Abstract: An automatic tappet clearance adjuster comprising a unit for adjusting the projection by advancing/retracting an adjust screw from the forward end of a rocker arm, a section for detecting the torque by rotating the adjust screw, and a control mechanism section for controlling the adjusting unit according to the torque value measured by the torque detecting section. The control mechanism section measures the torque value continuously when a valve is closed by retracting the adjust screw from the open state of the valve. A rotation reference position corresponding to the intersection of a first approximation line and a second approximation line approximating the sections immediately before and after the inflection point of differential value of the torque value is detected as a reference point, and the adjust screw is retracted by a set amount from the reference point.

Abstract: A mechanism for actuating an engine poppet valve includes two rotatable cams, a first rocker mounted on a pivot shaft and acting between a first of the two cams and the stem of the valve, and a second rocker mounted for rotation about a fixed axis and acting between the second of the two cams and the pivot shaft of the first rocker to raise and lower the pivot axis of the first rocker cyclically in synchronism with the rotation of the second cam, whereby the valve is operated in dependence upon the instantaneous sum of the lifts of the two cams.

Abstract: A control device for controlling an engine, comprising a variable lift mechanism capable of changing the lift of a valve and a variable compression ratio mechanism capable of changing a compression ratio in a combustion chamber. The control devise controls the variable lift mechanisms and the variable compression ratio mechanism so that, when a requested engine output is increased, a compression ratio decreasing rate is increased over a lift increasing rate and, when the requested engine output is reduced, a lift decreasing rate is increased over a compression ratio increasing rate.

Abstract: In a camshaft adjusting device comprising an adjusting mechanism for adjusting the phase positions of first and second camshafts with respect to a crankshaft driving the camshaft adjusting device, the adjusting mechanism includes an adjustment input and first and second outputs connected to the first and second camshafts respectively, with first and second transmission ratios, respectively, for changing the phase angles between the drive input and the first and second outputs respectively, at different rates when the adjustment input is actuated.

Abstract: In a vane-type variable valve timing adjusting mechanism (VCT), an OCV target current is set to the holding current to hold an actual advance amount in close proximity to the target advance amount during the execution of the holding control. In the holding control, when the deviation between the actual and target advance amounts reaches beyond the holding control region (determination threshold value) and enters into the micro displacement control region, the micro displacement control (pulse-current application control) is started, and the pulse current is applied to the hydraulic control valve to use advantages of pulse current to drive the VCT in the direction of the target advance amount. Thus, when the actual advance amount comes back into close proximity to the target advance amount, the holding control is restarted, and the OCV target current is set to the holding current to hold the actual advance amount at the target advance amount.

Abstract: A valve timing controller includes a guide rotation member provided with a guide groove, a bearing rotation member radially supporting the guide rotation member, and a plurality of movable bodies sliding in the guide groove in accordance with a rotation of the guide rotation member. A plurality of link mechanisms connects the bearing rotation member with each one of movable bodies respectively, and rotates the bearing rotation member in accordance with a movement of the movable bodies. The valve timing of at least one of the intake valve and the exhaust valve is adjusted in accordance with a rotation of the bearing rotation body. A clearance gap is provided between the guide rotation member and the bearing rotation member in order to permit a relative radial movement of the guide rotation member with respect to the bearing rotation member.

Abstract: The invention relates to a self-igniting gasoline internal combustion engine comprising at least one cylinder (1), a cylinder head (2) closing the cylinder (1), a piston (3) mounted in the cylinder (1) in a sliding manner, a combustion chamber (4) which is defined in the cylinder (1) between an upper face (3) of the piston (3) and a lower face (20) of the cylinder head (2), a means (5) for injecting gasoline into the combustion chamber (4), admission valves (7) and exhaust valves (8) which selectively close the combustion chamber (4), and an injection pump (8) for supplying the injector (5) with gasoline under pressure. According to the invention, the air-gasoline mixture is spontaneously ignited and the pressure of the gasoline supplied to the injector exceeds 250 bar.

Abstract: An internal combustion engine is provided that basically comprises a combustion chamber, an electric discharge unit and a controller. The combustion chamber receives a mixture of fuel and air that is caused to undergo compression self ignition. The electric discharge unit is provided inside the combustion chamber to generate an electric discharge for conducting combustion inside the combustion chamber. The controller is configured to control a voltage applied to the electric discharge unit. The controller is configured to control the electric discharge unit such that a non-thermal plasma can be formed without incurring a transition to arc discharging, and to control the quantity and distribution of an activated air-fuel mixture inside the combustion chamber in accordance with an operating condition of the internal combustion engine.

Abstract: This body (8) has on its outer surface both a screw thread (16) adapted for fixing the body (8) into a corresponding tapping in an engine (4), as well as a gripping zone (28), generally of cylindrical form with a hexagonal section, enabling gripping of the body (8) for screwing the glow plug (2) into the corresponding tapping. The outer diameter of the portion of the body between the thread (16) and the gripping zone (28) is throughout its entire height of a diameter at least equal to the outer diameter of the threaded portion (16). Application to internal combustion engines, in particular Diesel type engines.

Abstract: Provided is a control apparatus and a control method of an internal combustion engine which can intend to suppress a deterioration of an emission and suppress a reduction of a startability. According to the method, a target ignition timing at a time of starting an internal combustion engine is acquired (step ST101); an ignition timing is controlled to a spark advance side and an air fuel ratio of the internal combustion engine is controlled to a lean side (step ST103) if a start of a cranking is judged (step ST102); the ignition timing is controlled to a spark retard side (step ST106) if an end of a first cycle after the cranking is judged based on the acquired engine speed (steps ST104 and ST105); and a spark advance correction of the ignition timing to a spark advance direction in correspondence to an exhaust temperature is executed until the ignition timing comes to the target ignition timing (steps ST108, ST109, and ST110).

Abstract: In a starting device of an engine, a starter clutch is provided with an outer race that rotates with a rotor (starter member), and a cam interposed between the outer race and a starter gear. A through hole is formed in the rotor so as to face the outer race axially. A stepped section is provided between a radially outer portion of the outer race, the portion facing a radially outer edge of the through hole, and a radially inner portion of the outer race. The stepped section causes the radially outer portion to be thinner than the radially inner portion. The starting device is capable of ensuring a cooling capability of a stator coil even though the rigidity of the outer race is increased.

Abstract: An axial flow rotary valve for an engine, that is rotatable about an axis within the bore of a cylinder head. The valve communicating with a respective cylinder in which a piston reciprocates, and an ignition means associated with the cylinder. The valve is provided with inlet and exhaust peripheral openings that periodically communicate with cylinder through a window in the bore. A combustion chamber is formed in the space between the crown of the piston at top dead centre and the cylinder head and the valve. The ignition means comprising first and second spark plugs, each of said spark plugs having a nose located at one end thereof exposed to the combustion chamber, said noses being disposed on opposite sides of said window within the axial extremities of said window.

Abstract: A lightweight valve (1), in particular for internal combustion engines, is provided, with a valve stem (3), with a hollow valve cone (5) and with a valve disk (7) closing the valve cone (5), the valve disk (7) being provided with a recess (23) on its flat side facing the valve cone (5). The lightweight valve (1) has a valve cone (5) projecting with its end region of greater diameter into the recess (23).

Abstract: A gas sealing element of an array of floating seals for a rotary valve internal combustion engine. The engine comprising a cylinder head (6) having a bore (8), a rotary valve (1) within the bore with a predetermined clearance, and a window (12) in the bore communicating with a combustion chamber. The sealing element (15) having an elongate form and having a sealing face (23), an underside (24) opposite said sealing face, and first and second side faces (25,26) opposite each other, the sealing element being adapted to be located in a slot (20) in the cylinder head bore. The side face (25) of the sealing element facing the window having at least one channel (17) extending from the sealing face to the underside of the sealing element.

Abstract: A lubricating apparatus for an internal combustion engine is provided in which an oil discharge passage, extending from the oil pump, is provided for straddling the oil pump case and the tank body. A direction of the extension of the oil discharge passage is changed in the tank body such that the oil discharge passage further extends in parallel with a junction plane between the oil pump case and the tank body. An opening for pressure reception by a relief valve is provided in the oil discharge passage portion extending in parallel with the junction plane. By attaching the oil pump case such that an outside end portion of the relief valve is held by a portion of the oil pump case, the relief valve is fixed between the tank body and the oil pump case.

Abstract: A rocker box, pushrod assembly, oil delivery system, tappets and tappet guides are provided for an engine, particularly a shovelhead motorcycle engine. The rocker box includes a separable upper portion and lower portion with a seal for sealing the upper portion and lower portion when coupled together. The pushrod assembly includes an adjusting unit that collapses into a pushrod shaft. The oil delivery system includes an oil passageway(s) in a rocker shaft of a rocker arm assembly, and at least one of an oil passageway(s) in a rocker box and an oil passageway(s) in a pushrod assembly.

Abstract: An outboard engine unit having heat-generating electrical equipment. An intake port of an intake silencer is set at a distance from an engine, and air suctioned from the intake port is unlikely to be affected by heat produced by the engine. Electrical equipment is disposed in a direction of opening of the intake port, and air around the electrical equipment thereby circulates when air is suctioned from the intake port.

Abstract: An intake accelerator for an engine, the intake accelerator is installed in the front end of a pipe line at an intake of an engine to increase the efficiency of the engine. The main body of the accelerator is provided therein with a plurality of vortex guiding blades extending from a periphery to the center of the wall of a pipe, thereby a vortex passage is formed between every two neighboring ones of the vortex guiding blades; these vortex passages circle in the interior of the main body of the accelerator, so that after air flow enters the main body of the accelerator, it is guided to generate a plurality of vortexes running in the same direction, this can increase the air flow of the vortexes.

Abstract: A variable compression engine has a relief valve disposed in the combustion chamber thereof to reduce compression. The relief valve is open for a portion of the compression stroke of the engine. The open relief valve permits a portion of the fuel/air mixture introduced via the intake valve to leave the combustion chamber and return to the fuel supply or intake manifold via a check valve that prevent flow into the combustion chamber through the relief valve. Timing of the opening and closing of the relief valve is selectable via a cam-operated hydraulically operated by a camshaft rotating once for every two revolutions of the engine's crankshaft, or timing of opening and closing may be achieved by other suitable mechanisms. Additionally, the height of lift of the relief valve can be varied to further adjust compression around a selected relief valve opening point.

Abstract: There is provided a control system for controlling an internal combustion engine with an exhaust system provided with a catalyst, comprising a fuel cut means for stopping the supply of fuel to the internal combustion engine when the vehicle in which the internal combustion engine is mounted is in a decelerating state, the control system of an internal combustion engine characterized in that, in the case that the fuel cut is executed, when the speed SPD of the vehicle is higher than a predetermined first vehicle speed Sh, the intake air amount Ga of the internal combustion engine is made smaller than the intake air amount Gai of when the internal combustion engine is in the idling state (step 120), while when the speed SPD is the first vehicle speed Sh or less, the intake air amount Ga is made larger than the intake air amount Gai of when the internal combustion engine is in the idling state (step 130).

Abstract: A throttle valve for an internal combustion engine, the throttle valve having: a valve seat; a throttle disk, which engages the valve seat and is rotated by an electric motor between an open position and a closed position; a gear transmission connecting the electric motor to a shaft of the throttle disk; a position sensor for determining the position of the throttle disk; a housing chamber housing the electric motor, the gear transmission, and the position sensor; and a rigid plate, which is housed inside the housing chamber, and supports a stator of the position sensor, electric terminals of an electric connector, and a connecting printed circuit which connects the stator of the position sensor and the electric motor electrically to the electric terminals of the electric connector.

Abstract: An internal combustion engine has a plurality of cylinders, at least one cylinder being configured as a reference cylinder to which a cylinder pressure sensor is assigned, wherein at least one control element is assigned to each of the cylinders and provision is made for a crankshaft angle sensor. A combustion parameter is determined depending on the measurement signal (MS) of the cylinder pressure sensor, the combustion parameter being characteristic for the combustion process of the air/fuel mixture in the reference cylinder. At least one control variable for at least one control element is adjusted in relation to a plurality of cylinders depending on the combustion parameter, in the sense of adjusting the combustion process in the reference cylinder to a preset combustion process.

Abstract: Hydraulically driven pump-injector for internal combustion engines with hydromechanical return of the power piston (1) via an auxiliary cavity (13).

Abstract: A low-fuel consumption and low-pollution combustion system supplies an engine with a mixture, in which oxygen contained in air is separated from nitrogen through a PSA (pressure swing adsorption) whereby oxygen having purity above 95% and a fuel mixture is fed into and burned in the combustion chamber obtaining a desired engine output with low-fuel consumption. Nitrogen is previously removed so that nitride oxide can be minimized during combustion procedure and CO and toxic gas derived from incomplete combustion can be minimized. The system obtains high engine output and low-fuel consumption by reducing toxic gas derived from incomplete combustion. The system includes an oxygen separator for separating oxygen from nitrogen by introducing external air into adsorption towers with predetermined pressure while storing the oxygen separated from the nitrogen in an oxygen storage tank and exhausting the nitrogen.

Abstract: A fuel delivery system in accordance with the present invention comprises a fuel rail having an outlet opening and an outlet cup that is insertable into the outlet opening. The cup includes a flange. The flange includes at least one tab extending therefrom. The cup further defines a vertical axis extending therethrough. The system further includes a fuel injector with an inlet insertable within the cup. The system still further includes a retention clip. The clip includes an inner peripheral surface, at least a portion of which is configured for engagement with the injector when the clip and injector are assembled together. The clip further includes at least one arm, the arm further including a finger configured for spring engagement with the tab of the cup. The clip is operative to limit the movement of the fuel injector when it is assembled with the clip and inserted in the cup.

Abstract: An invention is disclosed for efficiently improving the working capacity and useful service life of an evaporative emission control canister by selectively heating the adsorbent towards the purge outlet of the vapor path.

Abstract: A leak detecting apparatus includes a canister adsorbing a fuel vapor evaporated in a fuel tank, a measure passage, a pump connected with the canister through the measure passage, and a pressure senor detecting a pressure in the measure passage. The pump depressurizes the measure passage, the canister, and the fuel tank so that a leakage of the fuel vapor is detected. When a blow-by of the fuel vapor is arisen, the pump is stopped to forcibly terminate a depressurization.

Abstract: An apparatus includes an exhaust gas recirculation (EGR) cooler (111) fluidly communicating with an intake system (117) and an exhaust system (109) of an engine (100). An EGR valve (113) is in fluid communication with the EGR cooler (111). A turbocharger turbine (103) has an inlet in fluid communication with the exhaust system (109) and an outlet in fluid communication with a vehicle exhaust system (177). A bypass valve (115) is in fluid communication with the EGR cooler (111) and the outlet of the turbine (103). A cooling system (200) includes a heater supply passage (222) and a heater return passage (224). A vehicle heater (220) is in fluid communication with the cooling system (200), wherein a flow path of coolant is defined between the EGR cooler (111), the heater supply passage (222), the heater (220), the heater return passage (224), and the engine (100).

Abstract: An integrated exhaust gas recirculation (EGR) cooler with dual coolant loops comprises an exhaust gas inlet and an exhaust gas outlet for recirculating exhaust gas. An exhaust gas flow path extends between the exhaust gas inlet and the exhaust gas outlet to direct recirculating exhaust gas from the exhaust gas inlet to the exhaust gas outlet. A first coolant flow path extends between a first coolant inlet and a first coolant outlet to direct a first coolant flow from the EGR cooler in heat exchange relation with the exhaust gas flow path. A second coolant flow path extends between a second coolant inlet and a second coolant outlet to direct a second coolant flow through the EGR cooler in heat exchange relation with the exhaust gas flow path.

Abstract: In a procedure for the functional diagnosis of an activateable fuel tank ventilation valve of the fuel tank system of an internal combustion engine, especially of a motor vehicle, whereby in specifiable time intervals when the fuel tank ventilation valve is activated to open, regeneration gas is added to the air drawn into the combustion chamber, whereby fuel is delivered to the combustion chamber, whereby the fuel, the air, respectively the fuel, the air and the regeneration gas are combusted in the combustion chamber and whereby by comparison of at least one operating parameter, which characterizes the combustion of fuel and intake air with the corresponding operating parameter, which characterizes the combustion of fuel, intake air and regeneration gas, inference can be made about the functional capability of the fuel tank ventilation valve, the HC-concentration of the regeneration gas is specifically affected by changing the regeneration gas stream.

Abstract: An internal combustion engine with an exhaust gas recirculation device has two cylinder groups, the exhaust gas from which can be discharged separately via a respective exhaust pipe. The recirculation line of the exhaust gas recirculation device branches off from one of the exhaust pipes and opens out into the induction section of the internal combustion engine. The cylinder groups can be operated with different power outputs, the recirculation line of the exhaust gas recirculation device branching off from the exhaust pipe of the cylinder group with a variable power output.

Abstract: In a system for venting a crankcase of an internal combustion engine of a motor vehicle provided with an exhaust gas turbocharger, comprising a first vent line which is in communication with the crankcase of the internal combustion engine and opens into an intake duct of the internal combustion engine, and a pump device for withdrawing blow-by gases from the crankcase of the internal combustion engine and increasing the pressure of the blow-by gases in the vent line to the charge air pressure in the intake duct of the internal combustion engine, a second vent line is connected to a bearing housing of the exhaust gas turbocharger and extends to the suction side of the pump device.

Abstract: A multi-spark ignition system for an internal combustion engine includes ignition coils each of which is mounted on one of spark plugs of an engine, an energy storing circuit, switching elements that repeatedly discharge electric energy stored by the energy storing circuit into the primary coil of the ignition coils; and a control circuit that controls the energy storing circuit and the switching elements according to consolidated signals each of which includes an energy storing command signal for storing electric energy into the energy storing circuit and a joint energy discharging period command signal for discharging the electric energy by the one of the spark plugs.

Abstract: A paintball gun triggering mechanism includes a front barrel, a rear barrel, a triggering barrel and a rear guide rod. A front end of the front barrel comprises a front ring formed inwardly and a retreating air inlet is provided behind the front ring. A front end of the rear barrel is fixedly connected to a rear end of the front barrel, and a retreating air outlet, a rear ring and a launching air inlet are provided in sequence behind the connecting portion of the front barrel and the rear barrel. The triggering barrel comprises a center ring formed at a center outer portion thereof and is placed in the front barrel and the rear barrel. The rear guide rod has a piston at a front end thereof to be inserted into the triggering barrel, and has its rear end secured to the rear end of the rear barrel.

Abstract: A wire saw 10 is laid across sheaves 12, 14, 16, and 18 arranged within a substantially horizontal plane. The sheave 12 is rotated by a rotary motor 30 to horizontally drive the wire saw 10. Within a region formed by the wire saw laid across the sheaves, a stone material 80 is set on a carriage 82. The carriage 82 is provided with front wheels 83 and rear wheels 84, and the wheels are set on the pair of rails 85 laid so as to extend in a direction substantially orthogonal to a cutting portion 10A of the wire saw. When the carriage 82 is moved in the direction of the arrow F2 and the stone material 80 is brought into contact with the cutting portion from the inner side of the region formed by the wire saw, the wire saw smoothly bends within the same plane.

Abstract: A water heater comprising: a case main body; a front cover for closing a front opening of the case main body; a waterproof packing member interposed between a first inner peripheral flange formed on an inner peripheral edge of the front opening of the case main body and a second inner peripheral flange formed on an inner peripheral edge of a rear end of the front cover; and a water receiver which is located below the waterproof packing member disposed in an upper region and which extends from the first inner peripheral flange of the case main body or the second inner peripheral flange of the front cover.

Abstract: A method of hydrolyzing an organic compound (in particular, polysaccharides such as starch, guar gum, or cellulose), characterized in that the hydrothermal reaction is performed in hot water with a pressure of 5 to 100 MPa and a temperature of 140 to 300° C., containing carbon dioxide being added by pressure application.

Abstract: A hermetically sealed metal receptacle containing a medicinal aerosol formulation, preferably a pressurized medicinal aerosol formulation, or a liquefied aerosol propellant, wherein at least a portion of the receptacle comprises metal foil having a thickness of from 25 ?m to 250 ?m which is laser welded to form an hermetic seal.

Abstract: A method of treating a patient with a pulmonary disease, where the method includes delivering a dose of aerosolized medicament intermittently to a ventilator circuit coupled to the respiratory system of the patient. Also, a method of treating a patient with a pulmonary disease, where the method includes taking the patient off a ventilator, and administering to the patient, a nebulized aerosol comprising from about 100 ?g to about 500 mg of a medicament. Also a method of treating a patient with a pulmonary disease, the method comprising administering an aerosolized first medicament comprising amikacin to the patient and administering, systemically a second medicament comprising an antibiotic to the patient that also treats the pulmonary disease, wherein a resulting amikacin concentration in the lung and/or pulmonary system is therapeutically-effective, and an amount of the systemically administered antibiotics is reduced.

Abstract: Apparatus for delivering toxin and toxin fragments to a patient's nasal cavity provide for both release of the toxin and delivery of energy which selectively porates target cells to enhance uptake of the toxin. The use of energy-mediated delivery is particularly advantageous with light chain fragment toxins which lack cell binding capacity.

Abstract: Methods are disclosed for designing improved flexible tubes and production methods which have improved flexibility and resistance to collapsing under load or during bending. Methods for injection molding a flexible tube (2) and providing at least one support member (4) that is arranged to provide improved lateral support to reduce lateral collapsing of the flexible tube (2). Methods for using and fabricating flexible tubes (2) are also provided for various shapes of support members (4) including annular ribs, helical ribs, spaced apart coils (128), narrow ribs, wide supports, as well as for various cross sectional shapes of flexible tubes (2), including streamlined elongated hydrofoil shaped cross sectional shapes relative to the longitudinal axis of flex tube (2).

Abstract: The present invention provides a sterilizing facemask with a multi-layer filter, which discloses a first sterilizing layer and a second sterilizing layer. The first sterilizing layer uses ultraviolet light or visible light in external light for providing hydroxyl free radicals to sterilize inhaled air. Because the second sterilizing layer is inside of the facemask, there is no light provided. The second sterilizing layer inactivates the enzyme of bacteria's sulfhydryl group to sterilize exhaled air. In addition, in accordance with types of germs carried by users, the material of the second sterilizing layer can be further modified to ensure that the exhaled air is sterilized.

Abstract: A sterilizing facemask with a multi-layer filter discloses a first sterilizing layer and a second sterilizing layer. The first sterilizing layer provides inhaled aseptic air such as using ultraviolet light or visible light in external light hydroxyl free radicals to sterilize. The second sterilizing layer provides exhaled aseptic air from human such as using inactivated the enzyme of bacteria's sulfhydryl group to sterilize. In addition, in accordance with types of germs carried by users, the material of the second sterilizing layer can be further modified to ensure that the exhaled air is sterilized.

Abstract: An atomizer for the delivery, and in particular, the atomization of a formulation, particularly, a powder. A simple construction and simple intuitive operation are made possible, in particular, by the fact that the atomizer has a mouthpiece with an associated cover, so that opening and/or closing of the cover causes a delivery medium, in particular air, to be taken in and/or put under pressure by a delivery device, a spring store is put under tension and/or a preferably annular reservoir containing a plurality of doses of the formulation is further rotated.

Abstract: An inhaler for delivering a preferably powdered formulation from a blister strip having a plurality of blister pouches. In order to achieve a compact simple construction for the inhaler and an easy action for the blister strip, the carrier extends over a circumferential angle of the inhaler of less than 360°. In particular, the carrier is guided between two deflectors with an at least substantially constant curvature, and preferably, exclusively along an outer wall of the inhaler. A conveying device of the inhaler has four drive wheels of the same diameter which are arranged on a common radius and are driven by common drive means in the same direction of rotation.

Abstract: A breathing assistance apparatus (200) is disclosed, for use with delivery of respiratory gases to a patient. The breathing assistance apparatus includes a patient interface, having a body section adapted to cover the nose, or nose and mouth of a patient and a sealing interface. The sealing interface includes at least an outer sealing member. The outer sealing member (201) is adapted to attach to the body section in a sealing manner and has a substantially thin section (203) in at least its nasal bridge region. The thin section is substantially thinner than the rest of the outer sealing member.

Abstract: An enhanced convection heat-treatment system and method is configured to direct airflow with a plurality of air-paths past product, such as loaves of bread, to impart heat to the product and past a heating system to impart heat to the air. The enhanced system operates in a first mode with airflow along each of the plurality of air-paths in a first direction. The enhanced system operates in a second mode with airflow reversed although substantially along each of the same plurality of air-paths in an opposite second direction to assist in uniform heat-treatment of the product. For instance, as a convection oven, the enhanced convection heat-treatment system could distribute airflow evenly over a baked product resulting in an even bake of the product.

Abstract: A manually operated respiration apparatus, including a respiration housing, provided with a respiration channel for connection with a patient to whom artificial respiration is to be applied, which respiration channel is connected via a valve system connected to a balloon unit for supplying air to the patient via the respiration channel and with an outflow port for evacuation of air exhaled by the patient. The balloon unit includes a resilient bellows provided with a first opening with a non-return valve and a second opening. The second opening of the bellows is connected with the inflow port of the respiration housing. Upon squeezing the bellows, air exits the bellows via the second opening. Upon releasing the bellows, it rebounds and draws in air via the first opening. The bellows is provided with an overpressure protection for evacuating air from the bellows when a predetermined pressure value is exceeded.

Abstract: A device for applying treatment, or therapy, to a body part directs air efficiently and effectively to the body part by using an air diverter. In particular, a device for treating a body part, such as a massager, has one or more treatment areas positioned to deliver treatment to the body part and an air blower having an air outlet that creates a flow of air in an outward direction from the air outlet. The air diverter is positioned to divert the flow of air to the one or more treatment areas.

Abstract: A harness assembly for a nasal mask for communicating breathable gas to a patient's airways includes a cap portion adapted to engage an occipital region of the patient's skull in use and side straps extending from the cap portion. The cap portion includes an upper strap portion and a lower strap portion that cooperate to define an opening through which the occiput region at least partially protrudes in use. Each of the side straps includes hook and loop connectors.