally disposing the unit assemblies to enable a bottom surface of each of the unit assemblies to be located on a planar surface; a heat transferring plate coupled to a bottom part of the assembly structure; and a covering member coupled to the heat transferring plate.

An electronic component mounting board, including: a substrate base made of a flat-plate-like elastic body, the substrate base having a plurality of through-holes in a manner spaced a predetermined distance apart from each other; conductive members, each of which has a main unit portion filled in the through-hole, the main unit portion having a first protrusion portion and a second protrusion portion respectively on a first end and a second end thereof, with the first protrusion portion arranged so as to protrude from a first surface of the substrate base and the second protrusion portion arranged so as to protrude from a second surface of the substrate base; a flexible substrate that is arranged on the first surface of the substrate base and that has first opening portions for penetration of the first protrusion portions; and a plurality of oval electrodes arranged on the substrate, each of which has a second opening portion for penetration of the first protrusion portion, in which the electrodes are arranged in a manner spaced apart from each other, and each of the second opening portions is formed on a first end side of each of the electrodes.

The invention discloses a lever amplification-based double-foot driven non-resonant piezoelectric linear motor, which comprises a stator assembly, a linear guide rail, a pre-loading device, a stator fixing plate and a bottom plate, wherein the stator assembly is fixedly connected to the stator fixing plate; a rotor guide rail is arranged at the front end of the stator assembly and the rear end of the stator assembly is connected with the pre-loading device; a pre-loaded spring is arranged in the pre-loading device; the front end of the stator assembly and the rotor guide rail are kept in contact under the action of the pressure generated by deformation of the pre-loaded spring; the rotor guide rail, the pre-loading device and the pre-loaded spring all are arranged on a base; and the stator assembly comprises stator structure bodies, laminated piezoelectric ceramic, a cushion block and pre-loaded bolts. The motor disclosed by the invention is simple in structure, small in size and convenient to install. Certain electric signals are applied to four groups of laminated piezoelectric ceramic respectively, so that linear motion of the piezoelectric motor can be achieved.

In a gas insulated breaking device which accommodates open / close elements including a puffer cylinder which compresses an insulation gas and extinguishes an arc and an electricity supply means which has a slide contact portion which is brought into slide contact with a slide contact portion of the puffer cylinder in the inside of a vessel in which the insulation gas is sealed, a relatively soft plating film is formed on the slide contact portion of the puffer cylinder, and a relatively hard plating film is formed on the slide contact portion of the electricity supply means, and the silver plating film of each slide contact portion has an inner layer thereof formed of a soft film and an outer layer thereof which constitutes a surface portion formed of a hard film.

The present invention relates to an abutment of an implant system. It is a primary object of the present invention an abutment of an implant system capable of achieving an escape groove of air compressed in an assembling hole in such a manner that a circular rim groove is formed at a post part of an abutment. In addition, it is capable of enhancing a surface contacting state in such a manner that a certain flexibility is provided at an upper side and a lower side of a post part. An easier operation work can be achieved in such a manner that it is easy to hold using a tool or a jig when an abutment is inserted into and is pulled out from a fixture. To achieve the above objects, in an implant system that includes a fixture having a taper assembling hole at an upper surface, an abutment having a taper post part so that it is inserted into the assembling hole of the fixture, and a restoration assembled to an upper side of the abutment, there is provided an abutment of an implant system comprising at least one circular rim groove formed at an outer surface of a lower side of an intermediate portion wherein the post part is assembled into the assembling hole.

This invention provides a method for forming a light absorbing layer in a CIS-based thin film solar battery, which, in a simple apparatus, the temperature within the apparatus can be rendered uniform and can improve contact between a reactive gas and selenium and sulfur. A fan (3) as an atmosphere homogenization means is provided within the apparatus. Further, objects are arranged by a method which can render the convection of the reactive gas smooth. Specifically, a plurality of flat-plate objects (2) are arranged while providing given spacing between the objects in such a manner that the objects are parallel to the longitudinal direction of the apparatus with the plate face being perpendicular thereto. Further, an internal flow passage is provided within the group of objects, and a gas flow passage is provided on the upper part, the lower part, and both sides. According to the above construction, each object can easily come into contact with the reactive gas within the apparatus, the temperature within the apparatus becomes uniform, and the contact between the reactive gas and selenium and sulfur is improved.

The invention discloses a blood occlusion device for a hepatic operation. The device comprises a tube body capable of being planted into a blood vessel. A displacement prevention device is arranged on the outer surface of one end of the tube body. A cavity is arranged inside the tube body. A blood occlusion device body is arranged inside the cavity. The displacement prevention device comprises an expander. The expander comprises a plurality of step protrusions evenly arranged on the outer surface of one end of the tube body. The step protrusions are in a wedge shape. An adjusting groove is formed in the surface, matched with the outer surface of the tube body, of each step protrusion. A groove is formed in the position, matched with each adjusting groove, of the tube body. According to the technical scheme, the displacement prevention device and the blood occlusion device are indispensable; if the displacement prevention device is omitted, the fixed position cannot be ensured, and the operation progress is affected; if the blood occlusion device is omitted, the predetermined effect cannot be achieved. The displacement prevention device and the blood occlusion device are operated in the operation process, so that the operation time is greatly shortened, and the survival probability of a patient is increased.

The invention discloses a fixed fluidized bed reactor and a using method thereof. The fixed fluidized bed reactor comprises a top sealing structure and a reactor main body, as well as an outlet pipe and a feeding pipe which are communicated with the reactor main body, wherein the reactor main body comprises a settling section, a reaction section and an oiling agent initial contact section from top to bottom, wherein a coking inhibitor injecting part is arranged at the bottom of the settling section, the coking inhibitor injecting part comprises a frustum-shaped baffle plate arranged in the circumferential direction of the inner wall of the bottom of the settling section, an annular filter plate for connecting the top of the frustum-shaped baffle plate with the inner wall of the reactor main body, and a coking inhibitor injecting hole, a cavity is formed among the frustum-shaped baffle plate, the annular filter plate and the inner wall of the reactor main body, and the coking inhibitor injecting hole is communicated with the cavity. By adopting the fixed fluidized bed reactor disclosed by the invention, a coking inhibitor is injected through the coking inhibitor injecting part, so that the yield of coke can be remarkably reduced.

The invention provides a gear grinding machining method and device. The method adopts an abrasive belt which is high in grinding efficiency, the abrasive belt is in high-speed motion along the tooth width direction of a gear to conduct grinding, and the abrasive belt is in generating motion relative to a gear blank to grind each tooth socket tooth surface sequentially and swings slightly relative to the generatrix of the tooth surface to achieve crowned tooth surface shape correction. The device for achieving the grinding machining method is provided and comprises a bed body, a lifting table, a gear blank rotation dividing head, a gear blank flat moving work table, a gear blank dip angle table, an abrasive belt feeding work table and an abrasive belt deflection rotary disc. A numerical control system controls all the portions to be in linkage and conducts complementation of abrasive belt abrasion loss, machining of various gears can be achieved by using suitable press grinding plates and belt guiding wheels or guiders, disc-shaped or worm-shaped grinding wheels are not required, and the method and device has high machining efficiency and machining quality.

Signal omissions are prevented from occurring in the magnetic data transferred to a slave medium by magnetic transfer employing a magnetic transfer master medium. A master medium formed of a material and having a thickness wherein the bow stiffness=Ebd3 / 12 thereof is in the range greater than or equal to 0.3 N.m2 and less than or equal to 370 N.m2, for a sample piece thereof having a width defined of 1 m and an arbitrary length, and utilizing the Young's modulus E obtained by use of a vibration reed method on sample having a length of 50 mm, an arbitrary width b, and a thickness d.

The invention discloses a multilayer-structure aluminum oxide composite ceramic. The surface layer of the composite ceramic is an aluminum oxide-composite lubricant layer; the interlayer is an aluminum oxide layer of which the layer thickness ratio is 1:1 and the layer thickness is 150-1000 mu m; the aluminum oxide-composite lubricant layer is composed of 70-80 wt% of aluminum oxide and 20-30 wt% of a large-particle spherical composite lubricant; the large-particle spherical composite lubricant is graphite, barium sulfate, graphite-barium sulfate or graphite-calcium fluoride; and the aluminum oxide in the surface layer and interlayer respectively contains 5 wt% of a sintering aid. The invention also discloses a preparation method of the composite ceramic. The aluminum oxide composite ceramic has excellent processability, mechanical property (high toughness), reliability (high work of rupture), heat stability (high anti-thermal shock stability) and tribological property (low frictional wear).

The invention discloses a special-purpose collecting component for cotton type siro spinning, which comprises a steel wire hook, a connecting shaft and two collecting devices; the steel wire hook is positioned on the middle of the connecting shaft; and the collecting devices are disposed respectively on two sides of the connecting shaft. The invention is characterized in that: the collecting device is disposed with an A clustering port and a B clustering port which are isolated from each other; the width of the A or B clustering port is 1mm-3mm; and the center distance of the A and B clustering port is 3mm-11.5mm. Advantages: by disposing two isolated clustering ports on the collecting device and designing the width of the A or B clustering port as 1mm-3mm, the invention can cluster fibers effectively and reduce the siro spinning hairiness; and the center distance of the A and B clustering port is 3mm-11.5mm, two yarns is drawn by the front leather roller, then is respectively passed the A clustering port and the B clustering port, and the two yarns from respectively from the A clustering port and the B clustering port with even stresses form a larger triangle area with the jointing point, thereby, the invention achieves better twisting effect, improves siro yarn strength, and further reduces the siro spinning hairiness.

A mating operation mutually between connectors can be easily and precisely carried out with a simple configuration. An insertion reference surface having a predetermined outer-diameter size D1 is provided to extend by a predetermined length in an axial direction on an outer peripheral surface of an inner-side contact among both cylindrical-shaped contacts overlapped with each other in inside / outside in the radial direction. A mutual mating relation is set so that the inner peripheral surface of the outer-side contact has an inner-diameter size D2 (D2≈D1) approximately same as an outer-diameter size D1 of the insertion reference surface of the inner-side contact. The outer-side contact can be smoothly inserted while carrying out positioning by the insertion reference surface of the inner-side contact 13.

The invention relates to mounting technology for roll collars of line and bar cantilever type rolling mills, in particular to a tapered bushing for the line and bar rolling mill, which can effectively improve the contact states among a roll shaft, a taper sleeve and the roll collar. The tapered bushing comprises a cylinder body provided with a taper sleeve inner conical surface, the outer surface of one end of the cylinder body is a taper sleeve outer contact face, the other end of the cylinder body is provided with a hanger for relieving pressure, and the cylinder body is provided with an inner toothed plate at the position of an inner hole of the hanger for relieving the pressure; one third part from one end of the cylinder body to the other end of the cylinder body and the taper sleeve outer contact face are provided with annular grooves, the sections of the annular grooves are arc-shaped, the depth of the arc is 0.5 to 0.8 millimeter, and the radius of the arc is 5 to 8 millimeters; and the outer surface of the cylinder body adjacent with the taper sleeve outer contact face is provided with a non-contact face. A heat-resistant martensitic stainless steel oCr17Ni4Cu4Nb is used as a raw material and subjected to special stamp forging and finish machining designs.

The invention discloses an induction garment and a making method thereof and a human body index collecting system. The induction garment comprises an elastic under bust, n fabric-structured flexible electrodes are arranged at the positions, corresponding to a human body electrocardio induction-sensitive area, of the elastic under bust, and the surfaces, facing a human body when the garment is worn, of the n fabric-structured flexible electrodes are provided with n silica gel rings; the garment further comprises n electrode buckles capable of being correspondingly connected with n electrode buckles arranged on an electrode data processor and n lead wires used for correspondingly connecting the n fabric-structured flexible electrodes with the n electrode buckles, wherein n is an integer greater than or equal to 2. The fabric-structured flexible electrodes are very flexible, can adapt to the body surface hook face of the human body and be easily attached to the body surface of the human body, is comfortable, can be washed with water and repeatedly used, can be easily integrated into a whole with the garment and is suitable for dynamic and long-time monitoring. By adopting the fabric-structured flexible electrodes to perform electrocardio collecting, the heart rate, the electrolyte, the body fat content, breathing and the like of the human body are more accurately collected.

The invention discloses a lever amplification based alternative stepping piezoelectric linear motor. Lamination piezoelectric ceramic is taken as a main driving component, the position of the lamination piezoelectric ceramic on a stator combination body is reasonably arranged, the displacement of the lamination piezoelectric ceramic is amplified and output by a lever mechanism and a hinge mechanism, so that the piezoelectric linear motor can output relatively high linear speed and a push force, theoretically has equal bidirectional output performance, can generate relatively large travel, and is high in accuracy and high in stability. By the lever amplification based alternative stepping piezoelectric linear motor, the problems of relatively low motor output stability caused by relatively small displacement of the lamination piezoelectric ceramic and a processing error in the prior art are solved.

The present invention provides a rotating machine which can maintain good contact state between the brush and the metal rotating body. A rotating machine of the present invention includes a stator including a stator winding, a rotor including a rotor winding and rotatably disposed apart from the stator with a gap, a metal rotating body electrically coupled with the rotor winding, a brush in contact with the metal rotating body, and a pressing mechanism for increasing pressure to press the brush against the metal rotating body when contact failure occurs between the metal rotating body and the brush.

A tapered roller bearing includes an outer ring 23, an inner ring 22, a tapered roller 24 interposed between the outer ring 23 and the inner ring 22, and a cage 25 holding the tapered roller 24. The tapered roller bearing is used in an idler portion of an automobile transmission that switches between an idle state in which the outer ring 23 rotates freely in relation to the inner ring 22 and a shift state in which the outer ring 23 rotates synchronously with the inner ring 22. The tapered roller bearing includes a fretting suppressing means configured by a ratio of dynamic load rating Cr to static load rating Cor being set to Cor / Cr≧1.4.

Each of collectors 22 of an electrode structure 20, which partially constitutes a polymer electrolyte fuel cell, is formed from a metal lath MR having a large number of through-holes. A stopping portion 22a in which the through-holes are reduced in diameter is formed at a peripheral end portion of the collector 22. The peripheral end portion of the collector 22 is folded; subsequently, the folded peripheral end portion is pressed, thereby forming the stopping portion 22a. A resin seal portion 23 for sealing introduced fuel gas and oxidizer gas is formed integrally with the stopping portions 22a by insert molding which is performed such that an injected molten resin encloses the stopping portions 22a. The resin seal portion 23 formed integrally with the stopping portions 22a can reliably prevent inflow of the molten resin toward central portions of the collectors 22.

The invention discloses an ultrasonic motor driven by a screw thread pair based on a bending vibration mode and a working method thereof, wherein the ultrasonic motor and the working method belong tothe technical field of the ultrasonic motor. The ultrasonic motor comprises a stator, a mover, a base and a pre-pressure loading component, wherein the stator (1) is fixed on the base (3). The mover (2) is assembled in the stator (1) through a screw thread which matches the inner surface of the stator (1) on the external surface. The pre-pressure loading component (4) is configured on the mover (2). A pre-pressure between the mover and the stator is adjusted through adjusting a pre-pressure bolt (41) at one end of the mover (2). In operation of the motor, the stator can drive the mover performmovement in two directions in an axis. Compared with a traditional thread pair linear ultrasonic motor, the ultrasonic motor is advantageous by a designing method of configuring the pre-pressure loading component on the mover, and a problem of incapability of changing the pre-pressure of the screw thread pair motor, thereby improving output efficiency and positioning precision of the motor.

The invention relates to a pin roller bearing nut and screw rod pair. The pin roller bearing nut and screw rod pair comprises a screw rod and a nut, wherein the screw rod is externally provided with an outer thread; the pin roller bearing nut and screw rod pair further comprises a pin roller; the pin roller comprises a pin roller body; a roller head part of the pin roller body is in a cone frustum structure; a roller main body of the pin roller body is in a cylindrical structure; the nut is provided with pin roller holes; the roller main body is located in the pin roller holes to form clearance fit; the roller head part is located in a tooth groove of the screw rod to form the clearance fit; the diameter of each pin roller hole is a half of a screw pitch of the screw rod and the pin roller hole is arranged spirally; at least two circles of the pin roller holes are arranged; the pin roller holes are divided into pin roller positioning holes and pin roller adjusting holes; the pin roller positioning holes and the pin roller adjusting holes are arranged on a spiral track at intervals; the centers of the pin roller positioning holes are located on the central line of the spiral track; the centers of the pin roller adjusting holes are upwards or downwards deviated for the distance of one tolerance clearance relative to the axial direction of the central line of the spiral track. The pin roller bearing nut and screw rod pair is high in positioning precision, is great in bearing load, is safe and reliable in performance, is reasonable in structure, is convenient to mount and maintain and is wide in applicable range.

Provided is an electrode sheet that, using a high polymer solid electrolyte, can be used in an all-solid battery that has a low internal resistance and a low susceptibility to internal shorting. An electrode sheet 10 comprises: a current collector 11; an electrode 12 that is formed on the current collector and that contains active material particles 13 and a high polymer solid electrolyte 14 embedded in the spaces between the active material particles; and a separator layer 15 that is formed on the electrode and that contains inorganic solid electrolyte particles 16 and the high polymer solidelectrolyte 14 which is embedded in the spaces between the inorganic solid electrolyte particles.