143 results about "Rotation around a fixed axis" patented technology

An electronic cigarette device may include first outer electrode provided on the assembly end of the atomizer. At least one air hole may be provided at the rear of the first outer electrode. A second outer electrode may be provided on the assembly end of the battery rod. An electrode fixation base may be provided coaxially with and rotatable around a fixed axis with the first outer electrode is provided inside the second outer electrode. An air groove may be provided at the outer end surface of the assembly end of the battery rod, and is in one-to-one correspondence with and is adapted to be coaxial with the air hole. At least one protruding rib extending along the axial direction of the atomizer may be provided on the outer circumference surface of the first outer electrode.

A cutting table for large stone work-pieces, such as marble includes an axel fixed to a base, and a spinning drum attached to the axel. A brake cooperates with the axel and the drum, either stopping or allowing the drum to rotate around the stationary axel. A mounting-plate attaches to the drum, and the mounting-plate attaches and supports a rectangular frame. On top of the frame, a surface-scaffold attaches by at least one hinge. The hinge, with the assistance of a lifting means, allows the scaffold to move from a position flat upon the frame to a position perpendicular to the frame. A work-surface for cutting large stone pieces attaches to and is supported by the scaffold. To manipulate a large stone work-piece, such as one of marble, a user positions the work-surface perpendicular to the frame and rests the work piece flush next to it. The user then lowers the lifting means, thereby rotating the work-surface and its juxtaposed work piece approximately ninety degrees to a position flat upon the frame. A user can freely rotate the work-surface and, with the assistance of the brake, lock the work surface in a desired position.

A fiber blowing and heat dissipating system of single-sided circular knitting machine includes a fixed rod, a revolving supply device, and a fiber blowing device, wherein the revolving supply device includes a fixed rod, a rotary air supply section, and a driving motor. The fixed axle has an air inlet at its top, and the rotary air supply section has an air passage interconnected with the air inlet and connected to the fiber blowing device, such that the driving motor is driven to rotate around the fixed axle to centralize the air flow to blow away the cotton fibers easily produced at a yarn passing eyelet of the yarn passing plate and the yarn feeding eyelet of a yarn feeding nozzle and a knitting needle. The invention also can lower the heat produced by the friction between the rotation of the needle cylinder and the knitting needle.

The invention discloses an error correcting mechanism on the paper transmitting system, which comprises the following parts: conductive board, fixing shaft on the conductive board, fixing board and error correcting device, wherein the error correcting device connects conductive board through fixing shaft to rotate around fixing shaft; the datum surface is based on vertical arm on one side of conductive board; the error correcting device contains error correcting wheel, power source and friction band, which doesn't parallel datum surface; the error correcting wheel is set on the dynamic power with friction band wrapping and tightening on the error correcting wheel.

A novel flow control valve for metering a fluid flow between a pressure chamber and a discharge space, and a fuel metering device utilizing this flow control valve are disclosed. The flow control valve is a tapered toroid, rotating about a fixed axis. A seal means, fixedly mounted to the valve, fluidically isolates the pressure chamber from the discharge space when the valve is in its closed position. The fuel metering device utilizes said tapered toroidal flow control valve to deliver a precisely metered amount of a preferably gaseous fuel to an internal combustion engine. The fuel metering device comprises a rotary actuator capable to move the toroidal valve about a fixed fulcrum. Means, including springs, are provided to close the valve when the rotary actuator is de-energized. The device further comprises a rotary position sensor, which, in co-operation with said rotary actuator enable accurate angular positioning of the valve.

This invention relates to one 2D displacement measurement method, which comprises the following steps: according to Wheatstone bridge circuit test principle to distribute the bridge resistance wire into direct or arc shape and the direct resistance wire is to test line displacement; the arc resistance wire is to test arc length change volume and then according to the relationship between arc length and radium to get test point rotary angle; through testing points in electrode coordinate displacement change to realize 2D displacement. The 2D displacement sensor comprises the test bridge line resistance wire and arc resistance wire fixed onto one structure around axis and it also comprises data transmission line.

The invention provides a novel efficient automatic intelligent irrigation system. The system comprises a mainframe cabinet and a moving base arranged on one side of the mainframe cabinet; at least one irrigation robot assembly which can move on the moving base is arranged on the moving base; each irrigation robot assembly comprises an intelligent moving cabinet, a rotary base, a rotary supporting rod and a parallel rod, wherein the rotary base is arranged on the intelligent moving cabinet, and the rotary supporting rod is arranged on the rotary base and can rotate around a fixing shaft; a spraying head is arranged on the end head portion of the front end of the parallel rod; water pipe fixing supports are arranged on the rotary base, the rotary supporting rod and the parallel rod, wherein the water pipe fixing supports are used for fixing water pipes communicated with the spraying head; a controller, a wireless communication unit, a temperature sensor, an alarm, a storage and a sound playing device are arranged in the intelligent moving cabinet. In the actual using process, the multiple irrigation robot assemblies can flexibly move, therefore, the direct irrigation need of a large area can be satisfied, and excellent intelligence can be achieved through network control.

A decelerating device includes a fixed shaft, a tube, a transmission element and a driven element is provided. The tube is disposed around the fixed shaft and adapted to rotate about the fixed shaft. The transmission element has a fixed portion fixed at the fixed shaft and a planetary gear revolvably disposed at the fixed portion. The teeth of the tube are geared to the planetary gear. The driven element has a wheel, a sun gear fixed at the wheel and a plurality of balls. The sun gear and the wheel are revolvably disposed at the fixed shaft and in the tube. The planetary gear is adapted to drive the sun gear. The wheel has holes. Each of the holes extends from an outer surface of the wheel facing the tube to the interior of the wheel to form a cavity. The balls are disposed in the holes respectively.

An apparatus and a method for mixing a substance such as tattoo ink or nail polish may comprise a rotor rotatable about a fixed axis, one or more holders on the rotor for receiving a container containing the substance and disposing the container perpendicular to the fixed axis, and a motor for applying a force to rotate the rotor around the fixed axis at less than about 120 revolutions per minute (RPM). The method may comprise receiving a container containing the substance into one or more holders on a rotor, in which the rotor is rotatable about a fixed axis, and applying a force to rotate the rotor about the fixed axis at less than about 120 RPM.

Centrifugally decoupling mechanical bearing systems provide thin tensioned metallic ribbons contained in a support structure. This assembly rotates around a stationary shaft being centered at low speeds by the action of the metal ribbons. Tension springs are connected on one end to the ribbons and on the other end to the support structure. The ribbons pass through slots in the inner ring of the support structure. The spring preloading thus insures contact (or near-contact) between the ribbons and the shaft at rotation speeds below the transition speed. Above this speed, however, the centrifugal force on the ribbons produces a tensile force on them that exceeds the spring tensile force so that the ribbons curve outward, effectively decoupling them from mechanical contact with the shaft. They still remain, however, in position to act as a touchdown bearing in case of abnormally high transverse accelerations.

The invention discloses a dropping-resisting pen with a pen point capable of automatically retracting. The pen is composed of a pen rod, a cartridge, a spring, a positioning ring, a rotating switch, asliding block and a clamping base; a gap is formed in the side wall of the pen rod, the rotating switch is provided with a fixed shaft, a gear and a rotating handle, the cartridge penetrates a longitudinal through hole in the sliding block, the sliding block is limited by a chuck of the cartridge, a rack is arranged at one side of the sliding block, the rack is engaged with the gear, the other side end of the sliding block is guided and limited by the clamping base, during use, the rotating handle is held by the hand to be rotated towards the tail end of the pen rod, the rotating handle drives the gear to rotate around the fixed shaft, the sliding block is driven to move downwards, the chuck of the cartridge is pushed to move downwards, the cartridge is driven to move downwards, the pen point is exposed out of a pen point extending hole, and normal writing is carried out; when the pen is not used or drops down accidently, a compressed spring pushes the chuck of the cartridge to move upwards, the cartridge is driven to move upwards, the cartridge and the pen point retract, the pen point retract into the pen rod, the aim of preventing the pen point from being broken is achieved, andthe pen is convenient to use, economic, practical and high in reliability.

A rotary cutting blade for rotation about a fixed axis. The cutting blade has a generally rectangular planar body section having first and second ends and defining long and short edges. Each end of the cutting blade has both a downwardly oriented (leading) lifting and cutting member, and an upwardly oriented (trailing) lifting member. The downwardly oriented cutting member has a generally flat sharpened section oriented generally parallel to the plane orientation of the body section, and perpendicular to the rotational axis of the blade. The cutting blade can be re-sharpened without removal from a mower or other device.

An apparatus for controlling the rotation of a gear comprising rotating a cam which causes the linear movement of a rod to control the rotation of the gear, wherein the cam rotates within a confined space but not around a fixed axle. The apparatus is particularly useful for controlling the opening and closing movements of a handcuff whose operating elements are comprised of a swing arm and at least one gear having teeth which engage the teeth of the swing arm.

A neutron flux mapping system for a nuclear reactor including: drivers each including a geared motor, a helical gear driven by the geared motor, and a storage reel adapted to supply, to the helical gear, a detector cable carrying a detector; and a double indexing path selector unit including upper and lower fixed plates, a fixed shaft, an outer path selector rotatably mounted to the upper fixed plate, and inner path selectors. The outer path selector includes an upper rotating plate rotatably mounted to the upper fixed plate while carrying a drive unit for rotating the outer path selector about the fixed shaft, and a control unit for controlling the drive unit, and a lower rotating plate connected to the upper rotating plate. Each inner path selector includes a hollow rotating shaft rotatably mounted between the upper and lower rotating plates, a path select tubing connected to the rotating shaft to rotate along with the rotating shaft, and a disc mounted to a lower end of the rotating shaft, and provided with a plurality of circumferentially-arranged paths.

Tubulars are joined for subterranean borehole use in the production of hydrocarbons by a technique of magnetically impelled arc butt (MIAB) welding. Large casing can be accommodated and the weld quality is maintained with control over the pattern of arc movement on the end walls by virtue of relative movements of the tubulars as the arc is generated and the magnetic field is applied. One or both tubulars can be manipulated relatively in a variety of direction to control the movements of the arc as the magnetic field induces circular arc movement along the end walls of the tubulars to heat up the ends to the temperature needed to effectively fuse the wall ends together. Movement can be rotational or axial about a fixed axis or lateral with respect to the axes both with and without skewing of the axes. The movements can be combined to obtain the desired track.

The invention relates to an automatic pancake machine. The automatic pancake machine comprises a stove, a fixation shaft, a shaft sleeve, a support arm, a fixation plate, a fixation pin, a fixation base, a groove, a sleeve, a shaft sleeve, a support shaft, a cross shaft, adjusting screws, an arc shovel, an arc hopper, a feeding pump, a batter box, a motor, a pin groove and a bearing; the fixation shaft is welded to the side wall of the stove, the shaft sleeve is arranged on the fixation shaft in a sleeving mode and fixed through a nut, the shaft sleeve rotates around the fixation shaft, the support arm is welded to the shaft sleeve, the tail end of the support arm is connected with the sleeve, the sleeve is connected with the fixation plate through the support arm, the fixation pin is installed on the side wall of the fixation plate; and the fixation base is welded to the side wall of the stove at the opposite side of the fixation shaft, the groove is formed in one side of the fixation base, the fixation plate is inserted in the groove, the motor is arranged in the sleeve, the support shaft is fixed to the middle of the top of the cross shaft through the screws, the tail end of the support shaft is connected with the feeding pump, and the batter box is arranged at the top of the feeding pump. The automatic pancake machine is simple and convenient to operate, safe, reliable and suitable for popularization and application.

The invention provides a plane fixed-axle rotation supporting platform. The platform comprises an upper platform and a lower platform, wherein the upper platform and the lower platform are coaxial and parallel to each other, and rotates around a central axle of a rotation support, a plurality of supporting rolling wheels with equal height are arranged between the upper platform and the lower platform, and two rotation positioners are connected with adjacent sides of the upper platform and the lower platform. According the platform, a supporting function can be achieved, the platform can also rotate around a fixing axle in a plane, and when high load exists, the rotation can be achieved through manual operation in the plane easily.

The invention relates to a roller mill for grinding solid material such as cement raw materials and similar materials, said roller mill comprising a substantially horizontal grinding table and at least two rollers which are configured for interactive operation with said grinding table. wherein at least one of said rollers rotates about a stationary shaft connected to a rocker arm pivotally connected to a mill stand which substantially is situated outside said grinding table and therefore does not utilize a mill stand and the remaining rollers do not utilize a mill stand. According to the invention the number of rollers, and thereby the capacity of the mill is increased without introducing more mill stands.

A coaxial pump or turbine module directs working fluid past a rotor and through a flow path symmetrically distributed within an annulus formed between an outer module housing and an inner motor or generator coil housing. The inner housing can be cooled by working fluid in the flow path, or by a cooling fluid flowing between passages of the flow path. The flow path can extend over substantially a full length and rear surface of the inner housing. The rotor can be fixed to a rotating shaft, or rotate about a fixed shaft, which can be threaded into the motor and/or module housing. A plurality of the modules can be combined into a multi-stage apparatus, with rotor speeds independently controlled by corresponding variable frequency drives. The motor or generator can include radial or axial permanent magnets and/or induction coils. Embodiments include guide vanes and/or diffusers.

The invention provides a preparation method of a one-dimensional Euphorbia-milii-shaped WO3 microcrystal, which comprises the following steps: adding WCl6 into an isopropanol-distilled water mixed solvent, adding a polyoxyethylene-polyoxypropylene block copolymer into the solution to obtain a precursor solution, pouring the precursor solution into a hydrothermal kettle, and reacting while controlling the temperature at 80-240 DEG C under the pressure of 2-16 MPa for 4-36 hours, wherein the hydrothermal kettle is fixed in an homogeneous reaction instrument, and rotates around a fixed axis at the rate of 20-70 r/min in the insulating process; and taking out the product, washing and drying. The prepared one-dimensional Euphorbia-milii-shaped WO3 microcrystal has the advantages of high purity, favorable crystallinity, favorable dispersity, uniform size, uniform shape and obvious oriented growth.