Abstract: A cart type conveying apparatus comprising a guide rail having a substantially U-shaped section and including upper and lower horizontal extensions, and a conveyor cart including trolleys guided by the guide rail. The upper and lower extensions define guide grooves, respectively. Supporting wheels and centering rollers attached to lower positions of the trolleys are fitted in the guide grooves defined in the lower extension, and retaining wheels and centering rollers attached to upper positions of the trolleys are fitted in the guide groove defined in the upper extension.

Abstract: A golf cart propelling system includes a rail formed by a plurality of channel members, each having a U-shaped cross section defined by spaced side walls joined at lower ends thereof by a bottom wall. The side walls have at upper ends thereof flanges extending inwardly toward each other and defining therebetween a longitudinal groove. The channel members are buried in the ground to define a rail extending through selected locations of a golf course with portions of the flanges flush with the ground surface and with the longitudinal grooves of the channel members defining a continuous rail groove. A golf cart has front and rear wheel members running on the flange portions of the rail. Each wheel member has a width no greater than the width of the exposed flange portions. The golf cart is prevented from falling sideways from the rail by at least one vertical shaft attached to the golf cart and extending downwardly therefrom through the groove into the interior of the rail.

Abstract: A switching mechanism for use in a transit system employing vehicles (10) traveling on a guideway (12), the switching mechanism includes forward and rearward switching subassemblies each having upper (32) and lower (36) switch arms. The upper switch arms include switching wheels (34) which selectively engage switch channels (42) positioned on opposite sides of the guideway to cause the vehicle to follow a selected path on the guideway (12). A stabilizer mechanism (90) for biasing the switch arms into operating position is provided.

Abstract: An automatic, rail-based passenger and cargo transportation system which is particularly well suited for use as a moderate speed people mover is disclosed. The system includes a rail structure on which passive carrier cars are movably supported from opposite sides of the rail. In one aspect a plurality of drive wheels are rotatably mounted to the rail assembly and span across the width of the rail structure so as to drive the carrier cars along the rail in opposite directions on opposite sides of the rail. In another aspect of the invention, the carrier cars are cantilever supported from the sides of the rail so as to cause gravity biasing of the cars inwardly such that a shoe is forced into driving engagement with alternating toothed and smooth drive wheels mounted in the rail framework and sufficiently spaced so that only one toothed drive wheel interengages with the shoe assembly at any time.

Abstract: To detect impending deropement of a wire haul rope from supporting sheaves in an aerial tramway system, there is provided a magnetic assembly having sufficient field strength to support itself in a predetermined position by reason of attraction to the wire haul rope when running normally in the sheaves. When the wire haul rope begins to run off one of the sheaves toward an impending deropement, the magnetic assembly will fall from its armed position to a substantially moved position. The magnetic assembly carries at least one position-responsive switch which interrupts a detection circuit when the magnet moves to the moved position. The interruption of the detection circuit is utilized to detect the location of the potential deropement and to terminate tramway operation.

Abstract: A pallet having feet anchored to a platform by locking rings wherein each foot comprises a hollow tapered cup-like shape with a flange near the top of the foot, wherein the flange includes a plurality of slots, wherein each locking ring includes a flange of size and shape equal to the flanges of the feet, wherein each locking ring further includes a plurality of hooks which are insertable into the slots of the foot flange, and wherein the flange of each foot engages the underside of the platform while the flange of each locking ring engages the top side of the platform.

Abstract: Structures are constructed and arranged on a camp site to provide shelter to evacuees seeking survival, as a GROUP, in case of a nuclear attack on or near their city. The construction, disposition, arrangement and shapes of the structures are such that people inside these structures are not affected by the blast of the nuclear explosion, for peak overpressure levels well above those which conventional structures cannot survive. The structures and the camp site are equipped to provide the elimination of fallout dust in a short time so as to bring the total exposure of the evacuees to radioactivity levels low enough to be safe, until the radioactivity within miles has decayed down to levels acceptable for long time exposure. The sheltering structures are interlinked to provide a quasi normal indoor way of life during the period of necessary confinement of the evacuees, so that no evacuee feels the urge to leave the protection provided within the compound against the surrounding grounds radioactivity.

Abstract: A fire grate is adapted to support a combustible mass. It is inclined longitudinally from a feed end at which it receives the combustible mass to a discharge end. It comprises a plurality of elements disposed in transverse rows alternately fixed and mobile. Each element is rectangular in plan and has a top side and a bottom side, openings by means of which the top side and the bottom side communicate, and a generally transversely oriented front protuberance on the top side in the vicinity of its transverse edge at the feed end. All the openings are in a dorsal surface of the front protuberance facing the discharge end.

Abstract: The invention relates to an air-cooled combustion chamber wall for combustion furnaces. The combustion chamber wall comprises at least one masonry wall with a space in the middle for the passage of cooling air along the side of the wall away from the combustion chamber side. To create a simple, stable and effective structure, the invention proposes that the masonry be made of bricks, whose walls enclose at least one air duct.

Abstract: A pressurized cyclonic combustion method and a cylindrical burner apparatus for pressurized combustion of particulate solid fuels to produce a pressurized clean effluent gas. In the burner, the particulate solids such as wood chips are fed tangentially into a primary combustion chamber at its inlet end and flow at high tangential velocity in a helical path through the burner. Oxygen-containing combustion gas such as air is supplied tangentially at high velocity through multiple ports spaced along the burner length to maintain and/or increase the high tangential velocity and produce high centrifugal forces on the particulate solids and provide for prolonged combustion and produce high burner volumetric heat release rates exceeding about 400,000 Btu/hr ft.sup.3. A choke opening is provided centrally located at the combustion chamber outlet end for promoting prolonged combustion of solid fuel particles upstream of a quench zone. A secondary combustion chamber is provided downstream of the choke opening.

Abstract: A planting tool especially for minimum tillage operations has a leading rolling coulter and an elongated, rigid knife behind the coulter to hold open a slot cut in the soil by the coulter. Blades mounted on the vertical knife cut lateral slices in the soil extending outwardly from each side of the slot and between the soil surface and the slot bottom. A fertilizer conduit deposits a band of fertilizer in the bottom of the slot and seeds gravitate through a seed tube onto a V-shaped deflector which directs them in both directions into the lateral slices in the soil. Press wheels mounted on the knife close and recompact the soil after the seeds are planted outwardly and above the band of fertilizer in the slot. The press wheel also serves as a gauge in conjunction with a flexible tool mount to regulate the depth of operation of the tool components relative to the soil surface.

Abstract: A looper apparatus for a multiple needle tufting machine in which the bill of each cut pile hook is shaped to have a rear straight cutting portion and a free end portion transversely offset from the cutting portion to seize a loop from a corresponding needle and guide the loop along a path offset from the normal longitudinal row of stitching in order to extend the side of the loop on the cutting side of the hook so that, when the loop is cut, the legs of the cut pile tuft will be substantially equal.

Abstract: A looper throw out mechanism is provided for bodily moving sewing machine loopers from their normal operative position to a servicable position and back. The looper throw out mechanism includes a looper carrier pivotally arranged on the looper drive shaft, a fork like member attached to the looper carrier, a control disc disposed in operative combination with the fork like member for defining the angular displacement limits of the looper carrier, and a manually operated locking device for releasably securing the looper carrier to the looper drive shaft. When looper servicing is desired, the locking device is released by the operator permitting the looper carrier and the loopers to be pivoted to a serviceable position removed from their operative position.

Abstract: A fully rotating hook includes an outer member or rotary loop taker having a track groove therein and an inner shuttle member or bobbin case a projection extending into the groove. A spaced relation between the track groove and the projection is maintained by feeding compressed air into a clearance therebetween. The compressed air is fed through a plurality of air holes opening into the track groove to direct air jets to upper, lower and radially outermost surfaces of the projection on the bobbin case. Furthermore, the loop taker is rotated on a hollow shaft which has an air passage therethrough for feeding compressed air to the plurality of air holes which open into the track groove of the loop taker.

Abstract: A sewing machine with a needle bar mounted in a rocker, has a step motor drive for the oscillation of the rocker. A memory is used in which are contained selected digital data for influencing the step motor and a control unit is inserted between the memory and the step motor for selection and conversion of the digital data into stepping pulses for the step motor. A pulse generator operating synchronously with a main shaft of the sewing machine is used for triggering the transmission of stepping pulses to the step motor. To improve the drive transmission and to avoid reactions on the step motor, the step motor is connected to a lever arm of the rocker via an eccentric transmission.

Abstract: A three hulled sailboat consists of a tripod frame having three generally horizontal spars which define support points at their distal ends. During the sailing of the boat, one support point is always toward the windward, and the other two support points are leeward. A generally vertical mast supported on the frame has a masthead spaced equidistantly from the two lee support points and generally above the windward support point. Three buoyant hulls are coupled to the respective support points, the hulls being elongated with a high length-to-beam ratio, and being symmetrical about a transverse vertical plane for movement through the water in either direction. The hulls are coupled for independent rotation and steering relative to the frame and also for independent pitching relative to the frame about transverse central axes. Independent steering is provided for each of the three hulls relative to the frame.

Abstract: The invention relates to a rig for a windsurfing board in which the clew (8) of the sail (2) prior to tensioning and trimming of the sail (2) is fixed in location in a stern fitting (10) of the wishbone boom (3). The stationary fixing can either be done preprogrammed with the aid of a scale, whereupon the wishbone boom (3) is fixed to the mast in that it is pushed downwardly from above and engaged, or a fixed point is established which holds the clew (8). In this embodiment the trimming of the said (2) is made in the bow fitting (11) in that the connection (15) between the mast (1) and wishbone boom (3) is constructed in such a manner that the mast (1) is displaceable longitudinally to and fro with respect to the wishbone boom (3) and lockable.

Abstract: An apparatus for furling a sail on a sailboat having a mast includes a stay extending between the deck and the mast on the sailboat, a hollow shaft loosely fitted over the stay and supporting the side edge of the sail, the hollow shaft being rotatable about the stay such that the sail can be wound and unwound about the hollow shaft, at least one ring member disposed around the shaft and having an opening which permits the sail to move onto the shaft therethrough, and wire ropes extending between the deck and mast on the sailboat and supporting the ring member about the shaft.

Abstract: The present invention provides a method of automatically controlling a sailboat having at least two soft sails, including the steps of sensing the wind direction to determine an angle of sail in each of the sails, sensing tensions and/or vibrations in each of the sails to adjust the curvature of that sail, and sensing the wind velocity to take in the sails. The present invention also provides an apparatus of automatically controlling a sailboat having at least two soft sails, including a wind direction sensor, a sail angle adjusting device connected with each of the sails and responsive to the output of the wind direction sensor to adjust an angle of sail in the sail, a sail angle sensor for identifying the adjusted angle of sail, a tension and vibration sensor connected with a sheet of each of the sails, and a curvature adjusting device responsive to the output of the tension and vibration sensor to adjust the curvature of the sail.

Abstract: A small boat hull having fore and aft sections pivotally joined along an axis to permit one section to be swung into superimposed relationship with the other section. Locking screws extend through and join wall structures of the two sections to secure the sections in mutual alignment during boat use. A bulkhead at the interface of the fore and aft sections includes both the wall structures and an attached flexible member extending across the opposing ends of the hull sections. A platform supports the folded hull sections in place on a vehicle. The locking screws may be additionally used to secure the folded hull sections in place on the platform.

Abstract: A duck blind adapted for mounting on the gunwales of a boat hull includes separate bow, stern and central frame sections adapted for use on various size boats. Camouflage designed cover sections with windows are provided for each frame section and are removably connected by zippers to provide a cover over the entire boat. Desired access points or shooting stations from the boat to the outside are obtained by the stragetically arrangement of zippered fasteners. A reticulated camouflage type curtain is arranged inside the cover sections to provide concealment for the hunter when designated cover sections are unzippered. A separate zippered section in the central cover provides ingress and egress for the hunter's dog and the reticulated curtain can be arranged by appropriate zippering to provide an enclosure about the dog's station within the boat to protect the hunter from the water spray when the dog returns to the boat from the water and shakes itself off.

Abstract: Apparatus for thermal transfer with a semiconductor wafer in a vacuum processing chamber includes a platen with a surface for supporting the wafer, a clamping ring for clamping the wafer to the platen, and passages for supplying a low pressure gas into a thermal transfer region between the wafer and the platen surface. A low compliance seal surrounds the thermal transfer region and inhibits the gas from reaching the processing chamber without overstressing the wafer. The seal includes an elastomer ring having an elongated cross-section, and a sealing groove having a first groove portion for gripping one edge of the ring and a second groove portion which receives the other edge of the ring by bending deformation thereof when a wafer is clamped to the platen. In a preferred embodiment, the ring has a parallelogram-shaped cross-section and is oriented at an acute angle to the platen surface.

Abstract: Apparatus for applying partial surface coatings to textile substrates, particularly adhesive compounds in fixing inset technology. A cylinder rotatable about a cylindrical axis has inner and outer cylindrical surfaces with perforations extending through these surfaces. A coating head mounted inside the cylinder has a coating nozzle adjacent and facing the inner surface. The head includes a feed duct, a main duct extending from the feed duct and an opening chamber extending from the main duct. The opening chamber is bounded by two sealing lips adapted closely to the inside of the cylinder, supported by a mounting structure for the chamber and defining an outlet opening therebetween for controlling flow from the chamber. The structure has rods attached to the lips and adjustably coupled to the coating head to enable the opening to be adjusted in width.

Abstract: A rack for supporting articles being surface treated includes a device for locating and supporting at least two rows of articles with the articles of one row being in alternating, staggered and partially overlapping relationship with the articles of the other row. Preferably, the article rack is used in high volume manufacturing processes wherein a plurality of articles to be treated are placed on the rack which is immersed in a treating solution. The structure of the rack in combination with solution vibrating means enables the articles to be supported, separated and treated.

Abstract: Magnetic brush development apparatus for applying developer material to a latent image on a photoconductor includes a housing having a sump which receives a supply of developer material. A magnetic brush spaced from the sump applies the material to the latent image of a photoconductor as the photoconductor is moved past the magnetic brush. Developer material is fed to the brush through an elongate feed slot adjacent to the brush. A feed mechanism delivers developer material from the sump through the slot to the magnetic brush. The feed mechanism includes a rotatable shell and a plurality of magnets that are located within the shell and attract developer material to a portion of the shell. The shell has a deeply fluted outer surface that holds the developer material attracted to the shell as it is delivered from the sump to the slot. The fluted outer surface also assists in removing excess developer material from the area adjacent the slot.

Abstract: A composition of ground clay and crushed limestone is disclosed. The composition is particularly useful as a cat litter.

Abstract: A teat cup claw includes a milk inlet section with four separate compartments each of which are communicable with the interiors of a claw bowl upon which the milk inlet section is mounted. A valving member is provided for each compartment of the milk inlet section, the valving member being normally closed and adapted to open when a pressure differential across it exists. The valving members independently isolate the inlet section from the claw bowl if for any reason milking vacuum in teat cups to which the claw is connected falls. A cam ring can be provided to hold all valves open during washing cycles.

Abstract: The automatic animal feeder is adapted to provide food and water to an animal on a periodic basis. The feeder has a base. A tray is rotatably mounted on the base, and the tray has a plurality of food and water containers. A motor is connected to rotate the tray and a timer causes periodic operation of the motor. A cover assembly is removably secured on the base to cover portions of the tray.

Abstract: A heat exchanger (16) for a thermal power source includes a chamber provided with an igniter and a reactant inlet. Within the chamber is a mass of lithium pellets, each provided with a coating.

Abstract: A gas fired hot water heater includes a housing enclosing an internal chamber divided by a vertical partition into two compartments, the partition having a top edge spaced below the top of the chamber. One of the compartments has a gas burner in the lower portion with an adjacent combustion air intake vent. A first heat exchanger is located in the same compartment above the gas burner but below the top edge of the partition, and a second heat exchanger is located in the other compartment at substantially the same horizontal level as the first. The two heat exchangers are connected in series. Condensate collection means is provided in the other compartment below the second heat exchanger to collect condensate forming on the second heat exchanger and to duct the condensate out of the housing. A flue pipe ducts flue gases from the housing, and a blower is provided to blow the flue gases through the flue pipe.

Abstract: The present disclosure is related to a structural improvement in the burning chamber of a horizontal boiler, adopting a hollow flame-conducting element therein, which is attached with a pair of parallelly spirally fixed heat-convecting fins for either increasing the heat-absorbing area subjected to the emitted flame from the flame-generating device or creating a whirlpool effect for the propagating flame so that the flame can come into contact with the wall of the burning chamber in a more ideal way and change its propagating direction more smoothly at the corner, resulting in an increase in the thermal efficiency of the boiler, in such a manner that energy consumption as well as a pollution problem can be alleviated greatly.

Abstract: A heat exchanger device for drying and then superheating steam, has a cylindrical casing about a horizontal axis. The casing contains:(a) a bottom admission chamber for wet steam;(b) intermediate separator members (7, 8, 9, 10, 21) for removing water from the wet steam;(c) a top bundle of superheater tubes (11); and(d) wet steam flow channels (15, 17) located on either side of the bundles of superheater tubes. These channels are separated from the admission chamber by a partition (19) extending from one only of the sides of the superheaters in such a manner as to ensure that the wet steam rises in the vicinity of the inside surface of the casing round one side only of the superheaters and then descends round the other side towards the inlet to the separator members (21).

Abstract: A liquid injection system using a novel venturi injector and a novel liquid level control chamber for use in an internal combustion engine. The injection system uses water and/or a water/alcohol mix in the preferred embodiment which is pumped from a remote liquid level tank to a liquid level control chamber. A venturi injector is positioned within the internal combustion air cleaner housing to inject predetermined amounts of liquid into the carburetor of the internal combustion engine. The rushing air within the air cleaner passing through the venturi injector causes water to be pulled into the venturi and into the throat of the carburetor from the liquid level control chamber. Control means is provided in the system to control the pump to supply more liquid to the liquid level control chamber from the remote liquid tank.

Abstract: An air inlet means for use with the two cylinder internal combustion V-type engine. The air inlet device includes a carburetor, an air cleaner and an air associated with each cylinder. Such carburetors and inlet pipes are arranged so as to be positioned between the engine cylinders with the air cleaners extending outwardly from between the cylinders so as not to interfere with the fuel tank.

Abstract: An intake system for a multicylinder internal combustion engine comprises an intake passage including a common passage portion opening to the atmosphere, first and second volume chambers communicated with each other by a communicating passage, and a plurality of discrete passage portions branching from the first volume chamber and respectively connected to the cylinders. The second volume chamber is arranged to communicate the discrete passage portions with each other at a portion downstream of the first volume chamber and the common passage portion is communicated to one of the first and second volume chambers. An on-off valve is disposed at each junction of the second volume chamber with the discrete passage portions to move between an open position and a closed position in which the effective cross-sectional area of the junction is narrowed to an extent sufficient to prevent reflection of the pressure wave generated in the discrete passage portion at the second volume chamber.

Abstract: Two stroke gasoline spark ignition supercharged engine wherein air scavenging takes place without loss of fuel and full charge of air and fuel at optimum combustion ratio takes place for each power stoke with flywheel smoothed interrupted fuel injection for reduced power requirements. A modified valve design having a deflector lip is disclosed which further improves scavenging over the standard valve configuration.

Abstract: A two-cycle internal combustion engine having an oblong cylinder and an oblong piston therein. The engine includes two sets of scavenging ports at either end of the oblong cylinder having at least three ports each. Scavenging passages extending to the scavenging ports may be directed at sequentially increasing angles of inclination to the local normal with the cylinder away from the exhaust porting. In this way, flow may be directed across the piston head away from the exhaust porting and then upwardly to return toward the exhaust porting. A domed piston is also disclosed having discrete guide surfaces on the domed surface of the piston to specifically direct incoming air/fuel mixture upwardly from each of the scavenging ports. An element of the cylinder midway in the long dimension of the cylinder extends in the direction of piston movement without porting so as to provide a smooth wall surface.

Abstract: Several embodiments of charge forming devices including improved accelerating pumps wherein the discharge of fuel from the accelerating pump is extended in time through the use of an accumulator chamber. In addition, the accelerating pump has an upstream and downstream discharge port. The accumulator chamber is also adapted to discharge fuel into the induction passage during extreme deceleration so as to improve engine running and prevent stalling under these circumstances.

Abstract: A valve control arrangement for internal combustion engines with reciprocating pistons, comprises a housing having a housing opening, a valve piston axially displaceable in the housing opening, a valve closing spring, a valve plunger on which the valve piston acts against the valve closing spring, a cam piston axially displaceable in the housing opening, a valve control cam, a pressing spring which presses the cam piston against the valve control cam, a working chamber formed between the valve piston and the cam piston and arranged to be filled with pressure medium which transmits a lifting movement of the cam piston to the valve piston, the pressing spring which acts on the cam piston being arranged outside of the working chamber and supported at the side of the housing.

Abstract: A device for actuating valves in an internal combustion engine comprise four valves (9, 10, 11, 12) inclined in a V configuration and a central spark plug (3) per cylinder (6), each cylinder (6) being associated with two pairs of valves (9, 10; 11, 12) inclined on each side of an axial plane (PP) of the cylinder (6), while a spark plug pit (4) is provided between the two valves (9, 10) of one of the pairs, roughly parallel to the latter, this device comprising a central camshaft (13) located in the vicinity of the axial plane (PP) and, for each cylinder (6), at least two rockers (14, 15). There is interposed between each rocker (14, 15) and the camshaft (13) a pushrod (21) parallel to the cylinder (6), and, for each cylinder, the pin (18) of the rocker(s) disposed on the same side as the pit (4) is carried, as the other pin (19), by two bearings (26) located on each side of the rockers (14, 15) and is disposed between the pit (4) and the axial plane (PP).

Abstract: An engine of the V-type employing camshaft drive trains each including the crankshaft, two idle gear wheels held within a gear retainer and overhead camshafts. The idle wheels are of increasing diameter from the crankshaft to the camshafts. A transmission main shaft is placed relatively close to the crankshaft because of this arrangement. A backlash adjustment mechanism is employed with the mounting provided by the gear retainer. An eccentric journal portion of an axle allows adjustment through angular adjustment of the axle. A spring mechanism may provide appropriate torque on the eccentric axle mechanism to properly control backlash. Once properly positioned, the mechanism may be locked in place for normal engine operation.

Abstract: An apparatus for controlling a power supply to a glow plug for a vehicular internal combustion engine to preheat the glow plug, in which in addition to the conventional power supply circuit to the glow plug which allows the power supply current to flow into the glow plug so as to preheat the glow plug at an earlier stage when an engine key is inserted into an engine key switch apparatus, a cancel circuit is provided which halts the function of the glow plug power supply circuit for a predetermined period of time when a power supply is connected to the glow plug power supply circuit.

Abstract: The two cycle engine has a combustion chamber supplied with primary fuel for normal operation. An electrically operated priming system delivers fuel in addition to the primary fuel. A control regulates energization of the priming system. A momentary switch energizes the priming system when the switch closes and enables the control when the switch opens. The control causes the priming system to operate a predetermined period of time after the control is enabled but is subject to override by a switch responsive to engine temperature. Thus the priming system is shut down by the temperature responsive switch when engine temperature exceeds a predetermined value. The timing function of the control is provided by an integrated circuit chip wired as a timer. When the engine is started the timer chip is reset to zero and the timer starts timing when the momentary switch opens.

Abstract: A supercharged multi-cylinder four-cycle diesel engine, in which under partial load operation some cylinders operate as engine while the other cylinders operate as compressor supplying precompressed air which serves for improving the supercharging of the cylinders operating as engine; at least one additional valve is provided in each cylinder head of the cylinders operating as compressor which is to be actuated independently of the gas-exchange valves for engine operation and which controls an additional gas conduction channel that is connected by way of at least one line with the charging air--and/or the exhaust gas line of the cylinders operating as compressor.

Abstract: A hydraulic engine mount comprising two fluid-filled chambers normally communicating with each other to affect a controlled throttled exchange of fluid between them sufficient to absorb relative movements of high frequency low amplitude between an engine and a chassis. Relative movements of high amplitude and low frequency may be absorbed by rendering the mount soft by opening a bypass to provide for a substantially unimpeded flow of fluid between the chambers. Preferably, the bypass is provided with valve means controlled by sensors reacting to parameters representing engine performance or the like.

Abstract: Engines having cylinders of noncircular cross section wherein the cylindrical curve is generated at a preselected constant outwardly normal distance from a closed curve. The closed curve is defined as including two spaced points on a major axis of symmetry of the cylinder with two continuously curved portions extending between these points and curved outwardly from the major axis. The closed curve about which the cylinder curve is generated is preferred such that there is a continuous change of curvature without discontinuity in that curvature in the cylindrical curve. The avoidance of discontinuity in the generating curve aids in mass production consideration and cutter life. A plurality of intake and exhaust port arrangements are disclosed illustrating four intake ports and four exhaust ports on opposite sides of the major axis of symmetry of the defined cylinder. In one embodiment, the outermost of the ports are smaller and are positioned closer to the major axis of symmetry.

Abstract: Apparatus compatible with existing internal features of the engine block of an air-cooled gasoline driven internal combustion engine provides improved control of the temperature of the engine's lubricating oil. The apparatus utilizes a temperature-sensing wax servomotor and a piston positioned thereabove within an elongated circular cylindrical chamber. The upper extremity of the chamber communicates with a branching site of an oil conducting conduit where a first branch leads to an oil cooler device and a second branch avoids the cooler device. When the oil in the crankcase is hotter than desired, the servomotor forces the piston upwardly to cause closure of the second branch.

Abstract: The method of cleaning a fuel injection type internal combustion engine wherein the engine has a block, a combustion chamber, fuel injectors operatively connected to a fuel tank and a fuel pump, an engine starting mechanism and a fuel supply line connecting the fuel tank and the fuel injectors with the fuel pump imposed in the fuel supply line, and a fuel return line connecting the fuel injectors and the fuel tank, wherein the fuel pump is rendered inoperative and the fuel return line is blocked. A combination of fuel and cleaning fluids is imposed under pressure into the fuel supply line. The engine is then started and operated on the supply of fuel and cleaning fluid which have passed through the fuel injectors. After the engine has been operated for a period of time, perhaps 15 minutes or so, the engine is shut off, the fuel return line is unblocked, and the fuel pump is restored to its original condition.

Abstract: The unidirectional piston internal combustion engine is composed of a stator and a rotor. Annular grooves are cut on the rotor. Each groove is partitioned with a revolving valve gate to form into one "cylinder" between the rotor and the stator. Pistons are inserted into the cylinders and fixed on the rotor while the valve gates are incorporated in the stator. When the rotor turns, the pistons move relatively with the valve gates, which open to let the pistons pass and close again. The valve gates are operated directly by the pistons. Every two adjacent cylinders are made of a group, one for air compressing and one for combustion and expansion. For each group of cylinders, a one-way air passage valve is provided for compressed air to enter into the combustion and expansion cylinder, and is incorporated in the stator. Inlet and outlet ports are made in the stator. Seals for the valve gates, pistons and between grooves are developed to secure high pressure against leakage.

Abstract: A fuel injection system functioning with a reservoir, in which a quantity received by the reservoir is injected after the termination of pump supply for the purpose of prolonging the injection time.