283results about How to "Conducive to manipulation" patented technology

An electrochemical microfluidic device has one or a plurality of microstructures, such as a microchannel, in which an electrically conductive means is integrated to reduce the ohmic resistance within the microstructure and hence to improve electrochemical measurements particularly when large current densities are involved. The electrically conductive means can be connected as a counter-electrode and can be used to re-generate the product of the reaction occurring at the working electrode. A method of fabricating electrochemical microfluidic devices comprising such an electrically conductive means is also disclosed. The invention may particularly be used in all electrochemical sensor applications where detection is performed in small volumes.

A tool assembly having a pair of jaws is disclosed. Each of the jaws has a proximal end and a distal end and the first jaw is movable in relation to the second jaw between a spaced position and an approximated position. First and second cam followers are supported on the first jaw. An approximation member is movable in relation to the first jaw and includes at least one cam surface positioned to engage the first and second cam followers. The approximation member is movable in relation to the first jaw to move the at least one cam surface in relation to the first and second cam followers to effect movement of the first and second jaws from the spaced position to the approximated position. The at least one cam channel is configured to approximate the distal ends of the first and second jaws prior to approximation of the proximal ends of the first and second jaws. In another preferred embodiment, the tool assembly includes an articulation and firing actuator. The articulation and firing actuator includes a flexible band having a first end portion extending at least partially through the body portion and through the cartridge assembly, a central portion extending from the first end portion operably associated with the dynamic clamping member and a second end portion extending from the central portion through the cartridge assembly and at least partially through the body portion to a position adjacent the first end. The articulation and firing actuator is operably associated with the tool assembly such that movement of either the first end portion or the second end portion of the flexible band proximally and independently of the other end portion effects pivoting of the tool assembly in relation to the body portion, and movement of both the first and second end portions of the flexible band simultaneously effects movement of the dynamic clamping member to eject the staples from the cartridge assembly.

The invention belongs to the technical field of aviation, relates to an unmanned aerial vehicle, and in particular relates to an unmanned logistics helicopter. The unmanned logistics helicopter comprises a body and rotor wings arranged on the body, wherein the body is of a cross-shaped structure; four body frames are fixed on the cross-shaped structure to support the body; central coaxial opposite-rotating double rotors are mounted at the central position of the body and are powered by an oil drive engine; four electric quad-rotor-wing supplying posture adjusting capacities are mounted at four tail ends of the cross-shaped structure and are powered by four brushless motors respectively; a cargo frame with a rectification shape is hung below the body through a cargo frame bracket. The unmanned logistics helicopter has the advantages of high endurance, safety, energy utilization and convenience in ground control, and can be put into use as an unmanned logistics aerial vehicle.

The invention is a working device arranged in some place, composed of two or above working devices arranged in some place, back-to-back, side-arranged, opposite, staggered, side-by-side, up and down, rotatable, inclinable, turnable, movable, liftable or in other form. And an engineering machine applying it is composed by arranging it in corresponding position on a corresponding vehicle or chassis or connecting it with the correspond position. And it can compose various engineering machines by various vehicles or chassises, compact, multifunctional, low-cost, high-efficiency and energy-saving, and having strong practicality.

An endless track assembly that mounts to a wheeled vehicle. The assembly provides 1) a track suspension having fixed or adjustable, independently biased sets of idler wheels to vary the track contour without affecting track tension, 2) an eccentric bearing housing at a drive sprocket controls track tension, 3) a contoured peripheral edge at the drive sprocket prevents ice and mud buildup, 4) rubber-coated, plastic idler wheels facilitate track movement, 5) a multi-vehicle compatible adapter mounting plate accommodates a variety of vehicles, 6) a rotation limited torsion coupler and / or rotation limiting coupler arms prevent track contact with the vehicle, 7) a locking steering arm coupler prevents loss of steering control, 8) shaped track lugs and channels clear and direct debris away fromthe track suspension and drive assembly, and 9) a center, spring biased coupling suspension stabilizes and enhances the contour following and load handling capabilities in the center region of the track. The improved suspension particularly supports sets of idler wheels in pivotal relation to the track support frame and resiliently biases a pre-tensioned rocker arm that links adjacent suspension arms mounted to the adjoining idler wheels. Suspension arm movement induces expansion and contraction of tension springs coupled to the rocker arms to augments shape changes at the track contact surface to optimize traction and steering control.

The present disclosure describes a surgical device with a body portion defining a longitudinal axis, a tool assembly including an anvil, a cartridge assembly housing a plurality of staples, a dynamic clamping member movable relative to the tool assembly to eject the staples, and an articulation and firing actuator extending at least partially through the body portion and the tool assembly. The tool assembly is pivotally attached to the body portion for movement from a position aligned with the longitudinal axis to a position oriented at an angle thereto. The articulation and firing actuator extends at least partially through the body portion and the tool assembly, is operably associated with the dynamic clamping member and the tool assembly, and is movable in relation thereto to selectively pivot the tool assembly relative to the body portion and move the dynamic clamping member relative to the tool assembly to eject the staples.

One embodiment of the invention relates to a microfluidic apparatus for performing two dimensional biomolecular separations. According to one aspect of the invention, after a first dimension separation in a first microchannel, the sample material is electrokinetically and simultaneously transferred to an array of microchannels in the second dimension (e.g., by changing the electric potentials at the reservoirs connected to the microchannels). Preferably any separation accomplished in the first dimension is completely retained upon transfer to the second dimension. According to another aspect of the invention, the separation in the second dimension is performed using a temperature gradient (e.g., a spatial or temporal temperature gradient). According to one embodiment of the invention, the biomolecular material comprises DNA and the first dimension separation is a sized-based separation and the second dimension separation is a sequence-based separation.

An improved method of controlled energy delivery utilizing solid, liquid, and gaseous carbon dioxide (CO2) into a water well and the surrounding aquifer to remove deposited material which may cause loss of capacity in wells and a variety of water quality problems. After proper study and evaluation of problems associated with a well to be treated, adequate injection of the required amount of CO2 and energy is achieved by real-time monitoring during the injection and manipulating the phase changes in the CO2 that take place in the well and the aquifer.

A system for predictive front lighting of a vehicle. The system includes a first and second headlamps, a first and second swivel mechanisms and a controller. The first and second headlamps project a beam pattern for illumination of the vehicle path. The controller receives vehicle position data, for example from a GPS system, and accesses a map database to identify a map location of the vehicle. The controller further analyzes the map to determine a most likely path of the vehicle based on the map location and other vehicle heading parameters. The controller then calculates the desired swivel angle of the first and second headlamps based on the most likely path of the vehicle, and the first and second swivel mechanisms manipulate the first and second headlamps to accordingly change the swivel angle of the headlamps.

The invention provides a spatial filtering system. The system comprises a laser input device, a spatial filter and an optical path adjusting device, wherein a small hole for filtering is formed in the spatial filter. The system is characterized in that: the optical path adjusting device comprises a charge coupled device (CCD) arranged on the side face of the spatial filter, and a reflecting mirror which is positioned in the spatial filter and is used for reflecting a profile image of the small hole to the CCD. The spatial filtering system has the advantages that: 1, the CCD cannot increase the length of a main optical path, so the system has small volume; 2, the laser energy loss of the main optical path is low; and 3, the system can observe an image near the small hole in the incident light direction and the emergent light direction simultaneously, is convenient to control, and is favorable for improving laser alignment accuracy.

The invention discloses a lawn mower. A push rod control assembly comprises a self-propelled pull rod, a self-propelled stay rope, a self-propelled power line and a second operation component, wherein one end of the self-propelled stay rope is connected to the self-propelled pull rod and the other end is connected to the second operation component; one end of the self-propelled power line is connected to the second operation component, and the other end is connected to a control unit. A self-propelled drive system comprises a drive motor, a clutch box, a coupler and a clutch fixation base, wherein a motor shaft of the drive motor is connected to an input shaft of the clutch box by the coupler; the drive motor and the clutch box are fixed on the clutch fixation base; an output shaft of the clutch is connected to a transmission assembly; the transmission assembly is connected to a walking wheel; and the drive motor is electrically connected to the control unit. In this way, the lawn mower disclosed by the invention adopts a direct transmission manner, so that an intermediate speed-reducing gear set is omitted, transmission efficiency is increased, and working noise is reduced. The lawn mower has the advantages that the structure is compact and rational; manufacture cost is low; operations are simple, convenient and safe; and an operator can operate walking of the machine easily and conveniently.

The invention discloses a powder covering and sweeping device during electrostatic powder spraying. The powder covering and sweeping device comprises a powder room provided with an inlet and an outlet, wherein an end part blowing device is arranged at the outlet in the powder room; a side part air screen device is arranged on each of two sides of the width of a sprayed base material in a traveling direction; the end part blowing device and the side part air screening devices are mounted and connected to corresponding connecting and fixing structures on a side wall of the powder chamber or a ground surface of the powder chamber. The device is used for sweeping and removing powder attached to a plate surface not required to be sprayed with the powder; compressed air screens are formed for covering excess powder floating from the two sides of the sprayed base material and sweeping and removing the powder attached to a side part of the surface, so that the plate surface not required to be sprayed with the powder on the side can be guaranteed to be clean, the requirement on a condition that the surface is subjected to a next working procedure or process can be met, the efficiency is high, and the effect is good; flow, a position far away from the plate surface and an angle for each spray nozzle can be all adjusted, the spray nozzle also can be closed to meet an actual working condition, and the device is simple and convenient to operate.

The invention provides an automatic retraction method for a parachute landing unmanned aerial vehicle. The landing site, the entry angle and the retraction altitude are sent to the unmanned aerial vehicle, and the unmanned aerial vehicle automatically plans a retraction airline and acts along the retraction airline; when the unmanned aerial vehicle approaches a retraction point, movement after engine shutdown is divided into a gliding section, a pull stopping section and a drifting section, a flight control program automatically queries the weight, speed and altitude of the unmanned aerial vehicle, the wind field and other conditions at the moment, and the shutdown position and the parachute opening position are worked out; a shutdown instruction and a parachute opening instruction are automatically executed. By means of the method, a parachute landing model can adapt to all altitudes from a low altitude to 5000 km or above like that of the Qinghai-Tibet Plateau, requirements for flight control precision and time accuracy are lowered, retraction precision is improved, wind measurement equipment and staff are not needed, staff are freed from the burden of wind measurement, calculation and control, and control over the unmanned aerial vehicle becomes easy and convenient.

The invention discloses a nondestructive stem-removal picking bionic gecko distinguishable pick-up and screening vehicle of a crabapple and belongs to the technical field of crabapple picking machines. The vehicle comprises a light moving mechanism, a flexible fruit stem clamping and nondestructive conveying picking mechanism, an extension steering device, a nondestructive protection stem-removaldevice, a simulating gecko foot bristle distinguishable pick-up delivery mechanism, a turnover cleaning purification mechanism and a rotary sliding-down screening mechanism, wherein the turnover cleaning purification mechanism, the extension steering device and the rotary sliding-down screening mechanism are arranged on the light moving mechanism; the simulating gecko foot bristle distinguishablepick-up delivery mechanism is arranged at the front end of the turnover cleaning purification mechanism and the light moving mechanism; the flexible fruit stem clamping and nondestructive conveying picking mechanism is arranged on the extension steering device; and the nondestructive protection stem-removal device is arranged on the flexible fruit stem clamping and nondestructive conveying pickingmechanism. The nondestructive stem-removal picking bionic gecko distinguishable pick-up and screening vehicle of the crabapple achieves dislocation stirring for nondestructive picking, absorption pick-up, nondestructive cleaning and roll screening.

Disclosed is a diaphragm valve. When a chamber is expanded by fluid supply into a pipe-shaped button, a valve stem is slightly moved upward by a rod and a shaft to open an outlet of an orifice. Fluid received in a space between a cap and a diaphragm and having a high pressure is discharged into an outlet-side space, whereby the diaphragm opens a guide conduit. When fluid is discharged from the pipe-shaped button, the diaphragm is moved toward the guide conduit, and the valve stem closes the outlet. The fluid in the inlet-side space has a high pressure, and the fluid in the space between the cap and diaphragm has a low pressure. The high pressure fluid flows toward the low pressure fluid through a pilot hole of the diaphragm. When fluid pressure balance is effected between the spaces, the diaphragm closes the guide conduit.

The invention discloses an overhead travelling crane with an electric hoist, relating to the technical field of lifting equipment. The overhead travelling crane comprises four main parts including a crane span structure, a bogie operating device, a cart operating device and electric control, wherein the crane span structure comprises a main beam, an end beam, a walking board and a handrail. The overhead travelling crane is characterized in that the bogie operating device comprises a bogie lubrication mechanism; the cart operating device comprises a cart lubrication mechanism; the electric control comprises three control modes, which are control from a control cab, control from floor and wireless control, respectively; and an adjustable seat is mounted in the control cab. The overhead travelling crane with the electric hoist has the advantages of reasonability in structure, lubrication function, small frictional resistance and noise, convenience for control and safety and reliability.

The invention belongs to the field of motor production equipment, specially relates to a paper inserting machine for a fan stator, and particularly relates to a paper inserting machine for a fan stator of which stator slots are arranged on the outer circumference of the stator. According to the paper inserting machine, a stator bearing mechanism is arranged on a frame on the right side of an indexing mechanism. According to the stator bearing mechanism, a guide rail is arranged on the frame, a sliding seat is arranged on the guide rail, the sliding seat is connected with a stator bearing seat, the upper part of the stator bearing seat is provided with an circular arc bearing concave cavity, and bearing rollers are evenly distributed in the bearing concave cavity along the axial direction. According to the invention, a fan stator paper inserting machine applicable to fan stator paper inserting is designed. The fan stator paper inserting machine has a stator bearing mechanism which can bear a fan stator without the need for hoisting or manual lifting operation, which, on one hand, offers protection to stator slots on the surface of the fan stator, and on the other hand, reduces the labor intensity of workers.

A method is provided for generating sustained totipotent tissue cultures of a plant of the Class Monocotyledonae, and for micropropagating such plant in vitro, wherein immature inflorescence are cultivated to produce totipotent tissue which is suitable for sustained maintenance and propagation. Greening of the tissue can be induced under light and the multishoot culture can multiply by microtillering. Foreign genes can be introduced into the tissue if desired, and the transgenic plants can be used in phytoremediation technologies in the field and in phytoreactors independently of seasons.

The invention discloses a high-pressure water gun based passive bird repelling system. The high-pressure water gun based passive bird repelling system comprises a flying bird detecting and aiming device and a hydraulic water gun shooting device. The flying bird detecting and aiming device comprises an onboard synthetic aperture radar and a tracking and aiming controller. One end of a main pipeline of the hydraulic water gun shooting device is connected to a first water tank, an outlet of the first water tank is sequentially connected with a four-position four-way valve through a plunger pump and a pressure reducing valve, an outlet of the four-position four-way valve is connected with three branches respectively, and each branch is composed of a boosting pump and a water gun. A bypass loop of the outlet of the plunger pump is sequentially connected to a second water tank through an overflow valve and a filter screen, an outlet of the pressure reducing valve is bypassed to be provided with an energy storage unit, and the tracking and aiming controller controls the plunger pump, the four-position four-way valve and the three boosting pump. The high-pressure water gun based passive bird repelling system is airborne and is high in bird repelling efficiency, safe in bird repelling way, convenient to operate and suitable for military and civil use.

The invention discloses an optic nerve implantable interface device. The optic nerve implantable interface device comprises an exciting electrode array unit and an attaching unit, wherein the attaching unit comprises a fan-shaped attaching part and a nerve attaching part; the fan-shaped attaching part is used for being attached onto the rear wall of an eyeball; the nerve attaching part is used for being attached onto the optic nerve; a hole is formed in the nerve attaching part; the exciting electrode array unit is embedded into the hole to be fixed to the attaching unit; and the electrodes of the exciting electrode array unit are exposed from the hole to penetrate into the optic nerve. The fan-shaped attaching part guarantees that the optic nerve implantable interface device can be fixedly attached onto the rear wall of the eyeball long and stably, and the electrodes of the optic nerve implantable interface device can generate uniform multi-layer neuroelectricity excitation on the optic nerve. In addition, the optic nerve implantable interface device has the advantages of high resolution of electrode space, good biocompatibility, easiness in implantation, low operation risk and the like.

The invention relates to a portable ultrasonic physiotherapy instrument based on a fuzzy control algorithm. The portable ultrasonic physiotherapy instrument mainly comprises a drive module, a system control module, a circuit protecting module, a wireless transmission module, an ultrasonic transducer, an oscillator and a frequency tracking circuit and is characterized in that the fuzzy control algorithm is mainly used to control the functional modules of the physiotherapy instrument, and the ultrasonic transducer adopting a impedance matching design allows acoustical power to be stably output to achieve feedback type treatment; the physiotherapy instrument can efficiently and stably output ultrasonic waves to effective treat human body lesions, and an ultrasonic effect can be shown favorably; the phase difference signal of voltage and currents at two ends of the transducer is obtained and input into a fuzzy controller to regulate PWM waveform frequency in real time, and accordingly theultrasonic transducer constantly work at resonant frequency to achieve frequency tracking; the wireless transmission module transmits related data to a mobile phone terminal to perform corresponding control.

The invention relates to a road surface cleaning device, in particular to a road surface vacuum sweeper. The vacuum sweeper comprises a vice vehicle frame, a suction nozzle assembly, a dust collecting box and a dust removing box, wherein the suction nozzle assembly, the dust collecting box and the dust removing box are installed on the vice vehicle frame cprrespondingly, the suction nozzle assembly is used for absorbing dust on the ground, the dust collecting box is connected with the suction nozzle assembly and used for collecting the partial dust, and the dust removing box is connected with the dust collecting box. According to the road surface vacuum sweeper, the dust absorbing rate is high, dust and particulate matter absorbing, separating and conveying are integrated.

The invention relates to an operator-controlled device (2) for optical imaging systems, in particular for microscopes, equipped with operator-controlled elements (5, 6, 7) for inputting settings relating to the imaging of an object (3) to be observed. The operator-controlled device (2) further includes a display device for pregiven desired adjustment values and / or a display device for the actual adjustment values instantaneously achieved on the imaging system and transmitting devices for transmitting signals corresponding to the desired or actual adjustment values between the operator-controlled device (2) and the imaging system. The operator-controlled device includes: at least one modular component (11.1, 11.2, 11.3) with at least one operator-controlled element (5, 6, 7) for inputting desired adjustment values, a base component (9) designed for accommodating one or more such modular components (11.1, 11.2, 11.3) and arrangements for manually coupling the modular components (11.1, 11.2, 11.3) to the base component (9) and for manually separating the modular components (11.1, 11.2, 11.3) from the base component (9).

The invention discloses a sitting type thin mung bean-picking and -husking shuttling crawling vehicle, which comprises a sitting type thin mung bean-picking vehicle, a crawling traveling mechanism, aU-shaped inclined conveying mechanism, and a multiple nondestructive full husking device, wherein the crawling traveling mechanism is arranged at the front of the sitting type thin mung bean-picking vehicle, the multiple nondestructive full husking device is arranged on the sitting type thin mung bean-picking vehicle, one end of the U-shaped inclined conveying mechanism is arranged on the sittingtype thin mung bean-picking vehicle, the other end of the U-shaped inclined conveying mechanism is arranged at the upper end of the feed inlet of the multiple nondestructive full husking device, and the discharge outlet of the U-shaped inclined conveying mechanism is arranged at the upper end of the feed inlet of the multiple nondestructive full husking device. The invention belongs to the technical field of mung bean-picking machinery, and particularly relates to the sitting type thin mung bean-picking and -husking shuttling crawling vehicle which is suitable for picking crops in fields withsmall plant vertical spacing and solves the problem that ordinary machinery can hardly travel in mung bean fields, is adapted to the terrain of the mung bean fields, and realizes the instant nondestructive full husking of mung beans.