Abstract: A valve manifold box system and method in which one or more dispense units dispense chemical to a plurality points of use. A fluid circuit is provided with valve manifolds connected in series by double walled conduits known as containment pipes. The fluid circuit is either in the form of a loop of a series of valve manifolds alternating with double walled piping so that each valve manifold is fed with chemical at opposite ends. Alternately, two dispense units could be connected to the end of an in-line type of fluid circuit. The valve manifolds are contained within valve boxes and the ends of the containment pipes are connected to the valve boxes. In this manner a leak in either the valve manifolds or the containment pipes collects within the valve boxes. Leak detectors are provided in the valve boxes and upon the sensing of a leak, the potentially leaking valve manifold as well as the associated, adjacent containment pipes feeding such valve manifold are isolated by isolation valves.

Abstract: In a hot and cold water plumbing installation, a volume of hot water is first drawn from the hot water line and stored in an insulated reservoir. When the temperature of the water near the most distal location of the hot water line falls below a predetermined level, the contents of the insulated reservoir are reinjected back into that line to flush the cooled down water back into the water heater. A second reservoir is used between the water heater inlet and the cold water source to absorb the excess water resulting from the aforesaid reinjection and prevent hot water from being injected into the cold water line.

Abstract: The present invention provides an axially-rotated valve which permits increased flow rates and lower pressure drop (characterized by a lower loss coefficient) by using an axial eccentric split venturi with two portions where at least one portion is rotatable with respect to the other portion. The axially-rotated valve typically may be designed to avoid flow separation and/or cavitation at full flow under a variety of conditions. Similarly, the valve is designed, in some embodiments, to produce streamlined flow within the valve. An axially aligned outlet may also increase the flow efficiency. A typical cross section of the eccentric split venturi may be non-axisymmetric such as a semicircular cross section which may assist in both throttling capabilities and in maximum flow capacity using the design of the present invention. Such a design can include applications for freeze resistant axially-rotated valves and may be fully-opened and fully-closed in one-half of a complete rotation.

Abstract: A hot pipe from an automobile manifold is shielded from other components in the engine compartment by attaching a two part shield around the pipe and clamping it in place. Each part is formed of two sheets of metallic material sandwiching therebetween a fibrous layer of heat insulating material. The layers of each of the shield parts are formed to a shape to conform to the shape of the hot pipe to be shielded prior to installation.

Abstract: Systems, valves and methods for controlling fluid flow using the systems and the valves for applications involving the control of micro flow of fluids, such as, for example, spacecraft rocket thrusters, oil well production, medical/biological apparatus, industrial apparatus is disclosed. The valves used in the systems and in the methods include a housing having a cavity and an inlet and an outlet. A seat is positioned in the housing and connected to both the inlet and the outlet. A poppet member is positioned in the cavity relative to the seat for controlling fluid flow from the inlet to the outlet. A magnetostrictive member is positioned in the cavity and connected to the poppet member. Electromagnetic excitation means are positioned in the cavity relative to the magnetostrictive member such that current applied to the electromagnetic excitation means controls the position of the poppet relative to the seat.

Abstract: A pressure relief valve assembly has a tubular body (10) with an internally projecting first valve seat (34, 80). An annular seal carrier (22) supports a resilient seal (24) which is spring-biased into engagement with the first valve seat (34). A movable valve member (44) has a second valve seat (46) which is spring-biased into engagement with the resilient seal (24), the range of movement of the movable valve member (44) towards the resilient seal (24) being limited by an abutment formation (52) which engages with a complementary formation (54) on the body (10). The resilient seal (24) comprises a body portion (26) abutting the seal carrier (22), a first lip portion (32) capable of flexing movement relative to the body portion (26) and adapted to engage with the first valve seat (34) and a second lip portion (48) capable of flexing movement relative to the body portion (26) and adapted to engage with the second valve seat (46).

Abstract: A flow regulator having a first and second stages of regulation. The first stage is a pressure regulation stage that maintains the pressure within an intermediate chamber (formed by a series of interconnected passageways and cavities) within a predetermined range above the pressure in an outlet port. The second stage maintains the flow rate within a predetermined range about a target flow rate. Both stages sample the pressure in the outlet port and automatically adjust the flow of fluid to ensure that fluctuations in pressure at the inlet and outlet ports do not affect the flow rate. The flow rate is set and controlled by a piston and valve arrangement. The pressure is regulated by a similar piston and valve arrangement. A flexible membrane is used to allow pressures in one chamber to be transferred into a control signal that operates a control valve in another chamber.

Abstract: A pressure regulating valve adapted to be interposed between a pressurized liquid supply whose pressure varies and a spray nozzle or other liquid applicator from which the liquid is discharged. The valve, actuated only when the pressure of the incoming liquid exceeds a predetermined minimum level, functions to maintain the flow of liquid fed to the applicator at a substantially constant pressure level regardless of variations in the pressure of the liquid supply, and to cut off flow automatically should the supply pressure fall below an acceptable level.

Abstract: A snap-action valve includes a housing defining a fluid chamber and a deformable membrane mounted within the chamber in alignment with an outlet opening in a wall of the housing. The membrane has an inner face exposed to the pressure within the chamber, and an outer face exposed to the ambient pressure via the outlet opening. The wall of the housing formed with the outlet opening is displaceable from the wall of the: housing formed with the inlet opening such that an increase in pressure in the chamber causes the membrane to deform to maintain the outlet opening closed until the displacement of the two walls exceeds the deformability of the membrane, whereupon the membrane opens the outlet opening with a snap-action to discharge a quantity of the fluid from the chamber and then recloses with a snap-action upon release of the pressure resulting from such discharge.

Abstract: A pressure relief valve such as is used to relieve over-pressure in the passenger compartment of an automotive vehicle has valve flaps which are retained in connection with a housing by molded-in-place retainer strips. The valve is manufactured by an injection molding tool having a pair of mold halves defining a first mold cavity for forming the housing and a second mold cavity for forming the flaps. After the housing and flaps have set, the mold is opened, with the housing remaining in contact with one mold half and the flaps remaining in contact with the other mold half. One mold half is then moved relative to the other to place the housing and the flaps in alignment with one another, and the mold halves are closed again to place the flaps inside the housing and define a third mold cavity extending along the lines of desired attachment between the flaps and the valve seats.

Abstract: The present invention provides a check valve including a seal door which is normally spring biased towards a closed position but which is responsive to a flow of fuel for displacing to an open position to allow fuel to pass in a first direction and for thereafter preventing passage of liquid fuel or fuel vapors in a second direction. According to the invention, the check valve is disposed at a lower end or in the midsection of a fuel tank filler pipe. The check valve includes an annular housing having a concentric annular valve seat portion including a frustoconical valve seat facing toward the lower end of the filler pipe. A seal door attached to a hinge member is resiliently biased toward engagement with the valve seat by a spring member. The inflow of fuel overcomes the bias of the spring member which causes the seal door to displace to an open position to allow passage of fuel to the fuel tank.

Abstract: A compressed gas regulator with integral flow meter is disclosed. The regulator includes pressure reducing section and a flow control section, as well as, a Bourdon tube gauge disposed within the protective surround of the regulator body to prevent physical damage to the gauge. The Bourdon tube is mounted on a gauge adapter that provides for rotation of the tube within the regulator body, yet maintaining a gas seal with the high pressure gas supply. The gauge adapter provides a means for fluidly communicating the high pressure level to the Bourdon tube, yet allowing rotation of the Bourdon tube for zeroing and calibration purposes. An indicator ring, also disposed within the regulator body, is mounted on the Bourdon tube so that the pressure level is readily ascertained by viewing the indicator ring through an aperture in the regulator body.

Abstract: A one-way flow valve quick connector is used in automotive fuel tank filler systems to interconnect the fuel filler tube with the fuel tank without the use of tools or special equipment. The quick connector includes a check valve to establish a substantially hermetic seal between the tank and the environment at all times to prevent the escape of liquid fuel during the refueling process as well as the escape of toxic vapors. A bypass vent operates during the refueling process to draw any vapors escaping from the tank or entering through the fuel fill tube inlet, filtering and returning them to the fuel tank.

Abstract: Inexpensive three-port solenoid valves that can be connected to five-port solenoid transfer valves and allow the axial movement of valve discs to be stably guided, are provided. Two valve discs constituting a three-port valve are inserted into a five-port valve body having a supply channel opened at the center of a valve hole; output channels are open on the respective sides of the supply channel; and ejection channels are open on the respective sides of the output channels. A pilot-valve section is used to drive the valve discs. The valve discs use the fluid pressure in the supply channel as returning force for the valve bodies, and each have seal members for switching the output channels between the supply channel and the ejection channels respectively, for communication; and guide sections and for guiding the axial movement of the valve discs, wherein a fluid groove for a fluid flowing through the channel is provided between the plurality of axial guide sections.

Abstract: A valve fitting comprises a female element and a male element. The elements are composed of fixed parts and axially sliding parts that, when at rest, arrange themselves in a closing position of a passage opening for fluid and in occurrence of the coupling between the two elements are displaced by their engagement with corresponding parts of the other element to an opening position of the passage opening. The male element includes a safety valve to intercept a fluid feed substantially at the end of the coupling manoeuvre of the two fitting elements. The male coupling member includes also a pressure relief valve interposed between the fluid feed and a pressure relief chamber.

Abstract: A power steering assembly (10) includes a rotatable valve core (40) which is encircled by a rotatable valve sleeve (41). The valve core (40) and valve sleeve (41) have surfaces which cooperate to direct a flow of power steering fluid during relative rotation between the valve core (40) and valve sleeve (41). A bearing assembly (100) is disposed between the valve core (40) and the valve sleeve (41) at a location adjacent to an axially outer end portion of the valve core (40). The bearing assembly (100) includes a plurality of rotatable bearing elements (124) which transmit sidewise loads between the valve core (40) and the valve sleeve (41). A bearing surface (102) is disposed on an axially inner end portion of the valve core (40). The bearing surface (102) is slidable along an inner surface area (104) on the valve sleeve (41) to transmit a sidewise load during relative rotation between the valve core (40) and the valve sleeve (41).

Abstract: A fluid pressure reduction device with stacked disks. Flow disks with inlet stage slots and outlet stage slots alternate with plenum disks having plenums and bypass slots. The bypass slots are aligned with the inlet stage slots so the flow capacity increases continually in a substantially linear manner when used in a flow control valve and the valve flow control element uncovers more of the stacked disk flow inlet openings.

Abstract: A solenoid valve apparatus, for supplying two end-users from a single pressure fluid source, includes two valves and a solenoid apparatus for actuating the two valves. The two valves are installed opposite each other, and the solenoid apparatus is located between the two valves. The solenoid apparatus contains two armatures configured as movable valve elements, which are approximately coaxial with each other. A coil surrounds the two armatures over at least part of their axial extensions. A pressure fluid channel connects the pressure fluid inlet of one valve to the pressure fluid inlet of the other valve. Each valve has a corresponding pressure fluid outlet, which connects to a respective end-user pressure fluid chamber.

Abstract: A method and apparatus for re-insulating underground steam pipe in situ includes the steps of creating at least one hole in the ground, inserting a liner into the hole, using a drill string to drill a hole in the conduit, inserting a tubing into the liner so that a first end of the tubing is positioned next to the pipe and a second end of the tubing is attached to a pumping system. The foam is then pumped through the tubing around the pipe and then the tubing is removed and the foam is allowed to cure and become rigid, thereby functioning as insulation.The plastic foam may be a polyisocyanurate or a urethane-modified polyisocyanurate.

Abstract: A double containment glass fiber pipe section is formed by a single winding operation. The pipe section may be a pipe or a pipe fitting. A section of primary pipe is wound and wrapped by a plastic tape. A permeable material layer is then wrapped around the wrapped primary section. One or more plastic tape layers are then wrapped over the permeable material layer followed by a winding of the secondary pipe section. The assembly is then cured forming a double containment pipe section having a permeable annulus having a radial thickness of about 1 mm. The permeable annulus is defined by the permeable material between the primary and the secondary sections. The permeable material allows for the flow of fluids within the annulus. A pair of wires may be helically wound within the annular space and can be used to detect leakage from the primary pipe section flowing within the annulus by monitoring changes in the capacitance or the resistance between the wires.

Abstract: A self-drying insulation system for a pipe or a container (1) which has a temperature that is periodically lower than the dew point temperature of the ambient air includes an inner capillary-active slot between the surface of the pipe or container (1) and a surrounding heat insulating layer (3) in which one or more capillary-active openings (5) are provided, these openings connecting the inner side of the insulating layer (3) with its outer side, and a water-repellent membrane (6) surrounding the outer side of the insulating layer so as to form an outer slot (7) between the outer side of the insulating layer (3) and the membrane (6).

Abstract: A modular device for weft yarn presentation in a shuttleless loom, operated by linear electric motors which present the yarn by using rods mounted on sliders which rotate to transition the rods from raised standby positions to lowered delivery positions. The linear motors include fixed plates and pivotally mounted sliders, each carrying a rod. The fixed plates are assembled such that the plates angularly diverge from one another from adjacent the pivotal mounting between the sliders and plates and form acute angles therebetween. By using this arrangement, the delivery segment for the yarns is significantly shorter and the angle of presentation of the yarns is substantially narrower.

Abstract: A controlled weft thread presenting and clamping arrangement minimizes weft thread waste and ensures proper tensioning of the weft thread during its presentation to the insertion gripper, in a gripper loom for weaving with plural different weft threads. The arrangement includes a control shaft (13) that has a drive key (14) protruding therefrom in a reference plane (7), and that is rotatably supported on a support bracket (10, 11, 12), which may be mounted on the loom. Weft thread presenting levers (15) each carrying a respective clamp (16) are movably arranged on the shaft (13), which passes through a hole in each of the presenting levers (15). A translational drive (22) acts on a presenting lever support (17) to translationally move all of the presenting levers (15) in unison together axially along the shaft (13) until a selected lever (15) is positioned in the reference plane (7), with the lever's drive groove 15B engaged on the drive key (14) of the shaft (13).

Abstract: A vapor recovery system nozzle capable of responding to the presence of an onboard vapor recovery system (ORVR) in an automobile. The invention includes a vapor recovery nozzle having a vapor passage in its nozzle spout and a vapor inlet in communication with the vapor passage. The spout includes a moveable seal mounted on the spout with the seal having a first position adjacent to the plurality of vapor inlets and a second position covering the vapor inlets so as to substantially block the passage of vapors through the vapor inlets. The seal may be biased in the second position.

Abstract: In order to provide a rotary filling machine, as used for bottling liquids, by means of which high-purity bottling conditions can be maintained, an ultraclean room is provided and implemented in the area of the path on which the bottles circulate, the upper ceiling wall of said ultraclean room being defined, at least partially, by the lower surface of an annular vessel storing the liquid to be bottled and by the lower surface of the filling valves arranged immediately below said annular vessel.

Abstract: The present invention solves these problems by providing a fueling system capable of distinguishing between types of transponders based on the type of signals transmitted or information transmitted therein. Based on the type of transponder, the system may control dispenser functions accordingly. For example, certain applications may allow transponders carried on a person to be moved about the fueling environment during a fueling operation, but stop fueling and provide warning or instructional information if a vehicle mounted transponder begins or starts to move during the fueling operation.The fueling system may use many various techniques to determine transponder movement within the fueling environment, and in particular, with respect to the fuel dispenser at which the fueling operation is taking place.

Abstract: An apparatus for felling and bunching trees is disclosed. The apparatus includes a frame and a yoke pivotably connected to the frame. The apparatus further includes a tool support pivotably connected to the yoke at a pivot axis and a cutting tool supported by the tool support. The cutting tool has a leading edge LE which is advanced toward the trees during a felling operation. The cutting tool further has a trailing edge TE which lags behind the leading edge LE when the leading edge LE is advanced toward the trees during the felling operation. The apparatus yet further includes a tilt cylinder positioned between the frame and the tool support. The tilt cylinder is movable between an extended tilt position and a retracted tilt position. The leading edge LE is moved closer to the ground when the tilt cylinder is moved from the retracted tilt position to the extended tilt position.

Abstract: A workpiece supporting assembly of a carpenter's plane is mounted on a workbench of the carpenter's plane and composed of a slide slot seat which is adjustably fastened with the carpenter's plane and provided with a first fastening member, a fastening seat mounted on the slide slot seat, a lock rod located at the side of the fastening seat and provided with a second fastening member, an angle adjusting member pivoted to the fastening seat, a grid plate pivoted to other side of the angle adjusting member and fastened with one end of the lock rod, and a fastening member having a first fastening portion which is connected with the first fastening member, and a second fastening portion which is connected with the second fastening member.

Abstract: A safety system for a stump cutter machine which comprises a swing out operator's control console equipped with an interlock to prevent rotation of the stump cutter wheel when not locked into the operating configuration, and a restraint means to hinder and prevent full use of the controls when the stump cutter is not in the operating configuration.

Abstract: A log is first passed between a pair of coarse chippers to cut material from opposite faces of the log as coarse chips and produce a pair of flat sides. Then the log is passed between a pair of fine chippers to cut material from the flat sides as fine chips. The log is then rotated through about 90.degree. and the rotated log is passed between a second pair of coarse chippers to cut material from opposite faces of the log between the flat sides as coarse chips and producing two more flat sides. Finally the log is passed between a pair of fine chippers to cut material from the two more flat sides as fine chips. The coarse chips are 10 cm and 30 cm long, 1 mm and 5 mm thick, and about 35 mm wide and the fine chips are about 10 cm long, about 0.5 mm thick, and 3 cm wide.

Abstract: Box-shaped holder for credit cards or similar products, provided with a front wall (10), two side walls (12, 14) perpendicular to the front wall, a bottom wall (16) which is perpendicular to the side walls but makes an angle of less than 90.degree. with the front wall (10) and an essentially rectangular rear wall (18). The rear wall is able to hinge about a hinge (20) wich runs paralell to the bottom wall in such a way that the top edge of the rear wall moves away from the top edge of the front wall, and vice versa. Furthermore, one section (22) of the rear wall (18) is able to hinge about a hinge (24) located in the rear wall, which hinge runs parallel to the bottom wall in such a way that the edge of the section which faces the bottom wall moves towards the front wall, and vice versa. Furthermore, the holder comprises a spring (26) which pretensions the section (27) of the rear wall in the direction of the hinge movement described above.

Abstract: A pneumatic tire, which comprises a tread portion provided with a circumferential groove having a pair of side walls, in the axial direction of the tire the circumferential groove is disposed within the ground contacting width of the tread under a standard loaded state, the standard loaded state is such that the tire is mounted on its regular rim and inflated to 70% of its maximum air pressure and then loaded with 88% of its maximum load, the axial width of the circumferential groove is in the range of from 0.2 to 0.35 times the ground contacting width, and at least one of the side walls has a nonrectilinear configuration having a plurality of axially deviated parts, whereby the conditions of the resonance of the air in the circumferential groove are continuously changed during running to decrease air resonance noise thereby effectively reducing the tire noise.

Abstract: Vehicle tire and a metal sheet mold plate for forming the vehicle tire having at least one axial end section includes a tread that includes sipes running substantially axially in at least one of the axial end sections when viewed from the top (i.e., perpendicular to the tread surface). The sipes are corrugated to form corrugated ridges and valleys that are substantially straight lines diagonally inclined in an oblique plane parallel to the substantially axially running sipes. The substantially axially running sipes may include a first set of sipes and a second set of sipes. The corrugated ridges and valleys of the first set of sipes are oriented, with regard to a radially outward direction, to extend axially inwardly toward (i.e., toward a axial center of the tire). Conversely, the corrugated ridges and valleys of the second set of sipes are oriented, with regard to the radially outward direction, to extend axially outwardly (i.e., away from the axial center of the tire).

Abstract: A tire traction enhancement system 10 is provided comprising tire chains 2 which include an outboard circumferential elongate element 4 and an inboard circumferential elongate element 6 between which are attached a plurality of transverse traction members 8. Ends 5, 7 of the elements 4, 6 are releasably attached via an outboard connection subsystem 29 and an inboard connection subsystem 20, respectively. The outboard connection subsystem 29 includes a first cable guide 30 attached to a first end 5 of the outboard element 4 and second cable guide 80 attached to a second end 5 of the outboard element 4. A cable 50 extends from the first end 5, around the second cable guide 80 and then around the first cable guide 30 before the cable 50 extends to attach to a mid-portion of the outboard element 4. The cable 50 routing configuration amplifies closure force A which draws the ends 5 of the outboard circumferential element 4 together.

Abstract: Lugs for detachably mounting on the chain of a conventional tire mounted wheel of a vehicle. The lug being detachably mounted to a portion of the chain which extends laterally over the tread of the tire mounted wheel of a vehicle. The lugs being means for extracting a vehicle from a snow filled ditch or from ice, mud or sand.

Abstract: A runflat radial ply passenger or light truck pneumatic tire 10 has a carcass 30 reinforced with at least one sidewall insert or filler 42 and one substantially inextensible cord reinforced ply 38, the ply being wrapped about two bead cores 26 and located radially inward of a belt reinforcing structure 36. The sidewall insert or filler 42 is located radially inward of the ply 38. The cord 43 has a minimum modulus E of 10 Gpa and is generally inextensible and less heat sensitive than conventional synthetic cords used in passenger and light truck tires.

Abstract: A pneumatic tire for heavy duty use comprises at least one radial carcass ply, a tread portion disposed radially outwardly of the crown region of the carcass plies and a crown reinforcing structure interposed between the tread portion and the crown region of the carcass plies. The crown reinforcing structure includes a belt assembly having at least a first, radially innermost and a second, radially outermost belt ply. The cords reinforcing the belt plies are preferably made of PET or PEN and have a linear density comprised between 2000 and 16000 Denier, a twist comprised between 2 and 7 TPI and a twist multiplier comprised between 3 and 5.

Abstract: A process for the purification of crude N,N'-diphenyl-p-phenylenediamine (DPPD), which comprises extracting crude DPPD with a hydrocarbon or hydrocarbon mixtures thereby forming an extract solution containing DPPD, passing the extract solution over an adsorption layer, and recovering purified DPPD from the solution.

Abstract: An apparatus for monitoring parts bonded by a bonder such as an RF bonder having tunable electrodes for delivering respective variable amounts of RF energy to respective portions of the bonded part includes a plurality of thermometers, at least one thermometer for each electrode, for measuring respective surface temperatures of the bonded part. The apparatus also includes an electronic digital computer that records and displays effects of tuning the electrodes and circuitry for interfacing the computer to the thermometers. The computer receives and processes temperature measurements generated by the thermometers and information on a dwell time of the bonded part in a nest with no power, the electrodes' temperatures, an ambient temperature, and a geometry of the bonded part, and the computer uses this information to determine the effects of tuning the electrodes.

Abstract: A tube connecting apparatus for grasping and heating to melt and alternately connect the cut ends of a plurality of tubes is disclosed. A first tube holder and a second tube holder for grasping the tubes are provided with a pair of clamps having holding portions for holding a plurality of tubes; each of the pair of clamps being moved into contact with, and away from, each other. One or both of the holding portions of the first tube holder and the second tube holder are formed of semi-circular separatable members and having a symmetry of rotation in relation to the center of the rotating axis, and have a grasping means for moving into contact with, and away from, the pair of clamps and have a rotating means for rotating the semi-circular holding portions of one or both of the first tube holder and the second tube holder.

Abstract: A self-contained apparatus for placement of discrete fiber element tows on a mandrel or other tooling. The apparatus carries a spooled fiber element supply, which is directed to a compaction roller over a short, non-convoluted path through a cut/add module having a knife assembly for severing a discrete tow from a continuous fiber element filament, and a drive assembly for feeding the tow and restarting feed of a new tow after severance of the prior one from the filament. The apparatus is particularly suitable for sequentially laying up superimposed, or stacked, tows to define rib-like stiffeners of composite material for reinforcing composite shell structures, and grids of such stiffeners. Methods of using the apparatus are also disclosed.

Abstract: A laminating device for manufacturing a laminated printed circuit board comprising a frame that supports sets of heated rollers along the path of movement of said laminated circuit boards while they are being manufactured. Each of said sets of rollers including two rollers. The rollers on one side of the path of travel of the printed circuit board blank are driven to move the blank through the device. The rollers are heated, and means are provided for selectively moving the rollers in each of said sets of rollers toward and away from each other to apply pressure to said printed circuit board blank.

Abstract: An electronic component feeder is provided for feeding electronic components in their stable position into an electronic component mounting apparatus and allowing the taking up of a top tape with high stability thus increasing the speed of component mounting action. As the top tape (4) is being taken up on a reel (42), a shutter (34) moves backward together with a slit (51) provided integral on the shutter (34). The turning in the tape take-up direction of the reel (42) is driven by the restoring force of a return spring (39). When the reel (42) has completed its take-up motion, the electronic component (1) can be picked up at a component pick-up location with the shutter (34) staying backward. A stationary roller (31) is provided between the slit (51) and the reel (42) and a movable roller (32) is provided for keeping the length of the top tape (4) between the slit (51) and the stationary roller (31) substantially constant.

Abstract: A window covering for mounting to the interior of a garage door window which will give the effect of a stylized window. The window covering comprises a central panel of desired material with a border of contrasting material attached thereto, wherein the border replicates a predetermined geometrical shape to give the effect of a stylized window and the border has attached thereto attachment tabs for attaching the window covering to the garage door. The attachment tabs are comprised of a front portion and a rear portion to define a loop therebetween so that the tab may be affixed to the garage door by fasteners placed through the tabs or by a rigid frame member placed through the loop and then the rigid frame member is attached to the door.

Abstract: Steering, tensioning and driving a revolving metallic casting belt in continuous casting machines wherein the belt travels along a generally straight casting plane P. Two two-axis robotic mechanisms are positioned at opposite ends of an exit-pulley drum, each including a "floating" housing carrying a bearing rotatably supporting a journal at the respective drum end. A drive shaft connected to one of the journals rotates the drum for revolving the belt. The robotic mechanisms adjustably position opposite ends of a rotating drum in X--X plane parallel with plane P for tensioning the belt and in Y--Y plane perpendicular to plane P for steering the revolving belt. These robotic mechanisms are controlled to operate in any of several modes: (1) "Walking-tilt" steering keeps the belt much closer to an exiting product than prior art, the belt being flatter and in better contact with the product for improving casting speed and quality.

Abstract: In a portable notebook computer a specially designed heat pipe-based heat exchanger assembly is used to efficiently dissipate heat from a processor board in the computer's base housing to ambient air surrounding the computer. The heat exchanger assembly includes a graphite fiber-filled outer heat exchanger body which includes a finned first portion that is exposed to the exterior of the base housing, and a second portion disposed within the base housing and thermally coupled to the processor board. The outer heat exchanger body is directly overmolded onto a thermosyphoning heat pipe having first and second longitudinal portions respectively encapsulated within the first and second outer heat exchanger portions. During computer operation, processor heat is conducted to the second heat pipe portions and is transmitted via the balance of the heat pipe to the finned outer heat exchanger portion for dissipation to ambient.

Abstract: An improved single shell boiler is provided. The single shell boiler includes a closed vessel for containing a liquid heat transfer medium, with the liquid heat transfer medium having a surface. A first bundle of heat source tubes is located in the closed vessel and is adapted to be submerged within the liquid heat transfer medium for heating and vaporizing the liquid heat transfer medium. A second bundle of tubes is located in the closed vessel in a position which is adapted to be above the level of the liquid heat transfer medium within the vessel to receive heat by condensation of vaporized heat transfer medium on the second bundle of tubes. A condensate distribution plate is positioned between the first and second bundles of tubes. The condensate distribution plate is adapted to approximately evenly distribute condensate droplets released by the second bundle of tubes to break-up froth on the surface of the liquid heat transfer medium to enhance vapor release from the liquid heat transfer medium.

Abstract: A heat exchanger utilizes a multi-hole flexible band of light metal which is formed, by extrusion, with a plurality of longitudinal small holes extending in parallel to one another from one band end to the other end. The longitudinal holes are connected at each of the end portions of the band, and both ends of the band is closed by welding to form a sealed cavity partly filled with a working fluid in partial vacuum. The sealed cavity may be in the form of a single long continuous passage, or in the form of parallel passages connected together at both ends. The multi-hole band is bent in such a shape that the band meanders between a high temperature region and a low temperature region. The thus-constructed heat exchanger is advantageous in heat exchanging performance, and capable of reducing the manufacturing and material costs, the weight of the heat exchanger, and improving the reliability.

Abstract: The cooling device of the present invention includes a casing divided into a first fluid passage and a second fluid passage by a fluid separation plate; a heat exchanger disposed to pass through the fluid separation plate, for receiving heat from high-temperature air flowing in the first fluid passage and for radiating the heat to the outside air flowing in the second fluid passage; an inside fan for blowing the high temperature air in the first fluid passage; an outside fan for blowing the outside air to the second fluid passage; and a thermistor for sensing a temperature of the high temperature air flowing in the first fluid passage. A rotational speed of each of the fans of the inside fan and the outside fan is variably controlled in response to a temperature detected by the thermistor with the controller. In this way, it is possible to cooling an interior of a closed box and to reduce the consumed electric power.

Abstract: A heat transfer tube with a cross-grooved inner surface used in refrigerators, air conditioners or the like and a manufacturing method thereof are disclosed. The heat transfer tube is formed in such a manner that the helix angle .alpha. of a primary spiral groove to the longitudinal axis of the tube is in the range of 10.degree. to 40.degree., the intersecting angle .beta. of a secondary groove to the primary spiral groove is in the range of 75.degree. to 105.degree., the ratio H/Hf of a height H of the secondary groove to a height Hf of the primary spiral groove is in the range of 0.5 to 1.0, the slope angle .gamma..sub.1 of an upstream slant face is in the range of 90.degree. to 105.degree. to the direction of the primary spiral groove, the slope angle .gamma..sub.2 of a downstream slant face is in the range of 30.degree. to 60.degree.