100results about How to "Stable travel" patented technology

An HGA includes a head slider with at least one head element, a precise positioning actuator fixed to the head slider for precisely positioning the at least one head element, and a support for supporting the actuator. The actuator has a pair of movable arms capable of displacing in response to a drive signal applied to the actuator. The head slider is mounted between the pair of movable arms. The head slider and the actuator are adhered by at least one adhesive film.

A moving mechanism for running stably, with keeping a car frame horizontal even on a road surface inclined, while absorbing disturbances from unevenness on the road surface, comprises a car frame attached with wheels for running, wherein each of the wheels is attached to a car body through a swing arm, and an appropriate control is made on an inclination of a table rotatable in pitch/roll directions, to which coil springs for supporting the swing arms, respectively, are suspended; thereby achieving the moving mechanism for running stably, with keeping the car frame horizontal.

The present invention is to provide a flexible polyurethane foam for tires that can effectively suppress damages, such as chips and cracks, and deformation, such as compression (permanent set in fatigue), even when attached to an inner face of a tire by using a band member.

A flexible polyurethane foam for tires 5 which is attached to a gap between a tire and a wheel rim, wherein a density is in the range from 7 to 40 kg/m³ and a tear strength (N/cm) per unit density (kg/m³) is 0.30 or more, a noise reducing device with the flexible polyurethane foam for tires 5 fixed to a ring-shaped band member, and a tire 10 with the noise reducing device attached thereto.

Proposed are a robot cleaner having an improved wheel structure to escape from being stuck in various travel conditions, and a control method thereof. The robot cleaner may smoothly escape from a door sill or an obstacle to stably travel irrespective of a state of a floor by providing an optimal frictional force of the floor through the control of an electric current of a motor when the robot cleaner escapes from being stuck. Also, the robot cleaner may stably travel without shaking by controlling an electric current flowing through the motor after the robot cleaner escapes from being stuck and before the driving wheel returns to a normal mode. Furthermore, it is possible to prevent a wheel mechanism such as a gear from being damaged by an external shock (e.g., which is caused by a pet or an object drop) or a shock caused by autonomous vibration when the robot cleaner crosses over an obstacle.

A mobility device includes at least a first front leg and at least a first rear leg connected to the first front leg connected to the first front leg. The first rear leg includes an upper member having a first end a second end and a lower member having a first end and a second end. The first end of the upper member is pivotally connected to the first end of the lower member, and the lower member is preferably pivotal between an extended use position and a folded storage position.

A vehicle wheel includes a rim for mounting a tire thereon and at least one hollow air chamber provided inside the rim, and the rim having the air chamber is integrally cast so as to have the vehicle wheel having the rim with an excellent mechanical strength and achieving stable traveling.

A multi-channel thin-film magnetic head includes a substrate, a plurality of thin-film magnetic head elements formed on the substrate, a closure fixed onto the plurality of thin-film magnetic head elements, a protection film laminated on a whole area of a TBS of the plurality of thin-film magnetic head elements and the closure, and many micro-grooves formed in a surface of the protection film.

An electric power steering device for a vehicle includes: a steering wheel return control unit that performs a steering wheel return control when a direction of a steering angle and a direction of a steering angular velocity is different; and a μ-split control unit that performs a μ-split control in order to suppress a behavior of the vehicle traveling on a μ-split road; wherein when the μ-split control unit performs the μ-split control, a value of a steering wheel return control gain in the steering wheel return control unit is set to be lower than a value which is used when the μ-split control is not performed.

The invention provides a vacuum welding furnace and a welding technology, and belongs to the technical field of vacuum welding. The vacuum welding furnace is characterized in that one end, close to the feeding end, of a welding platform (20) is used as a heating area; one side, close to the discharging end, of the welding platform (20) is used as a cooling area; a negative pressure pumping module(9) is arranged at the upper side of one end, close to the cooling area, of the heating area, and the negative pressure pumping module (9) is mounted on a furnace cover (4) by lifting; the bottom partof the negative pressure pumping module (9) and the heating area encircles a closed negative pressure chamber; a protecting gas inlet pipe is arranged on a welding chamber (18) or the furnace cover (4). According to the vacuum welding furnace, material sheets can be heated through the heating area, so that the material sheets can be quickly welded in the negative pressure chamber; protecting gasis charged, so that the material sheets are prevented from reacting with oxygen during being heated; the material sheets can be cooled and prevented from being oxidized through the cooling area. According to the welding technology, the welding time is decreased; the welding is accelerated; with the adoption of the cooling area, the material sheet can be completely cooled and is prevented from deformation caused by excessively quick cooling.

A slip control device, a slip control method, and a vehicle provided with such a slip control device are provided, with which the vehicle can travel stably even on a slippery road surface maintaining good road holding. The device is provided with a torque directive control means (23) for calculating torque directives for the motors respectively based on acceleration pedal depressions (24) and steering angles (26) and outputting them to each of motor control sections (21, 22) of the motors, a first reference speed calculation means (48) for calculating first reference speed of one of the pair of left and right motors to be controlled based on rotation speed of the other motor of the pair of motors, and a restriction putting means (20) for putting restriction to each of the torque directives sent from the torque directive control means (23) based on a permissible speed range determined for each of the motors by putting prescribed permissible speed deviation to each of the calculated reference speeds.

In a silent chain, the toothed link plates are configured so that their centers of gravity are aligned with the line of action of chain tension in a free span of the chain, when the free span is straight and under tension. The positions of the centers of gravity are aligned with the centers of the pin holes in the case of a chain incorporating round connecting pins and are aligned with the points of contact of the rocker pins and joint pins in the case of a chain having rocker joint connecting pins. Positioning of the centers of gravity can be effected by thickening the backs of the link plates or by providing weight-reducing holes in the vicinity of the teeth of the link plates.

An object of the invention is to provide a food and drink conveying device that allows a travel body on which food and drink are placed to stably travel along a curved path of a travel path while maintaining the stability of the food and drink. A travel body (7) is provided with a travel body main unit (26), which is driven and conveyed, and a leading body (27) at the front end of the travel body main unit (26) in the direction in which the travel body (7) travels. The leading body (27) is supported by the travel body main unit (26) so as to be pivotable in a horizontal plane. Contact sections (29) are provided to both sides of the leading body (27) in the widthwise direction relative to the direction in which the travel body (7) travels and aligned on either side in the direction in which the travel body (7) travels. The contact sections (29) provided on the inner side of a curved path portion (10a) are configured to make contact in the curved path (10a) at two locations in a travel path (1a).

A hybrid vehicle control device is provided with at least one controller that controls the outputs of the engine and of the motor according to the driving state, the engagement and disengagement of the clutch, and the transmission ratio of the continuously variable transmission. The at least one controller is programmed to start the engine and forcibly downshift the continuously variable transmission to a transmission ratio with which it is possible to start on an uphill road upon determining that the vehicle is on an uphill road while in an electric vehicle mode in which it is possible to travel by the drive force of the motor with the clutch released and the engine stopped.

There is provided an oil pressure control device for a belt-type continuously variable transmission which includes two pulleys and a belt, wherein each of the two pulleys has a movable sheave which moves by oil pressure supplied to a hydraulic chamber, wherein the oil pressure control device calculates a request torque according to a running state, wherein when calculating the oil pressure which is supplied to the hydraulic chamber of the movable sheave on the basis of the request torque, the oil pressure control device reduces the request torque if the request torque is greater by a predetermined value or more than an actual input torque which is inputted to the belt-type continuously variable transmission. Accordingly, it is possible to provide an oil pressure control device for a belt-type continuously variable transmission with which undesirable vibration can be avoided by means of stable speed-ratio control.

The invention relates to a conveying system. The conveying system comprises a conveying track, an endless conveyor mat for conveying products in a conveying direction, a drive for driving the conveyor mat, and a return guide provided at the conveying track for guiding the conveyor mat upon circulation. The return guide extends substantially transversely to the conveying direction. The conveyor mat comprises a number of plastic modules, which are provided at their bottom side with a track guide surface, while at least a part of the plastic modules at the location of the respective track guide surface comprise at least one chamber extending inwardly with respect to the module for being in a contact with the return guide during circulation of the module around the return guide. The chamber is formed such that the contact upon circulation consists of a first line contact and a second line contact.

Provided is a vehicle braking/driving force control apparatus for securing travel stability of a vehicle by priority when a slip occurs on a wheel for generating a braking/driving force while a plurality of motions are controlled. An electronic control unit identifies a slipping wheel having the maximum slip ratio (S_i (i=fl, fr, rl, rr)) among wheels. The unit determines to increase or decrease a target roll moment (K_mxM_x) and a target pitch moment (K_myM_y) for controlling a roll motion and a pitch motion, which are motions on the body in the vehicle vertical direction, so that the driving force on the slipping wheel has a direction to eliminate the slip state. The unit executes driving force distribution control so that a target longitudinal driving force (Fx) and a target yaw moment (M_z) for respectively controlling a longitudinal motion of a vehicle (Ve) and a yaw motion of a body (Bo), which are motions in vehicle longitudinal and lateral directions, and the increased/decreased moments (K_mxM_x, K_myM_y) so as to simultaneous realize those factors.

The ink-jet recording unit and method apply a voltage identical in polarity with charged colorant particles agglomerated at a tip of each of ink guides to an ejecting electrode, eject ink from the tip and shake the colorant particles at the tip to agglomerate the colorant particles at the tip in preparation for a subsequent ejection of the ink. The recording head cleaning method for the ink-jet recording unit fills the ink channel with a cleaning solution and shakes the cleaning solution to clean the ink guides.

A tape guiding mechanism for guiding a traveling tape is provided including a guide roller for guiding the traveling tape and a regulator which rubs against at least one edge of the traveling tape in its width direction, in which the guide roller includes a circumferential surface with which the tape is in contact, a spiral groove is formed on the circumferential surface around an axis of the guide roller, and the traveling tape shifts to one side in a width direction on the circumferential surface of the guide roller.

A moving crane including a frame which, in its upper part, is provided with a main support structure and which, in its lower part and on opposite sides of the lower part of the frame, is provided with lower beam structures transverse to the main support structure; at least one wheel or wheel arrangement at both ends of the lower beam structures, i.e. in each lower corner of the crane; a trolley arranged to move along the main support structure and provided with a hoisting member; a hoisting mechanism for driving the hoisting member of the trolley, and a cab for the crane operator, whereby the cab is placed in connection with one lower beam structure and the hoisting mechanism in connection with the other lower beam structure.

Provided are a double-sided coating apparatus and a method for double-sided coating with a coating solution configured to uniformly apply a coating solution to both surfaces of a substrate having a central opening in a simple process while preventing ingress of the coating solution to the central opening. A coating apparatus 1 according to the invention applies a coating solution to both main surfaces of a substrate 2 having a central opening 2a. The coating apparatus 1 includes: a rotation driving mechanism 3 with a chuck 11 which holds the substrate 2 by blocking the central opening 2a; a first coating solution nozzle 18 which ejects a coating solution to a first main surface of the substrate 2; a first pivot driving mechanism 17 which operates the first coating solution nozzle 18 to move to scan the first main surface of the substrate 2; a second coating solution nozzle 28 which ejects the coating solution to a second main surface of the substrate 2; a second pivot driving mechanism 31 which operates the second coating solution nozzle 28 to move to scan the second main surface of the substrate 3, and a device to independently control an ejection amount of the coating solution from the first coating solution ejection port 23 and an ejection amount of the coating solution from the second coating solution ejection port 29.

A mechanism for restricting a lateral position of a tape traveling in a longitudinal direction is disclosed, that comprises a base having a convex portion, a guide directly disposed on the convex portion, a lower flange having an opening through which the convex portion passes, the lateral position of said lower flange against said base being movable between the front edge of said base and the bottom edge of said guide, and a member for pressing said lower flange to the bottom edge of said guide.

An image scanning device includes a housing, a scanning carriage, and a first guide groove and a second guide groove. The housing includes a bottom chassis and a side wall member, and defines a document tray. A scanning carriage is movably arranged in the housing. The first guide groove and the second guide groove are arranged at the side wall members of the housing, and guide the scanning carriage in a scanning direction.