528results about How to "Set stable" patented technology

An endoscopic bite block, with teeth position defining regions which guide the subject's teeth to grip the bite block in their natural position, with the teeth of the upper jaw positioned further out than the lower jaw teeth. These teeth position defining regions are also preferably curved to match the curved shape of the jaw. The upper and lower parts of the front plate of the bite block may also be positioned at different distances out, so that upper and lower lip regions both contact the front plate snuggly. The bite block may be used with separate oral/nasal cannulae, or may incorporate breath sampling or gas supply cannulae. A flexible flapped curtain at the outer end of the bite block may be provided to largely enclose the inner volume of the bite block to enable more accurate capnographic sampling under conditions of wide-open mouth breathing.

A projection optical system, in which a plurality of light flux emitted from one conjugate plane enters another conjugate plane and an image formed on the one conjugate plane is projected on the other conjugate plane, includes: a first optical system including at least one lens; and a second optical system which includes at least two reflecting surfaces with optical power, a normal line of the other conjugate plane from a center of an image projected on the other conjugate plane has no intersection with any space of the first optical system, or the second optical system, or a space between the first optical system and the second optical system, and when a plane defined by a vertical direction of the image projected on the other conjugate plane and an extending direction of the normal line is set as a YZ plane, from the first optical system to the other conjugate plane an optical path intersects only once on the YZ plane.

A detachable seat for a vehicle, includes a seat cushion, a seat leg mechanism for supporting the seat cushion, the seat leg mechanism including a base member on which the seat cushion is carried, and first and second spaced apart leg members pivotally connected to the base member, a seat back pivotally mounted to the base member of the seat leg mechanism, a first cooperating mechanism on the first and second leg members and a vehicle floor for causing the seat to be releasably locked with the vehicle floor, and a second cooperating mechanism on the base member and the seat cushion for causing the seat cushion to be removably or detachably mounted with respect to the base member.

A medium feeding apparatus includes a main body, and a medium placing unit at least a part of which can be housed in the main body. The medium placing unit includes a first placing unit held by the main body in such a manner that the first placing unit is shiftable between a housed position where at least one of the first placing unit is housed in the main body and a placing position where the medium can be placed on the first placing unit, a second placing unit has a first shifting condition where the medium can be placed on the first and second placing units and a second shifting condition where the second placing unit is overlapped with the first placing unit, and an auxiliary member disposed on a boundary between the first placing unit and the second placing unit when the second placing unit is in the first shifting condition.

The adjustment mechanism contains a pneumatic spring that is placed vertically in the underframe, for adjusting height, and a pneumatic spring that is linked to the seat support at one end and the back-rest at the other, for synchronized adjustment of the angle. The pivotable back-rest and the fixed seat support are coupled with each other on the main rotational axis in two hinge connections. The main rotational axis runs above and crosswise over the seat plate. The seat plate has guide cranks on its underside, the supporting arms of the seat support engaging is said guide cranks in such a way that they can slide crosswise to the main rotational axis. The front bearing pegs of the supporting arms engage in the guide cranks. The seat plate is coupled together with the inclination spring on the moving rotational axis on the back-rest. The invention also relates to a back cover with a variably positionable lumbar reinforcement insert and height-adjustable armrests. The inventive adjustment mechanism offers efficient and comfortable synchronization between the sequences of movement of the back-rest and the seat plate.

Some embodiments provide a method for limiting data passed between an application and a process virtual machine (VM) embedded in the application that authorizes API (Application Programming Interface) calls to the application. The method receives a policy code comprising references to a group of parameters. The method modifies the policy code to remove references in the policy code to a set of the parameters that are not used during evaluation of the policy. The method generates a set of binary instructions from the modified policy code, where the process VM does not use the set of parameters while executing the binary instructions to make an authorization decision for a particular API call.

A storage rack includes a U-shaped top constraint rod, a U-shaped bottom positioning rod, two oblique upper side rods respectively forwardly extended from two distal ends of the U-shaped top constraint rod, two oblique lower side rods respectively backwardly extended from respective bottom ends of the two oblique upper side rods and respectively connected to two distal ends of the U-shaped bottom positioning rod, and a transverse rod transversely connected between the two distal ends of the U-shaped bottom positioning rod.

An air register for diffusing air away from an existing air duct may include a body with an open panel and plurality of louvers situated therealong. The body may include a plurality of planar side walls extending orthogonally to the panel and disposed inwardly from an outer perimeter thereof. A mechanism may be included for articulating the interconnected louvers between open and closed positions. A second mechanism may be included for magnetically affixing the planar walls to the existing air duct. In operation, the magnetically affixing mechanism may be automatically displaced outwardly and away from the planar side walls while the interconnected louvers biasing mechanism is toggled between the open and closed positions. In this manner, the body may be maintained at a substantially stable position during articulation of the interconnected louvers by maintaining the magnets firmly against the walls of the air duct.

The invention discloses a prefabricate type nautical fixed platform and an installing method. The prefabricate type nautical fixed platform and the installing method comprises following steps: 1) a temporary locating step: atoll bulging rocks can be used as a fulcrum, and a winding machine can be used for dragging a platform main body to a construction preinstallion position in a high tide level. A low tide level and a method of injecting water into a ballasting cabin can be used for contacting the bottom of the main body to a surface of a foundation, and locating piles are used for temporarily fixing the main body on the foundation. 2) A sinking leveling step: length that each locating pile extends out of the bottom of the main body can be controlled, and positions and levelness of the bottom of the main body can be adjusted. 3) A sinking fixing step: gravels which are in a gravel cabin can be discharged through a gravel channel to fill gaps between the surface of foundation and the bottom of the main body. Fixing of the prefabricate type nautical fixed platform can be completed. The prefabricate type nautical fixed platform and the installing method has the advantages of being stable in main body structure and low in manufacture cost. The function is easy to level. The prefabricate type nautical fixed platform and the installing method is high in planeness, accurate in fixing location and capable of being installed on the atolls or submerged rocks or sandy beaches. The prefabricate type nautical fixed platform is easy to construct and stable in fixing.

A display panel includes a plurality of pixels arranged in a matrix, the plurality of pixels respectively including a plurality of sub pixels. The plurality of sub pixels respectively includes a light emitting element, and a PWM pixel circuit configured to control a light emitting duration of the light emitting element, based on a pulse width modulation (PWM) data voltage and a sweep voltage. A plurality of PWM pixel circuits included in the display panel are driven, for each of row lines of the plurality of pixels, in an order of a data setting period for setting the PWM data voltage and then a light emitting period in which the light emitting element emits light during a duration corresponding to the set PWM data voltage according to a change of the sweep voltage.

The invention discloses a method and a device for setting target wellhead pressures in control-pressure well drilling control systems. The method includes storing data of PWD while-drilling pressure measuring tools, control-pressure well drilling parameters acquired by PLCs (programmable logic controllers) in real time and various parameters of input systems of control systems of industrial personal computers into databases of the control-pressure well drilling control systems; setting ranges of PWD pressure data which participate in computation, computing average pressures by a plurality of selected PWD data to obtain a result P1, computing target wellhead pressures according to a formula of target wellhead pressures=set target bottom hole pressures-pressures of mud fluid columns below drill bits-P1+current wellhead pressures, setting the precision of the target wellhead pressures, keeping the original pressures if the target wellhead pressures are within difference value ranges, and utilizing the currently computed target wellhead pressures as the target wellhead pressures if the target wellhead pressures exceed the difference value ranges; enabling the industrial personal computers to transmit instructions to control systems of the PLCs to adjust the opening of throttle valves until actual wellhead pressures are close to the target wellhead pressures. The ranges of the PWD pressure data are higher than pressures of mud fluid columns above the drill bits and are lower than sums of pressures of fluid columns at the drill bits, pressure loss of annular spaces above the drill bits and wellhead pressures. The method and the device have the advantages that the target pressures can be stably and accurately set, and the control systems are easy to control.

A filter for use in a gas generator of a safety arrangement in vehicles, has several layers of a woven metal fabric consisting of metal wires which are woven together. The woven metal fabric is preferably calendered, wound to form a roll, and pressed to form said filter.

The invention provides a spherical vertical micro LED and a manufacturing method thereof, a display panel and a transfer method thereof. The spherical vertical micro LED comprises a first semiconductor layer, a second semiconductor layer, a light-emitting layer, a first electrode, an insulating layer and a second electrode, the light-emitting layer is arranged between the first semiconductor layerand the second semiconductor layer; the first electrode covers at least part of the surface of the first semiconductor layer, the second electrode covers at least part of the surface of the second semiconductor layer, and the insulating layer covers the light-emitting layer or covers the light-emitting layer and part of the surfaces of the first semiconductor layer and the second semiconductor layer. The first semiconductor layer, the second semiconductor layer and the light-emitting layer form a sphere structure. The first electrode, the insulating layer and the second electrode form a spherical structure covering the outer layer, so that the spherical vertical micro LED is formed, the micro LED is prevented from being clamped outside the loading trap in the transfer process, the micro LED is conveniently and accurately aligned with the loading trap in the transfer process, and the transfer yield and the production efficiency can be effectively improved.

The invention relates to a curved-surface display device which comprises a base, a driving mechanism arranged on the base, two connection arms connected with the driving mechanism, and a curved-surface display screen. The base is located between the two connection arms. The two opposite side edges of the curved-surface display screen are connected with the two connection arms respectively. The driving mechanism is used for driving at least one connection arm to move in the extending direction of the connection arm so as to adjust the curvature of the curved-surface display screen. The curved-surface display device is simple in structure and convenient and fast to use, the curvature of the curved-surface display screen can be adjusted through the connection arms, a user can adjust the curvature of the curved-surface display screen according to the watching distance, a good watching experience is obtained, and the applicability and adjustability of the curved-surface display screen are improved.

The present invention relates to a device (1) for producing electrical energy from the exhaust gas of an internal combustion engine (2), comprising a generator (3) with an exhaust gas inlet nozzle (4) and an exhaust gas exit nozzle (5) and at least one heat exchange section (6) therebetween, wherein at least one flow diverter (7) and flow distributor (8) is provided between the exhaust gas inlet nozzle (4) and the heat exchange section (6), and furthermore the heat exchange section (6) is designed with a plurality of flow paths (9) perpendicular to the exhaust gas inlet nozzle (4), said pathsable to be assigned to a plurality of heat exchange assemblies (10), wherein furthermore at least a section of the heat exchange assembly (10) is designed with at least one thermoelectric element (11) and one cooling device (12) and the at least one thermoelectric element (11) is connected to the cooling device (12) undetachably.

The invention relates to the technical field of automobile detection, in particular to an automobile conditioner air outlet tightness and ventilation noise testing device, comprising a base, a fan arranged on the base, a fan exhaust duct connected with the fan, and an air flow meter connected with the fan exhaust duct. The fan exhaust duct is connected to an exhaust port connection duct that is connected with a test piece, the exhaust port connection duct is also connected with a micro air pressure meter, and the base is also provided with a power control unit. The fan is provided with a fan intake adjusting valve. The invention is intended to arrive at the precision measurement for air speed of an exhaust port; the precision of air volume may reach 0.01 m<3>/h; both noise and sealing aretested; the tester integration problem is solved. In addition, the test piece is convenient to mount and demount; the requirement for testing tightness and ventilation noise of different types of exhaust ports can be met by adjusting pressure, flow and an air supply connection, the test cost is low, and a fixture has high utilization rate.

A stand type air conditioner of the invention includes a base; a casing arranged on the upper side of the base; a sucking panel arranged in front of the lower part of the casing to form a sucking inlet; a discharging panel arranged in front of the upper part of the casing to form a left side discharging outlet at the left side, and a right side discharging outlet at the right side; a blower arranged at the lower part of the casing; a heat exchanger arranged between the discharging panel and the casing; a left side up/down wind direction regulation unit to regulate the up/down wind direction of the air discharged from the left side discharging outlet; a right up/down wind direction regulation unit to regulate the up/down wind direction of the air discharged from the right side discharging outlet, wherein the left side and right side up/down wind direction regulation units include: a plurality of up/down wind direction regulation blades; an arrangement mechanism arranged inside of the discharging panel to form blade arrangement holes rotatably connecting the up/down wind direction regulation blade, and the plurality of blade arrangement holes spaced with each other along the up/downdirection and provided with rotation shaft through holes; a wind direction regulation motor having rotation shafts for penetrating the rotation shaft through holes and arranged on the arrangement mechanism. Thus the invention has advantages of small part number and simple assembly procedure.

The invention provides a pipeline inner wall cleaning robot, which comprises a main flow pipe and toggle pieces. A fixing ring is arranged in the middle of the outer side of the main flow pipe, the periphery of the fixing ring is connected with the front ends of movable rods correspondingly, first springs are arranged around the outer wall of the rear end of the main flow pipe correspondingly, ejector robs are arranged at the ends, away from the central point of the main flow pipe, of the first springs correspondingly, the ejector robs are connected with sliding grooves correspondingly, the sliding grooves are formed in the rear ends of the ejector robs, pulleys are arranged at the rear ends of the ejector rods, the front end of the main flow pipe is connected with the rear end of a fixingdisc, a jet hole is formed in the front side of the fixing disc, the outer side of the fixing disc is connected with a rotary table through a support rod, inner grooves are formed in the fixing disc,and second springs are arranged in the inner grooves correspondingly. According to the provided self-travelling oil pipeline internal cleaning device, the structure is simple, continuous working in aclosed pipeline is facilitated, the cleaning efficiency is effectively improved, thus the cleaning period is shortened, and the practicality is improved.

A channel tracking module, configured for generating updated equalization coefficients for a frequency equalizer, is configured for determining a digital-based error value between equalized signals output by the frequency equalizer relative to predicted signals, for each subcarrier frequency of an OFDM symbol. The channel tracking module determines an accumulated error based on accumulating the digital-based error values for all the subcarrier frequencies of the OFDM symbol, for a prescribed successive number of OFDM symbols. The channel tracking module also determines a step size based on the accumulated error and relative to a prescribed step function configured for optimizing equalizer adjustments within stability limits. The channel tracking updates the equalization coefficients for each subscarrier frequency based on the accumulated error and the step size. Hence, the channel tracking module can be implemented in an economical manner while ensuring optimum equalizer adjustments within stability limits that ensure convergence of the equalization coefficients.

A gas sensor is disclosed having an element holder body with which a senor element is fixedly supported, and an atmosphere-side insulator covering a base portion of the sensor element and providing electrical connection between lead wires and terminal electrodes of the sensor element. The element holder body includes a housing and an element-side insulator fixedly mounted in the housing. The atmosphere-side insulator incorporates therein a plurality of spring terminals held in electrical contact with the electrode terminals of the sensor element. At least one of the element holder body and the atmosphere-side insulator carries thereon convexed portions with which the atmosphere-side insulator can tilt with respect to the element holder body.

The invention relates to a dual-power dual-fan integrated switch with a preferred main power. The dual-power dual-fan integrated switch mainly comprises a switch box, a front panel, an indicator light, a power layer button, a disconnecting switch, a power switch, a selective switch, a control box, a display screen, a setting button, a fan switch, a function selection button, a main switch, a junction box, a circuit board, and a wire; the dual-power dual-fan integrated switch is provided with two fans, two control box panels and two control circuits; the control circuits are controlled by a main circuit, a stand-by circuit and a microcomputer program, automatic conversion can be performed between the fans, the main power supply is automatically prioritized, and quick conversion and instantaneous automation are realized. The dual-power dual-fan integrated switch has an advanced design, is reasonable in setting, safe, stable and reliable and is a very ideal automatic control switching device for a coal mine underground fan.

The invention relates to an overflow protection device of a dish washing machine and the dish washing machine. The overflow protection device comprises an overflow base plate, a cross beam connected with the overflow base plate and an overflow receiving groove formed in the cross beam, wherein a supporting part provided with an accommodating space is arranged on the overflow base plate, the accommodating space of the supporting part is communicated with the overflow receiving groove, and an overflow floater changing with the overflow base plate and height of the liquid level in the supporting part is arranged in the supporting part. The overflow floater in the overflow protection device is provided with two contact faces, one contact face is in contact with the liquid level in the supporting part, the other contact face is in contact with the liquid level in the overflow base plate. When overflow water of the dish washing machine overflows from an overflow port of an inner container or flows into the overflow base plate from other positions, a warning device can be triggered, the dish washing machine can also normally give an alarm due to the size of the supporting part is small when the whole dish washing machine is in an oblique state, and accordingly the overflow protection performance of the dish washing machine is improved.

The invention provides a display device and an assembling method. Wherein, the display device comprises a display panel provided with a first side as well as a frame equipped with a ditch groove corresponding to the first side of the display panel, and the first side of the display panel is inserted into the ditch groove. The display panel and the assembling method of the invention adopt the design having the frame with the ditch groove, a front frame and an anti-dazzling screen (or anti-dazzling colloid) to mount the display panel between the frame and the front frame firmly, the four sides of the display panel have no leakage of light, and the material costs and complexity of assembling program can be reduced.

The invention belongs to the field of batteries and relates to an electrode pole sheet and an electrochemical device. The electrode pole sheet comprises a current collector and an electrode active material layer arranged on at least one surface of the current collector; the current collector comprises a supporting layer and a conductive layer arranged on at least one surface of the supporting layer; the single-surface thickness D2 of the conductive layer meets a relation that D2 is more than or equal to 30nm and less than or equal to 3 micrometers; the electrode active material layer comprisesan electrode active material, a binder and a conductive agent; the conductive agent in the electrode active material layer is non-uniformly distributed in a thickness direction; and based on the total weight of the electrode active material layer, the weight percentage of the conductive agent in the inner side area of the electrode active material layer is higher than the weight percentage of theconductive agent in the outer side area of the electrode active material layer. The electrode pole sheet has good machinability; and the electrochemical device comprising the electrode pole sheet hashigh energy density, good electrical performance and long-term reliability.