Abstract: An oil sparator for a blowby gas ventilation system of an internal combustion engine which includes a cylinder head cover, a baffle plate, a blowby gas path formed between the cylinder head cover and the baffle plate, and a filter provided in the blowby gas path. A groove is formed in the baffle plate and extends along the filter over the entire width of a top wall of the baffle plate. The filtered oil collects in the groove and does not appear on the upper surface of the top wall of the baffle plate. Therefore, the collected oil in the groove does not flow through the filter together with the blowby gas. As a result, oil consumption is decreased and oil blow-out through a blowby gas outlet is prevented.

Abstract: An intake system for an electronic control fuel injection system for a double overhead camshaft type internal combustion engine. The intake system has a surge tank connected via a connection pipe to a throttle body in which a throttle valve is arranged. A recess is formed between a cover for the intake camshaft and a cover for the exhaust camshaft. The throttle body is at least partially arranged in the recess.

Abstract: In a combustion chamber structure in a direct injection type diesel engine, in order to prevent flames from flowing out to a quench zone Q from a combustion chamber (32) which opens to a top part (30a) of a piston (30) to thereby prevent cooling of the flames and also in order to prevent a fuel spray from being concentrated on a lower portion of the combustion chamber (32), the fuel spray should be reflected in the combustion chamber (32) effectively according to displacement of the piston (30) to allow it to be mixed with air sufficiently in the combustion chamber (32) or in a cylinder (28), and to this end there are provided a guide wall (34) which becomes larger in inside diameter downwardly from an opening edge portion (33) of the combustion chamber (32), as well as fuel reflection walls (36, 38) which project below the guide wall (34) toward a central axis (lo) of the combustion chamber (32) and divide the combustion chamber vertically into a first combustion chamber (44) and a second combustion chamber

Abstract: A light bar, primarily for a vehicle, comprises a support extending transversely across the top of the vehicle. Attached to the support are one or more lamps which are mounted for selective rotary movement about a horizontal axis transverse to the vehicle and a vertical axis. By the manipulation of suitable controls inside the vehicle, or by manipulation of a remote control actuator, the driver is capable of aiming the light at a desired object or scanning a desired region.

Abstract: A crankshaft support for a multicylinder internal combustion engine employing a plurality of bearing caps fitted in recesses in journal walls in the cylinder block and connected by pairs of bolts extending vertically through each bearing cap into the journal wall. An additional pair of bolts extend horizontally from each side of the cylinder block to connect the skirt portions to the bearing caps. A bridge extends the length the engine over the bearing caps and is connected thereto by another pair of vertical bolts.

Abstract: A self-adjusting hydraulic valve tappet arranged in a guide bore of a cylinder head of an ice being located between a cam of a cam shaft and an end of a valve stem, the tappet comprising a cup shaped housing (1) closed at one end by an end member (3) against the outside of which the cam abuts and a cylindrical guide sleeve (6) concentric with a cylindrical wall (2) and arranged at its end away from member (3) in the center of an annular flange element (5) which at its outer circumference merges into the cylindrical wall (2) of the housing (1) and guide sleeve (6) is spaced at an opposite end from end member (3), a self-adjusting hydraulic play compensating element (10) being guided for longitudinal movement in the guide sleeve (6) comprising an inner piston (12) and an outer piston (11), the two pistons telescoping and defining oil pressure chamber (22) which communicates through a bore in the inner piston (12) closed by a check valve (21) with a central oil reservoir (13) disposed in inner piston (12), the o

Abstract: An intake manifold for multicylinder, in-line type engine wherein a distribution chamber extends along the engine and a separate intake pipe extends from the distribution chamber to each intake port for each engine cylinder. When the engine has an oval intake port, usually because of two intake valves, with the major axis extending the length of the engine, the intake pipes have matching oval openings. The connection between each intake pipe and the distribution chamber is oval in shape but oriented with the major axis extending laterally to reduce the length of the distribution chamber. The walls of the manifold vary in thickness for reducing weight and the moment of inertia by progressively decreasing the wall thickness in the direction away from the engine.

Abstract: A direct injected two stroke cycle internal combustion engine having a cylinder, a cylinder head at one end of the cylinder, a piston mounted for reciprocation in the cylinder, and an inlet port and an exhaust port in the wall of the cylinder at substantially diametrically opposite locations in the cylinder. A cavity in the cylinder head extending in a generally diametral direction from adjacent the cylinder wall at a location opposite the exhaust port. The cavity having substantially straight side edges in the direction of extension, and the longitudinal length of the cavity in said direction being about 0.55 to 0.77 of the diameter of the cylinder.

Abstract: For a connection, in particular for use with an illumination system, two mechanically and electrically releasably coupled parts, in particular a magnetic holder (3) and a ball (4) which define a ball-and-socket joint, are provided, with said two parts (3) and (4) being interconnectable by means of magnetic force and contacting each other, the two parts (3, 4) establishing electrical contact for the lighting fixture (10) as a result of magnetic frictional contact.

Abstract: A retrofit roller bearing pivot assembly for a rocker arm of an internal combustion engine valve gear. A mounting stud or post threaded on one end for attachment to the engine has a fulcrum member received thereover and registered against a head formed thereon with transversely extending oppositely disposed cylindrical bearing surfaces. A roller bearing race is received on each of the bearing surfaces and a semi-cylindrical sleeve member has the post received therethrough and has concave portions on opposite ends thereof journalled on the fulcrum bearing surfacers. The sleeve is retained against the bearings by a spring clip received over the end of the post and engaging ledges on the sleeve. The fulcrum is retained in registration on the post by a contoured supporting spacer held in place by a suitable snap ring received over the post threads. The assembly is sized to drop between the side wall of a cupped rocker arm.

Abstract: The safety plug device is adapted to releasably plug the fluid fuel line of an internal combustion engine. The device has an external multiple stepped cylindrical configuration and/or central cavity with a like configuration so that it can be used effectively with various diameters of fuel lines and can either be inserted in the central opening of the fuel line or can be disposed over the fuel line, to prevent loss of fuel after the fuel line is removed from, for example, a carburator. The device is preferably of resilient elastomeric material resistant to deterioration by fuel and can include metal inserts, or be all metal, ceramic, etc. Thus, danger of fire from spilled fuel such as gasoline, kerosene, oil and the like can be readily avoided by the use of the plug device. Moreover, because the plug device physically reinforces the fuel line, clamping of the fuel line at the plug device does not damage the fuel line, in contrast to conventional clamping which breaks down the fuel line.

Abstract: A tubularly formed valve guide (1) with a bore for a metal valve shank (2) for use in an internal combustion engine comprising a sintered body of a partially stabilized zirconium oxide having a porosity of less than 3%. Even under extreme stress, e.g., in an outlet valve of a high-power engine, but in particular in the blow-off valve of an exhaust gas turbocharger, the valve guide shows a considerably reduced wear as compared to conventional valve guides.

Abstract: Multiple expansion chambers are configured to partially expand the combusted charge in the combustion chamber and then to complete the expansion process using a supplemental expansion chamber with chamber isolation designs.

Abstract: A four-stroke internal combustion piston engine includes at least two cylinders disposed in axial alignment opposite on another. Each cylinder has a piston axially reciprocal therein with the pistons in the two cylinders operating with a phase shift of 180.degree.. Each piston is connected by a piston rod to the same crankshaft located between the cylinders. Each piston moves between a bottom dead center at an inner end of the cylinder adjacent the crankshaft to a top dead center at an outer end of the cylinder spaced outwardly from the crankshaft. During movement of the piston from the inner end to the outer end, fresh air or a fuel-air mixture is drawn into the cylinder through a suction system and when the piston moves in the opposite direction a transfer system conveys the fresh air or fuel-air mixture into a combustion space formed between the outer end of the cylinder and the piston.

Abstract: A pedestal especially adapted for outdoor uses for supporting an electric lighting fixture is formed of precast concrete or similar material and formed with a concentric opening or chose to permit incorporation of electrical connectors therein. Said pedestal may be frusto-conical in shape and may be provided with a supporting collar adapted to engage it at its base or at ground level. Further, said pedestal may be provided with an electrical fixture having vertical or horizontally positioned cylindrical lenses of special design. The pedestal described may be positioned with its base at or below ground level as desired.

Abstract: A table lamp comprising a base, an arm upstanding from the base, an illuminating bulb positioned at the upper end of the arm to provide illumination, the arm further comprising a plurality of substantially similar segments, means for rotatably joining adjacent segments to one another and commutator means between adjacent segments for transferring electrical power for the lamp from one segment to the adjacent segment, and means within each segment for connecting one commutator means to an adjacent commutator means to provide continuity of current to the lamp.

Abstract: In an induction system for an internal combustion engine having two groups of cylinders of which firing orders are respectively discontinuous, a groove is formed in a joining end face of a collector unit to be joined with a joining end face of an intake manifold in such a manner as to have a straight main groove section disposed between first and second groups of outlet ports so as to be equidistant from the outlet ports and a plurality of outlet groove sections branching off from the main groove section to fluidly connect the main groove section to each outlet ports. When the joining end faces of the collector unit and the intake manifold are joined together, a fluid recirculation passage such as a blow-by gas recirculation passage, an exhaust gas recirculation passage or the like is defined therebetween.

Abstract: A two-cycle engine includes a cylinder block having at least one pair of first and second cylinders, the first and second cylinders having a pair of first and second exhaust ports, respectively. A pair of first and second pistons are received respectively in the first and second cylinders for reciprocal movement therealong, each of the exhaust ports being selectively closed and opened by a respective one of the pistons during the movement thereof along a respective one of the cylinders. The first and second pistons are operatively connected to a crankshaft in such a manner that the first and second pistons are reciprocable 180.degree. out of phase along the respective cylinders. A final portion of the duration of opening of one of the exhaust ports overlaps an initial portion of the duration of opening of the other. An exhaust passage has a communicating portion communicating the first and second exhaust ports with each other adjacent thereto.

Abstract: A two cycle engine having multiple cylinders which is capable of expanding from two or four or more cylinders. A composite crankshaft is built up by combining components including crank webs, bearing shafts and crank pins. A composite crankcase also may expand to accommodate the number of cylinders required through the use of common mating surfaces. The mating surfaces provide opposed thrust surfaces for each pair of crank pins.

Abstract: In a variable valve control system for an internal-combustion engine, having an intake valve actuated by a valve lever that can be pivoted around a shiftable bearing point, a lift camshaft and a control camshaft are provided. The camshafts control the pivoting of the valve lever. The system also includes a device for phase-shifting the control camshaft relative to the lift camshaft in response to operating parameters of the internal-combustion engine. This provides for premature closing of the intake valve.