Abstract: A distributed generation system is connected to an AC power line that provides AC electrical power from a source to a load. The distributed generation system includes a DC electrical power source, a capacitor for storing DC electrical power, a converter for converting electrical power stored in the DC electrical power source at a first voltage to a second, greater voltage for storage in the capacitor. The system includes an inverter for inverting the electrical power stored in the capacitor at the second voltage into AC electrical power having a peak voltage less than the second voltage. A controller is provided and operative for controlling the operation of the converter and the inverter to deliver electrical power stored in the DC electrical power source to the capacitor for delivery as AC electrical power to the AC power line.

Abstract: A method of controlling a multiple battery system in a vehicle electrical system is provided. The method steps include polling an at least one sensor in the multiple battery system monitoring the multiple battery system for an at least one reading and detecting an abnormal reading from said at least one sensor. And then communicating the results of said detection step to an operator or a Network Operations Center switching, upon a command from the operator, the Network Operations Center or a controller switching an at least one switch from a first of an at least two operating positions engaging a main battery to a second of an at least two operating positions engaging an at least one auxiliary battery. The system then confirms the operation of the vehicle electrical system and engages either the main battery or the auxiliary battery, but not both, to operate the vehicle electrical system.

Abstract: A method and an apparatus, to provide controlled and regulated power supply to a power distribution board of a power conditioning unit (PCU), are disclosed. A line conditioner unit of the power conditioning unit may receive AC power supply from a mains input power panel and may generate regulated and controlled AC power output. The output power supply may be conveyed separately to a power distribution board. The power distribution board may supply the power separately to the equipments, operated on AC power and DC power, respectively.

Abstract: A pulsed power supply includes a DC power source, and a transformer and a switch which are connected in series with each other across the DC power source. The pulsed power supply operates to produce a plurality of high-voltage pulses in a repetition of cycles in each of which an induced energy is stored in the transformer when the switch is turned on and a high-voltage pulse is generated across a secondary winding of the transformer when the switch is turned off. The current flowing through the primary winding of the transformer is controlled to keep its peak value constant. The pulsed power supply further includes a current detector for detecting the current flowing through the primary winding of the transformer, and a third circuit for turning off the switch when the current detected by the current detector reaches the peak value.

Abstract: A method and system for the generation of high voltage, pulsed, periodic dielectric barrier or corona discharges is capable of being used in the presence of conductive liquid droplets and over contaminated or uneven surfaces. The method and system can be used, for example, in different devices for cleaning of gaseous or liquid media or for surface sterilization using pulsed dielectric barrier or corona discharge. The pulsed power generator includes a storage capacitor a high voltage switch operably connected to said storage capacitor, and a charger of the storage capacitor which generates charging pulses until a spark gap breakdown occurs which gives a feedback signal to stop further charging until the beginning of the next charging cycle.

Abstract: An initial circuit is provided. The initial circuit receives a plurality of input signals and controls an initial status of a switching circuit with a plurality of switches. The initial circuit includes a judgment circuit for generating an enable signal according to one of the input signals, and a control circuit for generating a plurality of control signals according to the enable signal and the input signals. The switches are turned off by the control circuit according to the control signals when the switching circuit is in an initial status, and the switches are controlled by the control circuit according to the control signals when the switching circuit is in an operating status.

Abstract: Some embodiments of the present disclosure provide a rotor of an electric brushless motor configured to be light weight and prevent vibrations generated during an operation of the motor to be transferred to the shaft of the rotor. The rotor includes a shaft elongated in a rotational axis, a single body magnet comprising alternately magnetized portions, and a vibration absorption portion interposed between the shaft and single body magnet. The vibration absorption portion absorbs vibrations generated during the operation of the motor and can include an elastic or a non-elastic material. The rotor further includes a non-elastic portion inhibiting the expansion of the vibration absorption portion when the vibration portion is elastic.

Abstract: The present invention relates to an electric motor (1) for driving an inertia separator (26), comprising a stator (3), which is arranged in a stator housing (2), and a rotor (4), which is arranged concentrically with respect to the stator (3) and is drive-connected to a rotor (27) of the inertia separator (26). In order to be able to seal off the electric motor (1) more easily, a housing bottom (9) extends with a non-magnetic section (10) through an annular gap (8), which is formed radially between the rotor (4) and the stator (3), such that it separates a stator space (11), which accommodates the stator (3) and is in the interior of the stator housing (2), from a rotor space (12), which accommodates the rotor (4) and is open towards a rotor space (29) accommodating the rotor (27) of the inertia separator (26).

Abstract: To provide a cordless power tool which can suppress heat generation of a protection unit and prevent the erroneous operation. A cordless power tool 1 includes a body casing 10; a battery 20 which is detachably attached to the body casing 10 and can supply electric power; a motor 30 which is housed in the body casing 10, and generates rotation force by the electric power of the battery 20; a cooling fan 40 which rotates by the rotation force of the motor 30; and a protection unit 50 which shuts off the power supply to the motor 30, in accordance with a detection result of the state of the battery 20, so that the battery 20 does not enter an overdischarge state or an overcurrent state. Herein, a passage of cool air generated by the cooling fan 40 is formed in the body casing 10, and the 16 protection unit 50 is arranged so that at least its part is located in the passage of the cool air.

Abstract: A brushless alternating current generator for vehicles comprises a stator, rotor, field winding, rectifier, housing, cover, and extension member. The rectifier has plural rectifying elements to rectify a voltage from the stator winding and output the rectified voltage and a radiating fin to which the rectifying elements are attached. The housing has a side wall and houses both the stator and the rotor and has an end face to which electric parts including the rectifier are attached. The side wall Is along the axial direction. The end face is along the radial direction. Both the side wall and the radiating fin are mutually adjacent to provide a gap in the radial direction. The cover encloses the end face of the housing and has plural air inlets that takes in cooling air. The extension member is secured to the cover and extends into the gap in the axial direction.

Abstract: A printed circuit board includes a connection portion connectable to a control unit for driving a brushless motor; position detection element connection wiring lines respectively extending from a plurality of installation places of position detection elements to the connection portion, the position detection elements detecting a magnetic pole position of a rotor magnet of the brushless motor; a wiring line switching portion for switching over a connection state between a specific one of the position detection element connection wiring lines and another wiring line; and a neutral point connection wiring line extending from a neutral point to the wiring line switching portion, the brushless motor having a plurality of coils connected at one end to the neutral point. The specific one of the position detection element connection wiring lines are connectable to the neutral point connection wiring line by means of a conductor in the wiring line switching portion.

Abstract: Electric power is stored in a flywheel assembly, from a dc power buss, and supplied to the buss, through electronics associated with a motor/generator, its rotor integral with a flywheel supported by magnetic bearings. Upon operation, the flywheel assembly is released by mechanical backup bearings which then normally remain disengaged until shutdown as the flywheel assembly is levitated by the axial magnetic field. Enhancements developed herein smooth the flux density across discontinuities or segments present in permanent magnets due to presently limited capability for manufacture of large annular magnetic members. Herein, the introduction of a medium such as a steel cylindrical member to directly interface with the rotor as opposed to the segmented permanent magnet, greatly eradicates induced eddy current and heat on the rotor. In addition, exhibited is an annularly slotted rotor which allows for greater surface area for flux absorption.

Abstract: A gear integrated generator for a wind turbine having a tower, a nacelle, and a hub is described. The gear integrated generator includes: a stator supporting frame having a stator supporting portion, a radially extending portion and a rotor frame supporting portion, wherein the stator supporting frame is stationarily mountable within the nacelle. A rotor frame is rotatably supported on the rotor frame supporting portion of the stator supporting frame. The rotor frame is connected to the hub and a gear, that is driven by the rotor frame. The gear includes a ring gear stationarily mounted to the stator support frame, a carrier gear assembly, and a ring-shaped sun gear. The gear integrated generator further includes: a rotor generator ring support frame rotatably supported and radially positioned outward of the rotor frame supporting portion of the stator supporting frame.

Abstract: An apparatus includes a first motor and a second motor. The first motor includes a first rotor configured to provide mechanical power to a vehicle, and a first plurality of stator coils having a core and coupled to the first rotor. The second motor includes a second rotor configured to provide mechanical power to the vehicle, and a second plurality of stator coils sharing the same core as the first plurality of stator coils and coupled to the second rotor.

Abstract: A PM stepping motor includes: a stator assembly composed of two stator units which are axially coupled to each other with a molding resin material, and each of which includes: inner and outer yokes each having a plurality of pole teeth; a bobbin including inner and outer flanges; and a coil wound around the bobbin, thus providing two such inner yokes, outer yokes, bobbins and coils in total; a rotor assembly which includes a shaft and a magnet, and which is rotatably disposed in the hollow of the stator assembly; and two bearings to rotatably support the shaft of the rotor assembly, wherein the two bobbins are formed of the molding resin material to be consolidated with the two inner yokes, and wherein a plurality of protrusions are formed of the molding resin material to extend integrally from the outer flange of each of the two bobbins.

Abstract: Stator claw poles are disposed at a stator core at a position facing opposite a rotor so as to alternately range from the two sides along the axial direction. With a plurality of magnetic poles thus formed, the distance by which the gap between the front end portions of the stator claw poles and the stator outer circumference ranges is increased, which, in turn, reduces the reactance guided to a stator coil. It is ensured that the magnetic reluctance manifesting between the front end portions of the stator claw poles and an enclosing member that holds the stator core, facing opposite the centers of the claw poles along the circumferential direction, is greater than the magnetic reluctance manifesting between the front portions and the stator core enclosing member facing opposite the front end portions.

Abstract: A dynamoelectric machine includes: a permanent magnet holding portion that is disposed integrally so as to project from the yoke portion on a portion of the pair of yoke portions that faces an inner circumferential surface near a tip end of the plurality of claw-shaped magnetic pole portions; an arc-shaped magnet holding aperture that has a C-shaped cross section that is formed in each of the permanent magnet holding portions so as to have an aperture center that is oriented axially, in which at least one axial end is open, and that opens radially outward; a magnet holding member that is made of a nonmagnetic material that is fitted into and held by the magnet holding aperture; and a permanent magnet that is held by the magnet holding member so as to face the inner circumferential surface near the tip end of the claw-shaped magnetic pole portions, that is prepared into a prismatic body that has a quadrilateral cross section perpendicular to an axial direction, and that is magnetically oriented in a reverse di

Abstract: An alternator for vehicle includes a stator that outputs an AC voltage and a rotor that includes a field coil and a rotor core. The stator includes a plurality of phase stators that are disposed side-by-side along the rotational axis and individually output AC voltages. The phase stators include an even number of stator tabs alternately extending from one outer side of a phase stator coil toward another outer side of the phase stator coil and extending from the other outer side toward the one outer side along the rotational axis. The rotor includes a field coil and a rotor core at which an even number of rotor tabs are formed along the circumferential direction so as to alternately extend from one outer side of the field coil toward another outer side of the field coil along the rotational axis and extend from the other outer side toward the one outer side along the rotational axis. A phase stator core at each phase stator is formed by laminating a plurality of magnetic sheets.

Abstract: Disclosed is a stator core for a generator and a motor comprising a frame formed in a shape of a straight plate; and a plurality of coil winding portions spacedly formed in one side of the frame and projected from the one side thereof. The stator core forms a stator by bending the frame in a round shape so as to position the coil winding portions in an inner side of the frame, laminating the frame, and winding coils around the coil winding portions. Wherein projections are spacedly formed in the portions corresponding to the coil winding portions in the other side of the frame, and the projections compensates height differences generated on an outer wheel of the frame due to a plastic deformation that portions corresponding to grooves between the coil winding portions in the other side of the frame are projected when bending the frame in a round shape, thereby to maintain evenly a surface of the outer wheel of the frame.

Abstract: The invention relates to a permanently excited synchronous machine (51) comprising a stator (53) and a rotor (55). Preferably, the stator (53) comprises a three-phase current winding and the rotor (55) comprises permanent magnets. The stator (53) comprises 42 slots (27) and 42 teeth (29). Each second tooth (29) is wound with a coil (39). The rotor (55) comprises 26 magnetic poles. The permanently excited synchronous machine can be configured in such a way that the useful pole pair is a prime number.

Abstract: A rotating electric machine includes a stator core of a cylindrical shape, a rotor core coaxially rotating inside the stator core, and a plurality of coils each formed by winding magnet wires using a slot formed axially in either the stator core or the rotor core, or both: it is preferable that each of the coils be split into a plurality of coil groups, that starting sections of winding of the magnet wires in one of the coil groups be wound adjacently to ending sections of winding of the magnet wires in another of the coil groups, and that the starting sections and ending sections of winding of the magnet wires in the two coil groups be connected at respective outgoing wire ends to one another, outside the slots.

Abstract: The invention provides means of limiting maximum current conducted through windings of an electric machine having a rotor and a stator. By encouraging an appropriate leakage flux around a winding, a leak impedance can be achieved which may be used, according to the invention, to limit the maximum current in the winding as a matter of machine design.

Abstract: A synchronous machine has a stator in which grooves are provided at the inner or outer periphery in mutually spaced relationship to receive a stator winding. The synchronous machine may be in the form of a ring generator used in a wind power installation, for example. In order to provide a stator having a winding, in which the susceptibility to trouble as a consequence of the high loading on the generator is substantially reduced, the stator winding is wound without interruption continuously throughout.

Abstract: Disclosed are foil coil structures and methods for winding the same for stators in electrodynamic machines, as well as electrodynamic machines that implement such coil structures. In one embodiment, a foil coil structure is configured for implementation with a field pole member having pole faces that confront, for example, conical magnets.

Abstract: A wind power generation system 10 comprising a frame, an impeller 12 rotatably supported by the frame, plural permanent magnets 31 aligned at equal intervals from the rotation center, and coils 32 aligned annularly on the frame. The relative motion of the permanent magnets 31 and the coils 32 in close vicinity generates electric powers by the inverse action of a linear motor. The coils 32 are mounted on the ring provided on the frame, and the permanent magnets 31 are provided on the lower end of the longitudinal blades 26 of the impeller.

Abstract: There is provided a stator in which a plurality of divided stators are annularly combined with each other, and each divided stator includes: a divided lamination iron core having teeth portion and a yoke portion, and constructed by laminating electromagnetic steel sheets divided by the teeth unit; insulating bodies provided at the divided lamination iron core; and concentrated winding wound around the divided lamination iron core through the insulating body. In this case, the divided lamination iron core is held by the insulating bodies and the concentrated winding.

Abstract: Electric motor, as well as a brush mount component (34) for positioning of carbon brushes with respect to a commutator (30) of an electric motor (12), having at least one attachment means (55) for fixing the brush mount component (34) on a printed circuit board (28), with an earth contact plate (70) being mounted on the brush mount component (34) and being designed symmetrically with respect to the arrangement of the carbon brushes (32). A method for production of an electric motor such as this is also described.

Abstract: A brush assembly may include a support member, a conductive arm having a first end portion and a second end portion, where the first end portion is coupled to the support member, a brush coupled to the second end portion of the conductive arm, and a biasing member configured to apply a force to the conductive arm.

Abstract: The invention concerns a group of laminations (100), advantageously but not exclusively for making a ferromagnetic core, which comprises two or more laminations, one or more polar expansions (P1, P2, P3, P4) and a connecting element (5, 5a, 5b, 5c) belonging to one of the laminations (4, 4a, 4b, 4c, 6, 6a, 6b, 6c) having one end (7, 7c) suitably folded and counteracting another of the laminations to keep the laminations together. The invention also concerns a process and a die for making said group, as well as a respective electric machine.

Abstract: An electrical rotating machine rotor, in particular for a motor vehicle, comprising a central shaft, an annular core coaxial with the shaft and two polar wheels which are axially arranged on either side of the core, of the type wherein the shaft includes at least one drive section which is axially force-fitted into a fixing bore of at least one component of the rotor so as to secure in rotation at least one of the two polar wheels of the rotor to the shaft, an intermediate sleeve being radially interposed between each polar wheel and the central shaft, and on which sleeve is mounted said polar wheel. The invention also concerns a method for making such a rotor.

Abstract: A rotor core assembly for an electric motor includes a stack of laminations and first and second end plates disposed at opposite ends of the stack of laminations. A plurality of concentric fastener holes extend through the laminations and the end plates for receiving stainless steel pins. Each pin has a head against one of the end plates, and each pin has spaced apart grooves thereon extending from the other end plate. A stainless steel collar engages each of the pins and contacts one of the end plates. Each collar has a deformed portion in at least one of the grooves of the pin.

Abstract: A rotor for an automotive alternator includes a rotary shaft, first and second magnetic pole cores each having a plurality of magnetic pole claws, a bobbin, a field coil, a plurality of permanent magnets, and a positioning mechanism. The magnetic pole claws of the first magnetic pole core are interleaved with those of the second magnetic pole core. The field coil is wound around the first and second magnetic pole cores via the bobbin. The permanent magnets are interposed between the first and second magnetic pole cores. The positioning mechanism, which is made up of at least one of the rotary shaft, the first and second magnetic pole cores, and the bobbin, functions to position the first and second magnetic pole cores in the circumferential direction of the rotary shaft with intervals between adjacent pairs of the magnetic pole claws of the first and second magnetic pole cores being even.

Abstract: A method for producing a piezoelectric actuator has the following steps: providing a plurality of piezoelectric material layers (2) which can be assembled into a stack; applying electrode layers (3) each having a recess (4, 4?) to the plurality of piezoelectric material layers, such that an alternating sequence of piezoelectric material layers and electrode layers is formed in the stack, wherein electrode layers with a recess (4) in a first recess zone and electrode layers with a recess (4?) in a second recess zone which differs from the first recess zone are alternatingly formed in the stack; and providing a stress-relieving material (5) in the first and second recesses, the stress-relieving material exhibiting electrically insulating properties after the stack is sintered, and preventing the individual material layers from adhering to one another.

Abstract: A sensing system includes an acoustic wave device comprising a body of piezoelectric material, and a first electrode assembly mounted on the piezoelectric body whereby an appropriate input applied to the electrode assembly produces an acoustic wave in the piezoelectric body and a first frequency response. The acoustic wave device also has a second electrode assembly to produce a second frequency response, the second electrode assembly being in contact with an area sensitive to a supplied stimulus to cause a characteristic of the sensitive area to change when a supplied stimulus is sensed to thereby change the second frequency response. The acoustic wave device has an output connected to the input of an amplifier, the amplifier having an output connected to the input of a coupling device. The coupling device is connected to the input of the acoustic wave device and has an output connected to a detector.

Abstract: An actuator for a fuel injector is disclosed. The actuator has a piezo element, a casing, and at least one end plate. The casing is fabricated through a deep draw process, has bellows, and is configured to house the piezo element. The at least one end plate is hermetically connected to an end portion of the casing.

Abstract: A tubular piezoelectric transducer comprising a tube of piezoelectric material and having a plurality of external electrodes for inducing in a first end of the tube at least one movement of a plurality of possible movements; at least two spokes attached to and extending radially inwardly of the tube for movement with the first end; a hub at an inner end of the at least two spokes and being located on the longitudinal axis of the tube, the hub being attached to the at least two spokes for movement therewith; the hub being for receiving therein a probe for movement of the probe with the hub. A phaco-probe incorporating the transducer is also disclosed.

Abstract: There is provided a driving device 1 in which an electromechanical transducer is used and which has a high drive efficiency, having an electromechanical transducer 4 that is extended and contracted by application thereto of voltages, a drive shaft 6 having one end fixed by adhesive 5 to the electromechanical transducer 4, and a movable member 7 that is frictionally engaged on the driving shaft 6, an expression 8?E/t?0.48 where t (?m) is a thickness of the adhesive and E (GPa) is a modulus of longitudinal elasticity of the adhesive is satisfied by mixing into the adhesive 3, 5 particulates 10 that have diameters not smaller than 1 ?m and not larger than 5 ?m.

Abstract: A non-linear power generator system that may include a flexible beam for receiving a mechanical input, the flexible beam being supported in a bowed configuration; an electrically responsive member supported adjacent one end of the flexible beam so as to be under a compressive force exerted by the flexible beam; and the flexible beam being adapted to move towards a flattened shape from the bowed shape in response to the mechanical input, to transmit the mechanical input to the electrically responsive member, to cause a compression of the electrically responsive member that results in an electrical output signal being generated by the electrically responsive member.

Abstract: A multi-dimensional transducer array is provided. The multi-dimensional transducer array includes a plurality of elements. First and second kerfs acoustically separate the elements. A first width of the first kerf is larger than a second width of the second kerf.

Abstract: A curved two-dimensional array transducer includes a layer of piezoelectric material overlaying a layer of ASICs which is attached to a backing wing. The piezoelectric material is diced in orthogonal azimuth and elevation directions to form a two-dimensional array of transducer elements, with the dicing cuts in the elevation direction extending through the ASIC layer so that the piezoelectric layer and the ASIC layer can be bent in the azimuth direction. The backing wing provides a flexible substrate which can be bent while supporting the ASIC layer and piezoelectric elements. In a second example the piezoelectric layer and ASIC layer are attached to opposite sides of flex circuit which provides the flexible substrate after the piezoelectric layer and ASIC layer are diced.

Abstract: A force generator is configured for attachment to a structure in order to controllably introduce vibrational forces into the structure in order to influence the vibration thereof. The force generator encompasses a flexural arm that is fastenable at least at one end to the structure; and an inertial mass that is coupled to the flexural arm remotely from the fastening end of the flexural arm; the flexural arm being equipped with at least one electromagnetic transducer, and a driving system being provided for the transducer, which system is set up such that by driving the transducer, it warps the flexural arm with the inertial mass and the transducer, and thereby displaces the inertial mass, in such a way that vibrational forces of variable amplitude, phase, and frequency are introducible into the structure.

Abstract: The invention relates to a receiving sleeve (1) for an actuator body, in particular for holding a piezoelectric stack of a piezoelectric actuator that is used to drive an injector of an injection system for an internal combustion engine. According to the invention, the sleeve is equipped with at least one spring element (10, 11) for centering the actuator body in said receiving sleeve (1) and/or for compensating component tolerances of the actuator body.

Abstract: A piezoelectric resonator includes a piezoelectric resonator element having a resonating arm and a metal film that is formed on the resonating arm; a package including a bottom part on which the piezoelectric resonator element is fixed and a frame wall that surrounds the bottom part, and having an opening above the bottom part; and a lid including a frame in which a through hole is provided and an optically transparent part that has an upper face and a lower face of the frame and is disposed at the through hole, the through hole penetrating a front face and a back face, the lower face of the optically transparent part being disposed so as to oppose the metal film, and the lid closing the opening of the package such that the lid overlaps with the bottom part and the frame wall, the through hole having a curved inner wall face whose curved face is coupled with at least one of the front face and the back face at least one opening edge of the front face and the back face and a vertical inner wall face that is pro

Abstract: An actuator. In one embodiment, the actuator comprises a reversible electric motor having a stator having a housing, a rotor housed in the housing of the stator, and a shaft having a forward portion and a rearward portion extending oppositely and coaxially from the rotor, respectively; a fan member coaxially attached to the forward portion or the rearward portion of the motor shaft such that the fan member is operable simultaneously with the rotor of the reversible electric motor; and an electromagnetic brake movable between a first position and a second position, positioned in relation to the fan member such that when the electromagnetic brake is in the first position, the fan member is rotatable with the rotor of the reversible electric motor, and when the electromagnetic brake is in the second position, the fan member stops rotating firmly, thereby causing the motor stops instantly.

Abstract: An electric actuator comprised of an electric motor and a wave gear speed reducer connected to the electric motor efficiently air-cools the electric motor and a wave generator of the speed reducer and obviates the need for increasing the axial length of the actuator. The wave generator has a plurality of holes penetrating in the axial direction, the holes being arranged with intervals provided in the circumferential direction. A partitioning portion between the holes constitutes a vane portion which blows air in the axial direction. An internal space wherein a coil of the electric motor is disposed is in communication with an internal space of the speed reducer, and the vane portion blows air into the internal space of the electric motor. An air cooling passage is formed in a stator of the electric motor such that air flows into the air cooling passage when the vane portion blows air.

Abstract: A high speed aircraft generator utilizes a resistor bobbin to constrain field leads from radial displacement during operation of the generator. The resistor bobbin is provided with passages through which the field leads are passed. The passages are parallel to an axis of the generator. The resistor bobbin thus serves two purposes in the generator; its normal function of supporting a resistor coil and a second function of constraining field leads. The field leads have a round cross-sectional configuration. The field leads are attached to flat conductors of a field coil with a unique brazing clip.

Abstract: A flexible and stretchable mounting device for a fan or the like which has a shaft, a series of enlarged undulations axially arranged at one end of the shaft, and a head at one end of the shaft, the mounting device being adapted when stretched for insertion into aligned apertures on a chassis and a frame and relaxed to permit a selected undulation to hold the frame in spaced relation to the chassis. The device also includes a break away grip secured to the head for guiding the device into the apertures when stretched and which can be severed from the head when the device is arranged mounted on the chassis and frame.

Abstract: The present invention is an electrically operated lifting cover device for a host computer, in which a contact switch is installed at a side of a power switch of a case of a host computer. The contact switch is connected to a gear box located on an inner side of the case, and a user touching the contact switch actuates a first connecting rod of a lifting cover by electrical means, which connectively upwardly turns a second connecting rod, thereby enabling raising the lifting cover to the top position of the case.

Abstract: A modular apparatus for supporting a monitor is provided. First and second pairs of substantially vertically oriented and opposed columns are spaced a lateral distance apart. A support member is arranged between and coupled to the first and second pairs of columns. The support member is adapted to support a monitor at a viewing angle. The height and angle of the support member, and thus the monitor, can be easily adjusted via slot and tab connections between the support member and columns and/or by adjusting the lateral distance between the respective pairs of columns.

Abstract: An office organization system comprises a plurality of units, each unit including a first, vertically-oriented frame which forms a closed loop, and a second, vertically-oriented frame which is spaced from and congruent with the first frame. Secured to each of the first and second frames is at least one utility member.