493results about How to "Eliminate wear and tear" patented technology

The present application discloses automatic door assemblies and swing operators therefor. One aspect of the disclosure provides a swing door operator that has spring return breakout and from motor driven opening. Another aspect of the disclosure provides a swing door operator that is non-handed with spring return from either direction. Another aspect of the disclosure provides a swing door operator in which spring force is transmitted to the operator output member via a cam structure.

The present invention is directed to a medical device, specifically a prosthesis which utilizes a novel class of blends between biodegradable polymers and bioceramics for medical device applications allowing one to capitalize on the biodegradable nature of these two distinct materials while enhancing the strength of these devices through the addition of various amounts of bioactive ceramic and glasses to biodegradable polymers. The blend may be fabricated into a medical device such as a stent or a distal protection device, and may incorporate various agents to enhance radioapacity and/or pharmacological function. In addition, the blend may be used as a coating to a medical device.

A coin processing machine for sorting or verifying coins includes a hopper for receiving and discharging coins, a processing device to one side of the hopper, and a feed device extending between the hopper and the processing device to drive coins discharged from the hopper to the processing device. The feed device has a belt drive that drives coins along the transfer plate. The processing device has a processing plate that defines a circular coin path, a wall extending along the coin path, and a rotating drive disk that drives coins along the coin path. The disk rotates concentrically with respect to the wall to reliably locate coins against the wall for sensing or processing.

A coin processing machine for sorting or verifying coins discharges coins through one or more coin tubes and includes a disk mounted on a drive shaft by a nut threaded on the shaft. Each coin tube includes a coin bag support with a non-flexible bracket that presses the bag against the support. A high-friction washer is located between the nut and disk to resist loosening of the nut during machine operation.

The invention provides an online detection device for the pulp flow rate and a multi-parameter online detection integration system, which comprise a pulp container which has a feed port and a discharge port and is arranged on a support through a, weighing cell, a pulp flow rate detection device which is provided with a soft connector at the discharge port, and/or a pulp density measuring device, a pulp grain size measuring device and a pulp grade measuring device. The online detection device for the pulp flow rate and a multi-parameter online detection integration system can not only measure any single index of the flow rate, density, grain size and grade of the pulp according to requirements, but also simultaneously measure two or above two or even all of the indexes with high measuring accuracy, good stability and reliability. The online detection device for the pulp flow rate and a multi-parameter online detection integration system also have the advantages of simple structure, high working efficiency, low labor intensity, wide application range, etc., thereby being capable of providing the highly reliable flow rate, density, grain size and grade control parameters for liquid products to ensure product quality, reduce cost and improve working efficiency, and providing a highly guaranteed measuring device and system for full automatic control.

A push cart includes a frame, a pushing device, a plurality of casters, one or more electric consumers, at least one rechargeable battery, and at least one power generator that can be driven via a traveling motion of the cart and is connected to the at least one rechargeable battery.

The present invention relates to one kind of combined rolling press grinding apparatus, and belongs to the field of inorganic non-metal material grinding technology. The combined rolling press grinding apparatus includes one dispensing mechanism, one lifting and conveying mechanism, one rolling press, one ball mill, one powder concentrator, one dust collector and one fan. The present invention has the advantages of low milling loss, simple structure, several operation mode, high grinding efficiency, low power consumption, etc.

Implantable medical devices (IMDS) and their various components, including flat electrolytic capacitors for same, and methods of making and using same, particularly an improved electrolytic capacitor. Methods and apparatus for securely mechanically and electrically attaching anode sheets of multi-sheet anode layers of electrolytic capacitors together in a simple manner that does not without unduly damage adjacent or exposed oxide layers are disclosed. The side-by-side stacked multiple anode sheets of a multi-sheet anode layer are joined together by precision cold welding the anode sheets together wherein deformation of the anode sheets is effected by simultaneously driving one or more set of first and second axially aligned cold weld pins into respective first and second stack sides of the stacked anode sheets to substantially equal cold weld depths.

A vertical shaft maglev wind power generator is composed of vanes, a rotary shaft, a power generator, a radial magnetic bearing, an axial TDOF magnetic bearing, an upper protection bearing, a lower protection bearing, an upper protection bearing retainer ring and a lower protection bearing retainer ring; the rotational part and the stationary part of the fan are not in mechanical contact, the mechanical friction in the fan is completely eliminated and the FDOF levitation of the fan rotor is realized. The axial magnetic bearing of the fan supplies gravity offset through 4 stator magnetic poles and the effect of a suction disc and performs axial translation and two radial rotational DOF control on the rotor; and the radial magnetic bearing finishes the two radial translation control of the fan rotor. The invention has reasonable layout of the components, completely eliminates the friction problem of the vertical shaft fan bearing, greatly reduces the starting wind speed of the wind power generator and improves the wind energy utilization rate.

A carpet seaming iron having an internal electronic temperature control circuit including a solid state temperature sensor, a power controller, and a solid state switching device is disclosed. The iron does not use a thermostat for temperature control. The iron includes a baseplate, an electrically powered heating element, a heat shield, a handle and the internally mounted control circuit. The control circuit includes a means for providing a signal to the power controller corresponding to a desired temperature of the iron. A solid state temperature sensor sends a signal to the power controller corresponding to the baseplate temperature. The power controller controls the switching device so that the amount of power supplied to the heating element is proportional to the difference between the baseplate temperature and the desired temperature. Thus as the baseplate becomes hotter, less power is supplied to the heating element, and the seaming iron maintains a stable and precise temperature.

The invention relates to a horizontal shaft magnetic suspension wind driven generator, comprising a stationery part and a rotating part; the stationery part comprises a radial magnetic bearing stator part, an axial magnetic bearing stator part, a generator stator part, a front protective bearing, a rear protective bearing, a stator shell and a blower tower; the rotating part comprises a blade, a hub, a rotating shaft, a radial magnetic bearing rotor part, an axial magnetic bearing rotor part and a generator rotor part; an axial magnetic bearing is composed of a permanent magnet without a control system, a radial magnetic bearing is a permanent magnet bias magnetic bearing, the permanent magnet provides bias flux density, and control force is adjusted by current; the blower rotor realizes five-freedom-degree stable suspension, can completely eliminate the mechanical friction of the rotating part and the stationery part, reduce starting resisting moment and starting wind velocity of the blower and improve the wind energy utilization rate. All components of the invention have rational and compact layout, the maintenance of the blower can be reduced and the service life is prolonged.

The invention, belonging to the technical field of catalyst and its application, particularly relates to an ultrafine molecular sieve structured catalytic material based on a porous silicon carbide carrier and a preparation method thereof. The material comprises ultrafine molecular sieve crystals as active elements and has a hierarchically porous structure, and the whole ultrafine molecular sieve coating has catalytic activity. The method is characterized by coating a colloidal molecular sieve precursor on the surface of a modified foam silicon carbide carrier, converting the molecular sieve precursor into ultrafine molecular sieve crystals by vapor phase treatment to realize the firm combination between the coating and the carrier. According to the invention, by controlling the synthesis conditions of the colloidal molecular sieve precursor and the method of adding a pore forming agent, the size of the molecular sieve crystals, silica-alumina ratio and intercrystalline porosity can be controlled; a pore structure and the type of the molecular sieve can be designed according to the geometrical structure of a target product; and the capacity of accommodating carbon is raised, the mass transfer capability of the catalyst is reinforced, and the life of catalyst is prolonged while keeping the high activity of the ultrafine molecular sieve and high target product selectivity.

A single side work polishing apparatus rectifies the surface geometry of a polishing pad during the polishing of a work. A correction roller is mounted to a pressure member that pushes a work against a polishing pad held by a rotating surface plate. The correction roller has a length substantially equivalent to the width of the working area of the polishing pad and is arranged along the radial direction of the surface plate. During polishing, the work and the correction roller are pressed against the polishing pad by the pressure member. The correction roller rotates about its longitudinal axis to rectify the polishing pad while the work is being polished.

An investment cast, stainless steel chain link is provided for chains used in water and wastewater treatment. The chain link comprises a pair of spaced apart, elongated sidebars having forward ends and rearward ends. The forward ends are spread apart and are provided with outwardly and laterally extending bosses having transverse boss pin bores coaxially aligned with each other. The rearward ends are interconnected by a cylindrical barrel having a barrel pin bore extending through each of the sidebars. The sidebars are formed with outwardly and laterally projecting reinforcing ribs-extending between the bosses and the barrel pin bore along a substantial length of the sidebars. A freely rotatable chain pin is inserted through aligned boss and barrel pin bores from either end thereof for interconnecting first and second pairs of sidebars. An arrangement is provided for preventing the lateral dislodgement of the chain pin from the sidebars.

A battery pack for powering a cordless power tool. The battery pack includes at least one battery cell operable to supply a discharge current, a switch operable to control the discharge current and a protection device to protect the switch. The protection device is positioned such that the device absorbs a current traveling in a direction opposite to that of the discharge current supplied from the battery cell.

The invention provides an optimized integrated system with a drive motor and an automatic transmission and a gear shifting control method. The optimized integrated system comprises the drive motor, an input shaft, a torsional damper, the automatic transmission, a transmission shaft, a main speed reducer and an integrated control unit. An output shaft of the drive motor is connected with one end of the torsional damper through a spline, and the other end of the torsional damper is connected with an input shaft of the automatic transmission through a spline. An output shaft of the automatic transmission is connected with one end of the transmission shaft through a universal joint, and the other end of the transmission shaft is connected with the main speed reducer through a universal joint. The drive motor is directly connected with the automatic transmission through the torsional damper, damage of impact generated in the gear shifting process to the shaft of the drive motor is reduced, and meanwhile, the gear shifting failure rate caused by gear shifting impact is reduced. According to the optimized integrated system, the gear shifting time is shortened, the phenomena of power impact and unsmooth gear shifting are eliminated, equipment abrasion is lowered, and the dynamic performance, the economic performance and the smoothness of an electric automobile are improved.

An improved hydraulic downhole oil recovery system that incorporates an above ground unit and a submersible, reciprocating downhole pump unit. Water-based fluid, rather than hydraulic fluid, is responsible for actuating the reciprocating downhole pump unit. The water-based fluid is transferred through the system using coil, coil tubing. The system further relies upon coil exterior production tubing to provide exceptional advantage in deviated oil wells.

The invention relates to a forklift operation training simulator. A main structure of the forklift operation training simulator comprises hardware equipment and a software system. The hardware equipment comprise a simulation cab, an steering control system, an instrument system, a multimedia computer, an audio system, an instructor control panel and the like. The software system comprises an operation platform and is used for real-time working environment animation generation of the computer, dynamic forklift driving simulation, sound simulation, operation evaluation, data management, network control and the like. The forklift operation training simulator has the advantages that a whole training period of a student can be shortened greatly, the student is enabled to finish training tasks in a short time, sudden incidents which rarely happen during practical training can be simulated conveniently, accurate-judging ability, good psychological quality and the ability of handling emergency circumstances correctly of the student can be cultivated, and training quality is improved.

A mover system that provides spatially separated rails of the track interacting with pairs of closely spaced opposed wheels of the mover constraining movement of the mover on the track is provided. Each pair of wheels includes standard cylindrical or crowned wheels contacting the opposed parallel sides of standard rectangular rails, retaining the movers on the track in both horizontal and vertical directions normal to a transport direction along the track. The wheels bear loads in a radial direction with respect to axial motion consistent with its naturally positioned strength.

A temperature sensor, particularly a high-temperature sensor, is provided in which an MI line or a heat-decoupling wire is arranged between the measurement resistor (chip) and the supply-line cable. Springs are stuck on the strands of the MI line, whereby the contacting to the measurement resistor is realized, or the heat-decoupling wire is stretched on one side to the end facing the measurement resistor and is connected elastically on the other end to the supply-line cable.

An expandable, variable compression pouch with an exoskeleton construction, which is a hybrid construction that combines a soft, flexible shell with semi-flexible molded outer components on the back, sides, bottom and front of the flexible shell. These molded components form an exoskeleton that provides structural reinforcement where needed without limiting the essential qualities of expansion or contraction or form fit that is essential to achieve the unique features and superior function of the pouch of the present invention.

The invention puts forward a method and device for a blast furnace to blow coal powder. Characterized by employment of several short spray guns, a large incidence angle, accurate positioning of spray guns, small heat radiation and long life of blowpipes, and adoption of ceramic nozzles, the new method and new device of the invention aims to eliminate various defects in prior art, such as small coal powder incidence angle, restriction by high speed hot airflow, inadequate mixing with hot air, long length and long service life of spray guns, large heat radiation and short service life of blowpipes, and hard use of oxygen-coal lances, etc. According to the invention, on the blowpipes of each air ports, each short spray gun is inserted into each installation seat, and coal powder blown into a blast furnace enters from blowing inlets positioned on a lateral side of each installation seat, then reaches the inside of each short spray gun through coal spraying holes that are disposed on tube walls of the short spray guns and are over against the blowing inlets, and is finally blown into the furnace through each short spray gun. The device of the invention at least comprises: a blowpipe with a coal powder precombustion function, short spray guns, installation seats, ball valves, locking devices, coal conveying branch pipes, a distributor, a small ball valve, a coal conveying pipe, and an inlet connecting piece.