Abstract: The present invention relates to a connecting rod and piston pin assembly for an internal combustion engine to improve wear of the piston/connecting rod pivot point and reduce deformation of the pin bore. To this end, the assembly includes a piston having a pin bore, a connecting rod having a bore adapted to be aligned with the piston pin bore and piston pin interconnecting the piston and the connecting rod through engaging their respective bores. The connecting rod includes an internal gallery between the bore and a terminal end. The piston pin has a profiled outer circumference that is substantially circular in cross-section with a larger diameter at the distal ends than at the center portion. Either the pin or one end of the connecting rod includes a phosphatized coating having a thickness between two and eight microns to facilitate movement between the connecting rod bore and the profiled piston pin.

Abstract: The system includes at least one transmission belt operable to couple the drive shafts of auxiliary devices with a pulley operatively connectable to the crankshaft of the internal combustion engine, and a servo controlled clutch operable selectively to control the coupling of the pulley with the crankshaft of the internal combustion engine. Between the pulley and the crankshaft of the engine is interposed an overrun clutch such that when the angular velocity of the crankshaft is greater than and, respectively, less than that of the pulley, the pulley is able to be driven in rotation by the crankshaft and, respectively, becomes freely rotatable with respect to this crankshaft. The servo controlled clutch is normally de energised and disengaged.

Abstract: A manually operated implement such as a chainsaw, parting-off grinder or similar device is provided and has an internal combustion engine to drive a tool, an air cleaning unit and a tank housing. The tank housing is a cast part and a fuel tank is located in the tank housing. A simple, advantageous design of the tank housing is achieved when at least one housing part of the air cleaning unit is formed on the tank housing.

Abstract: A control system for an internal combustion engine having a plurality of cylinders and a switching mechanism for switching between an all-cylinder operation in which all of the cylinders is operated and a partial-cylinder operation in which at least one of the plurality of cylinders is halted. Operating parameters of a vehicle driven by the engine is detected. The all-cylinder operation or the partial-cylinder operation is performed according to the detected operating parameters. An oxygen concentration sensor is provided in an exhaust system corresponding to the at least one cylinder which is halted during the partial-cylinder operation. A failure of the oxygen concentration sensor is diagnosed in a predetermined operating condition including a fuel-cut operation of the engine upon deceleration. The partial-cylinder operation is permitted after completion of the failure diagnosis.

Abstract: A rotary engine includes a round wheel, which has a shaft pivoted on a frame to provide kinetic force during rotating, wherein the round wheel is provided with a plurality of axial pockets, each of which has a leading plane. At least one block is located at a lateral side of the wheel, which keeps stable contact with the side surface of the wheel by use of elastic force provided by a spring mounted on a screw. The block has an intake chamber and a combustion chamber, which are opposite to pockets of the wheel to form quasi cylinders. At least two rollers are fixed on the frame to support and maintain the block in stable. An action force, which can be produced when fuel is burn and exploded in the combustion chamber, pushes the wheel to rotate continuously for output efficient kinetic force for utilization.

Abstract: Disclosed is a variable-volume rotary machine a principle of which is that the elements, which act as the rotary piston elements, themselves rotate about a secondary axis that passes through the piston element as they orbit about the primary axis of the machine. The operation volume of the present invention is a modified toroidal defined as the volume swept out by the piston elements as they simultaneously orbit the primary axis and rotate about the secondary axes. Described are two preferred embodiments of the present invention, one in which the piston elements rotate about an axis that is perpendicular to the axis of the toroid, and the other in which the piston elements rotate about an axis that is parallel to the axis of the toroid.

Abstract: The alternative-step appliance rotary engine is a rotary piston internal combustion engine. The alternative-step appliance rotary engine has twin or double twin pistons that rotate in a circular cross-section cylinder. The unique characteristic of this alternative-step appliance rotary piston engine is that it has a stop-piston that, when locked, cannot rotate until it is unlocked. Another rotary piston or a pair of rotary piston performs the four processes of the internal combustion engine: air absorption, compression, expansion, and exhaustion.

Abstract: The future of the piston engine in surface vehicles is uncertain.

Abstract: The disclosure concerns an internal combustion engine with controlled ignition having at least a combustion chamber (4), means (8, 18) for injection of fuel or an air-fuel mixture into the combustion chamber (4), ignition means (7) to generate an ignition of the air-fuel mixture in the combustion chamber (4), the ignition means (7) comprising a spark generator (13) arranged in a precombustion chamber (1) delimited by a wall (12), the precombustion chamber (1) communicating with the combustion chamber (4) through at least a port (5) formed in the wall (12), wherein the means (8, 18) for injection are adapted to inject the fuel into the combustion chamber (4) at a pressure of at least 250 bar such as to create an air fuel mixture and to make it easier for a part of this mixture to penetrate inside the precombustion chamber (1).

Abstract: A fuel injection device is provided with a fuel injection valve for injecting fuel through a fuel injection orifice opening into a combustion chamber, an air injection valve for injecting air through an air injection orifice opening into the combustion chamber, various sensors for detecting an operating condition of an engine, and an electronic control unit (ECU) for controlling the fuel injection valve and the air injection valve individually. The orientations of the air injection orifice and the fuel injection orifice are determined to make an air jet collide with a fuel spray. The ECU controls the fuel injection valve based on the operating condition detected by the sensors to control spray velocity, spray particle diameter, spray angle, etc. of the fuel to be injected through the fuel injection orifice. The ECU also controls at least one of an air injection timing and an air injection period of air injection to be performed by the air injection valve.

Abstract: A vehicle driven by a homogeneous-charge compression ignition (HCCI) engine includes a fuel supply that supplies a hydrocarbon fuel in a first amount and an acetylene supply that supplies an acetylene-based component in a second amount. A cylinder has a piston reciprocally driven therein. The cylinder receives a combustion mixture including a third amount of air, the first amount of hydrocarbon fuel and the second amount of the acetylene-based component. The piston compresses the combustion mixture to induce auto-ignition of the combustion mixture. The acetylene-based component includes one of acetylene, an acetylene-hydrogen mixture, and a mixture of acetylene, hydrogen and other products of the acetylene production process.

Abstract: The invention provides a method for controlling a compression ignition internal combustion engine, which can easily deal with a wide range of demand loads with a single fuel. The compression ignition internal combustion engine includes a fuel containing an ignition improver, and as the demand load increases, part of the ignition improver contained in the fuel is changed into a material having a reduced ignitability improvement capability, and the fuel having reduced ignitability is supplied to the compression ignition internal combustion engine. The ignition improver is selected from the group consisting of organic peroxides, nitrates, nitrites, nitro compounds and azo compounds. Part of the fuel is made to contact a catalyst to change the ignition improver into a material having a reduced ignitability improvement capability. The catalyst is carried on a porous carrier.

Abstract: A controller for an internal combustion engine capable of performing a compression ignition operation. The internal combustion engine includes a combustion chamber, and a fuel injector for injecting fuel directly in the combustion chamber. The controller includes: an air pressure detecting unit configured to detect at least one of an air pressure and an exhaust air pressure; and a fuel injection control unit configured to actuate the fuel injector to control a fuel injection timing according to a detected result by the air pressure detecting unit. The fuel injection control unit puts the fuel injection timing forward as the detected result by the air pressure detecting unit is lowered.

Abstract: An evaporative emission control system detects an opening failure of a purge control valve that controls the amount of purge gas flowing from a canister into an intake passage of the engine, and determines whether a significant shift occurs in an air/fuel ratio feedback factor when the opening failure is detected. If the air/fuel ratio feedback factor is shifted to the rich side, a rich-side initial value is set to a vapor concentration learned value, and, if the feedback factor is shifted to the lean side, a lean-side initial value is set to the vapor concentration learned value. These initial values give larger changes to the vapor concentration learned value than update amounts by which the learned value is updated during normal learning control.

Abstract: In a throttle device for a multipurpose internal combustion engine having a throttle valve, a throttle shaft connected to the throttle valve and an electric motor housed in a housing to move the throttle valve, both ends of a motor output shaft is configured to protrude from the housing in such a manner that the one end is connected to a power transmission mechanism, whilst the other end is inserted in a hollow boss formed in a fixing component of the motor, thereby ensuring no fluctuation to occur in the positional relation of the output shaft to the throttle shaft, while enabling to prevent friction from being generated in the power transmitting mechanism. In addition, a manual operating lever is provided to allow the engine to be easily started again even when the throttle valve is held nearly closed when the engine is stopped.

Abstract: To permit reliable occurrence of initial combustion at the start of an engine during which a stroke is not determined by only a crank pulse and to increase an engine speed.

Abstract: An outboard engine has an internal combustion engine as a prime mover, a throttle valve device including a valve element and a valve shaft supporting the valve element, and combined with the internal combustion engine, a driven unit combined with the throttle valve device, and a drive unit for driving the driven unit. The drive unit is capable of smoothly transmitting an external throttle-operating force to the driven unit regardless of its position. A throttle valve operating mechanism connects an operating lever included in the driven unit, and a throttle-operating Bowden cable included in the drive unit. The throttle valve operating mechanism is a linkage including plural links. Joints joining the adjacent joining parts of those links are ball-and-socket joints, respectively. The valve shaft has one end connected to the operating lever and the other end connected to a throttle position sensor. The valve shaft is inclined to a horizontal plane.

Abstract: In a common rail type fuel injection system, fuel in a fuel tank is sucked by a feed pump and fed to a pressurizing pump. Fuel pressurized in the pressurizing pump is supplied to a common rail. The pressurized fuel accumulated in the common rail is injected into a cylinder of an internal combustion engine from an injector. All of these operations are electronically controlled by an electronic control unit. To gradually suck air in the fuel tank together with fuel and to avoid air accumulation in a fuel filter, a relief valve is connected to the common rail. The relief valve is opened when the engine is idling thereby to increase an amount of fuel sucked by the feed pump and to gradually suck the air together with the fuel. The relief valve is opened only in interval periods in which fuel is not injected from the injector.

Abstract: A carrier for mounting to an internal combustion engine having an intake manifold port, a fuel injector and a cylinder head port extending from a cylinder head. The carrier includes a central portion having an internal passageway for providing fuel to the fuel injector. An attachment portion extends from the central portion which is affixed between the cylinder head and the intake manifold ports. The carrier further includes a sleeve extending from the central portion for receiving the fuel injector, which is sealed by the sleeve and an O-ring. The fuel injector, port seals, injector O-ring, wiring harness, connector and fuel rail are integrated into a single carrier to provide sealing, electrical connectivity, and fuel delivery functions.

Abstract: To effectively prevent uneven wear of a moving mover 70 and to stabilize the control characteristics by a valve. Rotation force is exerted to the mover 70 by the fluid flowing from the first chamber to the second chamber, or vice versa, which are formed at the opposite ends of the mover 70. With respect to a flow passageway 110 formed within an anchor 72 and for allowing passage of the fluid therethrough, there are provided a passageway portion 111 which is disposed along the axial direction and another passageway portion 112 which crosses the axial direction. By this, rotation force is generated at the time the fluid passes from the former passageway portion 111 to the latter passageway portion 112 (or vice versa) which crosses the axial direction.

Abstract: The invention relates to a combination valve (15) for pressure control and venting in a fuel system for delivering fuel to an internal combustion engine. The valve comprises a primary valve cone (25), which is supported so that it is displaceable between two limit positions in a cylinder bore (24) in a valve housing (23), against the action of a first spring element (26). The displacement of the valve cone from an inoperative limit position into an operative limit position leads to the opening of a connection between an inlet duct (32) and an outlet duct (33) in the valve housing. The valve cone (25) is provided with an inner passage (27), which is designed to accommodate a secondary valve cone (28). This is displaceable between a support surface (29) and a valve seat (30) against the action of a second spring element (31) having a lower spring constant than the first spring element.

Abstract: An evaporated fuel processing device, in particular for an internal combustion engine of an automotive vehicle, comprises a tank port (14) and an atmospheric port (26); a first adsorbent chamber (16) between the tank port (14) and the atmospheric port (26), the first adsorbent chamber (16) being filled with an adsorbent material (18); and a volume compensator (24) for compacting the adsorbent material (18) in the first adsorbent chamber (16). The volume compensator (24) comprises a base (34); a compacting plate (30); and a spring (32) arranged between the base (34) and the compacting plate (30). The volume compensator (24) further comprises resilient connecting means (36) connecting the compacting plate (30) to the base (34), the resilient connecting means (36) being formed in one piece with the compacting plate (30) and the base (34) and being arranged such that the spring (32) can be inserted between the base (34) and the compacting plate (30).

Abstract: A gas-assisted internal combustion engine has been invented which is capable of using energy stored in high pressure primary and reserve reservoirs in the form of compressed gas during normal operation and calling on that energy to provide additional power during start-up, acceleration and high demand requirements.

Abstract: A blow-by gas ventilation system particularly suited for use with a small watercraft includes a oil separation chamber preferably disposed within a plenum chamber defined by an air intake box. An inlet tube permits blow-by gases to move from the crankcase chamber of the engine to the oil separation chamber. An outlet allows blow-by gases to move from the oil separation chamber to the plenum chamber. Desirably, an outlet tube connects the outlet to an opening in an intake port of the induction system to discharge blow-by gases into the intake port. The oil separation chamber may be defined by a cover member, along with a portion of the interior surface of the air intake box.

Abstract: An oil separating device for an internal combustion engine connected in a flow path of blow-by gas, loaded with oil particles, from the crankcase to the inlet manifold section of the internal combustion engine and comprising an oil separator formed with at least one passage through which the flow of oil-bearing blow-by gas is guided and deflected, the oil particles being separated at a wall which causes them to flow back to the crankcase in an oil return path, is characterized in that the at least one passage is defined by a slot of small, variable slot width and large cross sectional area, the slot width being varied against spring force of an elastic member in dependence on the volume flow of the blow-by gas through the slot.

Abstract: First and second chambers are coaxially arranged and have substantially the same cross sectional area. First and second activated charcoal masses are respectively received in the first and second chambers. A labyrinth structure is arranged between respective first ends of the first and second chambers. An atmospheric air inlet port is provided by a second end of the second chamber. A third chamber is arranged beside the coaxially arranged first and second chambers. The third chamber has a first end positioned near a second end of the first chamber and a second end positioned near the second end of the second chamber. A third activated charcoal mass is received in the third chamber. A connector passage extends between the second end of the first chamber and the first end of the third chamber to provide a fluid connection between the first and third chambers.

Abstract: The present invention provides a baseball practice machine for propelling balls onto a practice field thereby providing simulated hits for use in fielding practice for ball players. The practice machine includes a ball hopper, a propulsion unit for propelling a ball toward a practice field, a movable barrel through which a ball is propelled. A barrel positioner is coupled to the propulsion unit and the movable barrel for adjusting the position of the barrel thereby controlling the trajectory of a propelled ball. A programmable control system controls the operation of the practice machine. Trajectory parameters for the propelled balls are selected from predetermined parameters defining the path of the ball to a location of a practice field where the ball is intended to land. Information defining the dimensions of a practice field are stored in a memory of the control system and used in determining the trajectory parameters.

Abstract: A cooking appliance includes smooth cooking surface having at least one cooking zone, a base frame section, at least one gas burner assembly located between the smooth cooking surface and the base frame section, and a control unit. A wire filament coil, electrically interconnected to the control unit, is arranged adjacent to the gas burner assembly. The wire filament coil includes a plurality of distinct, independently controlled segments extending about a perimeter of the gas burner. When operated in a first mode, at least one segment of the wire filament coil is utilized as an ignition source for a gas flow directed from the gas burner assembly. When operated in a second mode, the gas flow is shut off and selected segments of the wire filament coil are activated to establish a low level heat setting for the cooking zone.

Abstract: The present invention is an indoor/outdoor patio heater which includes a base portion housing a gas source, a gas burner, gas valve, a fan under the burner to create twisting flame patterns and a liquid pump, a pair of concentric see-through tubular portions disposed vertically above said base portion and a top heat deflector portion, with the burner flame enclosed by the inner tubular portion and liquid flowing through the channel formed between the inner and outer tubular portions to create the appearance of a twisting flame enclosed within a waterfall. The invention can be utilized with its aesthetic flame features and its aesthetic water features together, or one or the other.

Abstract: The present invention relates to a heater guard for circular (cylindrical) heaters provided with guarding functions also for the top surface, and it is an object thereof to prevent people from coming close thereto. The main body guard is comprised of a pair of right and left semi-cylinders 10A, 10B, there are provided connecting and fixing tools that include mounting and supporting portions that are fixed to upper half portions of the main body guard, elongated horizontal portions having a horizontal surface that are formed by bending elongated portions of the mounting and supporting portions in outer peripheral directions, and locking portions that are formed on upper surfaces of the elongated horizontal portions and that may be freely engaged with a peripheral surface upper cover portion of the upper surface guard.

Abstract: A trigger mechanism used for initiating a phase change in a variable liquid element by an activating material. The trigger mechanism also relates to a variable liquid element enclosed in a container with at least one perforation in the container, an activating material, and a movable barrier means for bringing the activation material into contact with the perforation.

Abstract: The present invention provides a heat package wherein a surface of a generating heat element that generates heat when exposed to atmosphere is placed against or attached to a heat conductive member. The heat element is protected from atmosphere until use. The heat package may include a heat-generating element attached to an insulating member with one or more air spaced there between. An outer surface of the heat-generating element can be exposed to atmosphere to produce heat when desired.

Abstract: A raised-level, built-in cooking devices has a muffle and a bottom-sided muffle opening that can be closed by a lowerable bottom door. A drive device has at least one tensile element which is connected to the bottom door. The tensile element is subject to a tensile force counter to the weight of the bottom door. In order to maintain the tensile element such that it is sufficiently taut, a tensile stress device is associated with the tensile element, whereupon a minimum value of the tensile force is maintained in the tensile element when the tensile force is relieved.

Abstract: An extraction system for domestic appliances, especially cooking devices, containing an item holder, at least one fixed support unit and at least one mobile support unit. The mobile support unit guided on the fixed support unit and having at least one bearing surface to enhance the extraction of the item holder.

Abstract: A solar energy conversion system comprising: a solar radiation reflector having a plurality of elongate reflective members that are fixed in position relative to each other, said solar radiation reflector being mounted for rotation about a single axis; a rotation device operatively connected to said radiation reflector for rotating said radiation reflector about said single axis; at least one solar radiation transducer located at a position coincident with at least one focal area of the plurality of angled reflective members of said solar radiation reflector; and a solar tracking unit for tracking the relative movement of the sun relative to the earth; said solar tracking unit causing said rotation device to rotate said solar radiation device toward the sun.

Abstract: A solar collector plate (2) has a solar radiation receiving front absorber plane (3) that is wiped at its rear side by a cooling liquid (4) flowing in channels (5). Cavities (7), preferably behind the channels (5) and integrated in the solar collector plate (2), and that can be closed off by the very liquid flow (4), provide a closed air volume that gives a dampening effect regarding kickbacks and pressure transients in the liquid (4).

Abstract: A solar collector with external reflector. A solar collector includes a glass housing having a heat pipe disposed within the housing and a light reflector disposed external to the housing.

Abstract: A solar heat collecting apparatus comprises a casing body, a lid for the casing body, a plurality of pillars, and a shield member. The lid for the casing body allows sunlight to pass through the lid and forms a vacuum space in collaboration with the casing body. A plurality of the pillars support the lid. The heat collecting panel is disposed so as to be apart from a side wall of the casing body in the vacuum space, and penetrated by a plurality of the pillars. The shield member blocks at least a part of clearance gaps from the heat collecting panel to the side wall and a plurality of the pillars.

Abstract: A controlled sustained release fluid delivery device is disclosed which has enhanced fluid delivery. The device generally includes a housing having a fluid reservoir therein for holding a fluid, at least one opening in the housing for enabling fluid delivery out of the fluid reservoir and the housing, and structures for delivering the fluid, and retaining the fluid proximate an ambient environment. Once held there, the structure holding the fluid is vibrated so as to enhance the delivery of the fluid to the ambient environment. Other aspects are also disclosed.

Abstract: Nasal dilators comprise tubes having a length to width ratio of no more than unity. The tubes are right cylinders which are shown in circular, oblong and radiused cornered rectangular forms. One or more tabs can extend from the outer end of the tube, a rim may extend outwardly about the periphery of the inner end of the tube and a septum may diametrically bisect the hole within the tube. Dilator kits provide variable outside diameters for accommodating differences in nose structure. A member extending between two such tubes can be employed to provide a set for both nasal passages of the nose.

Abstract: The invention relates to a control unit for flow regulation for use in an apparatus for testing the delivery of a dose of powder from a powder inhaler, a collecting tube for use in conjunction with the control unit and an apparatus containing the control unit and the collecting tube.

Abstract: The invention relates to a lung ventilator that includes a control unit (3a), at least one gas delivery hose (4), and a patient-allocated or -related device, wherein one end part of the hose faces towards the control unit and the other end part of the hose faces towards said device. The control unit (3a) includes means for passing an inhalation gas flow or an insufflation gas flow to the patient, and an expiration valve (6) is adapted to allow expiration gas to flow to the free surroundings, said expiration valve being controllable to either one of two functional states. A reserve volume (7′) in a container (7) or bag is adapted to generate manually a gas flow, intended to an insufflation phase, wherein this gas flow can be actuated by applying pressure to the container temporarily and over or during a short tie period. The thus pressurised reserve volume in the container or bag is delivered to the hose (4c), which is connected directly to the patient-allocated or related device (5, 6).

Abstract: A breathing regulator having a non-linear positive pressure spring is provided for use in an air supplied respirator. The regulator includes a housing formed from a regulator body and a cover sub-assembly, a diaphragm assembly, and the non-linear spring. The spring holds the diaphragm assembly closed and resists the force applied by air pressure during exhalation by the user, but collapses once a sufficient amount of force has been applied, thereby permitting the user to exhale freely.

Abstract: A valve has a support member, a cover coupled with the support member, and a flexible member. The cover has a biasing member that secures the flexible member to the support member.

Abstract: In a first aspect, a monoplace hyperbaric chamber providing Venturi induced gas circulation and ventilation is disclosed. The chamber includes a control and monitoring system that offers reduced oxygen consumption, duplex pressure gauges, referenced flow control, a patient activated stop function, an independent pressure time recorder, and/or a precise pressure control circuit that uses a 1:1 forced-balanced volume amplifier adapted to supply gas to and exhaust gas from the chamber through different penetrators and/or use flow-control check valves supplied with static reference or set pressures. A computer control and monitoring subsystem is also disclosed. Numerous other aspects are provided.

Abstract: A nasal cannula assembly is disclosed having a face mount part, in use resting against a user's face, which includes at least one nasal prong capable of being fitted into a person's nares. The cannula assembly also includes a manifold part, in fluid communication with the face mount part, having a single horizontal side gases entry. In particular, this cannula assembly is for supplying heated, humidified gases to a patient suffering from COPD. A tie or lanyard is disclosed for use with a breathing assistance apparatus such as a nasal cannula, face or nasal mask or tracheostomy connector. The tie or lanyard transfers the weight of the conduits supplying gases to the breathing assistance apparatus from the breathing assistance apparatus and distributes it onto the neck of the patient.

Abstract: A disposable nose filter comprises a flexible housing, a positively ionized filtering component, a flange, an optional adhesive component, and an interconnecting component. The nose filter is adapted to be easily inserted and removed from the nostril. When positioned in the nasal passage of the nostril the nose filter becomes fixedly attached inside the nostril through the optional adhesive component, until removal. The interconnecting component prevents the nose filter from moving undesirably into the nasal cavity. The positively ionized filtering material attracts and retains negatively ionized particles from the air.

Abstract: A retrievable intrauterine device for placing within the uterine cavity one or more encapsulated elements (1) capable of having interactions with the uterine fluid comprising an intrauterine device loaded with said encapsulated elements (1).

Abstract: The present invention is directed to a medical device that assists in overcoming airway obstruction and maintaining an open airway when a patient, who may or may not be anesthetized, is unconscious and placed in the supine position.

Abstract: Device for wrapping groups of filter segments with a wrapping material. The device includes a rolling channel defined between adjacent stretches of at least one first roller conveyor and at least one second roller conveyor. The rolling channel is structured and arranged to wrap the groups of filter segments with the wrapping material by rolling each of the groups of filter segments. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.