Abstract: A method for producing a fan wheel (1), in particular for a motor vehicle, which is produced by injection molding of a plastic provided with glass fibers, the casting compound being cast in via a ring or cone gate. Also disclosed is a fan wheel (1) produced by this method.

Abstract: The present invention is a radial fan having an axial fan blade configuration. The present invention comprises a hub; a first set of blades around the hub; and a second set of blades on the extending part. Therein, the hub comprises a hollow at the center, an axle, a guiding part and an extending part. The gaps are each between every two adjacent blades of the second blade set, having the same distance between every two adjacent gaps. The second set of blades comprises a plurality of blades around outside of the first set of blade and a ring connected with the blades. Accordingly, the structure of the blades may increase the wind pressure, reduce the energy loss by the blade rotation and raise the work efficiency of the blades while the noise is lessened and the working current is lowered.

Abstract: This device for mounting a propeller blade in a hub, of the type in which a blade base is mounted in rotation in a hub housing by means of at least two bearings and where a preloading device permitting axially preloading the two bearings comprises a holding ring mounted between one of the two bearings and hub so as to allow an axial displacement of ring relative to hub, in that holding ring is mounted rotatingly between bearing and hub by means of rolling elements and helical tracks arranged to drive an axial displacement of ring during rotation of this ring, means being provided to cause ring to rotate according to a predefined law.

Abstract: The invention relates to a rotor end piece (1) for rotors (2) of thermal turbomachines with a circumferential slot (3), consisting of two end piece halves (4, 4?) having side faces (5, 5?) opposite one another in the installed state and of a wedge (6) which is pushed in between them and which, in the installed state, is anchored in the side faces (5, 5?) of the end piece halves (4, 4?) in a form-fitting manner, the rotor end piece (1) being arranged in the axial direction of the rotor (2) between two moving blades (7, 7?). It is characterized in that each of the end piece halves (4, 4?) is fastened in the axial direction of the rotor (2) to the two adjacent moving blades (7, 7?) by means of one interlocking connection (8, 8?, 9, 9?) each. These four interlocking connections (8, 8?, 9, 9?), instead of the rotor (2), now absorb the axial forces which are caused by the centrifugal force and the caulked wedge (6). In this way, disturbing rotor vibrations are advantageously avoided.

Abstract: The automatic transmission for motor vehicles includes a positive displacement pump, a sump hydraulically connected by a passage to the pump inlet, a line pressure control valve having a high pressure outlet, a passage carrying fluid from the control valve through a nozzle and an nozzle exit opening to the passage that connects the sump to the pump inlet. The high pressure passage has a cross section whose area decreases in the direction toward the pump inlet and terminates in a nozzle through which a high speed jet enters the low pressure passage through the nozzle exit opening.

Abstract: An axial flow type cooling fan, comprising an upper casing, a lower casing, a rotor assembly, and a driving unit. The lower casing and the upper casing enclose an inner space. The rotor assembly is housed in the inner space and performs a rotational movement. The rotor assembly further comprises a plurality of blades, attached to a central shaft and having a peripheral ring, from which a peripheral rim extends outward. The driving unit has electric coils on the upper or lower casings and permanent magnets on the peripheral rim, causing the rotational movement of said rotor assembly. By the arrangement of these structural parts, an increased area of air flow and consequently increased air flow are attained, while drag and noise are reduced.

Abstract: A variable capacity rotary compressor with upper and lower compression chambers having different capacities, the upper and lower compression chambers being partitioned from each other, and a rotary shaft extending through the upper and lower compression chambers. The rotary shaft includes a fixing hole and a latch pin which includes a head part is fixed to the rotary shaft through the fixing hole. The head part of the latch pin can be forcibly fit into a forcible fitting hole of the fixing hole. The head part is spaced apart from the inner circumference of the forcible fitting hole in the axial direction of the rotary shaft when the head part is forcibly fitted in the forcible fitting hole, so that a forcible fitting force is not applied in the axial direction of the rotary shaft.

Abstract: Electrochemical machining is used to generate the helical lobe profiles of the stator of a progressive cavity pump or motor. A thin, elastomeric liner, of uniform thickness is bonded either to the interior of the stator, or to the exterior of the rotor. Where the elastomeric liner is to be bonded to the interior of the stator, bonding is improved by electrically etching the interior of the stator during the electrochemical machining process to produce a roughened surface.

Abstract: In a scroll fluid machine, an orbiting scroll is eccentrically revolved with respect to a stationary scroll so that fluid in a sealed chamber between the stationary and orbiting scrolls may be compressed toward a center. A first magnet is mounted on the stationary scroll and a second magnet is mounted on the orbiting scroll so that the same poles of the first and second scrolls may be opposite to each other thereby preventing the orbiting scroll from pressing the stationary scroll excessively.

Abstract: A twin-shaft vacuum pump includes two shafts and two rotors supported on respective shafts and cooperating with each other for producing a pumping effect, with each rotor being formed of a plurality of discoid components.

Abstract: The pump is provided with a housing 31, a rotor 40, and a separating member 50. Rotor 40 and separating member 50 are rotated within housing 40. Separating member 50 separates the cavity of housing 31 into a divided space 77a, a divided space 7b and a divided space 77c. A curved face 42 having a larger radius of curvature than rotor 40 is formed in a limited circumferential angular region at an outer peripheral surface of rotor 40. A space 43 is maintained between the curved face 42 and housing 31 even when the curved face 42 is closest to the inner face of housing 31. The space 43 forms a passage between an inlet port and an outlet port. When rotor 40 is rotated, there is a smaller degree of change in the resistance in the passage 43, and rotor 40 rotates smoothly.

Abstract: The invention relates to a hydraulic motor having an outer casing and eccentric means for rotating a power shaft by means of fluid through a pressure chamber arrangement. The eccentric means comprise an eccentric part formed in the power shaft, a first eccentric ring between the outer casing and an inner casing, and a second eccentric ring mounted with bearings around the eccentric part and connected fixedly and concentrically to the first eccentric ring, whereby the pressure chamber arrangement is located between the first eccentric ring and the inner casing so that the first eccentric ring drives the power shaft through the second eccentric ring, and the eccentric rings form a substantially non-rotating entity that only performs an eccentric movement and by means of this eccentric movement rotates the power shaft.

Abstract: An in-mold foam molding equipment, includes at least a movable partition member for dividing a molding space formed by a pair of molds into divided spaces, wherein the partition member is composed of a plurality of divisional partition members, wherein each of the divisional partition members individually has a retreat positioning protrusion and a insert positioning protrusion, and the divisional partition members are installed in a slider, wherein the slider is configured to move between the retreat positioning protrusions and the insert positioning protrusions, and the divisional partition members are configured to be movable in cooperation with the motion of the slider moving by contacting with the retreat positioning protrusions or the insert positioning protrusions, so that the divisional partition members divide the molding space into divided spaces, and therefore an integral molded article suppressed in occurrence of large protrusions and deep holes can be manufactured.

Abstract: A molding apparatus for forming a sheet-form fastener product includes a mold roll that is rotatable about an axis of rotation and has a circumferential surface defining a plurality of apertures that extend inwardly from the circumferential surface. Multiple inserts having first and second ends are retained within corresponding apertures of the mold roll such that the first end of each insert is directed toward the circumferential surface of the mold roll. The inserts have surfaces that at least partially define blind molding cavities shaped to mold, from molten resin forced into the molding cavities from the circumferential surface of the mold roll, an array of fastener elements having overhanging heads for releasable engagement with a mating fastener product.

Abstract: A cookie press includes a helically-threaded rod that advances forward as it is being rotated about its axis by a gear. As a result, a plunger is advanced and pushes dough down a barrel and squeezes the dough through an aperture at the end of the barrel.

Abstract: An injection molding apparatus includes an injection piston that is slidable within a nozzle having a movable valve gate pin. The injection piston is movable from a retracted position to an extended position in order to force melt towards a mold cavity. A valve is located at a forward end of the piston to selectively block communication between a recess, which is provided in an outer wall of the piston adjacent the valve, and a melt chamber of the nozzle. Movement of the injection piston from the retracted position to the extended position causes the valve to close so that the predetermined volume of melt located below the valve is forced into the mold cavity, when the valve gate pin opens the mold gate.

Abstract: A device for the injection moulding of moulded bodies made from plastic is disclosed, comprising an injection moulding unit (1) and a tool (2) dedicated thereto. At least two cavities (11, 12), corresponding to the dimensions of the moulded body for production are provided on the tool (2) and the tool comprises at least three pieces (4, 5, 6), which move relative to each other and which lie adjacent to each other on separating planes (9, 10). Each separating plane (9, 10) runs through at least one cavity (11, 12). At least one channel (13) for the introduction of molten plastic is provided in the tool (2), which terminates at one end in the cavities (11, 12) and at the other end thereof at an inlet (14) on the surface of the tool (2), which is connected to the injection moulding unit (1) in the working position.

Abstract: An injection molding system is disclosed. The system includes a multiple valve gated nozzle. The flow through each valve gate is determined by individually operated valve pins. Each valve pin is independently controlled by a separate actuation unit. In order to achieve a tight pitch between the valve pins, the actuation units are placed in a stacked configuration, with the valve pin controlled by the upper actuation unit passing through the lower actuation unit. The valve pin of the lower actuation unit is offset from a center of the upper actuation unit to allow for the unimpeded passage of the valve pin from the upper actuation unit through the lower actuation unit.

Abstract: The invention relates to a ring furnace pit (2) cooling method, comprising the production of a flux F of cooling fluid inside the pit (2) and the flow of at least a part Fr of said flux F in a roughly vertical manner along determined surfaces of the walls (2A, 2B) of the pit (2). The invention also relates to a device capable of implementing the method. The invention makes it possible to accelerate the cooling rate of ring furnace pits considerably.

Abstract: A convection oven with laminar airflow and/or moisture injection. A radial airflow fan is used to provide a circulating airflow that is substantially even and substantially turbulence free. The circulating airflow is provided to an oven chamber via a plurality of egress ports that rim a divider wall disposed between the oven chamber and a fan chamber. The airflow interleaves with a plurality of pans in the oven chamber to provide a laminar airflow. Moisture is injected into the circulating airflow either upstream of the fan or by flashing water onto the hot blades of the fan from either the low pressure side or the high pressure side of the fan.

Abstract: Provided, among other things, is a system for progressive palatal expansion, the system comprising a series of incremental expanders, including: a) a first incremental expander having a geometry selected to incrementally expand the palate; b) one or more intermediate expanders having geometries selected to progressively expand the palate; and, c) a final expander, having a geometry selected to expand the palate to a target desired breadth.

Abstract: An orthodontic appliance has a ceramic body and an archwire slot liner that is received in a channel of the body. The archwire slot liner has occlusal, gingival and lingual sections, and the lingual section is thicker than the occlusal or gingival section. The archwire slot liner helps resist fracture of the ceramic when the appliance is in use in the oral cavity, and yet need not adversely affect the aesthetic appearance of the appliance. A notch in the archwire slot liner is aligned with a channel in the body and provides a passageway for receiving a vertical auxiliary device.

Abstract: Orthodontic treatment is achieved using a series of successive, removable repositioning appliances, such as thin polymeric shell appliances referred to as aligners. A set of aligners is originally provided to the patient. If the patient's treatment goes off course using the original set of aligners, further aligners are designed and fabricated to move the deviant tooth arrangement back to a target tooth arrangement which was part of the original treatment program.

Abstract: A dental device configured for curing light-curable compounds includes an extension portion conforming along a first axis, and a handle portion conforming along an intersecting axis, the axes forming an obtuse angle. An LED light source is disposed on the extension portion, and faces away from the obtuse angle, though rotatable embodiments allow for other configurations. The LED light source may include transilluminating lenses for filtering out undesired radiant energy. The dental device may include finger controls for controlling the emission of light from the LED light source of the dental device. A remote power supply connected with the dental device provides power to the dental device without increasing the size or weight of the dental device.

Abstract: Tray (10) for forming dental model comprises base wall (12) forming floor upon which dental casting material is poured. Spaced apart projections (14) extending upwardly from base wall (12). An upstanding axis of each projection (14) is substantially perpendicular to the upper face of the base wall (12). Projections (14) are arranged in two rows, with the projections (14) in one row being offset from corresponding projections (14) in the other row. Sidewalls of each projection (14) taper inwardly at an angle of between about 82 to 88 degrees with the upper face of the base wall (12). Each projection (14) has a thickness at its base of about 3 to 7 millimeters. The projections (14) are spaced from each other at their bases by a distance of from 0 to 5 millimeters.

Abstract: A base assembly for fabrication of false teeth includes a base, and a gum-like raised portion is provided on the said base, a plurality of protruding blocks are provided symmetrically and evenly at the interior and exterior arc edges on the raised portion, and positioning holes are provided between two opposite protruding blocks; a removable holddown plate with a configuration corresponding to the said raised portion is provided over the raised portion, and the holddown plate has a flat surface on the upper surface, has the recesses corresponding to the protruding blocks to be engaged with the protruding blocks and the mounting pins corresponding to the positioning holes to be engaged with the positioning holes on the lower surface. The time to fabricate false teeth is largely reduced and the fabrication accuracy of the false teeth is improved by using the base assembly of the present invention.

Abstract: A dental handpiece including a handpiece body with a head mounting seat, with a gas feeding channel, wherewith the seat is adapted to provide a full turn of the head. The head includes a turbine and an gas feeding aperture to the turbine. A micromotor is included having an inlet for feeding gas and a drive shaft for ensuring mechanical drive action. An intermediate gas feeding channel is made on the inner surface of the head mounting seat or on the outer surface of a part of the head. The drive shaft of the micromotor is connected to the head, and the inlet for feeding gas to the micrometer is connected to the gas feeding channel in the body.

Abstract: Dental bleaching devices in the shape of a dental tray, strip or patch include a barrier layer, a dental bleaching composition, and a protective adhesive composition that protects a person's gums from the dental bleaching composition during use. The barrier layer protects the bleaching and protective adhesive compositions from saliva or moisture during use. The dental bleaching composition is positioned so as to contact a person's tooth surfaces when the bleaching device is in use. The protective adhesive composition is positioned so as to shield a person's gums from the bleaching composition when the bleaching device is in use. The dental bleaching composition and protective adhesive composition can be in the form of a gel or they may be substantially solid. They preferably include a tissue adhesion agent comprising a hydrophilic polymer.

Abstract: The invention relates to medicine and could be used in orthodontics during the stimulation of growth and filling of defects of jaw's missing tissues, in particular, of palate cleft and alveolar process. According to a proposed method a defect is closed by a plate, edges of defect are irritated by imparting vibratory motions to a plate and a space is freed for neoformations of tissues by periodically correcting of a plate's working surface. A proposed device has fastening elements on teeth of lateral segments, a plate or plates closing missing tissues of defect and a lingual arch, which is connected to fastening elements and a plate or plates through springs. Fastening elements are realized in the form of metal wireframes, details of which clasping necks of lateral teeth from lingual and vestibular sides are connected by crosspieces disposed in interdental spaces, as well as, in intertubercular recesses of teeth in sagittal and/or transversal directions.

Abstract: This invention concerns a device for a weapon sight. The device includes a deflecting element (15) disposed in an optical path through the sight and comprising an optical wedge (17), and means (16) arranged to control the positional setting of the optical wedge to produce a randomly altered sight image in the sight. The device is characterized in that the control means (16) are arranged to produce, before firing, the altered sight image and, during firing, to guide the wedge or wedges to a reference position in which the sight image is unaltered. The invention also concerns a method for optically simulating recoil in a weapon with a sight.

Abstract: A main computer processing system accesses a text, counts the number of times each word appears, and arranges the words on the display in a way that makes understanding the text easier. On the display, the user can see which words are used most frequently, and the placement of each word gives some information about where it appears in the text. Each word is associated with a graphical drawing that indicates everywhere the word appears in the text (a “Distribution Glyph”).

Abstract: An interactive education system is described for teaching patient care to a user. In one example, the system includes a model of a human body, including lungs, a passage in fluid communication with the lungs, and a breathing valve for controlling the flow of fluid through the passage. The system also includes a pneumatic module for delivering pressurized fluid to the fluid passage. A processor may be used to control the breathing valve. A memory is accessible to the processor for storing instructions for execution by the processor, including instructions for manipulating the breathing valve to regulate the flow of pressurized fluid from the pneumatic module to the lungs. The processor may also produce various physiological indicators, including waveforms, a pulse, etc. The indicators may be prerecorded or dynamically generated. An external device may be used to wirelessly control the processor.

Abstract: A door handle for a vehicle includes a housing member having a first end portion, a second end portion, and a recessed portion provided between the first end portion and the second end portion of the housing member, a first electronic component accommodated in the recessed portion of the housing member, and a covering member for covering the recessed portion of the housing member.

Abstract: Disclosed is a printed circuit board comprising a contact terminal, which prevents a poor contact and reduces a manufacturing cost, and an image forming apparatus having the same. The printed circuit board comprises a circuit part for controlling and processing an operation of electronic appliance, and a large-area contact terminal formed by a group of small-area terminals for electric connection with external device. The small-area terminals can be formed in various types, respectively having regular size and shape and being distanced a predetermined interval. Accordingly, unevenness of the large-area contact terminal surface caused by soldering is prevented since a plurality of small-area terminals constitute a unit contact terminal of over a predetermined size. Therefore, quality of contact with external terminal improves. Further, manufacturing cost is reduced, and the manufacturing process becomes simple.

Abstract: A connector for plural kinds of cards includes a housing, and a gate-shaped slider slidable on slide rails on both sides in a card inserting space in the housing. Inserting a wider and thicker card, the card engages and moves together with the slider into the housing to contact contacts on one surface in the housing at a predetermined inserted position. Inserting a narrower and thinner card, the card enters an inner space of the gate-shaped slider, and while the slider remains stationary, the card arrives at a predetermined inserted position with the aid of a step having an inclined face in the slider, whereupon the contacting surface of the card arrives at the same level as that of the contact surface of the wider and thicker card so that the card comes into contact with the contacts to achieve an electrical connection therebetween.

Abstract: A vehicle information collection device that is disposed in a compartment of a vehicle and collects vehicle information, comprising a cylindrical case (1), a connector (8) that is provided at one end of the case (1), for connection to the vehicle mounted computer (200), a main body (2) disposed inside the case (1), that transmits and receives a signal via the connector (8), and a lid (4) that closes the other end of the case (1). With this construction, the device can be easily disposed in the vehicle compartment.

Abstract: A module system for power distribution includes sealed modules for providing control or access to the power, wherein the module system allows interconnection to a modular circuit breaker panel for monitoring power consumption and optimizing use for a given circuit.

Abstract: Switch-controlled vehicle room lamps are provided with an insulating structure between bus bars disposed on a back surface of a case Short circuiting between the bus bars is prevented by fitting insulating members molded from a relatively flexible resin into grooves in which the bus bars are fitted to cover exposed surfaces of the bus bars at least entirely over a portion where the mutual distance of the bus bars are reduced. In some embodiments, the insulating members are formed with projections which are adapted to be fit within holes of the case into which severed bridge portions of the bus bar extend. The projections may advantageously be provided with an acute-angled distal end and a constriction at a midsection thereof.

Abstract: A cover mounting assembly includes a button (20), a cover (40), a locking member (60) and a base plate (70). The cover includes a pair of hooks (49). The locking member includes a lockpin (65). The locking member is attached with the button on the opposite surfaces of the cover to slide forward or rearward together. The base plate includes an opening (71) and a pair of slots (77). The cover is received in the opening of the base plate and the hooks are received in the slots of the base plate respectively. The lockpin of the locking member abuts against the internal surface of the base plate to fasten the cover to the base plate.

Abstract: A card connector includes: an insulating housing having a base, a back wall extending upward form a rear end of the base, a partition wall formed with a first stopper, and a second stopper extending upward from a front portion of the base; a plurality of terminals disposed on the base; a shield covering the insulating housing to define a card receiving space for receiving a card; and an ejecting mechanism slidable in the card receiving space for inserting/ejecting the card. The ejecting mechanism includes a slider and a compressed spring disposed between the back wall and the slider for pushing the slider to slide. The slider is formed with a first receiving board, and a blocking portion with a second receiving board extending out. The slider slides between a first position and a second position where the blocking portion of the slider leans against the second stopper and the two receiving boards wedge in the two recesses defined below the two stoppers.

Abstract: The invention provides an apparatus including a housing and a spool disposed in the housing for rotation. The apparatus also includes a wire disposed in the housing and having a first end fixedly engaged with the housing and a second end fixedly engaged with the spool. The wire is moveable between a first configuration generally wound around the spool and a second configuration generally unwound with respect to the spool and arranged along an inner surface of the housing. The wire moves between the first and second configurations in response to relative rotation between the spool and the housing. The apparatus also includes at least one guide member disposed in the housing and movable along an arcuate path. The guide member moves in an opposite direction of rotation of the spool to guide movement of the wire between the spool and the housing.

Abstract: A connector set of notebook computer is provided. The connector set includes a power supply connector, a host connector, a battery connector and a battery recess connector. The host connector is fixed on the notebook computer and electrically connected to the power supply connector. The battery connector is removably disposed on the notebook computer. The battery recess connector is fixed in a battery recess of the notebook computer. The battery connector is capable of being electrically connected to both battery recess connector and the power supply connector. That is, the battery connector of the invention is selectively connected to the battery recess connector or the power supply connector. Thus, the battery may be charged when disposed in the computer recess or alternatively may be removed from the computer recess and charged directly through the power supply connector.

Abstract: In an anti-decoupling structure for a USB connector, a hooking device is mounted on a terminal base. A control plate is extended from the hooking device. A hidden lock is mounted behind the control plate. The terminal base, the hidden lock and the hooking device are packaged by the outer shell to form a unity, whereby the USB connectors are protected from being decoupled by using the hooking device. Besides, the hooking device is locked or unlocked by controlling the hidden lock to protect the USB connectors from being stolen.

Abstract: The present invention provides an electrical connector (100) used to be inserted into a receptacle (80) mounted on a substrate. The electrical connector comprises a connector body (20), a latching lever (40) attached onto said connector body and being rotatable therearound between a first position where the latching lever engages the receptacle and a second position where the latching lever disengages the receptacle, and a pull strap (60) slidably mounted onto the connector body. The pull strap drives the latching lever to the second position when the pull strap slides along a sliding direction.

Abstract: A cable connector assembly (100) includes a connector housing (1) defining an L-shaped port and a rectangular port, a number of contacts (2) received in the connector housing, a cable (4) with a number of conductors electrically attached to the contacts, a pair of locking members (9) retained in the connector housing, and a shell (6) enclosing the connector housing and electrically connected to the contacts, and a cover (7) enclosing the rear of the connector housing.

Abstract: An apparatus for preventing unplugging of an electrical plug from an electrical receptacle includes a unitary member having each of a predetermined shape a predetermined size and a predetermined thickness. An aperture is disposed within the unitary member for removably attaching it to a predetermined portion of such electrical receptacle. A second aperture is disposed in a predetermined portion of the unitary member and has an edge for applying a predetermined pressure onto a portion of an electrical cord integrally connected to such electrical plug for preventing unplugging thereof when such electrical plug is plugged into such electrical receptacle.

Abstract: The present invention relates to a spring clip connector assembly comprising a base product with an opening and a spring clip connector. The spring clip connector includes a housing having a front wall with an opening for receiving a wire therethrough, a movable tab located in the housing, and a conductor secured to the housing and having a contact positioned to engage a wire inserted through the opening in the front wall, and a spring between the housing and the tab. One of the base product and the housing includes a resilient member and the other of the base product and the housing includes a mounting surface, the resilient member movable between a first position that permits insertion of the housing through the opening of the faceplate and a second position that engages the at least one mounting surface and blocks removal of the housing from the opening of the faceplate.

Abstract: A connector adapted for connection to cables has a retaining member that aligns and retains the cables. The retaining member has a body portion and a bar-shaped member. The body portion has a plurality of fixing portions for fixedly retaining the bar-shaped member. The cables are firmly sandwiched between the body portion and the bar-shaped member.

Abstract: A connector is provided with a cable retainer which includes thin plate extending in one direction, five projections projecting from the thin plate part, and a ground part projecting from the projections. The cable retainer clips cables by projections plastically deformed by caulking. Furthermore, when the cable retainer is attached to a housing, it is arranged so that the ends of the connect portions of the ground part face the terminals that serve as ground electrodes.

Abstract: An integrated sealable plate assembly for a sealable electrical or fiber optic connector can be used in industrial and other settings. The integrated sealable plate assembly has a plate with frame portions that are inserted into grooves of a gasket so that the plate and gasket can be coupled together as a unit for ready installation with the junction box. The gasket includes appendage portions with inner frame portions for sealing screw holes of the plate without need of conventional o-rings. When the plate and gasket are coupled together as a unit the appendage portions also serve to position and retain screws along with the plate and the gasket to further aid in installation.