Abstract: A peristaltic pump having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The pump head rollers are mounted radially from the axis of rotation of the pump motor and compress the elastomeric flow channels against the rigid substrate.

Abstract: A package-type screw compressor includes a low-pressure stage state compressor and a high-pressure stage compressor. Motive power is transmitted from an electric motor to the two compressors via a speed increaser. The discharge gas, compressed and heated to a high temperature by the low-pressure stage compressor, is cooled by an intercooler. The discharge gas, compressed and heated to a high temperature by the high-pressure stage compressor, is cooled by an aftercooler. A casing of the intercooler and that of the aftercooler are formed integrally with a speed increaser casing, reducing the number of component parts. A cooler portion, formed by the intercooler and the aftercooler, is spaced from the speed increaser casing, thereby preventing heat, produced by the compressed air, from being transmitted to the speed increaser casing.

Abstract: The invention concerns a vacuum pump consisting in the assembly of two stator half-shells (101, 102) and two directly mounted end parts (31, 32) with an interposed single-piece continuous pressure seal (33). The pressure seal (33) comprises two annular end parts (34, 35) generally parallel to each other and connected by two side-members (36, 37) which are generally perpendicular thereto. Thus, the number of components to be assembled to produce an multistage dry vacuum pump is reduced, while providing satisfactory impermeability to outside atmosphere.

Abstract: A suction fitting for a scroll machine is disclosed. The suction fitting is formed by a powder metal suction plate and a cast suction tube. The suction fitting is configured so that the powder metal suction plate is not subject to pressure gradients caused by the compressor.

Abstract: A hydraulic motor has a housing with an inner toothed ring, and an outer toothed wheel eccentrically mounted within the ring, with pressure pocket space between the teeth of the ring and the wheel. The wheel is eccentrically rotatably and orbitally mounted within the ring. A rotary slide valve is mounted within the wheel. A valve plate with an open center is adjacent the wheel. A rotary slide valve is positioned within the open center of the valve plate. Fluid under pressure in passageways is provided to a front group of pressure pocket spaces to cause the wheel to rotate. An output shaft is operatively connected to the wheel.

Abstract: To provide a screw compressor comprising a compressor screw housing, two screw rotors with intermeshing screw bodies arranged in the compressor screw housing and with shaft sections arranged on both sides of the screw bodies, the screw rotors being mounted by means of the shaft sections in bearing housings arranged on both sides of the compressor screw housing, which prevents pressure losses, it is proposed that an intermediate portion of the respective shaft section adjoining an end of the respective screw body at the pressure side and extending as far as a bearing section be sealed off in the area of a closure wall of the compressor screw housing at the outlet side from an inside surface of an opening in the closure wall, which surrounds the intermediate portion.

Abstract: A homogeneous sash or fenestration unit is shown which may be made of a wide variety of materials, and holds a first and a second pane of glazing material in a parallel, spaced apart, relationship without the use of spacers or a preassembled glazing unit. A novel method and apparatus for making the sash or fenestration unit may use a double door horizontal booking press with fixed or adjustable molds.

Abstract: A thermoformed mold is supported by a quick change tooling system including a pair of parallel spaced elongated channel members each defining an open bottom cavity for receiving in precision alignment an elongated rail member secured to a supporting press platen. Each channel member is releasably locked to its rail member by a pair of couplers each including a stud projecting downwardly in the channel member and received within a corresponding cylinder within the rail member. The cylinder has locking balls which releasably grip the stud in response to axial movement of a fluid actuated spring biased piston surrounding the cylinder.

Abstract: An apparatus permits production of the complete monolithic cross flow trap module in a single extrusion process followed by firing to sinter the plasticized ceramic material and remove the plastics to achieve open porosity. Consequently, the trap modules can be made in large production quantities at minimal cost.

Abstract: A die assembly is disclosed for forming a bead on a cylindrical tube. The assembly includes a holder which secures the tube against axial movement so that a portion of the tube protrudes outwardly from the holder along a predetermined axis and in which the holder has a forming surface circumscribing the tube. The die assembly further includes a first die part having a cylindrical mandrel aligned with and slidably receivable into the outwardly protruding portion of the tube. A tubular cylindrical sleeve is mounted to the first die part so that the sleeve is coaxial with the mandrel and so that the tube extends between the mandrel and the sleeve. The sleeve also includes a conical surface coaxially formed about a free end of the sleeve. A second die part has a throughbore complementary in size and shape to the outer periphery of the sleeve so that the sleeve is slidably receivable within the throughbore.

Abstract: An apparatus for molding a plurality of containers being interconnected with linking arms. The apparatus includes a first member and a manifold member, operatively attached to the first member, for channeling a plastic fluid to an insert. The insert contains a first slide and a second slide. The first slide and second slide will have an extended position and a contracted position, and wherein the contracted position defines a plurality of interconnected cavity profiles. The second member will have a first end that contains a plurality of core pins. A piston is adapted to the second member for reciprocating the second member into engagement with the insert so that the first slide and second slide are moved to the contracted position. During the reciprocating motion, the plurality of core pins are received in the cavity profiles. The apparatus will further comprise a heater for supplying a heat to the fluidized plastic.

Abstract: The present invention is an apparatus and method pertaining the food patty production. The present invention allows high output production of food product patties at reduced machine operating speeds. This is accomplished by effectively utilizing a mold plate with multiple rows of patty cavities. Thus, more patties can be molded at slower operating speeds. This aspect of the present invention reduces normal wear and tear on machines resulting in high efficiency output. The present invention operated at reciprocating frequencies lower than those used in machines known in the industry can potentially increase output by two-fold, or more. The present invention is also designed to produce patties of uniform size, weight and texture thereby promoting consistent cooking and food safety. This is accomplished by a (1) specified operation timing sequence and (2) custom designed fill slots which serve as a conduit between a food product source and a patty cavity.

Abstract: A method and apparatus for the installation of a mixer in a hot runner manifold is disclosed. An adapter plate is affixed to the manifold and directs the fluid flow through a mixer.

Abstract: Discloses is an apparatus for injection molding permitting movement of the injection molding machine in multiple planes. The apparatus has a frame and an injection molding machine mounted within the frame. Located on both the frame and the injection molding machine are a plurality of interlocking rails and rail bearings. The movement of the rails in the rail bearings permits the injection molding machine to move relative to the frame. The frame is a two piece interlocking frame, the two pieces being capable of movement relative to each other.

Abstract: A method and system for detecting flame rollout is disclosed. The detection system includes a processor programmed to execute a furnace lockout when the flame proving signal is lost three times after successful burner ignition has been established on each of three heating cycles within a predetermined period of accumulated burner on-time. In one embodiment the period of accumulated burner on-time is 60 minutes. The program executed by the processor resides in firmware. The system and method of present invention mitigates the potentially harmful accumulation of flue gasses when flame sense is lost due to flame rollout.

Abstract: A conventional watchdog timer circuit is arranged to judge a microcomputer to be normal as long as a pulse signal is being outputted from the microcomputer. Therefore, an abnormal condition cannot be detected when an operating frequency of the microcomputer lowers, for example. As a solution, the watchdog timer circuit is provided with a function for detecting the frequency. If the frequency of the pulse signal deviates from a predetermined frequency range, a reset signal is outputted indicating that the microcomputer is abnormal, even if the pulse signal is being outputted. A solenoid-operated gate valve is thereby closed to stop the supply of gas to a gas burner.

Abstract: An automatic candle snuffer has a heat resistant housing with a bottom end that is received and closed by a candle holder. The housing top end is open when a hinged lid is open and closed when the lid is closed. A digital timer is attached to the housing and has a fixed part of the hinge attached for selectively magnetizing and demagnetizing. The hinge also has a magnetic portion attached to the lid, such that the lid is held open by the magnetic coupling of the fixed part of the hinge and the magnetic hinge portion attached to the lid. The user selects a time for the candle to be snuffed, and the timer demagnetizes the fixed part of the hinge, whereupon the magnetic coupling is broken and gravity causes the lid to close on the housing.

Abstract: What is described is a burner system with a premix burner (1), in which is provided at least one vortex generator (2), through which passes an air-containing gaseous main flow (ZL) which flows axially through the premix burner (1) and into which gaseous and/or liquid fuel is injected, downstream of the vortex generator (2), as a secondary flow for generating a fuel/air mixture, and with a combustion chamber (5) which adjoins the premix burner (1) downstream of the latter and has a combustion chamber cross section (C2) which is larger than the flow cross section (C1), delimited by the premix burner (1), directly upstream of the combustion chamber (5).

Abstract: A combustion chamber for a chiller includes a burner and igniter which are maintained in the horizontal position. The horizontal positioning is implemented by a steel casting, which includes a thick flange portion. The thick flange portion is between the combustion chamber and the outside surface, therefore keeping the outside surface cooler. The steel casting has a mitered extension of the combustion chamber, which allows for more efficient heat transfer. By orienting the burner and igniter in the steel casting in the horizontal position, one eliminates prior art ceramic annular cooling devices. The horizontal orientation enables the overall height of the generator to be decreased and also allows for easy access during installation and maintenance of the burner and igniter.

Abstract: A method and apparatus for accelerated cooling of a furnace such as a furnace containing a susceptor. Cooling gases are split whereby a first percentage are provided to cool the furnace while a second percentage are provided to assist in cooling the heated cooling gases after cooling the furnace, whereby the percentages are changed throughout the process. The system further provides for unique cooling flow arrangement in the furnace which promotes maximum heat transfer through swirling.

Abstract: A tunnel kiln useful for burning vertically perforated green bricks, includes a furnace chamber; a plurality of tubular burners for heating the furnace chamber, with the burners defined by longitudinal axes which extend essentially in a vertical direction; and a transport device for so transporting green bricks in raster-like spaced-apart relationship in a travel direction through the furnace chamber that the perforations of the green bricks are oriented in a common direction. Each of the burners has a nozzle body formed with orifices for combustion gases, with the orifices defined by longitudinal axes which extend substantially in a direction of the perforations, wherein the nozzle body is positioned within a spacing between confronting end faces of neighboring green bricks.

Abstract: A forced air heating system has a heat regulating unit assembled therewith, the heating system comprising a furnace having fuel burner and a flue pipe for outlet gases. The heat regulating unit has a metal flue conduit with a flue gas inlet and a flue gas outlet connected to the flue pipe in proximity to the furnace to form a portion of the flue pipe. An elongated casing surrounds the flue conduit and defines with the flue an annulus in which a series of equispaced metal fins extend radially from the flue conduit to the casing to define chambers containing a heat-absorbing material such as metal wool. The heat regulating unit functions as a heat-sink to absorb heat from the hot fuel and a heat source gases for return to the furnace by conduction and convection.

Abstract: A gas preheater for a CVI furnace designed for the densification of annular porous substrates arranged in a plurality of vertical annular stacks of substrates, comprising: a sleeve made of heat conductive material resting upon the bottom wall of a susceptor and delimiting a gas preheating chamber, with a gas inlet opening in the gas preheating chamber; a heat exchange assembly located in the gas preheating chamber; a gas distribution plate resting upon the sleeve, covering the gas preheating chamber and provided with a plurality of passages for preheated gas; a load supporting plate for supporting stacks of annular substrates and provided with a plurality of passages in communication with respective passages of the gas distribution plate and registration with internal volumes of respective stacks of annular substrates; and nozzles inserted in passages communicating the gas preheating zone with the internal volumes of respective stacks of annular substrates for adjusting the flows of preheated gas respectively

Abstract: Traditional orthodontic treatment often involves the use of basic repositioning devices, such as braces, and the use of supplementary devices, components or accessories to achieve desired end results. Such components may be mounted on fixed, non-removable devices or they may be part of a removable appliance typically worn prior to the application of the fixed devices. As with traditional treatment, it may be desired to utilize similar components when repositioning teeth with removable elastic repositioning appliances. Due to the nature of elastic appliances, such components may take a variety of forms ranging from readily available traditional accessories to specially created devices. Thus, traditional components may be mounted on or embedded in an elastic appliance, or the appliance may be formed to provide similar components. Likewise, the appliance may be modified to provide additional features for specific orthodontic treatments.

Abstract: A dental endosseous implant (1) is disclosed which comprises an anchoring portion (2) with a male thread intended for fitting into a respective cavity formed in the upper or lower jaw. The anchoring portion (2) is then connected by an intermediate neck (6) to a head portion (3) adapted to emerge from the osseous tissue and to define an engagement region for a superstructure in turn adapted to receive and be coupled with a tooth crown for dental restoration. The head portion (3) is advantageously of cylindrical conformation and provided with an outer male thread for receiving and being removably coupled with the superstructure. Auxiliary grip holes (8) are provided at the anchoring portion (2) to enable disengagement of said anchoring portion even in case of breaking of the intermediate neck (6); finally, a push rod (9) is removably connected with an end (2c) of the anchoring portion itself (2).

Abstract: A dental bonding formulation provides a single application step in which a chelating agent present within the formulation is capable of complexing ions present in a dentinal tubule calcified deposit. The formulation has a pH of between 1.2 and 4 to promote complexation without inducing excessive dentin etch. A curable resin is also present in the formulation to seal the underlying dentin surface.

Abstract: A firearm laser training system according to the present invention includes a laser transmitter assembly and a cartridge adapter assembly, while employing modified blank cartridges to simulate firearm operation. The modified blank cartridges each have a quantity of explosive substance sufficient only to cycle the firearm. The laser assembly is configured for attachment to a firearm barrel and front sight and emits a beam of laser light toward a training system target in response to actuation of the firearm trigger. The laser beam is generally in the form of a pulse having a duration sufficient for the system target to detect a beam impact location. The cartridge assembly is disposed within the firearm barrel to adapt the firearm for compatibility with the modified blank cartridges for simulating firearm operation.

Abstract: An avionics maintenance training device to train cognitive and psychomotor skills is disclosed. The training device is a physical mock-up of an actual aircraft's cabin assembly. The avionics maintenance training device includes actual avionics components and non-functional and functional physically replicated avionics components of the actual aircraft. The avionics maintenance training device further includes an instructor workstation, a simulator/stimulator, and an interactive electronic training manual. The training device runs the actual operational flight program of the aircraft. The replicated components are three-dimensional components with physical characteristics similar to the avionics components they replicate to teach component removal and replacement skills. The actual and replicated avionics components are located in the training device in positions similar to positions of the avionics components in the aircraft to replicate accessibility.

Abstract: This invention is a computerized expert system for providing interior design by allowing a homeowner to enter interior design requirements and selecting interior design treatments according to the homeowner's design requirements so that a grouping of compatible interior design treatments is provided for the homeowner to be used in decorating the homeowner's home.

Abstract: An electronic drawing assist toy comprising a drawing control mechanism operative to selecting a pattern to be displayed. A display screen is arranged in a two dimensional memory array and is selectively energized to sequentially display a selected pattern in response to operation of said control mechanism to assist the user in creating a corresponding drawing.

Abstract: A welding kit to provide a welder with information and instructions concerning particular types of welds and the formation of such welds. The welding kit includes a welding instruction manual and several metal sheets that include a plurality of pre-cut metal pieces. The metal pieces are used to form one or more welding projects with instructions provided by the instruction manual.

Abstract: A game unit and a method for teaching favorable behavioral patterns. The game unit includes a portfolio and an allowance system in cooperative engagement with the portfolio. The portfolio includes a plurality of tab cards and a score unit for receiving the tab cards. The allowance system includes an allowance element as a unit of exchange between what is earned by a player and a tangible reward outside of the play situation. Accordingly, a method for teaching favorable behavioral patterns includes incorporating the game unit with a routine of a player for a predetermined period, such as a daily routine. The player is credited via the tab cards throughout the predetermined period for favorable and unfavorable behavior while performing the routine. At the end of play, a value received from calculating the awarded tab cards is used to determine a value of an allowance element to be received.

Abstract: A computer system includes storage device for storing a plurality of object files, each file including a program and information on the genre of music, and said computur system selecting an object file from the storage device and executing a program stored in the selected object file.

Abstract: A user inputs the conclusion of a paper using a client device. A server device asks the user a question about a reason to support the inputted conclusion, and the user answers the question using the client device. If the answer is not self-evident, the server device treats the received answer as a new assertion and asks the user a question about a reason to support the new assertion. The server device repeats questions until all reasons inputted by the user become self-evident. The server device displays a logical structure of the paper which indicates a logic of the paper based on the assertion and reason given by the user.

Abstract: A pick-up cap (2) for a CPU socket (1) is provided. The socket includes a base (12) and a cover (11) slidably stacked on the base to be movable between an open position and a closed position. The cover and the base respectively have first and second openings (112) and (121) completely overlapped with each other in the opening position and partially overlapped in the closed position. The pick-up cap has a flat top surface (21) and a bottom surface (22), and a corresponding number of legs (23) projecting downwardly from the bottom surface. Each leg comprises a connecting arm (231) received in the first opening and a hook (232) bent at a free end of the arm and received in the second opening.

Abstract: A method and system for interconnecting circuit cards is provided. Pins on a bus of a circuit card are grouped corresponding to each device on the card. Pins on the bus of the motherboard are grouped corresponding to each device on the motherboard. The groups of pins are matched with the devices on the card to appropriate devices on the motherboard. The size of the bus and circuit card can be adjusted in response to the number of pins needed.

Abstract: A low profile electrical connector (4) includes an insulative housing (5), a number of electrical contacts (6) and a pair of boardlocks (7) retained to the insulative housing. The insulative housing has a number of passageways (505) extending vertically through a longitudinal side (500) thereof and two slots (504). The passageways communicate with the slots through longer and shorter openings (508), (509). Each electrical contact has a retention portion (60), a transitional portion (62), and a curved contact section (64). The curved contact sections protruding through the longer openings into the slots are located vertically higher than the curved contact sections protruding through the shorter openings. Both the retention and the transitional portions of the electrical contacts corresponding to the longer openings engage with the insulative housing while only the retention portions of the electrical contacts corresponding to the shorter openings engage with the insulative housing.

Abstract: A socket includes a housing and a plurality of terminals received in the housing. Each terminal includes a securing portion inserted in the housing, a mating portion and a spring portion connected between the securing portion and the mating portion. When the socket interconnects with first and second electronic devices, the spring portion is resiliently deformed to provide resilient force to the mating portion and the mating portion therefore engages with the second electronic device with minimized wiping relative to the second electronic device.

Abstract: The present invention provides a flexible circuit connector for electrically coupling IC devices to one another in a stacked configuration. Each IC device includes: (1) a package having top, bottom, and peripheral sides; and (2) external leads that extend out from at least one of the peripheral sides. In one embodiment, the flexible circuit connector comprises a plurality of discrete conductors that are adapted to be mounted between the upper side of a first package and the lower side of a second package. The flexible circuit connector also includes distal ends that extend from the conductors. The distal ends are adapted to be electrically connected to external leads from the first and second packages to interconnect with one another predetermined, separate groups of the external leads. In this manner, individual devices within a stack module can be individually accessed from traces on a circuit card.

Abstract: The present invention relates to a socket for testing an integrated circuit utilizing an improved contact pin structure. In the test socket of the present invention, the length of the electrical path between the leads of tested IC and terminals of PCB is minimized and the contact pin may maintain wiping action in a wide area of contact portions. Further, as the contact pin may accommodate the pressure applied by the IC leads with great elasticity and provides sufficient floating suspension when the pressure is removed, the invention may efficiently prevent damages to the leads of IC being tested and extend the life of the contact pin.

Abstract: A circuit board assembly having a circuit board with at least one via, a pin for insertion into the via, and a contact element positioned adjacent to the pin and the via for providing electrical attachment of the pin to the via of the circuit board. The pin is detachable from the via and the contact element deforms upon insertion of the pin.

Abstract: Hand-held tools for gripping a railway contact rail to facilitate grounding thereof are provided. A first member includes a first jaw at an end thereof, a handle at an opposite end thereof, and a first intermediate portion extending between the first jaw and the handle. A second member is pivotally attached to the first member and includes a second jaw at an end thereof, a set of ratchet teeth at an opposite end thereof, and a second intermediate portion extending between the second jaw and the set of ratchet teeth. The first and second jaws are configured to pivot relative to each other so as to grip respective opposite side portions of a railway contact rail when the handle is moved downwardly such that the second intermediate portion is in electrical contact with a top portion of a railway contact rail.

Abstract: A first connector (3) includes: a first housing (12); and a pair of rotary members (13) supported on the first housing (12) for rotating in opposite directions to each other. Rotary members (13) each include: a first engagement member (21, 22); and a second connector (4) configured to be mated with the first connector (3). The second connector (4) includes a second housing (27) configured to be mated with the first housing (12). The second housing (27) includes a pair of first mating engagement members (36). First mating engagement members (36) are each configured to be abutted on the first engagement member for rotating a rotary member (13) and to be locked with the first engagement member (21, 22). The second housing (27) includes a pair of cuts (35). Cuts (35) each are for inserting the rotary member (13) thereinto when the rotary member (13) rotates.

Abstract: In a push-push type card connector in which a contact held by an insulator, an eject lever is coupled to the insulator to be movable in ejecting and inserting directions of a card and is continuously urged by a spring in the ejecting direction. The insulator has a pair of frame portions which are for guiding the card in the ejecting and the inserting directions. The contact is for coming in contact with the card inserted between the frame portions in the inserting direction. The eject lever has a guide portion slidable along one of the frame portions and an engaging portion for being engaged with the card in the ejecting direction.

Abstract: A cable reel for installation on the steering apparatus of a vehicle is disclosed. The cable reel includes a stationary member, a rotatable member, a reverse member and a flat cable. The reverse member has a plurality of reverse portions integral with an annular member, the reverse portions being disposed at regular intervals in a circumferential direction around the annular member. The reverse portions may be reverse rings formed by bending and looping arms connected to the annular member. Alternatively the reverse portions may be vacuum-moulded projections. The cable reel winds the flat cable, accommodated by reversal of winding of the flat cable by the reverse member.

Abstract: A connector has male and female housings (10, 20). A resilient member (50) is mounted in the female housing (20) for movement along the connecting direction of the housings (10, 20), and is biased forwardly toward the male housing (10) by springs (70) in the female housing (20). A front end (10a) of the male housing (10) pushes the resilient member (50) rearwardly during a connecting operation and resiliently compresses the springs (70). A lock arm (28) on the male housing (10) locks the housings (10, 20) together in properly connected state. However, the springs (70) expand resiliently to separate the housings (10, 20) if the correcting operation is interrupted prematurely. The female housing (20) has a cover (40) that can be moved rearwardly to deflect the lock arm (28) and to separate the housings (10, 20).

Abstract: The present invention provides a flexible air expansion compensator including an air chamber. The air expansion compensator mates with a terminal cavity of a sealed electrical connector to compensate for heating and cooling of air trapped in a device that contains the sealed electrical connector.

Abstract: A connector apparatus including a connector housing having one or more apertures. One or more contact members are positioned within each of the apertures. Each contact member has a first interface portion adjacent to a receiving opening and a second interface portion. The contact members are moveable between an engaged and a disengaged position within the receiving opening. A first compliant material retains the contact members to the connector housing. A second compliant material is positioned to bias the contact members toward the engaged position. An actuator is releasably engaged with the housing. The contact members are biased toward the engaged position when the actuator is engaged with the housing.

Abstract: An improved structure of a ball grid array IC socket connection with solder ball is disclosed. The improved structure of a Ball Grid Array IC socket connection solder ball having a plurality of conductive plates corresponding to IC pins is characterized in that the conductive plates are flexible bent plate bodies for insertion and clipping with the IC pins, and the other end of the plate body for insertion into the IC pins is formed into a branching opening for elastic alloy clipping of the solder ball so that the solder ball is securely clipped and the other end of the plate body is formed into a bending wall for insertion into the IC pin.

Abstract: Each of the end parts of the piercing portions (25 and 26) of an electrical connection terminal 21 has a pair of piercing blades (31, 31 (or 32, 32)) formed by providing a notch portion (34 (or 35)) therebetween. The piercing portions (25 and 26) paired to each other are adapted so that the piercing blade (32 (or 31)) is placed at the notch portion of each of the opposed piercing portions, and that when the piercing portions, which penetrate the flat circuit body, are folded back in a direction in which the piercing portions approach each other, the piercing blade of one of the piercing portions is inserted into the notch portion of the other piercing portion.