23rd week of 2010 patent applcation highlights part 7 |
Patent application number | Title | Published |
20100139571 | AQUATIC APPARATUS WITH MIRROR - Provided are, among other things, aquatic apparatuses. In one, an aquarium is at least partially filled with water, and a mirror is disposed within the water, the mirror having a reflective surface area that is between 1-40 square inches. In another, an aquarium is at least partially filled with water, and a mirror is attached to, and thereby suspended beneath, a buoyant object in the water. In yet another, a mirror is attached a buoyant object, the mirror having a reflective surface area that is between 1-40 square inches. | 2010-06-10 |
20100139572 | Swiflets Farming for Production of Edible Bird's Nests - A swiftlet breeding facility, for use in creating and harvesting edible bird's nests. The facility includes sub-systems for injecting live insect and worm prey, and water, into an aerial enclosure to provide a feeding system imitative of a natural swiftlet feeding environment. | 2010-06-10 |
20100139573 | Pet carrier strapping system - The pet carrier includes a pair of lateral straps attached or attachable to lateral ends of the pet transport device to form loops adapted for extending the vehicle seat belt therethrough to secure the frame of the device to the vehicle seat. The strapping system also has a third strap having one end forming a loop on the exterior of the pet carrier or transport device, and an opposite end extending into the interior of the carrier, pet seat, or other transport device and terminating in a snap hook or the like for attachment to a pet collar. The vehicle seat belt also extends through the third strap's loop so that both the carrier and a pet tether are restrained by the vehicle's seatbelt. | 2010-06-10 |
20100139574 | Method and device for automatically bringing a fluid into contact with the teats of an animal - A dipping device for a milking system, especially for an automatic milking system designed as a milking robot with teat cups to be placed onto the teats of an animal to be milked, which is designed for contacting the teats of the animal with at least one fluid or several fluids, and the device has several dipping valve arrangements so that the dipping agent introduction to each teat of the animal can be controlled separately. | 2010-06-10 |
20100139575 | SYSTEM AND METHOD FOR TRACKING, MONITORING, AND LOCATING ANIMALS - A light accessory is provided for a remotely controlled animal training system, allowing visual tracking of an animal in low ambient light conditions. The light accessory may be a stand-alone accessory or be in conjunction with a wireless receiver. The light accessory may be controlled by an accessory channel that exists in the remotely controlled animal training system, or may be controlled by the presence of a generic proximate radio frequency transmission. | 2010-06-10 |
20100139576 | ELECTRONIC FENCE SYSTEM - An electronic fence system capable of guiding animals under training to return to a predetermined restricted area is disclosed. The fence system may utilize either a plurality of loops to determine direction of travel for a receiver unit or, alternatively, a GPS system. For embodiments utilizing the GPS system, electronic fences are defined in relation to GPS location information. A lock-down mode is used to contain an animal to a very constricted area when a control command is received to initialize the lock down mode or upon a specified condition. Specified conditions include the animal approaching or entering a specified area or, alternatively, a threshold level of charge being reached for a battery that provides power for the receiver unit. | 2010-06-10 |
20100139577 | Brake furnace - The present invention relates to a method and apparatus for heating liquid for use in a radiant heating system. More specifically it relates to transferring heat generated from friction caused by pressing brake pads against rotating wheels to a thermally conductive liquid being pumped through said rotating wheels and circulating the heated liquid through a radiator type space heating system. | 2010-06-10 |
20100139578 | BOILER WITH FLAT HORIZONTAL TUBES - The present invention relates to a boiler having horizontally arranged flat rectangular water tubes comprising: a water chamber; an inner water chamber to be connected with horizontal water tubes, said horizontally arranged water tubes forming multi-step water tube groups; induction plates provided in the inner water chamber blocking the water path of the horizontal water tubes alternatingly in such a manner as to bend the water path in a zigzag manner; an exhaust gas discharge conduit in straight lattice lines formed by narrow gaps between the horizontal water tubes; and an exhaust gas discharge chamber formed in an upper water chamber. The flat horizontally arranged rectangular water tubes are narrow in their width, making it possible to arrange them densely in the limited space of the combustion chamber, and with their increased heat receiving areas, the water tubes can heat the water in the boiler fast. | 2010-06-10 |
20100139579 | WATER HEATER SPECIAL FOR BATHROOM - A water heater especially for bathroom includes a hair filter ( | 2010-06-10 |
20100139580 | ARRANGEMENT FOR THE ADJUSTMENT OF EQUIPMENT FOR A BOILER - The arrangement is for positioning equipment in association with an opening in a boiler wall and has a rotation mechanism that rotates the equipment around a virtual rotation axis that lies within the outer wall of the boiler. During the use of a liquor spreader for the introduction of combustible material, the opening of the liquor spreader is arranged in the virtual center of rotation so that the point at which the combustible material is introduced is retained independently of the angle of rotation. The liquor spreader is united either with a glide device or the guide in the rotation mechanism. | 2010-06-10 |
20100139581 | VESSEL FOR COOLING SYNGAS - A vessel for cooling syngas comprising | 2010-06-10 |
20100139582 | Cooling System and Method for a Vehicle Engine - The present invention relates to a cooling system for an internal combustion engine. The cooling system can be used in a hybrid electric vehicle. The system includes electric pumps in fluid communication with the engine and a control unit that governs the pumps. The pumps can be configured to supply fluid to either a cylinder block or cylinder head and backflow fluid through either the cylinder block or cylinder heads. Various arrangements of electrical and mechanical pumps are disclosed to control fluid flow and pressure. | 2010-06-10 |
20100139583 | VARIABLE VENT SYSTEM INTEGRATED INTO A VEHICLE FRONT END GRILL - A system for variable engine compartment ventilation in a slim and compact unit with components used in non-related industries. The system can have at least one bank of movable louvers rotatably mounted within a louver frame for guiding a flow of air into a vehicle engine compartment; a motor to rotate the louvers with a motor gear formed on an output shaft rotatably connected in parallel to at least one helix cable by a helix cable drive gear and a louver pinion gear integral with each louver engaging the helix cable along its length; and a control unit for operating the assembly of movable louvers in response to an output signal from a vehicle communication bus. The output signal of the vehicle communication bus can be in response to input from an engine coolant temperature sensor or a vehicle speed sensor. | 2010-06-10 |
20100139584 | Intercooler Assembly for Vehicle - An intercooler assembly for a vehicle. The intercooler assembly may include an inflow portion on which an inflow hose is mounted, the inflow portion including a buffering space to temporarily accumulate an in-flowing air, a first cooling portion fluidly connected to the inflow portion, an outflow portion on which an outflow hose is mounted, a second cooling portion fluidly connected to the outflow portion, and a turnaround portion fluidly connecting the first cooling portion and the second cooling portion, wherein the turnaround portion changes a flow direction of the in-flowing air and guides the in-flowing air toward the outflow portion so as to discharge the air. | 2010-06-10 |
20100139585 | CRANKCASE VENTILATION FILTER ASSEMBLY - A filter assembly ( | 2010-06-10 |
20100139586 | CORE FOR THIN-WALL HOLLOW CASTING AND THIN-WALL HOLLOW CASTING PRODUCED BY PRODUCTION METHOD EMPLOYING IT - It is a technical common knowledge that a chaplet used in casting of a hollow casting is fusion-bonded with the melt and is incorporated into the casting. However, the adhesion between the chaplet and the casting body is not necessarily satisfactory, thereby incurring the strength reduction of a thin-wall hollow casting. A core for a thin-wall hollow casting according to the present invention is provided with a chaplet mounted thereon. The chaplet has arcuate portion | 2010-06-10 |
20100139587 | Continuously Variable Valve Actuation System - A continuously variable valve actuation (CVVA) system may include a driving cam firmly fixed to a crank shaft and rotated by a driving force of the crank shaft, a driven cam configured to rotatably contact the driving cam, wherein the driven cam is selectively pressed by the driving cam to rotate around one end thereof serving as a rotational axle and has a cam face at the other end thereof so as to press and open a valve when pressed, and a swing arm, one end of which is pivotally coupled to a stationary member and the other end of which is coupled to the one end of the driven cam to be rotated around the rotational axle of the swing arm. | 2010-06-10 |
20100139588 | Continuously Variable Valve Lift Apparatus - A continuously variable valve lift apparatus may include a control shaft, a camshaft in which a cam is formed thereto, an eccentric member connected to the control shaft, a follower slidably contacting the cam, a follower arm that is extended from a follower ring mounted around the eccentric member, a variable ring slidably mounted on the eccentric member and a variable arm extended from the variable ring, an output ring slidably mounted on the control shaft and an output arm extended from the output ring, wherein an output cam is integrally formed to the output arm and an end portion of the output cam is pivotally coupled to one end portion of the output arm, a first link pivotally connecting the follower arm and the variable arm, and a second link pivotally connecting the variable arm and the output arm. | 2010-06-10 |
20100139589 | Variable Valve Lift Apparatus - A variable valve lift apparatus may include an inner body of which an end is pivotally connected to an anchor, an outer body of which an end is pivotally connected to the anchor, a roller finger follower of which an end is pivotally connected to a hydraulic lash adjuster, wherein a portion of the roller finger follower is pivotally connected to the outer body, a valve disposed to the other end of the roller finger follower, and a connecting unit selectively connecting the inner body and the outer body. | 2010-06-10 |
20100139590 | Apparatus for Adjusting Deviation of Engine and Continuously Variable Valve Lift Device Including the Same - An apparatus for adjusting deviation of an engine and a continuously variable valve lift device including the same are provided. The apparatus for adjusting deviation of an engine includes an adjustment member connecting a rocker arm to plural output cams, respectively, to adjust lengths between the rocker arm and the output cams, respectively, so that the lengths become equal to or different from each other. The continuously variable valve lift device includes an eccentric cam shaft with eccentric cams installed on its outer periphery, a rocker arm rotatably installed on the eccentric cams to interlock with plural output cams, and apparatus for adjusting deviation provided on the rocker arm to adjust lengths between the rocker arm and the output cams so that the lengths become equal to or different from each other. | 2010-06-10 |
20100139591 | VARIABLE VALVE DEVICE OF INTERNAL COMBUSTION ENGINE AND CONTROLLER THEREFOR - A controller of a variable valve device is configured to, before starting an internal combustion engine, set an operation angle varying mechanism to control an intake valve of the engine to have such an operation angle as to retard a valve close timing of the intake valve relative to a piston bottom dead center; define a given period from a instruction time when an instruction signal is fed to the controller for starting the engine to a time when a combustion of air/fuel mixture is actually commenced in the engine; and when, in the given period, a temperature representing the temperature of the engine is lower than a predetermined temperature, reduce the operation angle of the intake valve so as to bring the valve close timing of the intake valve near to the piston bottom dead center. | 2010-06-10 |
20100139592 | VARIABLE VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A variable valve timing control apparatus for an engine includes a variable valve timing unit, a lock pin, a hydraulic control unit, and a lock control unit. The lock control unit causes the lock pin to lock the camshaft phase at an intermediate lock phase when a lock request is issued. When the lock request is issued, the camshaft phase is shifted in a reference direction to go beyond the intermediate lock phase while the lock pin is urged in a lock direction. When the camshaft phase stops around the intermediate lock phase, the lock control unit changes a control amount of the hydraulic control unit by a certain amount to shift the camshaft phase. The lock control unit determines that the camshaft phase has been locked at the intermediate lock phase when the camshaft phase is not shifted even after the lock control unit changes the control amount. | 2010-06-10 |
20100139593 | VARIABLE VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A variable valve timing control apparatus for an engine includes a variable valve timing unit, a lock pin, a hydraulic control unit, and an oil filling control unit. An operation mode of the hydraulic control unit is changed between a lock mode, in which the lock pin locks the camshaft phase at the intermediate lock phase, and a phase feed-back control mode, in which the camshaft phase is controlled to a target phase. The oil filling control unit supplies oil to an advance chamber and a retard chamber of the variable valve timing unit before the operation mode is changed from the lock mode to the phase feed-back control mode after an engine start. The oil filling control unit causes the lock pin to keep locking the camshaft phase until the oil filling control is completed after the engine start. | 2010-06-10 |
20100139594 | Valve drive for activation of gas exchange valves of internal combustion engines - A valve drive for activation of gas exchange valves of internal combustion engines, with which valve stroke switching is accomplished with little effort, a low construction height, and at low switching forces. Incorrect switching and damage to the camshaft during valve stroke switching are avoided, even at high engine speeds of rotation. An adjustment shaft that is rotatable by the camshaft and parallel to the camshaft has two adjustment devices rotatably disposed on it, along with two tappets between the adjustment devices. The tappets are connected with a shift gate for valve switching between two different cam profiles of a cam package that is axially displaceable on the camshaft. The tappets each have a contour that contacts the adjustment devices via a guide pin. A gear wheel engages with a gear segment on the camshaft, via a drive on the adjustment shaft, to rotate the adjustment shaft. | 2010-06-10 |
20100139595 | END PIVOT VALVE TRAIN - An end pivot valve train is provided in a cylinder head to open and close a cylinder valve. The end pivot valve train includes a cam follower forcing the cylinder valve, and a cam holder assembled onto an upper portion of the cylinder head and includes a receiving groove to receive the cam follower therein, wherein the cam holder has a protrusion configured and dimensioned to interfere with an upper surface of the cam follower when the cam follower rotates such that a longitudinal edge thereof moves up. | 2010-06-10 |
20100139596 | VALVE SPRING DEVICE AND VALVE TRAIN OF ENGINE USING THE SAME - A valve spring device is provided with a first coil spring and a second coil spring combined in series with each other. The inside diameter (coil inside diameter) of the second coil spring is greater than the outside diameter (coil outside diameter) of the first coil spring. A part of the first coil spring including an end portion along an axis is inserted into the second coil spring, thereby forming a combined spring. The end portion of the first coil spring and an end portion of the second coil spring are connected to each other by a connecting member. The first and second coil springs are compressed along the axis as they are located in series between a cylinder head and a retainer. A shaft of a valve is passed within the coil springs. | 2010-06-10 |
20100139597 | APPARATUS AND METHODS FOR CONDITIONING FUEL TO INCREASE THE GAS MILEAGE OF AN INTERNAL COMBUSTION ENGINE - An apparatus for conditioning fuel includes an enclosure that maintains a void and an opposed volume of an electrolytic solution, and an electrically charged electrode structure positioned in the volume of the electrolytic solution generating electrolysis in the electrolytic solution to produce hydrogen gas that passes into the void from the electrolytic solution. A fuel supply line of an internal combustion engine is coupled in gaseous communication with the void to receive the hydrogen gas from the void and apply the hydrogen gas to fuel flowing through the fuel supply line to condition the fuel with the hydrogen gas. | 2010-06-10 |
20100139598 | METHOD OF INCREASING THE COMBUSTION EFFICIENCY OF AN INTERNAL COMBUSTION ENGINE - In a method of increasing the combustion efficiency of a gasoline/diesel internal combustion engine for vehicles, vessels, aircraft, generators, etc., an adequate amount of additive is added to and mixed with gasoline/diesel fuel. The additive includes a plurality of highly electrically and thermally conductive carbon nanocapsules of a hollow polyhedral carbon cluster material having a size from a few to several decades of nanometers. The carbon nanocapsules attach to all gasoline molecular groups or diesel molecules. When the gasoline or diesel fuel is released into a combustion chamber of the internal combustion engine and ignited to burn, the carbon nanocapsules are electrically or thermally induced and release energy for all the gasoline molecular groups or diesel molecules being attached by the carbon nanocapsules to burn synchronously and uniformly. Thus, the problems of downward inclined temperature gradient, incomplete combustion, and carbon deposition in the internal combustion engine can be avoided. | 2010-06-10 |
20100139599 | HEATING DEVICE INCLUDING CATALYTIC BURNING OF LIQUID FUEL - A heating device ( | 2010-06-10 |
20100139600 | STATIONARY BLOCK ROTARY ENGINE/GENERATOR - An internal combustion engine, and an optional integrated electrical generator, both enclosed in a single waterproof and dustproof case. The engine has at least one cylinder and piston which extends radially from an axis of rotation about which a cam track assembly rotates. The engine block, including at least one cylinder, remains stationary. | 2010-06-10 |
20100139601 | CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - A control system for an internal combustion engine having a valve operating characteristic varying device which continuously changes a lift amount of at least one intake valve. Operation of a start switch, which instructs the start of the engine is detected. The engine is started after a predetermined delay time period has elapsed from the moment the operation of the start switch is detected. The valve operating characteristic varying device is operated during the predetermined delay time period, and a failure determination of the valve operating characteristic varying device is performed. | 2010-06-10 |
20100139602 | Intake Manifold for Vehicle and Intake System Including the Same - An intake system of an engine for a vehicle, may include a surge tank including a first flange, and an intake manifold including a second flange connected with the first flange of the surge tank, wherein the intake manifold may include a main body including a fuel rail and intake ports corresponding to cylinders, and a guide member provided on the main body to guide the surge tank coupled with the main body in a direction where the surge tank becomes separated and more distant from the fuel rail of the intake manifold when a vehicle collision occurs. | 2010-06-10 |
20100139603 | INTERNAL COMBUSTION ENGINE - An internal combustion engine having a plurality of cylinders and an air intake system, with the air intake system formed from at least one distributor pipe, a plurality of intake pipes and at least one plenum, and with the plenum positioned between the distributor pipe and the intake pipes. Here, the combustion air is fed to the air intake system via an air guiding duct which opens out into the distributor pipe, with the charge pressure of the combustion air reduced between the outlet out of the compressor and the inlet into the combustion chamber. A distributor pipe length is dimensioned as a function of an equivalent distributor pipe diameter such that it is possible for a reduction in the charge pressure to be obtained within the air intake system by expansion taking place partially in the plenum in the respective intake pipe and/or within the distributor pipe. | 2010-06-10 |
20100139604 | INLET MECHANISM FOR AN AIR INDUCTION SYSTEM - An inlet mechanism for a vehicle air induction system is disclosed, the inlet mechanism including a main body disposed in a housing, wherein the main body is selectively positionable within the housing to control a volume of airflow therethrough over a range of engine speeds. | 2010-06-10 |
20100139605 | OIL DISCHARGING STRUCTURE FOR BALANCE SHAFT MODULE - The present invention features, generally, an oil discharging structure of a balance shaft module which can smoothly discharge oil pumped by a balance shaft outside of the balance shaft module by forming an oil guide surface in a ladder frame that is installed in an upper part of the balance shaft module. The oil discharging structure of the present invention preferably includes a balance shaft housing that is rotatably supported with a balance shaft inserted therein; oil discharge holes formed in the balance shaft housing so that oil in the balance shaft housing is discharged to the outside by the balance shaft; and an oil guiding means that is provided in a ladder frame mounted on an upper part of the balance shaft housing in order to induce the oil discharged through the oil discharge holes to the outside of the balance shaft housing. | 2010-06-10 |
20100139606 | BAFFLE PLATE - A baffle plate includes a discharge portion that discharges lubricating oil that has dropped onto the baffle plate, to an oil pan. The discharge portion extends to be inclined in a direction in which cylinders are arranged, with respect to a rotation central axis of a crankshaft. The discharge portion includes a guide groove in which an upstream portion in a rotational direction of the crankshaft is located under a counter weight, and a downstream portion in the rotational direction of the crankshaft is located under a crank bearing. The discharge portion includes a discharge hole that is formed in the downstream portion of the guide groove in the rotational direction, and that provides communication between the oil pan and an engine block. | 2010-06-10 |
20100139607 | WET CYLINDER SLEEVE HAVING A CAVITATION-RESISTANT SURFACE - A wet cylinder liner, which exhibits a cast basic body comprised of a cast iron alloy, has at least one outer surface area of which exhibits a thermal injection layer consisting of a basic iron alloy as a coating, with a layer thickness of 1 μm to 1000 μm. | 2010-06-10 |
20100139608 | Portable handheld work apparatus and method of making the same - A portable handheld work apparatus has at least one work tool which is driven by an internal combustion engine ( | 2010-06-10 |
20100139609 | Lubrication Apparatus of Fuel Pump Driven By Fuel Pump Drive Cam - A lubrication apparatus of a fuel pump, which lubricates a tappet and a fuel pump drive cam of the fuel pump, may include a cylinder head having an oil gallery formed therein and a camshaft disposed therethrough, wherein the fuel pump is coupled to the cylinder head, and a penetrating passage penetrating the cylinder head and connected to the oil gallery to supply oil from the oil gallery to the inside of a fuel pump adaptor connected to the fuel pump. | 2010-06-10 |
20100139610 | Lubrication Apparatus of Fuel Pump Driven by Fuel Pump Drive Cam - A lubrication apparatus of a fuel pump driven by a fuel pump drive cam, which lubricates a tappet moving reciprocally at an interior circumference of a fuel pump adaptor and the fuel pump operating the tappet, may include a fuel pump adaptor lubrication passage formed in the fuel pump adaptor and communicating with an oil gallery formed inside a cylinder head so as to supply oil in the fuel pump adaptor. | 2010-06-10 |
20100139611 | HYDRAULIC PUMP WITH VARIABLE FLOW AND PRESSURE AND IMPROVED OPEN-LOOP ELECTRIC CONTROL - The present invention is a variable displacement pump system for delivering precisely controlled oil flow and pressure, including a variable displacement pump having an inlet passage, an outlet passage, a first chamber and a second chamber for controlling the displacement of the variable displacement pump. The present invention also includes a fluid control device for receiving fluid from the outlet passage, and selectively delivering fluid to the second chamber. Fluid is delivered from the inlet passage to the outlet passage from the variable displacement pump, and fluid is also delivered from the outlet passage to the first chamber and the fluid control device. When fluid pressure is greater in the first chamber relative to the second chamber, the displacement of the variable displacement pump will decrease, and when fluid pressure is greater in the second chamber relative to the first chamber, the displacement of the variable displacement pump will increase. | 2010-06-10 |
20100139612 | ROTARY PISTON COMBUSTION ENGINE - Combustion engine ( | 2010-06-10 |
20100139613 | PLASMA-VORTEX ENGINE AND METHOD OF OPERATION THEREFOR - A plasma-vortex engine ( | 2010-06-10 |
20100139614 | METHOD OF PILOT INJECTION CONTROL AND SYSTEM THEREOF - Change in number of pilot injection is avoided in a transient response of an engine, so that driving feeling and travelling feeling are improved. | 2010-06-10 |
20100139615 | DIRECT INJECTION FLATHEAD ENGINE - A direct injection flathead engine comprising an internal combustion cylinder block with at least one fuel injector positioned substantially transverse to the cylinder axis. The engine also comprises at least one exhaust valve positioned substantially near the at least one fuel injector, where the exhaust valve is on the same side of the piston as the fuel injector. In one aspect, a fuel injector is positioned substantially transverse to the cylinder axis, whereby a substantial portion of the fuel may be sprayed on top of the hot exhaust valve and deflected towards the spark plug, thus forming a stratified charge around the spark plug. | 2010-06-10 |
20100139616 | DEVICE FOR ACTUATING THE DECOMPRESSION ENGINE BRAKE IN AN INTERNAL COMBUSTION ENGINE - A device for actuating the decompression engine brake in an internal combustion engine provided with hydraulic tappets is described, characterized by: an additional rocker arm ( | 2010-06-10 |
20100139617 | AIR INTAKE DEVICE FOR ENGINE - An air intake device for an engine is provided that includes a throttle body ( | 2010-06-10 |
20100139618 | Control method for deceleration of vehicle including continuous valve lift apparatus and system for the same - A control method and a control system for deceleration of a vehicle including a continuous valve lift apparatus (CVVL) may include determining whether fuel cutting condition is satisfied, determining whether brake pedal input signal is detected and controlling deceleration according to brake pedal input signal by at least one of controlling throttle opening angle and controlling valve lift of the CVVL. | 2010-06-10 |
20100139619 | Fuel delivery system having multi-output pump - A fuel delivery system for a combustion engine is provided. The fuel delivery system includes an exhaust treatment device, a fuel injection unit, a fuel supply, and a fuel pump. The fuel pump includes at least one inlet configured to receive fuel from the fuel supply. A first fixed-output pumping element is configured to generate a first fuel flow at a first pressure and a first flow rate. A second fixed-output pumping element is configured to generate a second fuel flow at a second pressure and a second flow rate. At least one of the second pressure and the second flow rate is different from the first pressure and the first flow rate. A first outlet is configured to direct the first fuel flow to the fuel injection unit. A second outlet is configured to direct the second fuel flow to the exhaust treatment device. | 2010-06-10 |
20100139620 | METHOD FOR CONTROLLING AN INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE - In a method for pressure control in an injection system of an internal combustion engine, a pump efficiency dependent upon the type of pump is taken into account in the control of a high-pressure stored value. To this end, the pump efficiency may be determined based on a stored table or a proximity function. | 2010-06-10 |
20100139621 | STACKED PIEZOELECTRIC DEVICE - A stacked piezoelectric device | 2010-06-10 |
20100139622 | SPARK IGNITION TYPE INTERNAL COMBUSTION ENGINE - In an internal combustion engine, a variable compression ratio mechanism able to change a mechanical compression ratio and a variable valve timing mechanism able to control the closing timing of an intake valve are provided. At the time of engine low load operation, the mechanical compression ratio is made the maximum so that the expansion ratio becomes 20 or more. Further, at the time of engine low load operation, in part of the operating region or all of the operating region, the actual compression ratio is lowered compared with the time of engine high load operation and, at the time of engine low load operation, at least when the actual compression ratio is being lowered compared with the time of engine high load operation, the throttle valve is made to close. | 2010-06-10 |
20100139623 | INTERNAL COMBUSTION ENGINE OUTPUT CONTROL METHOD AND SYSTEM - It is an object to improve starting performance in an engine rotational speed region that exceeds an idle rotation region without affecting normal traveling performance. | 2010-06-10 |
20100139624 | HIGH PRESSURE FUEL PUMP CONTROL FOR IDLE TICK REDUCTION - A method for controlling a mechanical solenoid valve of a high-pressure fuel pump to supply fuel to an engine is provided. The method includes: during an idle condition, adjusting a pull-in current of the mechanical solenoid valve utilized to control closing of the mechanical solenoid valve based on a fuel pressure downstream of the high-pressure fuel pump, wherein the pull-in current is reduced when possible while enabling the mechanical solenoid valve to close as indicated by an increase in the downstream fuel pressure. | 2010-06-10 |
20100139625 | VEHICLE FUEL SYSTEM AND COMPONENTS THEREOF - A fuel vapor control valve comprising a housing. The housing comprising inlet and outlet ports in flow communication via first and second valve controlled passages. The first valve controlled passage being configured to admit fuel vapor flow in a direction from the inlet port to the outlet port only when pressure at the inlet port exceeds a predetermined threshold. The second valve controlled passage being configured to admit vapor flow in a direction from the outlet port to the inlet port only when pressure at the inlet port drops below pressure at the outlet port. The fuel vapor control valve further comprising a sealing arrangement disposed at an external portion of the housing between the inlet and outlet ports. | 2010-06-10 |
20100139626 | Drive Unit with Cooling Circuit and Separate Heat Recovery Circuit - A cooling circuit and an independent heat recovery circuit are associated with an internal combustion engine. A coolant is circulated a pump in a first and a second cooling sub-circuit. An increase in pressure in a work medium is achieved within the heat recovery circuit by a pump. This work medium is changed from liquid aggregate state to vaporous aggregate state and back to the liquid aggregate state in heat exchangers. This work medium is divided after the pump into two parallel partial flows and is changed into vaporous state in a first parallel branch in an EGR heat exchanger through which recycle exhaust gas flows and in a second parallel branch in an exhaust gas heat exchanger through flow exhaust gas downstream of the low-pressure turbine flows. This vaporous work medium is then fed to an expander and is then conducted through a cooled condenser and, liquefied again. | 2010-06-10 |
20100139627 | FUEL HEATING SYSTEM - The present invention provides a fuel heating system for preheating a vegetable oil based fuel for use in a diesel engine, said fuel heating system comprising a fuel tank ( | 2010-06-10 |
20100139628 | FUEL PREHEAT FOR ENGINE START - Systems and methods for providing heated fuel to a fuel injector of an engine are provided. One example method comprises maintaining a volume of fuel above a start-ready temperature during a pre-start interval, the pre-start interval beginning after the engine is turned off, beginning automatically, and ending when the engine is restarted, the start-ready temperature greater than a lowest temperature of the engine during the pre-start interval. The method further comprises delivering some of the volume of fuel to the fuel injector when the engine is about to be restarted. According to the approaches described herein, adequate cold-start fuel atomization may be provided without compromising driver satisfaction due to excessive pre-ignition delay, while at the same time reducing unnecessary heating of fuel during warm engine off conditions. Further, the approaches described herein may be enacted inexpensively in a wide variety of motor-vehicle configurations. | 2010-06-10 |
20100139629 | AIR CLEANER ARRANGEMENTS; SERVICEABLE FILTER ELEMENTS; AND, METHODS - An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securing the filter cartridge in that location. Preferred serviceable filter cartridges are provided, as well as methods of assembly and use. | 2010-06-10 |
20100139630 | PARTICULATE FILTER SYSTEM FOR VEHICLE AND METHOD OF CONTROLLING THE SAME - A particulate filter (PF) system for a vehicle is equipped with a bypass air line branching off from a throttle body so as to be able to smoothly regenerate a PF regardless of operation of an engine. The PF system includes an exhaust manifold into which exhaust gas flows from an engine, a bypass line connected to the exhaust manifold, an exhaust gas recirculation valve installed on the bypass line, and blocking or passing a flow of air of the bypass line, and a particulate filter installed on the exhaust manifold to collect and remove particulate matter. | 2010-06-10 |
20100139631 | HEAT EXCHANGER - The invention relates to a heat exchanger with at least one duct, which can be flowed through by flowing medium from an inlet cross-section to an outlet cross-section, has an inside and outside, and which comprises, on the inside, structural elements for increasing the transfer of heat. The invention provides that the structural elements ( | 2010-06-10 |
20100139632 | Exhaust Gas Recirculation System with Unified Cylinder Head and Exhaust Gas Recirculation Device - An exhaust gas recirculation system of an internal combustion engine where a cylinder head having an intake port and an exhaust port is coupled to a cylinder block, and a portion of an exhaust gas exhausted from the exhaust port is flowed into the intake port through a control valve, may include a recirculation gas gallery integrally formed at the cylinder head and communicated with the intake port, a control valve assembly including the control valve and communicated with the recirculation gas gallery, and at least a recirculation gas extracting unit that is communicated with the control valve assembly and the exhaust port. | 2010-06-10 |
20100139633 | Device for Separating Particles from a Gas Stream - The invention concerns a separating device for separating particles ( | 2010-06-10 |
20100139634 | POSITIVE CRANKCASE VENTILATION VALVE ASSEMBLY WITH A VACUUM PULSATION DAMPENER - A PCV valve assembly includes a housing that is defined by a first housing section and a second housing section. A poppet valve is supported within the housing. The first housing section includes a threaded end that defines a fluid inlet, and the second housing section includes a cylindrical outlet stem and an end flange that defines a restricted integral orifice as a fluid outlet. The diameter of the orifice is smaller than the diameter of the cylindrical outlet stem. A fluid chamber between the end flange and the poppet valve averages out variations in the fluid flow through the PCV valve assembly, thereby reducing vacuum pulsation. | 2010-06-10 |
20100139635 | Progressive Nitrous Oxide Controller - A progressive nitrous oxide system for an engine includes a nitrous oxide supply to supply a flow of nitrous oxide, a nitrous oxide valve operatively coupled to the nitrous oxide supply to open and close to start and stop the flow of nitrous oxide, a nitrous oxide nozzle operatively coupled to the nitrous oxide valve to supply the flow of nitrous oxide to the engine, and means operatively coupled between the valve and the nozzle for initially reducing the flow of nitrous oxide and progressively increasing the flow of nitrous oxide from a reduced amount to a greater amount over a time period. The means can include a valve member movable with respect to a flow channel by pressure of the flow of nitrous oxide, and a fluid reservoir including an orifice and configured to receive fluid displaceable through the orifice. | 2010-06-10 |
20100139636 | Nitrous Oxide/Methanol Injection System - A nitrous oxide system for an internal combustion engine includes a bottle containing pressurized nitrous oxide coupled to a nitrous oxide flow line, which is in fluid communication with an injection nozzle operatively coupled to the engine intake. A control valve is fluidly coupled to the nitrous oxide flow line between the nitrous oxide bottle and the injection nozzle, and is operable to control the flow of nitrous oxide through the nitrous oxide flow line to the engine intake. A methanol injection line is in fluid communication with a source of supplemental methanol, and a methanol valve is fluidly coupled to the methanol injection line and operably coupled to the nitrous oxide flow line, such that a flow of pressurized nitrous oxide through the nitrous oxide flow line opens the methanol valve to allow a flow of supplemental methanol to the engine intake. | 2010-06-10 |
20100139637 | TWO-STROKE ENGINE - An object is to provide a two-stroke engine achieving effective reduction of blow-by while implementing efficient gas exchange. In a two-stroke engine | 2010-06-10 |
20100139638 | OVEN DOOR LIGHTING - Lighting for an oven door includes a light source and a design that is selectively illuminated by the light source. The light source is located in the oven door, and the design is etched in an oven door window. | 2010-06-10 |
20100139639 | STEAM-GENERATING WARMING ARTICLE - A steam-generating warming article | 2010-06-10 |
20100139640 | APPLIANCE WITH A VENTURI BASED VENTING SYSTEM - An appliance with a Venturi based venting system is disclosed. The appliance includes a housing defining an airflow channel in flow communication with ambient, the airflow channel having a common channel with a diverging section; first and second heating units disposed in the housing; a first duct through which a first cavity of the first unit is in flow communication with the common channel, the first duct having a first outlet end disposed at least partially in the diverging section; a second duct through which a second cavity of the second unit is in flow communication with the common channel, the second duct having a second outlet end disposed in the diverging section; and a fan in flow communication with the common channel. | 2010-06-10 |
20100139641 | OVEN PROVIDED WITH APERTURE FOR AIR ENTRY INTO ITS CAVITY - An oven comprises a housing or structure presenting a plurality of inner walls and outer walls, the inner walls defining an oven cavity in which means are provided for cooking foods, the means comprising a grill for browning the foods, the oven also comprising a door for closing the cavity. At least one aperture is present in at least one of the walls of the oven cavity, or in the door, for selective connection to the environment external to the oven, such as to interceptably introduce fresh ambient air into the cavity, controllable interceptor means being provided at the aperture to enable this selectivity in introducing the ambient air into the cavity. | 2010-06-10 |
20100139642 | MULTI-COMPARTMENT GREASE TRAY - An outdoor cooking grill includes a removeable grease drip pan. The grease drip pan has a number of removable fluid pans designed to collect grease and/or other fluid. | 2010-06-10 |
20100139643 | USER ACTIVATED GREASE TRAY DRAIN - An outdoor cooking grill includes a removable grease drip pan. The grease drip pan has a drain hole and a drain assembly having a plug that is selectively moveable to seal the drain hole. The user may use the drain assembly to drain grease and other liquid collected in the grease drip pan. | 2010-06-10 |
20100139644 | HELIOSTAT CALIBRATION - Embodiments relate to solar energy systems and methods of operating the same. In some embodiments, the solar energy system comprising: a plurality of heliostats configured to reflect sunlight to a target mounted on a tower, each heliostat including a respective heliostat controller, the target, the target being selecting from the group consisting of an energy conversion target and/or a secondary reflector; and a macro-array of light-intensity sensors characterized by a maximum sensor-sensor distance and mounted on the tower such that when any heliostat of the plurality of heliostats reflects a beam of light onto the macro-array of light-intensity sensors, the maximum dimension of the reflected beam's projection on the macro-array is at most twice the maximum sensor-sensor distance, wherein each heliostat controller is operative to control its respective heliostat so that the light beam reflected by the heliostat traverses the macro-array of light-intensity sensors. | 2010-06-10 |
20100139645 | Balanced support and solar tracking system for panels of photovoltaic cells - A solar tracking mechanism and mounting platform for solar panels is mounted with three or four legs attachable to a concrete pad and includes a substantially vertically disposed axle and a substantially horizontally disposed axle to which a plurality of panel support members are mounted to form a panel support assembly. The vertically disposed axle allows at least 240 degree rotation of the panel support assembly to follow the daily East-West travel of the Sun in the sky. The substantially horizontally disposed axle allows declining or tilting of the panel support assembly for the North-South adjustment of the panel support assembly to correspond to the geographic latitude of the location where the solar tracking mechanism and platform is used. The substantially horizontally disposed axle is placed on the centroid or substantially on the centroid location relative to the panel support members, including solar panels so that, as a result, the assembly is completely or substantially balanced and can be placed horizontally or in any inclined position without the weight of the assembly, including solar panels mounted thereon, causing it to precipitously drop or fall. | 2010-06-10 |
20100139646 | Torque Arm Assembly and Method - A torque arm assembly, used with a solar collector mounted to a drive shaft, comprises a torque arm with first and second ends and a torque arm coupling assembly including a drive shaft enclosure defining an open-ended channel sized to house the drive shaft. The channel has a circumferentially extending substantially continuous drive surface between the ends that lies adjacent to the drive shaft so the drive shaft and the drive shaft enclosure rotate together. In some examples contiguous abutment structure, such as weld lines, shims and/or adhesive, connects each side of the drive shaft to the drive shaft enclosure. The invention may also be carried out as a connection improvement method. | 2010-06-10 |
20100139647 | DUAL AXLE SOLAR TRACKER - Solar tracker with a principal substructure comprising a series of posts between which sections of beams are arranged, joined by intermediate axles and which can turn in respect of a longitudinal axle; it is also provided with secondary substructures comprising a frame for attachment of the solar panels which rotate in respect of an axle transversal to the longitudinal and with connection parts between the frames and the beams, and in respect of which they are articulated, with the frames being activated by connecting rods joined to a common slide. The centre of gravity of the structure overall is arranged such that it is very close to the longitudinal axle, which facilitates its actuation, reduces wind sensitivity and facilitates erection in addition to being provided with a certain degree of longitudinal tolerance, which enables better use to be made of land, as it is possible to achieve greater power per square metre. | 2010-06-10 |
20100139648 | COOKING DEVICE - A cooking device is provided which includes a cooking surface, a remote heat collector, and a heat transfer passage. In an example, the heat transfer passage is located adjacent at least a portion of the remote heat collector and extends to a point adjacent at least a portion of the cooking surface. | 2010-06-10 |
20100139649 | Earth-Penetrating Expansion Anchor - One embodiment relates to an earth-penetrating apparatus. The apparatus includes a pole with a hollow portion therein and a bottom end which is configured to be driven into ground. Anchoring parts are configured to be radially extendable from the pole. In addition, an expansion mechanism is configured to apply a force to the anchoring parts so as to radially extend the anchoring parts from the pole after the pole has been driven into the ground. Another embodiment relates to a solar collector arrangement that includes a plurality of earth-penetrating anchors. Other embodiments, aspects and features are also disclosed. | 2010-06-10 |
20100139650 | BURNER DEVICE - A burner tube ( | 2010-06-10 |
20100139651 | GAS-FIRED PORTABLE UNVENTED INFRARED HEATER - A portable radiant heater supplied by an associated fuel source comprises a housing having a handle for transporting the heater. A plenum in the housing receives fuel from the associated fuel source and mixes the fuel with air. A burner assembly includes a radiant surface that communicates with the plenum. A regulator limits the pressure of the associated propane source to approximately eleven inches water column, and an oxygen depletion system associated with the burner assembly automatically shuts off the heater at a predetermined oxygen content. A tank fitting with a position that can be adjusted relative to the regulator facilitates the installation of the associated fuel source to the heater. | 2010-06-10 |
20100139652 | Dispensing Device and Method - Methods and devices for dispensing an aerosolized liquids that generate an electric field proximate an outlet of a liquid supplier to cause liquid issuing from the outlet to be aerosolized for dispensing, and regulating an electrical characteristic, such as voltage, for generating the electric field based on a detected electrical characteristic, e.g., current drawn, of the electric field and/or based on an environmental sensor, to compensate, for example, for adverse effects of relative humidity in the aerosolization process. Such methods and devices are suitable for use as, for example, an inhaler for dispensing therapeutic liquids to a patient's lungs, spraying paint, crops or other liquids over a surface area. | 2010-06-10 |
20100139653 | Ventilator interface - An adaptor for providing fluid communication between a counter equipped measured dose inhaler (MDI) canister and a ventilator circuit includes a housing, a receiver tube for engaging the valve stem of the canister, and a tab for engaging the counter mechanism. The housing defines a primary lumen which extends between an input limb and an output limb. The limbs are configured to mate with the tubing of a ventilator circuit. The receiver tube defines a receiver lumen therethrough and extends from the exterior of the housing and into the primary lumen. The receiver lumen provides fluid communication between the exterior of the housing and the primary lumen. | 2010-06-10 |
20100139654 | INHALER - An inhaler for delivering a powdered inhalation formulation from a blister strip having a plurality of blister pockets. The used part of the blister strip with emptied blister pockets is coiled by a clock spring or pushed into a helical channel. This results in a simple construction, in which the used blister strip is kept separate from the part that has not yet been used. | 2010-06-10 |
20100139655 | DRY-POWDER INHALER - A dry-powder, breath-powered inhaler device comprising at least one air inlet, a flow chamber and an air outlet leading to a mouthpiece, the flow chamber further comprising at least one drug-containing volume and at least one scraping means and a rotor assembly comprising an axis and at least one blade; wherein the inhalation action of the patient applied at the air outlet causes air to enter the at least one air inlet such that the air interacts with the at least one rotor blade causing the rotor to rotate and thus generate breath-driven, relative motion between the at least one drug-containing volume and the at least one scraping means, such that fine particles of powder are released from the drug-containing volume; the arrangement being such that the air exits the flow chamber via the periphery of the flow chamber, carrying out the fine particles to the outlet to be inhaled by the patient. | 2010-06-10 |
20100139656 | CONTROL VALVE FOR RESPIRATORY DEVICES - The invention relates to a respiratory device for keeping a patient breathing artificially or support his or her breathing naturally. Said respiratory device comprises an air inlet, an air source, and at least one proportionally adjustable control valve. The control valve is provided with a housing ( | 2010-06-10 |
20100139657 | GAS SUPPLY UNIT FOR A RESPIRATORY SYSTEM - The invention relates to a gas supply unit ( | 2010-06-10 |
20100139658 | Oxygen Supply System For An Aircraft - According to an exemplary embodiment of the invention an oxygen supply system for an aircraft is provided, wherein the said system comprises a control valve, a reservoir bag, a respiration device and a sensor device, wherein the control valve is designed in such a way that oxygen can be supplied to the reservoir bag until a predetermined quantity of oxygen is adjusted in the reservoir bag. The respiration device may be designed in such a way that breathing gas can be provided for a passenger. The sensor device may be designed in such a way that an exhalation is detectable. The reservoir bag may he designed in such a way that a predetermined quantity of oxygen can be metered into the reservoir bag during the exhalation. Moreover the reservoir bag may be designed in such a way that breathing gas can be supplied to the respiration device in a pulse-like fashion. The oxygen supply system may comprise a first operation mode and a second operation mode. Furthermore a method for supplying a passenger with oxygen in an aircraft is provided. | 2010-06-10 |
20100139659 | SPO2 CONTROL WITH ADAPTIVE LINEAR COMPENSATION - A device and a process for controlling a respirator with inclusion of an oxygen saturation value ( | 2010-06-10 |
20100139660 | Pump and exhalation valve control for respirator apparatus - Double acting respirator pump apparatus including a pump member reciprocable with respect to two pump chambers to deliver air to a patient via a respirator exhalation system, which also facilitates exhalation of the patient. The exhalation system has a pump unit that is operatively connected to an exhalation valve member and configured for selectively generating an air pressure sufficient for pressurizing one side of the valve member for closing the same when said exhalation system is operating in inhalation mode, and may be operated for opening to allow the patient to exhale therethrough. | 2010-06-10 |
20100139661 | AIR BREATHING HOSE WITH INTEGRATED ELECTRICAL WIRING - An integrated air hose assembly for a self-contained breathing apparatus. The air hose assembly includes a plurality of electrical wires embedded between an outer layer and an tube assembly. The tube assembly includes an inner tube forming a central air passage and an intermediate layer. Corresponding helical grooves are disposed in the outer surface of the intermediate layer and the inner surface of the outer layer, and the electrical wires are arranged therein in spaced relationship to one another. | 2010-06-10 |
20100139662 | RESPIRATORY MASK - A respiratory mask includes a teardrop-shaped front face member having a middle portion made of a transparent material and a lateral portion made of a colored material, and a rear cup member having a rear sealing portion adapted to contact a user's face, and a front portion connected to the front face member. The middle portion has a narrow top section and a wide bottom section. The lateral portion is connected laterally to the middle portion, and extends from one lateral side of the narrow top section, around the wide bottom section, and back to the other lateral side of the narrow top section. The middle and lateral portions are formed as a one-piece body. An air inlet is formed in the wide bottom section. Two strap-engaging portions are provided respectively on left and right sides of the lateral portion. | 2010-06-10 |
20100139663 | Surface Treatment for a Medical Device - A surface coating for a medical device is provided that may prevent or slow the formation of medical biofilms on the surface of the device. Covalent attachment of certain analogues of N-acyl L-homoserine lactones onto a medical device may provide the advantage of slowing biofilm formation in a manner that is targeted to the surface of the medical device and not the patient. Such a device may allow healthcare providers to prevent bacterial buildups on the surfaces of the device, which may lead to biofilm formation. | 2010-06-10 |
20100139664 | NASAL AND ORAL CANNULA HAVING TWO CAPABILITIES AND METHOD OF PRODUCING SAME - A method of forming a cannula from a cannula mandrel assembly comprising a pair of mouthpiece/nasal mandrels and a mating facepiece mandrel. The facepiece mandrel has a pair of conical holes, in an intermediate section thereof, for receiving a leading end of one mouthpiece/nasal mandrel. The conical holes allow the facepiece mandrel to slide along the mouthpiece/nasal mandrels until the conical holes abut with respective mating tapering conical sections and prevent further sliding movement along the mouthpiece/nasal mandrels. Following assembly, the assembly is heated, at least one coating of a polymeric material is applied thereto and heat from the assembly at least partially cures the polymeric material on the assembly. Following curing, the facepiece mandrel and formed cannula are slide along the mouthpiece/nasal mandrels until the facepiece mandrel and formed cannula are removed therefrom. Lastly, the facepiece mandrel is removed from the formed cannula. | 2010-06-10 |
20100139665 | 3D Ventilation Device for Separating Body Skin from Clothes - The present invention is related to a 3D ventilation device for separating body skin from clothes including an elastic meshed fabric, an elastic framework and a fixing device, wherein the 3D elastic framework which supports and holds the elastic meshed fabric, is fixed by the fixing device to locate between the skin and the clothes, so as to form a ventilative chamber for achieving the separation. Here, the elastic framework can be bent to adapt to different body shapes or portions and adjusted to provide most comfortable wearing angle, so that a proper air flowing can be achieved between the skin or the body portion and the clothes, thereby keeping the skin dry. | 2010-06-10 |
20100139666 | DEVICE INTENDED TO CAUSE A DISPLACEMENT IN THE MANDIBLE IN RELATION TO THE MAXILLA - The present invention concerns a device intended to cause displacement of the mandible in relation to the maxilla, which is neither inconvenient for the user nor bulky, and which allows displacement of the mandible in relation to the upper maxilla in a postero-anterior direction and/or a transverse direction in relation to the plane of the maxilla and/or perpendicular in relation to the plane of the maxilla. | 2010-06-10 |
20100139667 | DEVICES AND METHODS FOR TREATING SLEEP DISORDERS - Devices and methods for maintaining an open airway are described. Systems and methods are described for maintaining an opening of an airway by application of force to a patient's tissues in one of inferior, anterior, and lateral directions. | 2010-06-10 |
20100139668 | Method and Device For Treatment Of Obstructive Sleep Apnea - This invention relates to devices and methods for maintaining upper airway patency during sleep for the treatment of sleeping disorders, upper airway resistance syndrome, snoring and obstructive sleep apnea. | 2010-06-10 |
20100139669 | SURGICAL DRAPES WITH PATCHES TO PROVIDE PORTS - Surgical drapes having opposing first and second primary surfaces with fixably attachable patches to provide ports through which cables or tools can be inserted without compromising a sterile field. The patches may be earlier affixed to the surgical drape or the patch may be affixed in situ by a clinician to the drape prior to a surgical procedure. | 2010-06-10 |
20100139670 | INTEROCCLUSAL APPLIANCE AND METHOD - An interocclusal appliance is formed from a single polymer material composition as one unitary piece or from multiple polymer material compositions as a two-piece preform. The two-piece preform includes a base material and an impression material that has a softening point lower than the base material. Teeth are received into the heat-softened impression material, so as to contour the impression material. A portion of the impression material also may contour to a portion of the user's palate. In certain embodiments, substantially no polymeric material contacts the front surfaces of the front teeth, leading to greater comfort and better air flow between front teeth. In still another embodiment, the appliance fits over front teeth only and no polymeric material contacts the maxillary molars. | 2010-06-10 |