441results about How to "Improve the rotation effect" patented technology

A multi-piece solid golf ball comprising a core consisting of an inner sphere and an enclosure layer surrounding the inner sphere and a cover surrounding the core and consisting of an outer layer and an inner layer is characterized in that the outer layer of the cover has a hardness of 40-60 in Shore D, the inner layer of the cover has a hardness of 55-70 in Shore D, the surface hardness of the enclosure layer is lower in Shore D than the surface hardness of the inner sphere, the inner sphere has a hardness expressed by a distortion of 1.5-4.5 mm under an applied load of 100 kg, and the ratio of the hardness A of the inner sphere to the hardness B of the ball, both expressed by a distortion under an applied load of 100 kg, is in the range: 0.4</=A/B</=1.8.

A method of performing a spinning operation of a washing machine is disclosed. First, a load weight of wet clothes contained in a tub is measured, and an optimal acceleration rate is calculated based upon the measured load weight. Finally, a rotational speed of the tub is gradually increased up to a predetermined speed at the calculated optimal acceleration rate such that the unbalanced distribution of the wet clothes within the tub is minimized.

A multi-piece solid golf ball includes an inner sphere (1), at least one enclosure layer (2), a cover inner layer (4), and a cover outer layer (5). The inner sphere has a deflection of 3.5-8.0 mm under a load of 100 kg. The enclosure layer is formed of an ionomer resin with a high acid content. The cover outer layer has a Shore D hardness of 40-60, and the cover inner layer has a lower Shore D hardness of 10-50 than the outer layer. The golf ball is improved in flight distance, spin performance, scuff resistance and durability against repetitive shots while giving a soft pleasant feel when hit with any club ranging from a driver to a putter.

The invention relates to a motion decoupled spatial three-freedom parallel mechanism, belonging to the mechanical structure technical field, comprising: a dynamic platform, a static platform, and three branches connected with the dynamic and static platforms, where two branches are the same and their vertical axes are located in the same plane, and the three branches all contain an input piece, a connecting piece and three motion auxiliaries, where one motion auxiliary is a single-freedom motion auxiliary a connected between the input piece and the static platform, one is a single-freedom motion auxiliary b connected between the input piece and the connecting piece, and another one is a motion auxiliary c connected between the dynamic platform and the connecting piece, where the motion auxiliary a is driven, the motion auxiliary c can be single-freedom and multi-freedom. And the invention has features of higher rotating capacity, i.e. higher flexibility, and motion and remotion decoupling.

A motor includes a rotor and a stator. The rotor includes a plurality of magnets, which function as first magnetic poles, and salient poles, which function as second magnetic poles. A ratio X1:X2 of a quantity X1 of magnetic pole portions of the rotor, which is the sum of the quantity of the magnets and the quantity of the salient poles, and the quantity X2 of slots is 2n:3n (n being a natural number). The sum of a magnetic pole occupying angle θ1 of the magnet and a magnetic pole occupying angle θ2 of the salient pole is 360°. The magnetic pole occupying angle θ1 is set in a range of 180°<θ1≦230°.

A golf club head of this invention includes a face and a plurality of striations formed on the face by milling. A pitch P in the arrangement direction of the plurality of striations satisfies 300 μm≦P≦600 μm. The surface roughness of a region in the face with the striations satisfies in the maximum height of the profile Ry, 15 μm≦Ry≦0.005×P+15.7 μm.

The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film has a storage modulus (E′) in a temperature range from 120° C. to 150° C. measured under the specific measurement conditions using a dynamic viscoelasticity measuring apparatus of 1.00×10⁷ dyn/cm² or more and 1.00×10⁸ dyn/cm² or less and a loss tangent (tan δ) at the temperature of 10° C. of 0.050 or more.

There is provided a motor including a rotor and a stator arranged outside the rotor in the radial direction. The rotor includes a rotor core, a plurality of magnets arranged at equal intervals in the circumferential direction of the rotor core and functioning as one magnetic pole, and salient poles integrated with the rotor core, each arranged between adjacent magnets and at a distance from the magnets. The salient poles function as the other magnetic pole. A stator has a stator core having a plurality of teeth extending in the radial direction of the stator and arranged at equal intervals in the circumferential direction, and multi-phase coils attached to the teeth. The plurality of salient poles are arranged to have center portions arranged at equal intervals in the circumferential direction, and each have an outer surface extending in the circumferential direction in a range of a predetermined opening angle having an axis of the rotor as a center. A first opening angle serving as an opening angle of an outer surface of a first salient pole is different from a second opening angle serving as an opening angle of an outer surface of a second salient pole.

An object of the present invention is to provide a motor control device capable of suppressing voltage composite vector fluctuation to increase the output of a brushless motor, and a motor-driven power steering system using this device. The present control device calculates motor phase current command values based on a target current and a rotor rotational position detection value, calculates voltage command values based on the motor phase current command values and phase current detection values, and supplies phase currents to a three-phase brushless motor based on the voltage command values. The present control device outputs the phase current command values so that the absolute value of a composite vector of respective phase drive voltages is substantially a value √3/2 times the power supply voltage.

A spinning reel for fishing includes: a reel body including a front portion; a handle provided in the reel body; a cap-shaped cover body including a surrounding wall mounted in the front portion of the reel body; a spool on which a fishing line is to be wound; a rotor including a fishing line guide part, the rotor being rotated by the rotational manipulation of the handle to wind the fishing line on the spool; a driving part passing through the cover body and transmitting the rotation of the handle to the rotor; a support part provided in the front portion of the reel body and supporting the driving part; and a magnetic seal device mounted in the cover body and including a magnet, a cylindrical magnetic body forming a magnetic circuit between the magnetic body and the magnet and magnetic fluid maintained between the magnet and the magnetic ring.

A rotor for an electric motor according to the invention comprises a substantially cylindrical core, conductive rods and two short-circuit rings. The cylindrical core is formed from a core material and provided with a plurality of longitudinal grooves which extend substantially in the direction of the cylinder axis. The conductive rods are formed from an electrically conductive material and are provided in the longitudinal grooves of the cylindrical core. The two short-circuit rings conductively connect the axial ends of the conductive rods to one another. A diffusion layer extends between the conductive rods and the cylindrical core. The diffusion layer comprises a diffusion material.

The invention relates to a high-flexibility three-DOF (Degree of Freedom) spatial parallel mechanism, belonging to the technical field of numerical control machines, and comprising a mobile platform, a fixed platform, a first branched chain, a second branched chain and a third branched chain, wherein the mobile and fixed platforms are provided with an actuator respectively; the first and second branched chains are connected between the mobile and fixed platforms and have the same structure; and the third branched chain is connected between the mobile and fixed platforms and has a structure different from the structure of the first second branched chains. The first, second and third branched chains all contain an actively-driving kinematic pair and are respectively connected with the fixed and mobile platforms to form a spatial parallel closed-loop mechanism. The spatial parallel closed-loop mechanism drives the mobile platform to move by three input motions to realize one mobile DOF and two rotational DOFs. The spatial parallel mechanism has high flexibility, specific rotational axis, relatively simple associated movement and other characteristics, and the operation precision and quality of the mechanism can be ensured more easily.

The invention discloses a coiling device applied to a textile machinery. The coiling device comprises a pedestal; the upper surface of the pedestal is vertically, symmetrically and fixedly connected with supporting plates; each supporting plate is of a reversed-U-shaped structure; the middle parts of the top ends of the two supporting plates are each provided with an accommodating groove; each accommodating groove is internally provided with a coiling roller; one end of each coiling roller is fixedly connected with a first gear; corresponding to the lower portion of the first gear, one side ofone supporting plate is rotationally connected with a fixing rod; the fixing rod is fixedly connected with a second gear; the second gear is engaged with the first gears; the side, corresponding to the second gear, of the fixing rod is fixedly connected with a first belt disc; the side, corresponding to one side of one supporting plate, of the upper surface of the pedestal is fixedly connected with a motor; and the output end of the motor is fixedly connected with a second belt disc. The coiling device disclosed by the invention prevents the phenomena that fabrics are coiled not closely, areeasily loosened and are not in order, is convenient to use, is also used for conveniently fixing a hard paper coiling cylinder, is simple to mount and dismount and improves the work efficiency.

Disclosed herein is a camera lens module pop-up device for a portable wireless terminal which enables insertion and extraction of a camera lens module into and from the portable wireless terminal in a pop-up manner. The device comprises a terminal housing formed with a lens hole, a camera lens module coupled through the lens hole in such a fashion that it can be inserted into or extracted from the lens hole as it is pushed laterally, and can rotate about a hinge axis thereof when being extracted, a rotation cam unit provided at an end surface of the camera lens module for adjusting or restraining a rotation angle of the camera lens module in a stepwise manner when the camera lens module is extracted from the lens hole, and a lens pop-up module coupled to the camera lens module so as to extend in a hinge axis direction for enabling the camera lens module to be inserted and extracted through the lens hole when the camera lens module is pushed laterally, and for enabling the camera lens module to rotate upon extraction thereof.

A motor includes a sleeve, a sleeve holder, a rotor hub and an inner body. The sleeve has a flange portion on an outer circumference portion thereof. The sleeve holder holds the sleeve. The rotor hub has an annular wall portion. The inner body is fixed in an inside of the annular wall portion so as to surround the sleeve and the sleeve holder. The inner body has an annular protrusion portion which is sandwiched between the flange portion and one end portion of the sleeve holder on an inner circumference portion of thereof. A first thrust bearing portion in which a lubrication agent is filled is formed between the annular protrusion portion and the flange portion. A second thrust bearing portion in which the lubrication agent is filled is formed between the annular protrusion portion and the one end portion of the sleeve holder.

The invention relates to a function-restorable assembly type wave web beam-column composite joint connection device and belongs to the technical field of structural engineering. The function-restorable assembly type wave web beam-column composite joint connection device is composed of a round steel pipe column with a cantilever beam section, a wave web I-shaped composite beam section and a connecting device between the round steel pipe column with the cantilever beam section and the wave web I-shaped composite beam section. Welding of the joint connection device and assembly of the wave web I-shaped beam section and a composite floor are finished in a factory; weld seam and member qualities are easier to control; the round steel pipe column with the cantilever beam section and the wave web I-shaped composite beam section are assembled only through high-strength bolts and connection plates on site, so that the construction speed and quality are greatly improved; the wave web I-shaped composite beam section can be built on the lower flange connection plate of the round steel pipe column with the cantilever beam section, so that the hoisting difficulty is lowered and on-site assembly and positioning are easy; and through specific design, the structure destroyed positions can appear in the positions of energy dissipation members such as the easy-to-replace high-strength bolts and lower flange connection plate under the action of earthquake load, so that post-earthquake restoring is facilitated, and the function-restorable assembly type wave web beam-column composite joint connection device is adapted to development demands of a function-restorable assembly type steel structure.

The electric generating system comprises: a pressure-accumulating unit, an energy-converting unit and a pressure compensation unit; wherein fluid stored in the pressure-accumulating unit is released continuously with a high speed to form a spraying flow to drive the energy-converting unit to thereby further convert kinetic energy into electric energy; and the pressure compensation unit pressurizes the fluid and injects it into the pressure-accumulating unit to continuously supply required fluid and maintain a stable working pressure, this can afford the electric power requirement for outputting of a posterior delivery and distributing equipment.

An object of the present invention is to improve abrasion-resistance and spin performance of a golf ball having a polyurethane cover.

The golf ball of the present invention is a golf ball having a core and a cover covering the core. The cover contains a layered silicate and a polyurethane resin having a secondary or a tertiary amine structure in a molecular chain thereof. In the present invention, the polyurethane resin used as a resin component constituting the cover has a secondary or tertiary amine structure in a molecular chain. Thus, it has a strong interaction with the layered silicate, and a reinforcing effect of the filler becomes even higher. As a result, abrasion-resistance and spin performance of the resultant cover are improved.

An object of the present invention is to provide a golf ball showing excellent shot feeling and stain resistance. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein a base resin constituting the paint film includes a polyurethane obtained by a reaction between a polyol composition and a polyisocyanate composition, a molar ratio (NCO/OH) of an isocyanate group (NCO group) in the polyisocyanate composition to a hydroxyl group (OH group) in the polyol composition is 0.6 or more, and the paint film has an elastic modulus of 300 MPa or less.

Assembly precision in a motor is improved and greater cost reduction is achieved.

A fluid dynamic bearing apparatus 1 comprising a housing 7 and bearing sleeve 8 as fixed-side members 2, a shaft member 9 as a rotational-side member 3 having a portion 3c for mounting a rotor magnet 5, and a disk hub 10, the shaft member 9 being supported by the bearing sleeve 8 in the radial direction in a non-contact manner by the hydrodynamic effect of a lubricating oil produced in a radial bearing gap between the inner circumferential surface 8a of the bearing sleeve 8 and the outer circumferential surface 9a of the shaft member while the shaft member 9 is in rotation, the apparatus 1 comprising a disk hub 10 which is fixed on the shaft member 9 and has a portion 3c for mounting the rotor magnet 5, and the disk hub 10 being a molded resin article formed by insert-molding using the shaft member 9 as an insert piece.

The invention discloses a tomato side branch pruning robot. The robot includes a walking device (100), a lifting platform (200) is arranged on the top of the walking device (100) and provided with a first visual system (300) and a lead screw sliding table device (201), and a mechanical arm base (5), a large arm base (8), a large arm (22), a small arm (35) and a wrist (39) are sequentially connected with one another on the lead screw sliding table device (201); the end of the wrist (39) is connected with a laser cutting device (500) through a laser cutting device mounting plate (44). Through remote control, tomato side branches can be effectively pruned, and the robot has the advantages that the pruning efficiency is high and the flexibility is high.