Abstract: A fail-safe coil ingition dwell control system for an internal combustion engine of the type employing a digital ignition advance computer, wherein the computer computes ignition advance angle data and stores current dwell data. The fail-safe system detects the absence of an ignition spark, as may be caused by a computer failure, and in the event thereof produces a control signal capable of triggering the engine power element, i.e. spark plug, and includes an output switching circuit at the output thereof for switching control of the triggering of the engine power element from the computer to the signal generator circuit in the event of a computer failure.

Abstract: In an rpm regulator for fuel injection pumps of internal combustion engines having a starting lever, which is coupled on one side with a delivery quantity adjustment member of the injection pump and on the other side of which an rpm tachometer contacts the starting lever with an rpm-dependent force counter to an arbitrarily variable force of a main regulator spring and also counter to the force of a starting spring which is included in series with the main regulator spring and deformable up to a particular stop, it is proposed to provide a further stop which urges the starting lever counter to the direction urged by the starting spring, whereby this second stop is adjustable in accordance with the temperature in order to regulate the starting quantity. The temperature of the coolant, of the lubrication oil, as well as that of a housing wall of the internal combustion engine may be employed for this purpose.

Abstract: A pressure lubrication system for an internal combustion engine, according to which lubricating oil is drawn out of an oil pan by means of an oil pump through a suction conduit which has an intake funnel and a filter. The intake funnel has an inner maximum diameter of about five times that of the cross section of the suction conduit. At its inlet opening, the intake funnel takes the shape of a circular, flat disc located in or parallel to the plane of the inlet opening.

Abstract: A dual rotor type rotary engine with primary and secondary rotor compartments around each rotor is described. The engine operates by activating in sequence an ignition means in the presence of a fuel and air mixture in primary and secondary compartments around one rotor and in primary and secondary rotor compartments around the other rotor. The engine is provided with a central housing between the rotors having a confined space for receiving hot exhaust gases from primary rotor compartments, for mixing with air introduced into the confined space and for conveying the mixture to secondary rotor compartments. The fuel, air and hot exhaust gas mixture in the secondary rotor compartments operates on a reduced amount of fuel by comparison to the fuel and air mixture in the primary compartments. The central housing preferably has air inlets on either side of the confined space to heat inlet air supplied to the primary rotor compartments by heat transfer from the hot surfaces and exhaust gases.

Abstract: An air/fuel ratio compensating device is provided for association with an internal combustion engine having a fuel control valve, air suction pipe means and pedal accelerator means, the compensating device including an area flow metal system made up of a flow detection valve positioned upstream in the air suction pipe means and operatively associated with the fuel control valve, a flow control valve positioned downstream in the air suction pipe means in series with the flow detection valve and being operatively connected to the accelerator pedal means, the area flow meter system enabling the difference in pressure existing on opposite sides of the flow detection valve to be maintained at a predetermined value to insure that the amount of air flow is proportional to the opening area of the flow detection valve thus permitting a determination of the amount of air flow on the basis of the opened area of the flow detection valve, a feedback control mechanism for controlling the area control flow meter and includi

Abstract: A grate for industrial furnaces wherein each row of grate bars includes alternating stationary and reciprocable bars. The stationary bars which flank a reciprocable bar are connected to each other by a bolt which extends transversely of the stationary bars and of the reciprocable bar therebetween and has hook-shaped end portions or screws engaging the inner sides of ribs forming part of the stationary bars and adjacent to the respective side of the reciprocable bar. The median portion of the bolt extends through elongated slots in the ribs which are provided at the underside of the reciprocable bar. The latter moves with respect to the bolt and with respect to the adjacent stationary bars.

Abstract: A field burning vehicle providing a downwardly opening cavity for covering a burning area, with mechanism for withdrawing the combustion products from said cavity and forcing them through a high temperature furnace to burn the solids therein, and thereafter directing the clean hot gases onto the field forwardly of said cavity to elevate the temperature thereof prior to its being covered by said cavity.

Abstract: A combination roof structure and solar collector for a building having vertical side walls and end walls. A plurality of laterally spaced trusses or bar joists extend from one wall to an opposite wall. A translucent panel is carried on top of the upper members which form part of the truss providing a roof surface for the building while permitting solar energy to pass therethrough. Panels are attached to elongated lower members forming part of the truss so as to define a chamber between the upper members of the truss and the panels. A solar energy absorbing surface is carried above the panels attached to the lower members. Insulation is provided between the solar energy absorbing surface and the interior of the building for insulating the interior of the building from the chamber. Air is circulated through the chamber for absorbing heat from the solar energy absorbing surface and the heated air is supplied to the interior of the building or to a rock storage.

Abstract: A portable water container which incorporates a solar heating panel. One wall of the portable container consists of an outer transparent/translucent panel and an inner heat-absorbing panel which is spaced from the outer panel. The inner panel may be ribbed or otherwise formed to improve heat-exchange.

Abstract: The invention relates to reflective means for use in solar energy utilizing apparatus and including reflective surfaces comprising two or more adjacent parallel troughs having inner surfaces with a reflective layer or coating, said troughs also having wall edge portions secured together to provide at least one inner wall and two outer walls, the cross-section of each trough being a portion of a parabola, said outer walls of end troughs following a longer portion of a parabola than the inner walls. Thus, the cross-sectional configuration of a twin trough arrangement resembles a letter "W".

Abstract: A solar energy concentrating collector having at least one reflector surface and at least one substantially planar vertical absorbing means coacting therewith for the purpose of absorbing reflected solar rays, said absorber being at least partially located in a plane coincident with the nadir of the reflector surface, the absorber surfaces being continuous and at least portions of one fluid conduit, and at least one horizontal extension of said continuous absorber surface being below said coacting reflector surface.

Abstract: A liquid containing carbon particles in a predetermined concentration is circulated through a multiplicity of channels in a solar panel to heat the liquid which is then circulated through a heat exchanger. The solar panel is clear and uncolored, and the surfaces of the panel contacting the liquid are wetted with a wetting agent added to the liquid. The carbon particles are also wetted. The liquid is uniformly distributed through all the channels in the panel.

Abstract: A surgical retractor wherein a plurality of segments are strung together on a strand which may be tensioned; the segments are separated from each other by spacers also strung on the strand; the mating surfaces of the segments are concave and the intervening spacers are convex; tensioning of the strand causes the segments and spacers to frictionally engage each other and rigidize the attitude of the segments with respect to each other.

Abstract: The face lifting equipment includes a hairpiece with comb for holding the hairpiece on top of a woman's head. A strip of material including VELCRO is secured at its central portion to the underside of the hairpiece and its top surface made accessible by bending up opposite portions or wing portions of the hairpiece. Elastic bands terminating in adhesive elements include VELCRO pads for connection to the VELCRO on the strip. The adhesive pads adhere to the woman's skin adjacent to her temples to pull upwardly on the skin and thus remove wrinkles and the like. The use of VELCRO provides an infinate number of positions for securement of the VELCRO pads so that a very fine control of the tension in the elastic members can be realized.

Abstract: A manually operable resuscitator includes a manually deflatable gas reservoir to supply gas to a hollow valve housing for controlled supply to and from a patient. The housing has three ports, a first one for connection to the reservoir, a second one for supply to the patient and a third one for exhaust to atmosphere. A distensable diaphragm which is distended by pressure in the reservoir to open the first port and close the third port. A non-return valve controls flow from the first port to the second port. The diaphragm may carry a valve to permit flow from the first to the second port if pressure drops in the latter as the patient inhales.

Abstract: The present invention relates to improvements in the portable, positive-pressure artificial respiration apparatus and, more particularly, to improvements in the air passageway systems of such apparatus by using a dual control valve.

Abstract: A capsule for discharging drugs into a live body or collecting samples from the body comprises an external cylinder having slidably mounted therein an internal cylinder. The internal cylinder is retained by a meltable thread at one end of the external cylinder against the biasing force of a compression spring and upon melting of the thread, the spring effects sliding of the internal cylinder to the other end of the external cylinder and during this sliding movement, a drug is pushed out of the external cylinder ahead of the moving internal cylinder or a body sample is withdrawn into the external cylinder behind the moving internal cylinder. An electric circuit including a tunable receiver responds to an externally transmitted electric signal to energize a heater for melting the thread to thereby effect sliding movement of the internal cylinder at the desired time.

Abstract: A process for the removal of toxins from the body in a continuous manner while the patient is totally ambulatory. The process involves the infusion of a dialysate fluid under prescribed conditions into the peritoneal cavity. The toxic solutes are transported across the peritoneum membrane into the dialysate fluid by the natural processes of diffusion and convection. The dialysate fluid and the toxins are then removed after a prescribed residence phase. Apparatus includes an indwelling balloon catheter surgically implanted within the peritoneal cavity of a patient, a dacron cuff surgically attached to the abdominal wall, and an external quick connect coupling attached to the catheter. Apparatus may also include a wearable microbiological filter unit for reducing the risk of peritonitis during infusion of dialysate fluid.

Abstract: In a through-the-cannula catheter placement system, a catheter is used which comprises a body portion and a tip portion at one end of the body portion. The body portion has a double-wall structure. The outer wall is a tube of pliable, nonthrombogenic material. The inner wall is a reinforcing tube of a material having sufficient resilience to avoid collapse during use. The tip portion is also made of a pliable nonthrombogenic material. The tip may be an extension of the outer wall.

Abstract: The object of the invention is to provide an improved absorbent means that can be used in a catamenial device.The improved absorptive means comrpises a foam means having an absorbency improvement means at least arrayed on the surface of the foam means wherein the absorbency improvement means is adherent to the foam, hydrophilic, and has a high surface area. The foam means is preferably cut into small blocks made of hydrophilic polyester foam or hydrophilic polyurethane foam. Absorbency improvement means is preferably cellulose fibers.A tampon incorporating the improved absorbent means has overwrap 11 containing an aggregate absorbent body 12 comprising foam blocks coated with fibrous material 16 and ancillary absorbent material 17. The overwrap 11 is sealed by a side seam 13 and knotted at one end with a withdrawal string 15.

Abstract: A compact and inexpensive air catheter having particular application as an improved male incontinence device. The catheter herein disclosed includes a relatively thick outer tubular sheathing and a collapsible, relatively thin inner tubular sheathing. Inner and outer sheathings are concentrically arranged relative to one another. The region of the catheter between the inner and outer sheathings forms an annular air chamber, which chamber is adapted to be inflated, under pressure, in order to collapse the inner sheathing around a user's organ, whereby an efficient air and liquid-tight seal is formed therewith, regardless of the shape or size of the organ. The region of the catheter that is defined by the interior of the inner sheathing forms an axially extending urine drain passage for the purpose of conveying the user's urine to an external urine collection means.

Abstract: A knife particularly adapted for use in removing the semilunar cartilages from the knee has an elongated handle-engaging shank and two cutting blades fixed forwardly thereon. A first of the blades is flat transversely and concave longitudinally in extension of the shank with a curvature generally conforming to the curvature of the outer surface of the meniscus, and has a cutting edge at its front end. The second blade is integrally joined to the first blade along one edge thereof and is disposed at a right angle to the concave side of the first blade, and tapers rearwardly from its forward cutting edge toward the shank. A guide member projects forwardly from the point of intersection of the cutting edges of the two blades.

Abstract: A medical electrode for stimulation iontophoresis monitoring and grounding electrical contact application to the skin surface of humans and animals may be provided having an electrically conductive substrate for interfacing with the skin, an electrically conductive stranded material may be secured to one side of the substrate and an electrically conductive knitted filament material sewn to the stranded material; preferably, a hooked connector is utilized for making an electrical connection with the knitted filament material, this connector being attachable and detachable by means of the coaction of its hooks and knitted filaments.

Abstract: A Doppler scan is made of a person's blood vessels, a recording is made of the resulting plural-frequency sounds, and then successive aural sensings of selected frequency-range portions of that Doppler scan recording are made.

Abstract: A cardiotachometer for indicating heart rate of a user in beats per minute. The cardiotachometer comprises a sensor, placed on the body of the user, for producing an electrical signal indicative of the heart rate of the user. Circuitry is provided for converting the electrical signal into first and second digital signals. 60/t computation circuitry responds to the first and second digital signals and produces a third digital signal having a varying frequency representative of the number of heart beats per minute. An up-counter converts the third digital signal into a plurality of binary number signals, each bit of which is stored in a series of shift registers. A compare using a plurality of exclusive OR gates, compares each of the stored binary number signals with the most recent binary number signal, from the up-counter, to determine if a plurality of compared signals are within a predetermined percentage of each other.

Abstract: The invention relates to an ashtray having improved cleaning and safety features. The ashtray comprises an outer shell in which is disposed a tray having a centrally located pedestal. The ashtray includes cylindrical openings for rapidly snuffing out smoking elements and also grooves formed in the tray which function to facilitate snuffing out the smoking elements.

Abstract: A hair curler comprising a flattened parallelepiped shaped body having convexities on the wide faces and concavities on the narrow faces and means for hooking a rubber band arranged for fastening a lock of hair wound on the hair curler.

Abstract: An integrally-formed coin holder useful for the packaging and dispensing of predetermined numbers of coins has a generally C-shaped cross-section elongate body, lips at the mouth of the body and end closures defining generally C-shaped openings in each end of the body. The coin holder includes elongate bar-like panels extending from end to end and longitudinally-spaced radial ribs interconnecting the bars and the remainder of the body.

Abstract: An improvement in the method of transporting viscous hydrocarbons through pipes is disclosed. Briefly, the improvement comprises adding water containing an effective amount of a combination of an ethoxylated alkyl phenol and a low molecular weight alkaryl sulfonate. The resulting emulsion has a lower viscosity and is more easily transported.

Abstract: A fuel flow distribution system having a hydraulically actuated flow sensing valve, a hydraulically operated switch assembly and at least one hydraulically operated on-off valve assembly. These elements are operably connected to a metered flow manifold and a plurality of distributor lines. The flow sensing valve supplies fuel to the manifold. Various flow rates of the fuel within the distributor lines causes the flow sensing valve to emit a signal. Upon receipt of this signal the switch assembly transmits the signal to the valves making up each valve assembly. The on-off valve assembly (assemblies) alters the flow restriction at the distributor lines in such a manner as to limit the change of pressure therein.

Abstract: A water pressurizing system for use where water pressure from the main is too low. A tank has an inlet for water with a check valve and a discharge outlet for consumption. A gas supply is provided for pressurizing the tank. In the gas supply line there is a U-shaped duct with a float valve in the duct for cutting off the gas supply when the tank is full.

Abstract: This invention relates to a pressure plug for sealing a service valve fitting aperture in a fully pressurized fluid transmission pipeline to enable service valve fittings to be replaced without interrupting the flow of fluid in the transmission pipeline.The plug, which is located below an elongated main shaft, is comprised of spaced apart cap members having a compressible or resilient material there-between and an inner shaft extending longitudinally through the central axis of the plug so that when a nut associated with the inner shaft and plug is tightened it expands the plug making it larger in diameter than the service valve fitting aperture in the pressurized pipeline. The fluid pressure forces it against the inner wall of the pipeline, thus sealing the aperture.

Abstract: A valve or curb service box having different sized pairs of opposed openings shaped to conform to the cross section of a valve body thereby securing the valve against substantial rotation from a desired vertical orientation, each opening being provided with a detachable cover which may be removed from any pair of opposed openings to accommodate a valve of complimentary shape and dimension and which when unremoved on adjacent openings provides bearing surfaces for back-fill thereby providing both structural strength for the valve housing against distortion and a barrier against intrusion of fill around the valve housed therewithin.

Abstract: A control valve is provided which is adapted to be connected between a pressure source, such as vacuum pump, and a pressure vessel so as to control the pressure in the vessel. The valve comprises a housing having a longitudinal bore therethrough which is connected between the pump and vessel, and a transversely movable valve body which controls the air flow through an air inlet in the housing. The valve body includes cylindrical and conical shaped portions which cooperates with reciprocally shaped portions of the housing to provide flow control. A filter disposed in the air inlet filters out foreign matter in the air. The bottom end of the valve body screws into the valve housing control knob formed integrally with the valve body controls translation of the valve body and hence opening and closing of the valve.

Abstract: A manually set relay valve for controlling fluid flow to and from a valve actuator. A slide valve (60) is manually pulled outwardly to the set or open position and held therein by pilot pressure applied to a piston chamber (46) through a passage (104) in the slide valve. When the slide valve is tripped to the closed position due to an interruption of pilot pressure, a cross port (106) of the fluid passage vents the piston chamber to maintain the relay closed until manually reset.

Abstract: In accordance with the present invention an air inlet and outlet valve is disclosed which automatically opens and closes when a bottom operable tank lading valve is opened and closed. The air valve is mounted adjacent the top of the tank and is in fluid communication by means of a conduit with an opening in the tank. The air valve is automatically opened and closed when the lading valve opens and closes by means of an air valve linkage including an operating shaft which extends from the lading valve up through the tank to operate the air valve. The air valve is located in a chamber in the upper portion of the tank and seats on a valve seat located in the lower portion of the chamber.

Abstract: In accordance with the present invention an air inlet and outlet valve is disclosed which automatically opens and closes when a bottom operable tank lading valve is opened and closed. The air valve is mounted adjacent the top of the tank and is in fluid communication by means of a conduit with an opening in the tank. The air valve is automatically opened and closed when the lading valve opens and closes by means of an air valve linkage including an operating shaft which extends from the lading valve up through the tank to operate the air valve.

Abstract: A damper valve and more particularly an improved damper valve including purge means for the prevention of leakage therepast.

Abstract: A pipe thread connector of resilient deformable material has a sleeve or tubular shape with radial ribs projecting from the sleeve. The protector is driven upon the threads of the pipe and the geometric configuration of the sleeve changes because the sleeve is bent between the ribs. This bending keeps the ribs in tight resilient contact with the threads.

Abstract: A manifold with a knitted resin impregnated sleeve that is fabricated as a ontinuous unseamed configured sleeve and installed in the manifold to produce a seamless structure. The sleeve is knitted or woven from conventional materials and then install in the manifold to provide insulation for the manifold structure.

Abstract: A discrete tube is provided which can be readily torn into a length of coiled insulation wrapping. The tube comprises at least two plies of a firm, foamed thermoplastic polymer web which has been set into a coiled configuration. The plies are welded together on their radially facing adjoining surfaces to form the tube, but the plies are offset and the axially facing edges of each ply are not welded together, such that the non-welded edges form a junction line along a central portion of the radially facing edge of the adjacent ply.The tube is preferably formed by heat sealing the two plies together, while simultaneously heat setting each ply into the coiled configuration. The laminated coil resiliently maintains the desired configuration.

Abstract: Papermachine clothing, for instance, a loop of imprinting fabric, is disclosed which is so woven that a top-surface-plane thereof is defined by coplanar crossovers of filaments of at least two sets of filaments (i.e., warp and shute filaments) and so that sub-top-surface crossovers are distributed in a predetermined pattern throughout the clothing. Specific weaves are disclosed wherein the top-surface crossovers act corporately to define a top surface comprising a bilaterally staggered array of wicker-basket-like cavities which cavities each span at least one sub-top-surface crossover. Such clothing is particularly useful for making soft, absorbent paper of relatively low density, and relatively isotropic stretch properties when creped.

Abstract: A weft yarn feeder for use in a shuttleless loom has a spool and a spindle extending rotatably through the shaft of the spool and supporting a pair of drive gears. A plurality of yarn rods jointly defining a generally cylindrical configuration around which a weft yarn is to be wound extend axially along the spool shaft. The end portions of the yarn rods are connected eccentrically to angularly spaced driven gears rotatably mounted on the flanges of the spool and with which the drive gears are held in driving mesh. The yarn rods and the driven gears are connected by pins extending loosely through radial slots in the spool flanges. The yarn rods are movable radially outwardly or inwardly in response to the turning of a knob fixed to the spindle.

Abstract: Apparatus adapted to be connected to the free end of a boom carried by an appropriate vehicle for bulk lopping of trees, such for example as during forest thinning and for substantially simultaneous bucking and prestacking thereof. The apparatus includes a frame adapted to be connected to the boom, at least one pair of lifting and lopping arms pivotally mounted to respective elongate pivot members of the frame, the arms extending downwardly in an open position and movable inwardly to a closed position for engaging and suitably locating the trunks of the trees therebetween. Structure for feeding tree trunks through the apparatus include roll units fixed to the frame as well as roll units movably mounted on the frame, the latter being movable between a first open position for receiving the tree trunks engaged by the lifting and lopping arms and a second closed position defining an adjustable feeding pocket.

Abstract: An apparatus for arranging and supplying screws comprising a trackway for aligning a plurality of screws, a conveyor for receiving aligned screws from said trackway, conveying them to a point of use and a regulator device for allowing only one screw at a time to be conveyed to the point of use of the screw.

Abstract: A woodworking machine to convert round logs to square or rectangular cants by initially cutting with initial chipping cutters pairs of adjacent grooves respectively in the opposite upper and lower surfaces of each log to form corners of said cant thereon and also form the side edges of four boards to be sawed from the log incident to forming the cant, and then delivering the log to a conveyor extending between the inlet and discharge ends of the machine and having support elements thereon complementary to the lower cant corner of said logs and additional series of guide elements above and coextensive with said conveyor which engage the upper corner of said cant on the log, whereby the log is securely and accurately held between said conveyor and guide elements during a single passage through the machine during which, downstream from the inlet end of the machine, additional chipping cutters form other pairs of grooves respectively in the opposite sides of said logs to define side corners of the cant and also r

Abstract: A portable hydraulic log splitter in which first and second splitting wedges are mounted in fixed positions relative to one another on a fixedly positioned supporting "H" beam. A ram is slideably mounted to the upper and lower flanges of the "H" beam for movement between the first and second splitting wedges. A two-way hydraulic cylinder means controls the ram for alternately forcing supplied logs against the first and second splitting wedges respectively. In a preferred mode of operation the two-way hydraulic cylinder means is comprised of first and second two-way hydraulic cylinder means disposed on opposite sides of the "H" beam and connected to the opposite sides, respectively, of the ram means for applying a substantially equal force to each side of the ram.

Abstract: A system for producing veneer from deteriorated or hollow core logs. The log is rotated about its longitudinal axis in a lathe by means secured to the log at or near its outer circumferential surface. Two kerfs are cut around the circumference of the rotating log and the veneer blade is then brought to bear against a portion of the rotating log between the kerfs such that a sheet of veneer is cut from that log portion. The length of the veneer blade is no less than the distance between the inner kerf edges and no greater than the distance between the outer kerf edges.

Abstract: A method and apparatus for edge-trimming a board by means of an edger having two cutter heads adjustable in relation to each other in which the cutter heads are arranged to be movable in a direction transverse to the movement of the board while it is passing the edger. The movement of the cutter heads is controlled in such a manner that a trimmed board of optimum width is obtained.

Abstract: The compositions use oxidizers of HMX, RDX, ammonium nitrate, ammonium picrate and ammonium bitetrazole, and binders of lauryl methacrylate, glycidyl methacrylate, hydroxyethyl methacrylate, vinylene carbonate, polyformaldehyde mixtures were vinylene carbonate, and urethanes of polyethylene glycol and polyphenyl methylene isocyanate.