Abstract: A camshaft drive for an internal-combustion engine with a V-shaped cylinder arrangement has two output wheels on the crankshaft, one of each respectively being assigned to a cylinder bank. The distance of the output wheels corresponds to an offset of the cylinder banks with respect to one another and permits the use of identical parts.

Abstract: The adjustment device for continuously adjusting an angular orientation of a camshaft of an internal combustion engine relative in relation to a drive wheel of the engine, has a servomotor including a rotary piston nonrotatably attached to the camshaft and a plurality of adjusting segments between the rotary piston and the drive wheel equally spaced around the outer peripheral surface of the rotary piston and alternately attached to the rotary piston and the drive wheel so as to form a plurality of volume-adjustable working chambers connectable in pairs in operation; a pump located in the drive wheel and connected with the servomotor to receive an adjustably pressurized medium and to feed the adjustably pressurized medium to the servomotor means; a first control valve device connected to the pump for controlling supply of the adjustably pressurized medium to the pump to activate and deactivated the pump; and a second control valve device connected to the working chambers to select working chamber pairs and to

Abstract: A vaporization chamber for fuel in an internal combustion engine has a heater associated therewith that operates the chamber at an efficient super heated temperature in the range of 350.degree. F. to 400.degree. F. This chamber has baffles that direct an angular contoured flow path of fuel and vapors for increased exposure to the heat. The vaporization chamber is associated with heat sensors that control fire extinguishers in the event of overheating or fire. The vaporization chamber as well as its inlet and outlet are closed to atmosphere and include oxygen sensors to provide an alert in the event oxygen enters the chamber. Outlet of vaporized fuel from the chamber can be drawn into the engine by engine vacuum or in another arrangement a fan is associated with the outlet to assist this vacuum flow. Electrical controls under the influence of the vehicle throttle are provided to control the volume of flow of the vapor to the engine and bypass of fuel to the outlet.

Abstract: An engine E of an outboard motor O includes a carburettor 29 at an upstream end of an intake manifold 28, and an air intake 30 is detachably fixed to the carburettor 29 by two bolts 44. A cylinder block 21 of the engine E and a coupling portion 30-2 of the air intake 30 are interconnected through blow-by gas passages 40 and 41 with an oil separating chamber 39 interposed therebetween. The coupling portion 30-2 is provided at a location offset upwardly from axes of the two bolts 44. Therefore, both of the operation of the bolts 44 for attaching and detaching the air intake 30 and the operation of attaching and detaching the blow-by gas passage 41 to and from the coupling portion 30-2 can be conducted without any hindrance.

Abstract: A fuel pump for supplying fuel to an engine includes a rotary drive shaft (12) having an enlarged portion (18) through which the rotary part of the pump is driven. The pump also has an annular cam ring (17) which is angularly adjustable within the pump housing to vary the timing of fuel delivery. The pump includes a transducer (31) having pole pieces (33, 34) which are located in close proximity to the elongated portion (18) of the drive shaft. The pole pieces form part of a magnetic circuit including a magnet and the pole piece (33) and the adjacent surface or the portion (18) are shaped so that the flux in the magnetic circuit varies in a cyclic manner as the shaft rotates. The pole pieces and magnet are mounted on the cam ring (17) and the transducer includes a former (37) carried by the housing of the pump and upon which is wound a winding. The former surrounds a part of the magnetic circuit and the former and the part of the magnetic circuit are shaped so as to allow angular movement of the cam ring.

Abstract: A flexible line trimmer is powered by a two-stroke internal combustion engine. The engine is scavenged in a uniflow fashion and has a scavenging cylinder and an exhaust cylinder connected by a common combustion chamber. Each cylinder has a piston turning one of two cantilevered crankshafts that are geared through adjacent counterweights having integrally formed teeth. The crankshafts extend in opposite directions for self-balancing. One crankshaft is coupled to a flywheel fan and other coupled to a starter. A fuel and air mixture is transferred to a common crankcase for the crankshafts through an intake port located on the exhaust cylinder. The piston of the scavenge cylinder is retarded with respect to the exhaust cylinder. An exhaust window opens prior to a scavenge window. The scavenge window closes after the exhaust window. The exhaust window is shortened to improve crankcase compression. The cylinders are joined in a siamese fashion, fabricated from a single piece, and skewed toward each other.

Abstract: An automated teller machine provided with a plurality of input means and a corresponding method for conducting transactions using this machine. In the machine, a touch sensor for producing a signal when a user touches a previously registered area with a finger and a character recognition sensor for recognizing characters drawn on another previously registered area are superposed on a display. The sensor to be operated is selected in accordance with input data, the kind of transaction and/or user's preference. Thus, the data can be input in a manner which provides the easiest and most efficient mode of use for the user.

Abstract: An internal combustion engine is equipped with a valve timing controller capable of minimizing the electric power consumption and frictional wear of elements. The valve timing controller can vary the valve timing of valves. A camshaft is moved axially forwardly or rearwardly by electrically energizing an outer solenoid clutch or a brake releasing solenoid, respectively. An axial movement of the camshaft results in a change in valve timing. With the exception of a transient period during which the valve timing is being varied, both the brake releasing solenoid and the outer clutch are electrically deenergized to thereby reduce the electric power consumption, and both of them are maintained out of contact with a displaceable disc 13 to thereby reduce frictional wear thereof.

Abstract: Fuel injection device for an internal combustion engine, and engine equipped with such a device. The device includes a first cavity (3) forming part of a fuel pressurizing member (3, 4, 5), and a second cavity (12) made in an injector (9), in which cavity the pressure tends to lift a movable needle (11), against the action of the pressure in an accumulator (20), transmitted by a pipe (35). The first cavity (3) is separated from the second cavity (22) by a one-way valve (30).

Abstract: A keyless valve spring retainer for an internal combustion engine. The valve spring retainer has a high load strength yet can be easily assembled or unassembled on a valve stem. It includes a curved arm portion which permits the spring retainer to be located as close to the valve stem as possible yet long enough so as to be bendable for assembly or unassembly. The valve spring retainer in one embodiment clamps on the valve stem thus inhibiting rotation of the valve stem. In another embodiment, the valve spring retainer is not clamped thereon to allow rotation of the valve stem. It is adaptable to being used with a support plate for increased loading as well as externally or internally of a valve spring.

Abstract: An intake system for an internal combustion engine has a plurality of intake tracts connected in use to extend from individual engine intake ports to a common plenum chamber and a common passage opening into the plenum chamber for supplying air to all the intake ports. The tracts are arranged to open into the plenum chamber in pairs associated with pairs of intake ports, each pair of intake ports having valve events which do not overlap. The ends of each pair of tracts disposed within the plenum chamber are arranged directly facing one another and are separated by a gap which is sufficiently wide to permit mass air flow between the respective tracts and the common passage but which is sufficiently narrow to couple most of any pressure wave energy emanating from one tract directly into the facing tract.

Abstract: A variable volume transfer duct for maintaining an optimum volume of buffer gas in the transfer duct of a two-stroke engine during operation in order to minimize short circuit loss of fresh charge at all load levels during engine operation. The variable volume transfer duct that has two pieces, a top and a bottom duct wherein the bottom duct is aligned with and slidably disposed within the upper duct. Control means are provided for raising and lowering of the bottom duct to vary the transfer duct volume accordingly. A control means controls recirculates exhaust gas, or the secondary air, as buffer gas that fills the top of the transfer passage and regulates the buffer gas according to engine load conditions such that it provides a larger amount at higher loads and a lesser quantity at lighter loads.

Abstract: The pull-in coil of a fuel shut-off solenoid on an engine is connected to a relay which in turn is connected to the engine starting circuit. The relay is connected through the oil pressure light switch which opens after a short period of time as the result of a change in oil pressure as the engine is being cranked. Solenoid overheating is avoided since the relay pull-in coil current is cut off as soon as the oil pressure rises.

Abstract: A method of control of the supply of lubricating oil to a two stroke cycle internal combustion engine comprising supplying fuel to a fuel injector from a fuel reservoir having a fuel capacity greater than the maximum fuel requirement of the engine per cycle. The fuel in the reservoir being maintained at a substantially steady pressure. Delivering oil to the engine by a positive displacement pump having a delivery capacity per pump cycle greater than the maximum oil requirement of the engine per cycle. The oil pump being activated in response to the consumption of fuel from the fuel reservoir to maintain a substantially uniform predetermined ratio between the fuel consumption rate and the oil delivery rate.

Abstract: A rotary throttle valve for transferring a fluid between a fluid source and a combustion chamber of an internal-combustion engine, comprising at least one substantially cylindrical surface and a side wall. The rotary throttle valve includes at least one fluid flow channel having an inlet and an outlet, with the inlet belonging to the side wall of the valve and being positioned at a distance, which is not zero, from the rotation axis of the rotary valve, and the outlet belonging to the cylindrical surface of the valve and being radially offset with respect to the inlet.

Abstract: A variable valve timing system in an engine having a rotating cam-shaft includes an input pulley driven by the engine, a piston engaged with the input pulley so as to be displaceable in angular direction relative thereto, a cup-shaped casing mounted on the piston so as to be displaceable in angular direction relative thereto and connected to the cam-shaft, a cup-shaped cover accommodating therein the cup-shaped casing with a clearance and connected to the input pulley, a damper containing an amount of viscous fluid disposed in the clearance, a first sealing member disposed at one end of the clearnace, and a second sealing member disposed at the other end of the clearance, and having a characteristic in that a fluid-tight function between the cup-shaped cover and the cup-shaped casing becomes less as a centrifugal force increases.

Abstract: Method and apparatus for the directed collecting and metering of volatile fuel components for an engine, including a container with a regenerable storage device for collecting volatile fuel components from the fuel store. The storage device is connected to the engine fuel inlet through a metering valve which is controlled to supply the previously collected components to optimize engine performance by a controlled feed of the volatile components into the fuel mixture according to the particular engine operating conditions. In accordance with the invention, the device controls the metering valve dependent upon the desired mixture of volatile fuel components for the particular running conditions.

Abstract: A multivalve internal combustion engine which has a cluster valve system, said system comprises a cam on a camshaft, a valve stem with a valve spring, a cluster valve lever mounted on a lower end of said valve stem, said cluster valve lever has a plurality of holes and a plurality of valves. Said valves are inserted into said holes of said cluster valve lever respectively, and secured by mated nuts that are tightened by application of torque to make the cluster valve system to operate as one single valve.

Abstract: An insert to be threaded into a spark plug hole of an internal combustion engine. The insert includes a reservoir for holding lubricant and a dessicant to protect the engine during periods of storage. The non threaded end of the insert includes a tip on which the spark plug wires may be attached in order to keep the wires in order.

Abstract: In a two-stroke engine having a pressurized air rail for producing an atomized fuel spray for injection into the individual combustion chambers, oil for lubrication is atomized by metering it into a stream of compressed air taken from the rail or a reservoir connected thereto and the resulting oil/air mist is injected into the crankcase and/or the lower part of the cylinder selectively and directly on to points requiring lubrication.