Abstract: A game pull device having a handle which is of cylindrical construction. The first and second retainer channels are laterally disposed within the handle construction, and include an attachment element conveyed and fixed respectively thereto. The attachment element is made of nylon rope material having a predetermined tensile strength, and configured to terminate as a closed loop fastener or terminus, so as to form a single integrated game pull device. The handle of the deer pull also includes a gripping layer surrounding the cylindrically shaped element with the inclusion of an adhesive layer therebetween.

Abstract: A convertible vehicle is equipped with a tailgate (2), which is provided in the rear region of the vehicle and is supported at the vehicle body so that it can be swiveled, on the one hand, by a movement (arrow A) about a first front swiveling axis (4) into a first open position, which opens up the trunk (6) to the rear and, on the other, by a movement (arrow B) about a second rear swiveling axis (7; 7′) into a second open position, opening up in the upward direction the compartment (8) for a folding top (3). Pursuant to the invention, the rear support of the tailgate (2) is formed by at least one closing device (12, 12′) with a supporting body (11), which is hinged over a hinge unit (10) at the tailgate (2) and can be introduced with its free end region into an accommodating body (14), which is attached to the body of the vehicle, and can be fixed in this connection position by a locking element (15).

Abstract: A camper attachment comprising a top and a shell. The shell can function as a traditional camper by itself. With the top rotated open, a sleeping area between the top and the shell can be created by rotating the top upward along a common axis with the shell. Folding sections allow the sleeping area to be expanded to accommodate adults, even on short wheelbase vehicles.

Abstract: To restrict the sliding movement of the movable panel having first and second ends during the up and down movement of the second end of the panel, a tilting and sliding roof device for a vehicle includes a pair of stopper blocks fixed to a pair of guide rails, with each stopper block being provided with a pair of first and second elongated grooves extending in the up and down moving direction of the movable panel. A pair of first engaging members is provided on the movable panel for engagement with and disengagement from the first elongated grooves of the stopper blocks, and a pair of second engaging members is provided on the movable panel for engagement with and disengagement from the second elongated grooves of the stopper blocks.

Abstract: The present invention is directed to an apparatus and method of solder-sealing an active matrix OLED display using a monochromatic solid-state laser beam (1). The solder-sealing apparatus comprises a cover assembly (13) adapted to be positioned over at least one OLED (11) on a substrate (10), a sealing band (12) surrounding each OLED, a chuck assembly (20) with an array of heat sinks (21) that align with the OLEDs, a pick-up assembly (30) with at least one aperture (33), and a flange assembly (132) to which a solder pre-form (133) is secured. The chuck assembly (20) receives, aligns and orients the substrate (10). A vacuum is then applied through each aperture (33) to align and hold the cover assembly (13) in place. The sealing band (12) and solder pre-form (133) are aligned and pressed together by the pick-up assembly (30), and the focused laser beam (1) is projected through the chuck assembly to seal the OLEDs (11) within the cover assembly (13).

Abstract: A cover for child safety seats, particularly those attached to shopping carts, preferably comprised of a rectangular padded section and a similarly configured rectangular liner section of liquid impervious material, the padded section consisting of a central rectangular section and rear, front, and side flap sections for securing the cover to the child seat, and preferably having aperture for receiving a restraining strap or belt attached to a child safety seat, padded covers for the safety straps of the seat, and the rear and side flap sections are fitted with external pockets designed for receipt of personal items of the infant, small child, or parent or guardian.

Abstract: A child safety seat has a harness including a pair of shoulder straps extending through respective slots in the seat back and a respective lap strap connected to each shoulder strap. A shoulder pad is slidably mounted on each shoulder strap. Each shoulder pad has an upper loop attached to its upper end and a lower loop attached to its lower end, the corresponding shoulder strap being threaded through said upper and lower loops. A respective fixed-length tether extends between the upper end of each shoulder pad and the seat back. A separable link assembly has a first link part slidably mounted on one shoulder strap between the upper and lower loops and a second link part slidably mounted on the other shoulder strap between the upper and lower loops.

Abstract: In the child seat of the present invention, one side of a cam plate is entirely abutted against an abutting plate. When the cam plate is rotated clockwise by 45°, the cam plate moves toward the front side as guided by a guide disk with a guide frame with rotation of the cam plate, while a corner of four corners of the cam plate constantly abutting against the abutting plate. With this structure, the child seat can be provided which has enhanced securing stability relative to a vehicle seat and which can facilitate in-vehicle handling.

Abstract: Variable clutching seat recliner apparatus includes a drum coupled to a seat back, a band wrapped about the drum inhibiting rotation thereof, a tightening mechanism coupled to opposed ends of the band such that a force applied to the seat back in either of two opposing directions produces a tension in the band adjacent either end and a corresponding loosening of the band adjacent the other end. The tightening mechanism includes a lever pivotable about a fixed pivot point to convert a portion of the tension to reduce the loosening, and a variable control mechanism positioned proximate the lever for limiting pivotal movement of the lever.

Abstract: A motor-driven footrest device of a seat, comprises a footrest; an expanding mechanism having one end equipped with the footrest, the expanding mechanism being movable to assume a shrunk condition wherein the footrest is received in an opening formed in a seat cushion of the seat and an expanded condition wherein the footrest is projected from the opening to permit the feet of a seat occupant to be put thereon; an electric drive unit connected to the other end of the expanding mechanism to move the same to assume the shrunk condition and the expanded condition by the force of an electric power; and a mounting structure secured to a base structure of the seat, the mounting structure carrying both of the expanding mechanism and the electric drive unit.

Abstract: A dump vehicle with a positively controlled opening gate is disclosed. The vehicle includes a frame, a dump bed mounted on the frame and having a floor, front and side walls and a rear opening through which material can be discharged from the bed, and a gate having a pair of lateral edges and a lower edge. The gate is pivotally mounted adjacent the rear opening and has a closed position in which the gate blocks the rear opening to prevent discharge from the bed through the rear opening. The vehicle further includes a gate control mechanism connected to the gate. The gate control mechanism is adapted to selectively raise the gate from the closed position to allow metered discharge of material or to release the gate from the closed position so that the gate may pivot away from the rear opening to allow unmetered discharge of material.

Abstract: According to the invention, a waterproof structure is formed by disposing a seal ring on members communicated with a center hole (50) including a hub hole (17), a liner (53) for preventing contact corrosion between different kinds of metals from occurring is interposed between a hub flange (2) and a hub (4), and a mounting face (18) of a wheel (1) to an axle (3), and a flanged washer (44) having a recessed section shape is used at a place where a fastening member (43) for the wheel (1) and a rim (42) abuts against a disk (7) of the magnesium alloy wheel (1), the flanged washer having a property that a contact potential difference between a surface of the washer and magnesium is small, whereby contact corrosion due to retention of an electrically conductive medium such as water or salt water is prevented from occurring, so that the durability is remarkably improved.

Abstract: A knuckle hub assembly (10) and a method for manufacturing same whereby brake run out is produced includes a knuckle (12), a bearing (28) press fit into the knuckle (12), and a wheel hub (14) coupled to the bearing (28) and rotateable with respect to the knuckle (12). The wheel hub (14) has a flange surface (34) having a relief channel (60) formed therein. A plurality of wheel studs (44) are press fit into bolt opening (42) formed in the relief channel (60). This arrangement provides a flat flange surface (34) for mating with a rotor (42) to minimize brake run out. The knuckle hub assembly (10) is mounted into a floating tool for finish turning of the flange surface (34) to provide minimal run out and maximum flatness.

Abstract: A control method of a hydraulic pressure source-driven type vehicle hydraulic pressure brake system in which no irritating noises or vibrations are produced during stoppage of the vehicle and which does not consume electric power in waste. When the vehicle stops and the surroundings become quiet, by detecting stoppage of the vehicle by a sensor for detecting the rotation of a wheel, stopping a motor for a pump for producing brake hydraulic pressure, and opening a solenoid valve in a master cylinder passage bringing the master cylinder and the wheel cylinder into communication with each other, it is possible to prevent noises or vibrations from the motor and wasteful consumption of electric power.

Abstract: Existing valve control devices are set up in housings that feature also the complete yoke in addition to the valve spools.

Abstract: A hydraulic system for actuating at least two operating systems of a motor vehicle has a first hydraulic medium reservoir for storing a hydraulic medium. A distribution valve is connected to the first hydraulic medium reservoir and to the operating systems of the motor vehicle. A control unit is connected to the distribution valve which is configured to distribute the hydraulic medium from the first hydraulic medium reservoir to the operating systems of the motor vehicle and to control flow of the hydraulic medium to the operating systems of the motor vehicle such that one of the operating systems has priority with regard to supply of the hydraulic medium. A first one of the operating systems is a brake device having a brake power assist unit, a brake valve, and a master brake cylinder. The brake power assist unit is connected via the brake valve to the control unit.

Abstract: When a key is rotated, it is moved in order of an ON position, an R position, an N position and a D position so that the range of an automatic transmission is switched. Moreover, when the key 13 is pressed in the ON position and the N position, it is moved to a START position so that power is applied to a starter. In this case, it is possible to carry out an operation for starting an engine and an operation for switching the range of the automatic transmission by manipulating the same key in a different direction. Therefore, the operation for starting an engine and the operation for switching the range of the automatic transmission can be carried out easily.

Abstract: A touch switching apparatus includes: a switching unit for evenly illuminating on a touch unit manipulated by a user among touch units with marks; and a driving circuit for driving the switching unit when detecting the manipulation.

Abstract: A process for generation of electricity by means of electromagnetic induction, through a liquid-borne medium bearing magnetic material in powdered form. The present invention illustrating this process is comprised of bottom (b) and top (a) hollow hemispheres (one inch wall thickness), enclosing a coil-core assembly (FIG. 2) of metal and coiled wire, mounted on two equidistant notches (c) on the bottom hemisphere. Paraffin and powdered magnetite are solidified into place and the hemispheres mated with glue. The coil-core assembly is created from wire (h) wound on a manufactured metal piece (e) and fed through “tunnel holes” (f,g) drilled into the metal piece and leading outside the ends of the metal piece (h), out of the container housing. Wires from the coil-core assembly extrude and convey electricity, which is induced by a moving magnetic field formed by the boiling medium of magnetic material, when the invention is placed in an area of heat above approximately 360 degrees F.

Abstract: A sliding means with built-in moving-magnet linear motor is provided, realizing high-speed operation and much response ability of a table to a stationary bed, and also accurate position control of the table to the bed. With the sliding means of this invention, armature windings carry a three-phase current while a driving circuit is transferred to the external driver to make the bed slim in construction. Thus, the sliding means is reduced in overall height. A field magnet of rare earth permanent magnet is effective in raising flux density, thereby providing high propulsion for the table. An encoder to monitor a position of the table is an optical encoder having an optical linear scale, which contributes to improvement in accurate monitoring. The construction in which the armature windings connected to cords, lines, and so on are placed on the stator side has no fear of causing dust and dirt, thus realizing clean environment.

Abstract: A linear actuator includes a supporting unit with a stopper, a linear output unit, a movable unit, a magnetic flux generating unit and a control unit. The movable unit is connected to a stopper of the outer pipe at one end of the outer movable unit and to the linear output unit at the other end. The magnetic flux generating unit generates first magnetic fluxes. The movable unit has elasticity, and expands or contracts based on action of the first magnetic fluxes and the elasticity. The linear output unit linearly moves in response to the expansion or contraction of the movable unit.

Abstract: An electric compressor includes a compression mechanism and an electric motor. The compression mechanism compresses gas. The electric motor has a rotary shaft that is coupled to the compression mechanism. The compression mechanism and the electric motor are integrally assembled. The electric motor is a ring coil type motor in which a coil is wounded in the circumferential direction of the rotary shaft.

Abstract: A direct current motor according to the present invention is provided with a stator 2 in which coils 4 corresponding to N phases are arranged almost at equal intervals in a circle-circumferential direction of stator cores 3, a rotor 8 in which a plurality of permanent magnets 9 are respectively arranged at positions corresponding to the coils 4 of the stator 2, and a current carrying device, having a commutator 11, for commutating direct current supplied from a power source to N-phase current in cooperation with the rotor 8 and carrying the N-phase current to each coil of the stator 2. In the internal space of the current carrying device, a plurality of noise eliminating members 23 connected with a plurality of brush holding plates corresponding to the coil phases are arranged.

Abstract: An elevator hoist apparatus comprising the ventilation passage within a motor frame that includes an inlet suction port at one end, a flow passage extending through the motor and upper and lower discharge ports at the other end of the motor frame. The upper discharge port is at a position above the horizontal plane including the motor axis by 45 degrees and the lower discharge port is at a position below the horizontal plane. A blower is connected to each discharge ports, thereby generating a substantially uniform flow of cooling air within the motor frame. Therefore, the flow of cooling air generated within the motor frame is substantially uniform, eliminating stagnation region and uneven cooling, improving the cooling efficiency. Also, since two blowers are disposed both above and below the horizontal plane H, the load on a single blower is small, allowing a small-sized blower to be used and the overall size of the elevator hoist apparatus can be made small.

Abstract: A motor arrangement has an electronically commutated motor of an explosion-protected design with a permanent-magnetic rotor, a stator, and an electronic commutation device. At least one galvanomagnetic rotor position sensor is arranged on the stator and separated from the permanent-magnetic rotor by an air gap, wherein the at least one galvanomagnetic rotor position sensor is configured to detect a magnetic field of said permanent-magnetic rotor and emits an output signal controlling said electronic commutation device. An opto-coupler transmits the output signal of the at least one galvanomagnetic rotor position sensor to the electronic commutation device. A current supply in the form of an ac system or a three-phase system supplies current to the at least one galvanomagnetic rotor position sensor. An isolating transformer is interconnected between the at least one galvanomagnetic rotor position sensor and the current supply.

Abstract: A retractable grounding device for a spindle motor having a rotor shaft is provided. The retractable grounding device includes a grounding connector configured to connect the rotor shaft to ground and a position adjuster coupled to the grounding connector. The position adjuster moves the grounding connector between a first position where the grounding connector is in contact with the rotor shaft and a second position where the grounding connector is retracted from the rotor shaft. In addition, a method of selectively grounding a rotor shaft of a spindle motor is provided.

Abstract: This invention provides a planar acoustic converting apparatus including a support having a flat plate portion, a diaphragm which has an insulating base film having a liquid crystalline polymer film and being opposed to the flat plate portion of the support and at least one spiral coil provided on one major surface or both major surfaces of the insulating base film, at least one permanent magnet supported by the support and opposing a magnetic pole to the diaphragm, and a holding portion provided to the support and holding the diaphragm such that the diaphragm can vibrate and is positioned apart from the at least one permanent magnet.

Abstract: A combined externally pressurized gas and magnetic bearing assembly (3) includes an externally pressurized gas bearing (9) and a magnetic bearing (8) that are integrated together so as to have component parts common to both of the externally pressurized gas bearing (9) and the magnetic bearing (8). The externally pressurized gas bearing (9) or the magnetic bearing (8) may be disposed within an axial extent of the magnetic bearing (8) or the externally pressurized gas bearing (9), respectively. A spindle device (1) utilizing the combined externally pressurized gas and magnetic bearing assembly (3) is also provided which includes a housing (2) for supporting a main shaft (4) rotatably through the combined externally pressurized gas and magnetic bearing assembly (3). This combined externally pressurized gas and magnetic bearing assembly (3) can be applied not only to the radial bearing, but also to the axial bearing.

Abstract: A mounting assembly for an electric motor with deep drawn endshields includes a resilient outer ring and a split inner ring for gripping engagement with an outer surface of a bearing endshield. The gripping engagement is sufficient to hold the mounting assembly to the motor but insufficient to deform the endshields. The inner ring is distanced slightly from first and second ends of the mounting assembly to isolate and damp motor vibration and prevent vibration transmission to a mounting base.

Abstract: An outer yoke of a dynamo-electric machine is made from at least one piece of plate material that has at least one pair of tongue and groove. The tongue is formed at one end of the plate material, and the groove is formed at the other end of the plate material in opposing relationship to the tongue. The outer yoke is formed into a cylindrical shape by engaging the tongue with the groove while the plate material is rolled into the cylindrical shape. A rotor and the inner yoke constitute a dynamo-electric machine main body. The dynamo-electric machine main body is fitted within the outer yoke such that the outer yoke is expanded radially outwardly by the dynamo-electric machine main body to secure the outer yoke to the inner yoke in tightly contacting relationship therewith.

Abstract: A rotor for an electric motor includes a plurality of annularly disposed rotor magnets, a frame made of a steel plate and having an annular wall disposed outside the annularly disposed rotor magnets so as to be located at a side opposed to the stator with respect to the rotor magnets, the annular wall having an open end, a ring member made of a magnetic material and disposed along the annular wall of the frame at an inner or outer circumferential side of the annular wall, and a resin molded member comprising a resin for integrating the rotor magnets, the frame and the ring member together.

Abstract: Between a permanent magnet formed in a ring shape and a rotating shaft arranged at the center of the permanent magnet, a cushioning member made of rubber material is vulcanized and molded, and the permanent magnet and the rotating shaft are integrally coupled through the cushioning member, whereby vibration isolation, eccentricity and the like of a rotor are realized with a small number of components to manufacture an electric motor at low cost.

Abstract: An improved armature winding arrangement for a rotating electrical machine such as a specifically illustrated DC motor for driving a vehicle wheel. The assembly is such that the armature core can be formed from two laminated pieces that are rigidly connected to each other and held against axial movement. This eliminates the need for bonding adhesive. In addition, an improved bobbin arrangement is employed for both permitting attachment of a wiring plate directly to the core but also for retaining the ends of the individual windings to prevent them from becoming loose either during assembly or in operation.

Abstract: A motor is provided with a riser member having a base portion fixed to the surface of the commutator of a rotor, a first turned-back portion bent so as to hook the winding of the motor, and a second turned-back portion provided on the side opposite to the base portion with respect to the first turned-back portion. Thereby, a ring varistor can be supported by the second turned-back portion, and the mounting of the ring varistor can be effected easily.

Abstract: A stator lamination (20) for forming a stator assembly (82) of a permanent magnet motor (80) includes a yoke region (23) and a plurality of stator poles (22) spaced along and extending inwardly from the yoke region. The stator poles (22) are configured and arranged to define a slot (28) having a predetermined span (30) between the lateral end surfaces of adjacent stator poles. A plurality of teeth (24) are formed on the distal ends of each of the stator poles (22), and are separated from each other by a notch (26). The teeth (24) are equi-spaced and the number of notches (26) is an even number.

Abstract: A microelectromechanical (MEM) apparatus is disclosed which has a platform that can be elevated above a substrate and tilted at an arbitrary angle using a plurality of flexible members which support the platform and control its movement. Each flexible member is further controlled by one or more MEM actuators which act to bend the flexible member. The MEM actuators can be electrostatic comb actuators or vertical zip actuators, or a combination thereof. The MEM apparatus can include a mirror coating to form a programmable mirror for redirecting or switching one or more light beams for use in a projection display. The MEM apparatus with the mirror coating also has applications for switching light beams between optical fibers for use in a local area fiber optic network, or for use in fiber optic telecommunications or data communications systems.

Abstract: A piezoelectric oxide single crystal wafer, wherein number of particles adhering to a surface of the wafer and having a size of 1 &mgr;m or more is 85 or less per mm2. The piezoelectric oxide single crystal wafer consists of any one of lithium tantalate, lithium niobate, quartz crystal, lithium tetraborate and langasite, and suitably used for production of surface acoustic wave filters. The piezoelectric oxide single crystal wafer of the present invention enables fine electrode formation and device production with good yield.

Abstract: A clothes drying, dewrinkling and ironing cabinet which comprises a main enclosure (2) for housing clothes, access to said main enclosure (2) being by way of a front door (3), means (4) for drying and dewrinkling the clothes in said enclosure (2) and control means for regulating said means (4), said cabinet also having an ironing board unit (6). This ironing board unit (6) is a folding one and is mounted on the inside of the door (3).

Abstract: A composite workstation offers multiple compartments which are created by joining structural panels in perpendicular, parallel, and opposing horizontal configurations. Compartments may contain tools, and supplies that can rapidly be accessed for use or readily secured and protected, by a single user in a field or shop application. This embodiment uses individual panels, joined at intersections to form a composite self-supporting structure. The structure is configured to offer its top surfaces as a worktable. Equipment and supplies that are stored inside the compartments are engaged into useful position by means of leverage, pulleys, and mechanical advantage. The configuration of the structure enables dangerous and unwieldy equipment to be easily and safely used with proper off-feed surfaces and stable support in any location to which it is transported. The focus of this embodiment is towards woodworking. The compact scale of the structure enables conventional compact vehicles to make the invention mobile.

Abstract: A discharge lamp includes a luminous bulb in which a luminous material is enclosed and a pair of electrodes are opposed to each other in the luminous bulb; and a pair of sealing portions for sealing a pair of metal foils electrically connected to the pair of electrodes, respectively. The pair of metal foils have a pair of external leads on the side opposite to the side electrically connected to the pair of electrodes, respectively. At least one of the pair of external leads is joined to a lead wire for external connection that is to be electrically connected to an external circuit by the plastic flow of a caulking member.

Abstract: Shadow mask in a color cathode ray tube that can prevent formation of wrinkles on the shadow mask effectively occurred after welding, including an effective surface part having a plurality of slots formed therein for passing electron beams, and an edge part extended from the effective surface part and welded to a frame fitted to a panel in a cathode ray tube, wherein an interval of welding spots on the edge part is fixed according to a thickness of the shadow mask and a pitch of slots of the shadow mask.

Abstract: In a cathode ray tube, plural electron beams are directed towards a faceplate biased at screen potential and are magnetically scanned by a non-self-converging deflection yoke across the faceplate to impinge upon phosphors thereon to produce light depicting an image. The plural electron beams are substantially converged near two opposing edges of the faceplate. A processor changes the raster of the image from a first raster corresponding to position of the image to a second raster corresponding to the position of the plural electron beams on the faceplate. One or more electrodes between the tube neck and the faceplate are biased above and/or below screen potential to deflect electrons landing near the periphery of the faceplate.

Abstract: An organic luminescent element includes a substrate, an anode, a cathode, at least one organic material layer interposed between the anode and the cathode, and a sealing film containing a ferroelectric material provided on the anode or the cathode on the organic material layer. Preferably, the organic luminescent element further includes a counter electrode provided on the sealing film. Preferably, the substrate is transparent, and the anode is composed of indium tin oxide.

Abstract: A discharge lamp includes a luminous bulb in which a luminous material is enclosed and a pair of electrodes are opposed to each other in the luminous bulb; and a pair of sealing portions for sealing a pair of metal foils electrically connected to the pair of electrodes, respectively. Each of the pair of metal foils has an external lead on a side opposite to a side electrically connected to a corresponding electrode of the pair of electrodes. At least one of the pair of sealing portions is provided with a reflective film on a surface of the sealing portion in a portion where a connection portion of the external lead and the metal foil is sealed. The reflective film contains a material having a reflectance larger than that of a material constituting the sealing portion.

Abstract: The present invention relates to a method for marking quartz glass lamps having at least one fusible metal foil 10, 12, which is surrounded by quartz glass, for supplying electric voltage to luminous means 15 arranged in the interior chamber of a lamp vessel, in which method the fusible metal foil 10, 12 is marked through the quartz glass by means of a laser. The invention also relates to a quartz glass lamp having at least one fusible metal foil 10, 12 which is surrounded by quartz glass, for supplying electric voltage to luminous means 15 arranged in the interior chamber of a lamp vessel, in which lamp the fusible metal foil 10, 12 forms a marking area 16, the marking of the marking area 16 taking place through the quartz glass by means of a laser.

Abstract: An alternating current driven type plasma display device comprising a first panel and a second panel, said first panel having sustain electrodes formed on a first substrate and a dielectric material layer formed on the first substrate and the sustain electrodes, wherein the first panel and the second panel are bonded to each other in their circumferential portions, characterized in that the dielectric material layer has a thickness of 1.5×10−5 m or less.

Abstract: A display has a cathode 1 and an anode 2. These are in plate form and held spaced apart by a peripheral frame 3, to which they are both sealed. The cathode has an emission layer 11 deposited on a front ceramic layer 12 with vias 14 to the emission layer. The foundation layer is fired, ground flat and has via apertures cut through it and filled 17 prior to lamination of the front layer. Onto the back face of the substrate, preferably prior to deposition of the emission layer, is spun on a dielectric layer 21, which is developed with the aid of a temporary mask (not shown) to provide etchable tracks. These are etched to leave grooves 22 corresponding to metallic interconnections 23 from the foundation layer vias 17 to vias 24 in the next dielectric layer 25, typically thicker than the previous one 21. The metallic interconnections 23 are formed by screen printing and firing.

Abstract: A method is provided for driving a motor apparatus having a first motor, a second motor, and a motor power supply commonly used for the first motor and the second motor. The first motor is a brushless motor. An electrical power is supplied from the motor power supply to driving circuits of the first motor and the second motor through a common motor power supply line. The first motor is driven by a direct PWM driving method, and the second motor is driven by a method different from the direct PWM driving method. A reverse regeneration current generated in the first motor is flown to the second motor through the common motor power supply line.

Abstract: A motor system including a gate drive for driving a motor. An inverter bridge circuit selectively connects power supply link rails to a winding of the motor for energizing the winding with a motoring current. The bridge circuit has upper and lower power switches connected between the winding and the upper and lower power supply link rails, respectively. Each lower switch corresponds to one of the upper switches on the same side of the winding as the lower switch to define an arm of the bridge circuit. A control circuit generates a motor control signal to control the switches. A drive circuit drives the upper switches in response to the state of the corresponding lower switches, which are responsive to the motor control signal. The drive circuit includes a voltage gain element connected to each arm of the bridge circuit that is responsive to current in the respective lower switch for maintaining the corresponding upper switch in its nonconducting state.

Abstract: An electronically commutated motor assembly permits a user to select discrete operating speed options to operate an electronically commutated motor. The assembly includes a motor, an input/output unit electrically connected to the motor, a connector and board and a microprocessor. The connector and board includes an electrically erasable programmable read-only memory (EEPROM), a plurality of low voltage signal connections for programming the EEPROM, and a plurality of speed signal connections for selecting an operating speed for the electronically commutated motor. The low voltage signal connections permit the EEPROM to be programmed with speed tables containing schedules of operating speeds.