Abstract: A cam sprocket 211 is driven to rotate by the drive force transmitted from a crankshaft 130 to by turn drive an eccentric plate 250 around an axis running in parallel with the axis of rotation of the cam sprocket 211. The eccentric plate 250 is movable from a position concentric with the cam sprocket 211 to an eccentric position. As it is driven to rotate at the eccentric position, it drives an intake cam block 240 by way of a variable camshaft 230 with a rotary phase difference that changes periodically relative to the cam sprocket 211. The intake cam block 240 drives an intake valve. The phase angle of the eccentric plate 250 at the connection section with the cam sprocket 211 and at the connection section with the movable camshaft 230 is s defined to be between 80° and 160° or between 200° and 290° when the direction in which the eccentric plate 250 rotates is assumed to be the forward direction.

Abstract: A valve driving device (10), that converts rotational motion outputted from a valve-driving source to linear motion through cam mechanisms (13) provided to respective cylinders (2) and drives valves (3) in respective cylinders through the linear motion, the valve driving device is equipped with electric motors (11, 12) that are shared as the valve-driving source in a group of cylinders comprising a plurality of cylinders in which open-valve periods of the valves do not overlap; and motion-transmission mechanisms (14, 15) that transmit rotational motion of the electric motors (11, 12) to cams (16) in respective cam mechanisms (13) in the group of cylinders.

Abstract: A lock pin bore in a two-step rocker arm assembly contains a hydraulically-actuable lock pin. A return spring urges the lock pin toward an unlatched mode. The bore has one or more annular grooves formed near the outer end of the bore. A plug, formed preferably of a soft metal, is pressed as a hydraulic seal into the bore. During assembly, the final position of the lock pin within the bore is set by positioning a stopping assembly fixture into the locking end of the bore. The plug is pressed into the bore until contact is made with the lock pin and the lock pin engages the fixture. The plug is radially deformed into the annular groove(s) to anchor the plug and fix the outer limit of travel of the locking pin and the compressive load on the return spring.

Abstract: Proposed is a switchable valvetrain (1) for an internal combustion engine, having a row of rocker arms (2) which extend in the longitudinal direction of a cylinder head, which rocker arms (2) run via a recess (7) on their upper side (6) on a head (8) of a bearing journal (9), which bearing journal (9) is axially moveably arranged in a bore (10) of a carrier (11)/insert part (11a) which runs above, with piston-like coupling means (12) being provided for selectively coupling the bearing journal (9) to the carrier (11).

Abstract: Proposed is a switchable valvetrain (1) for an internal combustion engine, having a row of rocker arms (2) which extend in the longitudinal direction of a cylinder head, which rocker arms (2) run via a recess (7) on an upper side (6) on a head (8) of a bearing journal (9), which bearing journal (9) is axially moveably arranged in a bore (10) of a carrier (11) which runs above, with piston-like coupling means (12) being provided for selectively coupling the bearing journal (9) to the carrier (11).

Abstract: A variable intake system includes an intake manifold having at least one runner, an opening/closing unit for adjusting a length of the runner, an actuator for activating the opening/closing unit, and a vacuum unit defining a vacuum chamber for driving the actuator. The vacuum unit is disposed inside the intake manifold.

Abstract: An air-intake device having a noise reduction mechanism includes a surge tank connected to an intake manifold for introducing intake air into an internal combustion engine, an air duct connected to an upstream end of the surge tank and a resonator connected to the surge tank and the air duct. The resonator forms a resonator chamber connected to both the surge tank and the air duct. The surge tank is separated from the resonator chamber by a first vibrating member, and the air duct is separated from the resonator chamber by a second vibrating member. The noises in the surge tank are offset or reduced by resonating vibrations of the first vibrating member, and the noises in the air duct are offset or reduced by resonating vibrations of the second vibrating member. Thus, the intake air noises are effectively reduced by a simple combination of the resonator and the vibrating members.

Abstract: A rotational balance adjustment structure for an engine includes; a damper pulley having an elastic member provided on the outer periphery of a hub and a damper mass provided on the outer periphery of the elastic member; and an engine assembly having an engine body and a plurality of parts mounted on the engine body, the plurality of parts including the damper pulley. The engine assembly is assembled by mounting a plurality of parts to the engine body, the plurality of parts including the damper pulley, and the rotational balance of the engine assembly is adjusted by attaching a balance piece to the damper mass.

Abstract: An engine balancer system is provided in which a balancer housing disposed so as to face an oil pan beneath a crankshaft is formed by joining an upper housing and a lower housing via mating faces, and the height of the mating faces is lower on a vehicle front side than on a vehicle rear side. Oil discharge holes or discharging oil that is within the balancer housing are formed in the mating faces on the higher side of the balancer housing and in the upper housing above the mating faces on the lower side of the balancer housing. This enables the position of the oil discharge hole on the lower side to be as high as possible, thereby suppressing penetration of oil into the interior of the balancer housing through the oil discharge hole.

Abstract: The invention relates to a masking system (1) for the masking of a crank chamber (2) of an internal combustion engine (3) during a surface treatment of a cylinder running surface (4, 41, 42) of a cylinder bore (5, 51, 52) of a cylinder (6, 61, 62) of the internal combustion engine (3). The masking system (1) includes a hollow masking body (7) with a connector segment (71) for the connection of the hollow masking body (7) to the cylinder bore (5, 51, 52) as well as a screen segment (72). In accordance with the invention, the hollow masking body (7) is configured such that the connector segment (71) of the hollow masking body (7) can be positioned on the cylinder bore (51) of the first cylinder (6, 61) at the crank chamber side during the surface treatment of a first cylinder (6, 61) of the internal combustion engine (3). The invention further relates to the use of a masking system (1) in accordance with the invention.

Abstract: an engine includes: a cylinder block; and a piston ring, in which the cylinder block has a cylinder liner portion formed of an aluminum-based composite reinforced by a ceramic containing at least either of a silicon carbide and an alumina, and in which the piston ring is coated with a nitride film (20) including a vanadium nitride layer (21) exposed on an outer circumferential sliding surface (17).

Abstract: An apparatus includes a cylinder head and a valve member. The cylinder head is configured to be coupled to a cylinder and a gas manifold and has an interior surface defining a valve pocket. The valve member is configured to be disposable within the valve pocket such that the valve member is movable within the valve pocket along a longitudinal axis of the valve member. The valve member has a tapered portion defining multiple valve flow passages. The apparatus has a first configuration and a second configuration. When the apparatus is in the first configuration, each valve flow passage is in fluid communication with the cylinder and the gas manifold. When the apparatus is in the second configuration, each valve flow passage from the plurality of valve flow passages is fluidically isolated from the cylinder.

Abstract: A piston ring is provided having a first axially facing surface and a second axially facing surface. At least one of the first and second axially facing surfaces has a friction reducing surface treatment. The friction reducing surface treatment is preferably formed from tungsten disulfide. Additionally, a method of forming a low friction piston ring is provided including applying a friction reducing surface treatment, such as tungsten disulfide, to at least one of the first and second axially facing surfaces and preventing the application of the friction reducing surface treatment on the radially outwardly facing surface. An internal combustion engine incorporating the disclosed piston ring is also provided.

Abstract: An internal combustion engine including an engine block provided with an ear portion arranged to carry an auxiliary device driven by a power take off arranged on a crank shaft mounted in said engine block.

Abstract: An improved lubrication system and method for the normally contacting and abutting piston pin and connecting rod journal bearing surfaces of an internal combustion engine that includes an inertia pump in a connecting rod. The inertia pump reacts to the movement of the connecting rod and conveys a predetermined measure of lubricating oil at a high enough pressure to overcome the forces which cause the surfaces to normally maintain contact. By separating the normally contacting surfaces of the pin and the connecting rod journal, the surfaces become lubricated. Several embodiments of inertia pumps provide variations in implementing the invention.

Abstract: The invention relates to a spark-ignition engine with a highly structural compression ratio greater than 15:1, throttle regulation, externally supplied ignition and with direct fuel injection into a precombustion chamber, which is connected to the main combustion chamber via an overflow channel. The fuel is injected into the precombustion chamber during the compression stroke and is ignited by a spark plug located in a manner that is as central as possible. The invention relates to a spark-ignition engine with a highly structural compression ratio greater than 15:1, throttle regulation, externally supplied ignition and with direct fuel injection into a precombustion chamber, which is connected to the main combustion chamber via an overflow channel. The fuel is injected into the precombustion chamber during the compression stroke and is ignited by a spark plug located in a manner that is as central as possible.

Abstract: An intake control device for an air intake system includes one or more stationary intake pipes that communicate with one or more intake ports of an engine. One or more movable intake pipes are movable relative to the stationary intake pipes and, in one position, cooperate with the stationary intake pipes to define engine air intake passages. An actuator applies a force tending to move the movable intake pipes in a first direction. A controller controls the actuator. The movable intake pipes are inhibited from moving beyond a first position in the first direction. The controller directs the actuator to apply a force to the movable intake pipes when the movable intake pipes are in the first position.

Abstract: A knock reduction system for an internal combustion engine is provided. The system includes an engine operating zone selection module that selects a current engine operating zone from a plurality of engine operating zones based on engine speed, air per cylinder, and barometric pressure. A knock detection module generates a knock detection signal based on a detection of engine knock. An octane scaler adaptation module computes an octane scaler based on the current engine operating zone and the knock detection signal wherein engine spark is controlled based on the octane scaler.

Abstract: Fuel delivery to a combustion engine may be controlled by determining the roughness of current engine operation, comparing the determined roughness with a control roughness to determine if the determined roughness is within a threshold limit of the control roughness, and changing the fuel delivery to the engine in a subsequent fuel delivery event as a function of the difference between the determined roughness and the control roughness. Preferably, the fuel delivery is changed at least when the determined roughness is not within the threshold limit, although other factors may be taken into account when changing the fuel delivery to the engine.

Abstract: Within an injection nozzle for the injection of fuels into the combustion chamber of an internal combustion machine the injection nozzle (5) comprising an axially displaceable valve needle (7), which plunges into a control chamber (12) chargeable with pressurized fuel whose pressure is controllable by a control valve (16) opening or closing the at lest one inlet or outlet channel for fuel, channels are arranged in the region of the valve needle (7), which channels are connected with lubricant- or motor-oil lines respectively and can be passed through by lubricant- or motor-oil respectively. Also in the region of the control valve (16) and/or a solenoid actuating the control valve, channels are arranged which are connected with lubricant- or motor-oil lines respectively and can be passed through by lubricant- or motor-oil respectively.

Abstract: A feed pump of a fuel supply system for a DME engine rotates in a normal direction to supply DME fuel in a fuel tank to a high-pressure supply pump through a low-pressure fuel supply passage. The high-pressure supply pump pressurizes the DME fuel and discharges the DME fuel therefrom. The discharged DME fuel is distributed by a high-pressure fuel supply passage and injected by a fuel injector. A first fuel recovery passage connects the high-pressure fuel supply passage to the low-pressure fuel supply passage. When the engine is operated, a first solenoid valve closes the first fuel recovery passage. When the engine is stopped, the first solenoid valve opens the first fuel recovery passage and the feed pump rotates in a reverse direction, thereby the DME fuel in the low-pressure fuel supply passage and in the high-pressure fuel supply passage is recovered into the fuel tank.

Abstract: As one embodiment, a method of operating an engine of a vehicle is provided wherein the engine has a variable engine output. The method comprises during a first engine output, delivering a first fuel to at least a cylinder of the engine via a first injector and directly injecting a second fuel directly into said cylinder via a second injector; and during a second engine output lower than said first engine output, delivering said first fuel to said at least a cylinder of the engine via said first injector and directly injecting at least a purging substance via said second injector based on an idle period since a previous injection by said second injector.

Abstract: An injector driver and a drive method therefor wherein a reference current signal is generated that is synchronized to an injector valve signal for causing the injector to inject and that has a current increasing tendency substantially equivalent to an injector current waveform for the case in which a low voltage is applied to the injector, a current that flows in the injector is detected as a detected current signal, and the electrical powering of the injector is controlled by comparing the reference current signal with the detected current signal.

Abstract: An apparatus aims at learning a deviation from a reference injection characteristic of a fuel injector provided for a cylinder of an engine having an output shaft. In the apparatus, a detecting unit is configured to detect a minimum interval between temporally adjacent fuel injection periods in the plurality of fuel injection periods based on a behavior of the output shaft during execution of the plurality of fuel injections. The minimum interval maintains the temporally adjacent fuel injection periods to be non-overlapped with each other. A learning unit is configured to learn the deviation from the reference injection characteristic of the fuel injector based on the detected minimum interval.

Abstract: Disclosed is an electronic control unit (14) connected to a hydraulic unit (13), such as in a motor vehicle, by way of a magnetic plug. The electronic control unit includes a zone formed of housing walls (14?) for accommodating several valve coils (12) arranged in the zone. Also included are a housing cover (8, 35) and at least one printed circuit board (31, 5) that accommodates electric and/or electronic components. Also included are an electrical contact and a heat-conducting plate (9, 32) for dissipating heat from the electronic components. The heat-conducting plate is connected to the printed circuit board. At least one thermal connecting element (4, 15) is provided, which constitutes a thermal bridge between the printed circuit board(s) and the heat-conducting plate(s).

Abstract: An engine control system includes an EGR device 10 which connects an exhaust passage Ex and an intake passage I and has an EGR valve; an intake throttle valve 41 placed in the intake passage I; and an engine control unit which is provided with an engine operation data calculator A1 accumulating mileages of a vehicle or an engine operation period, a fuel injection controller A2 controlling a fuel injection amount and a fuel injection timing, an EGR controller A3 controlling an opening of the EGR valve; a throttle valve controller A4 controlling an opening of the intake throttle valve; and an EGR passage cleaning controller A5 which delays a fuel injection timing Tn, increases an opening ? g of the EGR valve, and reduces an opening ? s of the intake throttle valve when the total mileage or the total operation period calculated by the engine operation data calculator becomes equal to a predetermined threshold.

Abstract: A device is provided for locking a front end of a shaft for a spear gun. The device comprises a bridge-shaped element extending crosswise over a distal end of the gun with a substantially U-shaped nosepiece connected to the distal end and revolving relatively freely about a crosswise axis thereof. The nosepiece includes at least two arms connected respectively to ends of a relatively elastic cable that may be tensioned against a rear end of the shaft, when the shaft is placed on a support surface along the body of the gun. The bridge element is attached to and integrally with the ends of the elastic cable and is placed at a selected distance from the support surface such that the shaft is retained against the surface when the spear is in a stowed or loaded position in the gun.

Abstract: A device is provided for releasing a spear shaft of a spear gun for scuba diving or the like. A latch element of the shaft is formed on a first lever pivotally connected at its front end to a screw attached to and integrally with a frame of the gun, and is elastically maintained in a resting position. A trigger of the gun includes an abutment portion forced elastically against the front end of the first lever extending forward of a convex upper surface intersecting a concave surface at an edge that traces a first circular trajectory when the trigger is rotated. A second lever is rotatably connected to the frame, the front end of the second lever being movable along a second circular trajectory intersecting the first circular trajectory.

Abstract: Systems and methods are provided for an easy-to-open paintball loader housing. A housing is provided with a chamber for storing a paintball feeding system and a chamber for storing a supply of paintballs. The housing is separable such that the portion storing the supply of paintballs may be reached by a user's hand for cleaning.

Abstract: The present embodiments provide apparatus and methods for use in releasing gas from a compressed gas source. Some embodiments provide apparatuses for use in releasing compressed gas from a source that include a source of compressed gas, a puncture pin, a driving mechanism positioned relative to the source of compressed gas, and a trigger mechanism. Upon activation of the trigger mechanism the driving mechanism drives the compressed gas onto the puncture pin releasing the compressed gas from the source. In other embodiments, upon activation of the trigger mechanism the driving mechanism drives the puncture pin into the compressed gas releasing the compressed gas from the source.

Abstract: The object of the present invention is to improve shooting precision by causing a bullet to be fired before retreating of the slide commences, which is a problem in related art 3.

Abstract: A spear gun for scuba diving that comprises a frame with a body elongated generally in a direction of a longitudinal axis of the gun and a grip at one end of and extending from the elongated body. The grip includes a fixed part attached to and integrally with the body and a movable part adjustably mounted to the fixed part. Also provided is a device for securing the movable part to the fixed part when a desired configuration of the grip has been achieved.

Abstract: A vehicle-mounted cutter for cutting a paved surface such as concrete is disclosed. The cutter utilizes the hydraulic power from a vehicle to operate a saw motor that rotates a blade operably attached to a trolley, an orbital motor that engages causes the trolley to move along a boom, and an hydraulic cylinder that determines the depth of the rotary saw relative to the boom. Using a control box that controls the flow rate of hydraulic fluid, an operator can adjust the travel speed of the trolley and the depth of the rotary saw.

Abstract: A brick-oven includes a reduced emission of smoke and odor generated from the brick-oven. A brick-oven includes a catalyst layer in a smoke and odor removing filter in a tubular smoke exhaust section. In one example, a heater is provided in the vicinity of the catalyst layer of the catalyst treatment section of the smoke and odor removing filter.

Abstract: A container (101), suitable for the inclusion of at least one product therein, which comprises an integral, activatable, heating (or cooling) system for the product, which container includes a lining, the lining and container defining at least three mutually segregatable zones, these being i) one or more zones in which product may be contained; ii) a zone (116) in which a first kind of chemical reactant may be contained and iii) a zone (115) in which a second kind of chemical reactant may be contained, the container including a rotatable activator (107), for example, an activation knob, located at the exterior of the container, and, rotatably mounted within the container, and operative by rotation of the activator, means for terminating the segregation of ii) and iii) wherein the upper of ii) and iii) is not located so as to impede in service, heat transference from the reactant mass to i) (or vice versa) container suitable for the inclusion of at least one product therein, which comprises an integral, activa

Abstract: A tubular intake structure for a gas structure is formed in either side surface thereof with a through hole, a plurality of air deflectors is formed in the through hole and is inclined toward the flow direction of the gas. The air deflectors allow the air to flow enter the intake structures more smoothly. As a result, the mixture ratio of gas to air is more stable, and the flame of the burner is also more stable.

Abstract: A heat collecting device includes: a first vacuum device which includes a first housing and which defines a first vacuum chamber; a second vacuum device which includes a second housing that contains the first vacuum device and which cooperates with the first vacuum device to define a second vacuum chamber therebetween; a metal plate mounted within the first vacuum device and having a plate body and an extension portion extending from the plate body to project outwardly of the first and second vacuum devices, the metal plate being capable of absorbing heat energy from an external heat source through the first and second vacuum devices; an insulating layer enclosing the extension portion; and a thermoelectric semiconductor device attached to the extension portion of the metal plate, extending through the insulating layer, and disposed outside the second vacuum device for conducting the heat energy absorbed by the metal plate.

Abstract: The present invention relates to an improved process for extract purification of sugar beet raw juice, especially for reduction of lime consumption during the purification of sugar beet raw juice, to a process for producing a nutrient-rich non-sucrose concentrate from sugar beet raw juice, to the non-sucrose substance concentrate thus produced, to uses of the non-sucrose substance concentrate and to an apparatus for preliming sugar beet raw juice and/or for obtaining the non-sucrose substance concentrate.

Abstract: A fluid dispenser device comprising: a reservoir (1) of fluid to be dispensed; a dispenser member (2), such as a pump or a valve, mounted on said reservoir (1); and a body (3) that is suitable for receiving said reservoir (1), said body (3) being provided with a dispenser orifice and an opening (310) through which said reservoir (1) can be inserted into the body (3), said reservoir (1) being displaceable in said body (3) between a rest position and a dispensing position, said reservoir (1) being removable from said body (3); said reservoir (1) and said body (3) including respective ID means (10, 11) that make it possible to associate said reservoir (1) with said body (3).

Abstract: A breath actuated metered dose inhaler including a housing, a mouthpiece positioned at one end of the housing, and a mechanical release mechanism positioned at another end of the housing. The release mechanism is triggered by a diaphragm and the inhaler is configured such that the air inhalation pathway is unimpeded by the release mechanism.

Abstract: This inhaler has a drug vial part and diverging cone shaped mouthpiece (11). Drug vial (7) (with needed drugs in propellant, cosolvents) has a spray rod (8) fitting into a socket (9) with a nozzle (10) leading into the mouthpiece. Mouthpiece (11) has a small air hole (12) with a baffle (13) creating audible sound, for early inhalation triggering. A filter (14) covers the air hole. A dose counter (15) records use. The long mouth piece is kept in mouth, air inhaled, alerting sound is heard, drug vial is pressed, the spray is released at back of throat with longer, deeper and slow inhalation for more lung drug deposit and relief with clean filtered air and dose counter! Modified Insulin (protein) inhaler socket has separate propellant (7) and insulin vials (18)! Insulin vial has a piston (19) and valved exit (20) fitting the socket, before propellant vial.

Abstract: A medicinal aerosol product comprising a pressurized metered dose inhaler, including a canister equipped with a metering valve and containing a medicinal aerosol solution formulation, and an actuator comprising a nozzle block defining an actuator orifice s leading to an expansion chamber, wherein the formulation includes a cannabinoid, a hydrofluorocarbon propellant and an optional amount of an alcohol co-solvent, and the actuator orifice has a diameter of about 0.30mm or less, and/or is laser drilled.

Abstract: The present invention provides a dispensing apparatus for delivering metered doses of product from a pressurised dispensing container comprising: a housing comprising a body portion and a removable mouthpiece, the body portion containing a dose counting mechanism and a sleeve; the body portion comprising an aperture through which said pressurised dispensing container can pass to be received in the sleeve but through which the sleeve is unable to pass such that the sleeve is retained within the body portion; the sleeve being located in the body portion such that an upper end of said pressurised dispensing container when received in the sleeve is accessible to allow actuation of said pressurised dispensing container; the apparatus comprising means for retaining said pressurised dispensing container in the body portion.

Abstract: A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter comprises a first sensor for directly detecting a medicament release dispensible from said medicament container through said outlet is disclosed.

Abstract: The invention, in various embodiments, provides systems, methods and solutions using an organ ex vivo.

Abstract: An extendable lighted intubation stylet enables a clinician or emergency medical personnel to introduce a breathing tube into a person's trachea. The extendable lighted intubation stylet includes a handle, a switch, a sheath, an extension member, and a light source. The extension member can be extended or retracted relative to the sheath thereby increasing or decreasing the length of the extendable lighted intubation stylet. The light source provides for superior visualization of the airway compared to a standard laryngoscope bulb. In its extended configuration, the extendable intubation stylet is immediately available in the case of an unanticipated difficult airway and can be used as a bougie. The extendable stylet is lightweight and convenient because it can be folded and placed in a pocket or in a space critical location such as a field kit or portable airway bag.

Abstract: A respiratory hood system to prevent contaminants from coming into contact with a user's face, including a respiratory mask and a hood member. The hood member includes a facial portion that is substantially transparent and breathable, wherein the facial portion does not substantially restrict the user's vision. The hood member also includes a hood portion attached to the facial portion and configured to cover a portion of the user's head that is not covered by the facial portion.

Abstract: To make a user inhale a medicine having a constant particle diameter, an inhaler with which the user inhales the medicine through a suction port has a gas holding part in which exhaled air of the user or other air is to be stored an air flow path which is connected with the gas holding part and guides the medicine to the suction port by inhalation of the user and a medicine ejection part from which the medicine is to be ejected to the interior of the air flow path when the user inhales through the air flow path the exhaled air or other air stored in the gas holding part.

Abstract: A pressure-assisted breathing system is provided that comprises: a pressure-generating circuit for maintaining a positive pressure within the system; a patient interface device coupled to a patient's respiratory system; a respiratory circuit for providing gas communication between the pressure-generating circuit and the patient interface device; means for introducing aerosol particles into the gas flow in the respiratory circuit; and means for discontinuing the introduction of aerosol particles into said respiratory circuit gas flow when the patient exhales. In one embodiment, a flow sensor is disposed in an auxiliary circuit in fluid communication with the respiratory circuit and electronically coupled with a nebulizer. The flow sensor is adapted to detect changes in the volumetric flow rate of gas in the auxiliary circuit when the patient exhales and stops exhaling and sends corresponding electronic signals to the nebulizer to turn off and turn on, respectively.

Abstract: Regulator for underwater breathing apparatus of the type comprising a box-shaped body provided with a pressure-controlled membrane which divides the inside of the body into a first chamber communicating with the atmosphere and a second chamber communicating with a compressed-air inlet valve operated by a lever cooperating with said pressure-controlled membrane and also provided with an air discharge valve and a tube equipped with mouthpiece, characterized in that the box-shaped body of said regulator is made at least partially of thermally conductive polymers. Advantageously, said thermally conductive polymers used consist of engineering polymers having a matrix of polyamide, polycarbonate or PET (polyethylene terephthalate) or TPU (thermoplastic polyurethane) or the like containing metallic or graphite fibre or carbon fibre fillers dispersed within the polymer matrix.