Abstract: Tooth tips, which fit over teeth and distal ends of fingers formed between slots in laminated disks making up a portion of a stator in a generator, facilitate slipping stator windings into the slots from a central opening in the laminated disks; cooperate with wedges to affix stator windings in the slots; and provide a slot gap between adjacent tooth tips, which is substantially smaller than the width of the slots, to reduce slot harmonics and improve performance of the generator.

Abstract: A 90° swivel connector capable of rotating 360° has threads on one end that screw into a threaded hole in a boss on a compressor portion of a turbocharger and has barbs on the other end of the swivel connector for receiving and retaining a hose. The 360° rotation enables alignment of the swivel connector with the hose to prevent kinking of the hose when the relative angular position of the connector and hose is varied to facilitate diverse engine usage.

Abstract: A single air inlet for a pair of turbochargers has a duct portion with a circular inlet, a converging bifurcated portion having a pair of circular outlets, which are in fluid communication with inlet portions of compressor portions of the turbochargers and evenly distribute the incoming air to the compressor inlet portions, a baffle disposed in the bifurcated portion separating the outlet portions to prevent pulses generated in one compressor portion from affecting the other compressor portion and an elbow portion that registers with the circular inlet.

Abstract: A siloxane filter system for protecting an oxygen probe utilized in an internal combustion engine fueled by bio-gases, the filter system having a stainless fiber filter removably disposed in a housing having and inlet port and an outlet port disposed in fluid communication with an exhaust duct in such a manner as to cause exhaust gases to flow through the housing and filter, the oxygen probe is disposed in the housing down stream of the filter, causing siloxane in the exhaust gases to be deposited on the stainless fibers of the filter and essentially siloxane free gases passes over the oxygen probe extending its useful life.

Abstract: A wide body for an off the highway truck having cab, a canopy extending from the wide body and over the cab, a side rear view mirror disposed on each side of the truck viewable from the cab and movable between a position within the width of the wide body and a position outside the width of the wide body and a mirror guard disposed on each side of the truck having a stationary portion disposed within the width of the wide body and a movable portion pivoting between a position within the width of the wide body and a position beyond the width of the wide body to prevent material spilling over the side of the wide body during filling operation breaking the mirror and to allow the wide body to pass through a repair shop door when the side rearview mirror and mirror guard are positioned within the width of the wide body.

Abstract: A horizontally opposed compressor having a crankshaft and an even number of diametrically opposed cylinders, each opposed cylinder having a piston and a single connecting rod cooperatively associated therewith, one of the connecting rods having a crankshaft bearing portion on one end and a wrist pin bearing portion on the other end, the other connecting rod having two spaced apart legs, each leg having a crankshaft bearing portion on one end, the other end of the legs coming together to form a wrist pin bearing portion and a wishbone shaped connecting rod, the spacing between the legs being sufficient to allow the crankshaft portion of the one connecting rod and the associated portion of the crankshaft to rotate between the legs so that the reciprocating mass forces associated with the opposed cylinders are generally equal and opposite and cancel each other to produce a smooth running compressor.

Abstract: A method of avoiding low cycle fatigue failure of a turbocharger for an internal combustion engine having an electronic control module comprising the steps of: counting the number of cycles the speed of the engine and the fuel rate exceed a predetermined combination for a period of time and then drop below a lower predetermined combination for a period of time, determining an allowable number of said speed cycles that the turbocharger can experience without low cycle fatigue failure, comparing the counted number of speed cycles to the allowed number of speed cycles, providing an indication of the percentage of the counted speed cycles compared to the allowable number of speed cycles, and providing a signal that will alert an operator that the turbocharger is approaching low cycle fatigue failure.

Abstract: A shoe for ultrasonically inspecting an area beneath the fillets of a crankshaft and the area adjacent each side of the fillets for flaws in the highly stressed fillet area, the shoe comprising a planar surface and a cylindrical surface disposed at a right angle thereto with a toroidal surface forming an smooth transition therebetween and mating with surfaces on the crankshaft, the shoe houses three transducer oriented toward the centerline of the cylindrical surface and disposed to generally form angles of 22.5.degree., 45.degree. and 67.5.degree. with the centerline of the cylindrical surface, the transducer oriented at 45.degree.

Abstract: A valve for an internal combustion engine comprising a head with a seat ring and a stem that slidably fits in a valve guide, the stem having a necked down portion disposed between the head and the valve guide, the necked down portion being generally hour glass shaped and having a diameter that is reduced generally about 75 to 84 percent of the diameter of the portion of the stem that fits in the valve guide to reduce stresses on the head and improve proper seating of the valve to extend it life.

Abstract: A quiet compact radiator cooling fan having a hub portion, which extends radially outwardly and axially from its inlet to its outlet end, a shroud portion, which extends radially inwardly and axially adjacent the inlet end and radially outwardly and axially adjacent its outlet end forming a converging annular opening and a plurality of airfoil shaped, forward sweep blades disposed between the hub and shroud which cooperate with the hub and shroud to produce a mixed flow radiator fan which has improved blade loading and aeroacoustic performance producing a quiet and efficient cooling fan for off the road vehicles.

Abstract: An exhaust manifold seal arrangement to eliminate oil slobber comprises a counter bore in cylinder head exhaust ducts, a spiral wound gasket with chevron shaped ends and a barrel shaped portion disposed between the chevron shaped ends being disposed in the counter bore to form a leak proof seal between the cylinder head and the exhaust manifold and a thermal liner between the exhaust gases and the counter bore, the exhaust manifold being made in three parts with a spiral wound gasket being disposed between the parts to form a leak proof seal between the parts.

Abstract: A bounce depression device 29 for a high speed poppet valve 11 in a electronically controlled hydraulically operated unit fuel injector 1 comprises a poppet valve 11 with a central bore 35 and a counter bore 33 having a flat inner end 37 and a annular grove 39 on the other end which receives a retainer ring 41 that holds a plurality of flat washer shaped damping rings 31 in the counter bore 33 to absorb momentum by rattling and bouncing as the poppet valve 11 seats to prevent the poppet valve 11 bouncing off the seats 13 and 15.

Abstract: A method of controlling hydraulically actuated electrically controlled unit fuel injectors to operate quietly and with less seat wear on a valve disposed therein is disclosed. The disclosed method comprises controlling the pressure of a high pressure working fluid which operates the injector to inject the proper amount of fuel in the cylinders of an internal combustion engine; and responding to changes in the pressure of the working fluid to vary the timing duration and amplitude of a current pulse which activates a stator that draws an armature to the stator and opens a first seat of the poppet valve or other flow regulating device against a spring bias to allow the high pressure working fluid into the injector and closes a second seat to prevent the working from draining from the injector to allow the working fluid to operate the injector.

Abstract: A crankcase blowby disposal system for a reciprocating engine comprising a heat exchanger in fluid communication with an oil filter and the crankcase in which blowby comprising oil droplets, oil mist, oil vapor, water vapor and other gases, the blowby is vented from the crankcase, passes through the heat exchanger which cools the blowby to a temperature below the dew point of the oil vapor and above the dew point of the water vapor, whereby the oil vapor condenses and the water vapor does not condense, then the cooled blowby passes through an oil filter which removes essentially all the oil from the blowby, the oil free blowby is then returned to the engine intake or exhaust or vented to the atmosphere, the oil collected in the oil filter may be returned to the crankcase.

Abstract: A fuel injection shutdown system for a fuel injected internal combustion engine having mechanical fuel injectors with a return spring and lifter bodies slidably disposed in lifter guides comprises a slot formed in the lifter guides to receive a hydraulic cartridge and a slot in the lifter bodies which registers with the slots in the lifter guides, but are longer, the hydraulic cartridge extends into the slots in the lifter bodies, as the lifter bodies are reciprocated by an injection cam and the hydraulic cartridge does not contact the slots in the lifter bodies and the hydraulic cartridges have a stop pin slidably disposed therein and have a hydraulic duct which when filled with pressurized hydraulic fluid causes the stop pin to extend from the hydraulic cartridge contact the top of the slot in the lifter body and hold the lifter body off the cam preventing the fuel injectors from injecting fuel into the engine in two engine revolutions and stopping the engine to prevent harm to the engine.

Abstract: A method of controlling hydraulically actuated, electrically controlled unit fuel injectors to operate in response to the pressure of the working fluid or changes in the pressure of the working fluid is disclosed. The disclosed method comprises controlling the pressure of a high pressure working fluid which operates the fuel injector to inject the proper amount of fuel in the cylinders of an internal combustion engine and varying or adjusting the timing, duration and amplitude of a current pulse which activates the fuel injector in response to the pressure of the working fluid or changes thereto. The fuel injector is activated by energizing a stator that draws an armature to the stator and opens a first seat of the flow regulating device such as a poppet valve against a spring bias to allow the high pressure working fluid into the injector and closes a second seat to prevent the working from draining from the injector to allow the working fluid to operate the injector.

Abstract: A method of prolonging the life of glow plugs comprises the steps of providing a variable displacement pump rotatably connected to a internal combustion engine; driving a hydraulic motor at a generally constant speed with the hydraulic output of the variable displacement pump and directly connecting an alternator to the hydraulic motor to energize the glow plugs with an AC current and voltage and controlling the AC current to maintain a generally constant glow plug temperature from startup and throughout the entire operating range of the internal combustion engine.

Abstract: A double wheel roller 31 and a pair of outboard rollers 35 are positioned, respectively, along a pair of parallel tracks 25 disposed on a rocker arm 15 and a pair of parallel rails 37 disposed on a pair of support plates 39 disposed on opposite sides of the rocker arm 15, a control rod 49 is utilized to move the rollers 31 and 35 along the tracks 25 and rails 37 to vary the pivot point of the rocker arm 15, and thus vary the lift of an intake valve 7 or the amount the valve 7 opens and vary the amount of combustion air admitted to the cylinder 4, which cooperates with the amount and timing of fuel injected into the cylinder 4 and the timing of the spark to control the speed and power output of a fuel injection, spark ignition, engine 2.

Abstract: A bypass system for a diesel engine having a turbocharger, a bypass conduit, a valve and a controller which cooperate to bypass a portion of the combustion air compressed by the turbocharger bypassed to a turbine portion of the turbocharger or to the atmosphere, a controller containing maps based on empirical fixed point data specific to the engine, turbocharger and bypass system responds to signals indicative of changes in atmospheric pressure, inlet manifold pressure and engine speed to control the valve and prevent the turbocharger from surging.

Abstract: A hydraulic drive system for a pressure wave supercharger having a circular array of elongated chambers disposed to form a rotor rotatably disposed in a housing, the pressure wave supercharger being cooperatively associated with an internal combustion engine, and the hydraulic drive system comprising at least one hydraulic pump, a hydraulic motor driven by hydraulic fluid supplied by the hydraulic pump and coupled to the rotor and a control valve for regulating the speed of the hydraulic motor and the rotor to synchronize the pressure wave action within the elongated chambers of the rotor and supply combustion air to the engine at the proper volume and density at various operating conditions.