270results about How to "Reliable function" patented technology

The invention relates to a medical puncturing device comprising a rigid needle being at one end adapted for facilitating the puncturing and comprising at the opposite end a hub, the hub comprising a handle part and a shield part being pivotable in relation to the handle part and further comprising locking means on the shield part and the handle part, the locking means being adapter to interlock the shield and the handle part in a pivoted position of the shield part where the rigid needle is covered by this.

A transponder assembly for use in identifying surgical implements such as sponges comprises a transponder substantially encased in a plastic body to which a base having an exposed adhesive surface is attached. The assembly may be fastened directly to a rigid implement or may be securely attached to a sponge by a supporting body embodying a pin-head clutch.

The invention relates to a control system device based on interconnection of various networks for a large-scale live pig culturing environment and an environment factor parameter control method. The device of the invention comprises a data acquisition and transmission layer, a data analysis and storage layer and a data use and sharing layer which communicate with each other by a wired or wireless mode to realize data acquisition, analysis and remote control. On the monitoring field, the system adopts a self-organizing intelligent control network formed based on wireless sensor network interface nodes, or adopts a collection and control system of field unit environment factor parameters formed based on field bus interface nodes and a field monitoring terminal; information interaction between the control field and a remote center monitoring terminal is realized by the wired or wireless mode through multiple interface gateways; and the networks of the overall system have various information interactive modes, thereby improving the flexibility, reliability and economy of structural design of the control system.

The invention discloses a 4G vehicle smart terminal system. According to the invention, a vehicle OBD device and a vehicle 4G-WIFI router are integrated together, so that functions of online fault diagnosis, vehicle state monitoring, abnormity warning, location service, traveling data statistics and the like can be realized, and a function of the vehicle 4G-WIFI router can be realized at the same time. In an aspect of hardware, a vehicle terminal device includes a microcontroller and different functional modules. A vehicle OBD data code is obtained through the smart OBD module. Vehicle location information is obtained through a GPS module. Dormancy and awakening induction information and collision detecting information are obtained through a three-coordinate accelerometer module. Network access is provided to an in-vehicle mobile internet device through a WLAN module. Internet access is realized through a 4G module. Data is sent to a background server. In an aspect of software, the invention adopts a [miu]C/OC-II embedded operation system for accurate real time response to tasks.

Provided is a monitoring method for electric power working safety based on image recognition. A structure of the method of the invention comprises an on-site electricity-utilization controllable operation power supply, a camera and a system respectively connected with the on-site electricity-utilization controllable operation power supply, wherein the system is composed of an image pattern recognition processing program and has video monitoring and electricity-consumption environment control functions. The monitoring method comprises the steps of realizing a virtual boundary for an electric power working operation site and realizing three-level safety control and environmental electricity-utilization control based on an image recognition technology so as to prevent workers at the electricpower working operation site from electric shocking and to monitor operation conditions of on-site electric power equipments. By conducting effective safety boundary management of an electric power working and testing site, the method of the invention has the substantial advantages of improved functions, reliability and wide application range.

Assembly composed of a number of devices for rolling up/rolling down shading. On a side higher up, the said shading is immovably fastened to a frame and is wound onto or unwound from a tube from the bottom. Rotation of the tube is achieved by via a transmission device that can be slid along a vertical shaft. The vertical shaft is also the drive shaft. The transmission device is provided with clutches, so that on reaching the end positions when the drive shaft slips the transmission device can be brought to a standstill.

A tool (10) is disclosed for fine machining of optically active surfaces (F), with a base body (12) that can be attached to a tool spindle of a machine tool, and an elastic membrane (14) that has a machining section (16) to which connects a gaiter section (18) by means of which the membrane is attached to the base body such that it can be rotated therewith. The base body and the membrane delimit a pressure medium chamber (20) which via a channel (22) can be optionally pressurized with a pressure medium in order to apply a machining pressure via the machining section during machining of the optically active surface. A guide element (24) guided longitudinally mobile on the base body is actively connected with the machining section so that the machining section can be moved in the longitudinal direction of the guide element and held in the transverse direction to the guide element, although under an elastic deformation of the gaiter section it is tilt-mobile in relation to the guide element. The result is a tool of simple design and reliable function which has an excellent adaptability to a wide range of geometries to be machined.

A vehicle seat of the present invention has an engaged member, an engagement member and a guide portion. The engagement member is provided on the seat body so as to be movable between a restraint position and a restraint release position. The engagement member is capable of moving to the restraint position, so as to be advanced to a position in which the engagement member faces the engaged member, and is capable of moving to the restraint release position, so as to be retracted to a position in which the engagement member does not face the engaged member. The guide portion is capable of moving the engagement member to the restraint position when the seat body moves to the retracted position, and is capable of moving the engagement member to the restraint release position when the seat body is advanced from the retracted position.

The invention relates to a method for actuating an electromechanical parking brake device for a brake that can be actuated by means of an electromechanical actuator, in which the actuator is comprised of an electric motor and of a reduction gear connected downstream of the electric motor and being provided for converting a rotational motion into a translatory motion, the electromechanical parking brake being provided in the form of a locking mechanism which can prevent the rotational motion of the actuator in the direction of release and which can be released again by further application. In order to guarantee that the electromechanical parking brake device works reliably in all operating states without using a tension force sensor, the invention discloses determining and storing, during the actuation of a parking brake device, a mean value of the torque of the electric motor necessary for generating the application force of the brake corresponding to the parking brake actuation and to simultaneously determine the actuator position and to actuate the electric motor at later points of time in such a way that it generates this torque multiplied by a correction factor kη=>1 so that the exerted tension force is maintained or increased.

The present invention discloses a safety syringe and aims to provide simple structure, convenient use, and low cost, and to make the syringe have needle protection functionality and become auto-disable. The present invention includes a sliding casing, a needle, a syringe barrel, a piston, a latching casing, a spring and a plunger inside the syringe barrel, the present invention can be easily used to carry out an injection and to initiate its safety mechanism by a single hand. The sliding casing can be automatically positioned and locked in two directions; This design guarantees during processing the syringe after it is used, the pinhead is always protected by the sliding casing; The present invention also has a reliable function of auto-locking; Therefore, once the syringe is used, the plunger has been locked in the syringe barrel and can not be pulled out any longer; Any attempt to use the syringe again will cause the plunger broken and the syringe damaged, thus ensuring a one-time use.

The preswirl guide device for generating a preswirl in the intake region of a compressor comprises a multiplicity of guide vanes, which are pivotable about a respective vane shank connected to the guide vane, and a pivotable adjusting ring and adjusting levers for transmitting torque from the adjusting ring to the vane shank of each guide vane. The vane shank and the adjusting lever of the respective guide vanes are of one-piece design. The casing in which the guide vanes are rotatably mounted consists of at least two parts joined together in the region of the bearings of the guide vanes. Due to the one-piece design of the guide vane, the number of components to be fitted is reduced. This simplifies the fitting and possible service work on the guide device.

The advanced control heat transfer loop apparatus (1) for heat transfer and thermal control applications uses a two-phase fluid as a working media and comprises at least one evaporator (2) to be connected with a heat source and comprising primary capillary pump (4), a thermal stabilization-compensation chamber (3) being attached to the at least one evaporator (2), at least one condenser (24) to be connected with a heat sink, liquid lines (22) and vapor lines (23) connecting the at least one evaporator (2) and the at least one condenser (24), a remote compensation chamber (20), temperature sensors (27) for detecting the temperature of the remote compensation chamber (20) and at the thermal stabilization compensation chamber (3) attached to the at least one evaporator (2),at least one heating element (19) for heating the remote compensation chamber (20), and a controller (28). The controller (28) is configured to monitor the temperatures detected by the sensors (27) and to control the heating element (19) in such a way that the value of the difference ΔT_Control between the temperature of the remote compensation chamber (20) and the temperature of the thermal stabilization-compensation chamber (3) attached to the at least one evaporator (2) is positive.

The invention relates to a motor vehicle door and to a method for acting on said motor vehicle door in terms of braking/holding or pulling closed/opening. The motor vehicle door is equipped with a driven (4, 5; 4) door leaf (1), a magnetic arrangement (4) as component of the drive (4, 5; 4) and at least one sensor (6) assigned to the door leaf (1). According to the invention, on the basis of a speed and/or position of the door leaf (1) with respect to a motor vehicle body (2) detected by means of the sensor (6), the magnetic arrangement (4) is supplied with power by a control unit (7) for either braking or holding, or pulling closed or opening the door leaf (1).

A one-way injector having a housing in which at least one mechanical spring energy store, at least one piston/cylinder unit, which can be at least temporarily filled with an active substance, at least one piston-actuating plunger and at least one tripping unit are arranged. To this end, the spring energy store comprises a preloaded spring element. The spring element is held in the preloaded position by a tension means surrounding at least a region of the spring. The tripping unit comprises a cutting tool which, in order to release the energy of the spring energy store, severs or weakens the tension means at least one point, the weakening immediately tearing the tension means. With the present invention, a one-way injector is developed which, with a small overall size, has only a few components and ensures reliable mounting and functioning with simple manipulation.

The invention discloses a structural design and a realization way of a dual-opening-pressure and dual-displacement safety valve. The safety valve is provided with two different pressure regulation mechanisms capable of providing opening pressures of two different types and corresponding displacements, wherein a primary pressure-displacement regulating mechanism is composed of a valve body, a valve core, a main spring, a spring sleeve and a locking nut and provides the primary opening pressure and displacement of the safety valve; and a secondary pressure-displacement is composed of a valve core, a built-in valve core, a secondary spring, a regulation rod, a spring sleeve and a regulating nut and is used for providing the secondary opening pressure and displacement of the safety valve. The dual-opening-pressure dual-displacement safety valve is applicable to various air pressure systems, is used for releasing gas with pressure higher than the safe pressure of the systems and maintaining the safe operation of the system, and is especially applicable to a condition that the gas supply of the system is limited; when the pressure of the system is slightly higher, small displacement is needed for performing slow pressure relief, so that the gas in the system is prevented from being rapidly lost and being supplied. The safety valve is of an all-metal structure and is also applicable to high temperature systems.

A boring and/or percussion hammer comprises an electrodynamic linear drive and a pneumatically damped percussion mechanism which is provided with a drive piston driven by the linear drive during the reciprocating movement thereof, an impact piston and a pneumatic spring arranged between the drive and impact pistons. An air-supply device comprises a pumping element, which is linearly forth and back movable for generating airflow. The pumping element is connected to the drive piston in such a way that the movement thereof is transmitted to said pumping element, thereby the cooling air is transported by an air channel for cooling heat generated elements.

The invention relates to an oil supply for an internal combustion engine, comprising an oil supply device for the supply of oil to a piston, reciprocating in a cylinder. The oil supply device is embodied such that at least at a point at which the piston is in the region of bottom dead centre, oil is introduced directly into a region below the piston, by means of the oil supply device, in particular, beneath the piston crown and within the piston skirt. The oil supply device thus comprises at least one tube element, extending into a region beneath the piston crown. The tube element terminates as close as possible to a gudgeon pin, when the piston is at bottom dead centre. A targeted lubrication of the mechanically and thermally highly loaded gudgeon pin can thus be guaranteed. It is also possible by means of the oil supply to supply transfer ports of a two-stroke engine with oil, counteracting a tendency to coke up.

The invention discloses a method and a device, which realize one-click on/off. The method realizing one-click on/off includes the following steps. A conduction switch is connected with an external power; the enable active level of a supply convertor is generated according to the external power, which makes the supply convertor change the level of the external power into a first level. The first level ensures the normal work of a processor. The processor is started according to the first level. The enable active level of the supply convertor is generated according to the first level. The enable of the supply convertor is kept to be the enable active level. The switch is cut off. With the invention embodiment, the one-click on/off of the terminal is realized. The circuit is simple and the function is stable. The on/off efficiency of the terminal is improved. The invention embodiment is suitable for generalization.

A semiconductor memory device according to the present invention having a plurality of memory banks, a row address strobe signal buffer, a column address strobe signal buffer and a column address generator and performing a data access operation in response to the burst length and latency information related to a system clock having a predetermined frequency, comprises a device for generating a signal which automatically precharges one memory bank of the memory banks in response to the row address strobe signal and the signal having the burst length and latency information after an address operation for the memory bank is completed.

The invention belongs to the technical field of integrated circuits, in particular to a switching frequency control circuit for a fixed off time control mode boost DC-DC converter. The circuit consists of an off time timer and a frequency lock circuit, solves the defect that the working frequency changes along with the working condition under the traditional fixed off time control mode, preciselyfixes the working frequency on the reference frequency and reduces the electromagnetic interference (EMI). The circuit of the invention has the advantages of simple structure, reliable function and favorable application prospect, is also suitable for DC-DC converters of other types (such as buck type) and the fixed on time control mode.

The invention discloses a soft start control method and a soft start controller for an electronic fan. In the invention, soft start is realized by a variable duty ratio pulse-width modulation (PMW) wave control power metal oxide semiconductor (MOS) tube consisting of a triangular wave generating circuit, a remote control (RC) charge and discharge circuit and a comparator. A square wave signal u3 can be obtained by computing and designing a triangular wave generation circuit with a fixed frequency and by comparing a voltage u2 with a triangular wave signal u1 serving as a reference; when the voltage value u2 is continuously increased from zero to the peak value of the triangular wave signal u1, the duty ratio of the square wave signal u3 continuously reduces from 100 percent to 0 percent, so a signal of which the duty ratio continuously reduces from 100 percent to 0 percent and is finally stabilized at 0 percent is obtained; and thus, the function of soft start can be realized by usingthe signal to control a power switching tube. The voltage u2 can be generated by the RC charge and discharge circuit, and the time of the duty ratio which reduces from 100 percent to 0 percent can beadjusted by properly regulating the values of matched resistance and capacitance.

A one-piece container closure with a collar, leaflets hingedly attached to the collar, and thin flexible foldable webs attached to and extending between the leaflets. The leaflets are flat with the webs folded beneath in closed closure position. The leaflets are pivoted upwardly with webs unfolded therebetween in open position. An integral cap is attached to the collar by a snap-action bow-tie hinge. A central pin on the cap seals with the leaflets when the cap is closed. The closure is integrally molded in open position with raised leaflets and unfolded webs, leaflets then being lowered and the webs folded to closed position while the closure is still warm.

The invention is suitable for the technical field of a software test and provides an Openstack cloud platform-based automatic test implementation method and system. The method comprises the three major steps of configuring an automatic test scheme; establishing an automatic test environment; and executing and analyzing the automatic test scheme. According to the method and the system, firstly theautomatic test scheme is created; then an operation and maintenance cloud platform analyzes the automatic test scheme, calls an external interface of an OpenStack cloud platform, and sends a to-be-tested environment and a test environment corresponding to two virtual machines; a message is processed through a message mechanism consisting of the operation and maintenance cloud platform, a message server and a message processing engine in the virtual machine; virtual machine configuration of the to-be-tested environment and the test environment is perfected; and an automatic test work instruction is executed. The complete set of implementation method is stable and reliable in function, clear in structure, high in expandability and high in practicality.

The present invention discloses a vehicle wire-transmit steering mechanism and steering resistance simulator, which includes steering wheel and its position sensor. The steering resistance simulator includes a steering element and a first resilient element. One end of the steering element is rotationally connected with the steering wheel, and the other end is connected with the position sensor. Corresponding elastic deformation of the first resilient element is generated under the rotating operation of the steering element. Restoring force of the elastic deformation acts on the steering element and generates torque for enabling rotation of the steering element. Steering 'road sense' and correcting function of the inventive wire-transmit steering mechanism can realize simplicity and reliability. Requirement for motor and sensor of the wire-transmit steering mechanism are reduced. Hardware constitution for system is simple, and the cost is decreased. Essential control algorithm of the wire-transmit steering mechanism only relates to steering function, control is simple and realization is easy, then R.&D. difficulty of electric control unit (ECU) is reduced.

The invention belongs to the technical field of electronic control of engines and in particular relates to an isolation type power driving circuit which comprises power driving with photoelectric isolation, failure feedback with photoelectric isolation, an isolation driving and protective circuit and an isolation failure diagnosis circuit. An output protective signal drives a relay through a photoelectric apparatus 1 to supply power to an electromagnet and cuts off the power supply for the electromagnet when failure occurs; a power driving signal drives an MOS tube through a photoelectric apparatus 2 and a current-limiting resistor 1 and provides different average driving current for the electromagnet through controlling the connection and the disconnection of the MOS tube; high-level and low-level signals at the upper end of the MOS tube drive a photoelectric apparatus 3 through the feedback of a current-limiting resistor 2; a signal after the photoelectric apparatus 3 and a power driving signal form a failure distinguish logic through a J trigger and a K trigger to output a low-level signal or a high-level signal. The invention has simple structure and reliable function and effectively solves the difficult problems of electromagnetic compatibility and isolation high-power driving of an engine electric control system.

A combustion-engined setting tool for driving fastening elements in a constructional component, includes a guide cylinder (12), a setting piston (11) displaceable in the guide cylinder (12), a combustion chamber sleeve (15) displaceably arranged at the first axial end (27) of the guide cylinder (12), a press-on element (30) supported at the second axial end (28) of the guide cylinder (12), and a transmission device for connecting the press-on element (30) with the combustion chamber sleeve (15) and formed as a cable drive (20) having a transmission member (21, 121) and at least one deflection roller (24, 124) for the transmission member (21, 121) and supported on the press-on element (30).

The sources of microseismic hydraulic fracture events (“hydro-fracs”) are located for image mapping by the calculation of Green's functions G(x,z,t|x′,z′,0) which is estimated using, e.g., RVSP, VSP, SWD and/or surface data, with the Green's functions used as migration kernels with greater accuracy than the prior art techniques, e.g. the diffraction limit, because all of the natural arrivals in the data are utilized.

The invention provides a bag sucking and opening device for a seam bottom valve opening bag. The bag sucking and opening device for the seam bottom valve opening bag comprises a rack, a bag opening sucker support, an avoiding air cylinder, a bag lifting air cylinder and a reversing connection rod. One end of the rack is hinged to a bag lifting lever, a bag lifting sucker support and a transition connection rod are hinged to the bag lifting lever, and a U shape is formed by the bag lifting sucker support and the transition connection rod. A bag lifting sucker is arranged on the bag lifting sucker support, and a bag opening air cylinder is connected to the transition connection rod. The bag opening sucker support is fixed to the bag opening air cylinder and is provided with a bag opening sucker, and the bag opening sucker is opposite to the bag lifting sucker. One end of the avoiding air cylinder is connected with the bag lifting lever, and the other end of the avoiding air cylinder is connected with the bag lifting sucker support and used for driving the bag lifting sucker support to swing. One end of the bag lifting air cylinder is hinged to the rack, and the other end of the bag lifting air cylinder is connected with the bag lifting lever and used for driving the bag lifting lever to swing to be in the vertical state from the horizontal state. One end of the reversing connection rod is hinged to the rack, and the other end of the reversing connection rod is hinged to the transition connection rod. According to the bag sucking and opening device for the seam bottom valve opening bag, bag sucking and opening of the seam bottom valve opening bag can be continuously and accurately achieved, the structure is compact and functions are reliable.

The invention discloses a wastewater treatment device and treatment method aiming at a metal surface treatment plant. The wastewater treatment device aims at the wastewater generated in the process of carrying out deoiling, pickling, surface adjustment and phosphorization treatment on a metal workpiece in the metal surface treatment plant, and comprises an oil separation tank, an adjusting tank, a first pH adjusting tank, a first coagulation reaction tank, a floating tank, a second pH adjusting tank, a second coagulation reaction tank, a first settling tank, a middle water tank, a filtering purification device, a hydrolysis acidifying tank, a contact oxidation tank, a second settling tank, a clear water tank, a dosing device and a sludge concentration tank which are sequentially connected by pipelines. After the wastewater is treated by the wastewater treatment device, 80% of treated wastewater is recycled to a production line, and 20% of treated wastewater is discharged up to the standard after further treatment.

The brushhead/handle interface includes a brushhead assembly (20) which has a brush member (26) for cleaning teeth. A driveshaft (14) extends from a handle portion (12) of the toothbrush (10), which is driven in an oscillating manner through a selected rotational angle. The driveshaft includes one or more contact regions (49). The coupling member includes an interface portion or portions (46) which are forced against the contact regions of the driveshaft by a single spring member when the driveshaft is inserted into the coupling member. The single spring (34) exerts a sufficient force on the interface portions of the coupling member against the contact regions of the driveshaft to produce both a reliable torque transfer between the driveshaft and the brushhead assembly and to maintain axial retention of the brushhead assembly on the driveshaft during operation of the toothbrush.