32nd week of 2015 patent applcation highlights part 30 |
Patent application number | Title | Published |
20150219007 | PISTON AND CYLINDER FOR TWO-STROKE ENGINE - A two-stroke internal combustion engine includes at least one gaseous communication charge passage between a crankcase chamber and a combustion chamber of the engine and a piston to open and close the top end of the transfer passage. The air inlet port to the transfer passage for stratified scavenging is opened and closed by the piston that has passages and cutouts. The charge inlet to the crankcase chamber is opened and closed by the piston. The air inlet passage is substantially asymmetrical to the layout of the transfer passages and are closer to one transfer passage compared to the other. The internal air passage in the piston is substantially parallel to the piston pin and the single air inlet passage is laterally off-set from the air-fuel inlet passage. The transfer passages are cover by plates to make them closed passages having opening at the transfer port in the cylinder and opening in the crankcase chamber for periodical gaseous communication between the crankcase chamber and the combustion chamber. The cover plate is a single piece covering the transfer passage channel along the cylinder and the crankcase. The air channel in the piston is below the piston crown and at least portion is above the piston pin. A spiraling transfer passage in the cylinder cavity is longer than the length of the transfer passage in a conventional stratified two-stroke engine. | 2015-08-06 |
20150219008 | Compact Sailplane Engine - An engine adapted for installation within a sailplane, comprising: a charger assembly a charger cylinder comprising: a inlet port for receiving fuel mixture; and an outlet port; and a charger piston reciprocally disposed within the charger cylinder such that, the charger piston is movable between top and bottom positions, the charger cylinder to receive the fuel mixture there within when the charger piston is at the top position, the fuel mixture to egress through the outlet port as the charger piston slides to the bottom position. | 2015-08-06 |
20150219009 | ACTUATOR OF VARIABLE COMPRESSION RATIO MECHANISM AND ACTUATOR OF LINK MECHANISM - An actuator of a variable compression ratio mechanism includes: a control link; an arm link; a control shaft; a housing including a receiving portion in which a connection portion between the second end portion of the control link and the arm link is received, and a support hole formed within the housing, and rotatably supporting the control shaft; and a speed reduction device, the control shaft including a fixing portion inserted and fixed within the receiving portion in a fixing hole formed in the arm link at a predetermined axial position, and a first journal portion which is formed at a tip end portion of the control shaft, which has a diameter smaller than a diameter of the fixing portion, and which is supported by a first bearing hole formed in the support hole. | 2015-08-06 |
20150219010 | FILTERING CHAMBER AND METHOD FOR MAINTAINING SAME - A filtering chamber for a gas turbine having a combustor, compressor and air inlet duct, and a corresponding maintenance method is described. The filtering chamber includes a first chamber in an inlet plenum; a second chamber in the inlet plenum; and an air bypass mechanism configured to reduce a pressure difference across a final filter that separates the first chamber from the second chamber. | 2015-08-06 |
20150219011 | DUAL OIL SUPPLY TUBE - The present disclosure relates generally to a dual oil supply tube for a gas turbine engine. The dual oil supply tube locates a scheduled damper supply tube inside a compartment oil supply tube which remains full while the engine is operating. | 2015-08-06 |
20150219012 | METHOD AND APPARATUS FOR ISOLATING INACTIVE FUEL PASSAGES - A system includes a turbine engine having a fuel injector. The fuel injector includes fluid ducts, each having a fuel inlet coupled to a distinct fuel source. The system includes a compressed air source that provides compressed air simultaneously to the fluid ducts, and a convergence point where combined fuel and air streams from the ducts are mixed. The fuel inlets are in a parallel flow arrangement such that no fuel from one fuel injector is present at another fuel injector. | 2015-08-06 |
20150219013 | AIRCRAFT TURBOMACHINE ASSEMBLY WITH REDUCED JET NOISE - A turbomachine assembly comprising a device that attenuates noise by ejecting jets of fluid, this device comprising fluid supply ducts, fluid ejection tubes and a distribution duct of annular shape. The distribution duct is connected firstly to inlets of the ejection tubes and secondly to outlets of the fluid supply ducts so as to create a flow path for the circulation of fluid from the inlets of the fluid supply ducts to the outlets of the ejection tubes. | 2015-08-06 |
20150219014 | DEVICE FOR THE TRANSFER OF HEAT BETWEEN A LUBRICATION PIPE AND A TURBOMACHINE BLADE PITCH ACTUATOR CONTROL HYDRAULIC PIPE - An aircraft turbomachine including a lubricant circulation pipe and a hydraulic pipe for controlling an actuator for changing a pitch of blades of a propeller of the turbomachine. The assembly, integrated to a receiver of the turbomachine, further includes a mechanism forming a thermal bridge between the lubricant circulation pipe and the hydraulic pipe. | 2015-08-06 |
20150219015 | SEAL ASSEMBLY FOR A STATIC STRUCTURE OF A GAS TURBINE ENGINE - A static structure of a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, an outer platform, an inner platform, an airfoil that extends between the outer platform and the inner platform, a service tube disposed at least partially through the airfoil, and a seal assembly that seals between the service tube and one of the outer platform and the inner platform. | 2015-08-06 |
20150219016 | SYSTEM AND METHOD FOR OPERATING A GAS TURBINE - A system for operating a gas turbine includes a controller configured to execute logic stored in a memory that causes the controller to determine a frequency, a coherence and, optionally, a phase and/or an amplitude, of a combustion instability; to compare the frequency and the coherence, and, optionally, the phase and/or the amplitude, of the combustion instability to a respective predetermined limit; and to adjust at least one parameter of the gas turbine if the frequency, the coherence, and, optionally, the phase and/or the amplitude of the combustion instability is actionable relative to the respective predetermined limit. A related method of operating the gas turbine is also disclosed. | 2015-08-06 |
20150219017 | ACTUATOR MOUNTED TO TORQUE BOX - An actuator system mounted to a gas turbine engine that communicates mechanical power for positioning variable guide vanes within the gas turbine engine. The actuator system includes a torque box having components for communicating mechanical power to the variable guide vanes for positioning the vanes and an actuator mechanically coupled to provide mechanical power to the components of the torque box used to communicate the provided mechanical power to the inlet guide vanes. The actuator is mounted to the torque box via an elongate fastener extending in one direction and another elongate fastener extending in another direction. | 2015-08-06 |
20150219018 | SYSTEM AND METHOD FOR OPERATING A GAS TURBINE - A system and method for operating a gas turbine include a controller that determines, for at least one combustion instability, a frequency; a quantification of the frequency or a quantification of the frequency through time; and, optionally, a phase and/or an amplitude. The logic also causes the controller to compare the frequency, the quantification of the frequency or the quantification of the frequency through time, the phase, and/or the amplitude of the at least one combustion instability to an associated predetermined limit. When the frequency is actionable relative to its predetermined limit and one of the quantification of the frequency or the quantification of the frequency through time is actionable relative to its respective predetermined limit, at least one parameter of the gas turbine is adjusted. The quantification of the frequency is one of the standard deviation, the coefficient of variation, the index of dispersion, and the variance. | 2015-08-06 |
20150219019 | METHODS AND SYSTEMS FOR DETECTING LEAN BLOWOUT IN GAS TURBINE SYSTEMS - A system includes a control system. The control system includes a coherence derivation system configured to derive a coherence between respective outputs of each of a plurality of combustors coupled to a gas turbine system, and a phase derivation system configured to derive a phase difference between the respective outputs of each of the plurality of combustors coupled to the gas turbine system. The control system is configured to derive an indication of an impending lean blowout (LBO) or an actual LBO of at least one of the plurality of combustors based at least in part on the coherence derivation, the phase derivation, or a combination thereof. | 2015-08-06 |
20150219020 | METHOD AND SYSTEM FOR ENGINE CONTROL - Methods and systems are provided for controlling an engine system with a variable cam timing device. In one example, the variable cam timing device is operated to adjust engine valve timing differently at engine stop based on whether the engine stop is in response to an operator request or in response to an automatic controller initiated engine stop without an operator request. | 2015-08-06 |
20150219021 | TIMING DRIVE OF AN INTERNAL COMBUSTION ENGINE - A timing drive is disclosed for coupling the crankshaft to the first camshaft of an internal combustion engine. The timing drive includes a first mechanical transmission coupling the engine crankshaft to an intermediate shaft located in a cylinder block, and a second mechanical transmission coupling the intermediate shaft to the first camshaft. A second camshaft may be operably coupled to the first camshaft through a mechanical transmission coupling. | 2015-08-06 |
20150219022 | ACTUATOR OF LINK MECHANISM FOR INTERNAL COMBUSTION ENGINE AND ACTUATOR FOR VARIABLE COMPRESSION RATIO MECHANISM - An actuator of a variable compression ratio mechanism which includes: a control link; a control shaft; a housing; a wave gear speed reduction device arranged to transmit the reduced rotation speed to the control shaft; a first bearing portion which is provided between the control shaft and a wave generation device of the wave gear speed reduction device, and which rotatably supports a first axial end portion of the wave generation device; and a second bearing portion which is provided between the housing and the wave generation device, and which rotatably supports an second axial end portion of the wave generation device, at least one of the first bearing portion and the second bearing portion being disposed inside an axial width of an outer circumference portion of the wave generation device. | 2015-08-06 |
20150219023 | FUEL SELECTION SYSTEM AND METHOD FOR DUAL FUEL ENGINES - Systems and methods for controlling operation of dual fuel internal combustion engines are disclosed. The control techniques provide for override of a dual fuel mode of operation of the engine by selection of a diesel only fuelling mode in response to one or more operating conditions of the internal combustion engine. | 2015-08-06 |
20150219024 | INTERNAL COMBUSTION ENGINE CONTROL DEVICE AND METHOD - In an internal combustion engine equipped with a variable compression ratio mechanism, the occurrence of knocking is reduced during deceleration. When it is determined that a target compression ratio of the variable compression ratio mechanism is greater than a threshold PRSL during the deceleration, an air bypass valve interposed in a passage for bypassing a compressor of an exhaust turbo supercharger is opened to return intake air upstream (between the compressor and a throttle valve) of the throttle valve to upstream of the compressor, thereby reducing intake pressure upstream of the throttle valve and reducing in-cylinder compression pressure to reduce the occurrence of knocking. | 2015-08-06 |
20150219025 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE IN PARTICULAR A SPARK-IGNITION ENGINE, HAVING AT LEAST ONE INLET VALVE - In a method for operating an internal combustion engine, in particular a spark-ignition engine, having inlet valves for controlling air flow to the internal combustion engine, which air flow is compressed by an exhaust gas turbocharger, wherein, during partial load operation, the inlet valves are closed at an early first point in time (t | 2015-08-06 |
20150219026 | IN-CYLINDER PRESSURE DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE - This invention determines whether or not an internal combustion engine is performing combustion, and if the determined result is that the engine is not performing combustion, it is determined whether or not the engine revolution speed is greater than a predetermined revolution speed NE | 2015-08-06 |
20150219027 | CYLINDER PRESSURE BASED CONTROL OF DUAL FUEL ENGINES - Systems and methods for controlling operation of dual fuel internal combustion engines in response to cylinder pressure based determinations are disclosed. The techniques control fuelling contributions from a first fuel source and a second fuel source to achieve desired operational outcomes in response to the cylinder pressure based determinations. | 2015-08-06 |
20150219028 | Engine Fuel Control For Internal Combustion Engine Having Dedicated EGR - A method of controlling the amount of fuel delivered to an engine having at least one dedicated EGR cylinder. The method is typically performed on an engine cycle-by-cycle basis. A fueling control unit receives, from the engine's main control unit, fueling requirement data representing a current fueling requirement suitable for the main cylinders. The fueling control unit then calculates a current amount of fuel to be delivered to the dedicated EGR cylinder as a function of the number of dedicated EGR cylinders, the number of main cylinders, the current equivalence ratio for the dedicated EGR cylinder, and the fueling requirement data. With the amounts of fuel for both the dedicated EGR cylinder and the main cylinders now having been determined, the fueling control unit generates appropriate control signals to the cylinder fuel delivery mechanisms. | 2015-08-06 |
20150219029 | DIESEL ENGINE AND METHOD FOR CONTROLLING DIESEL ENGINE - A diesel engine, includes: an exhaust gas recirculation device that recirculates an exhaust gas emitted from the diesel engine to an intake side of the diesel engine; an intake air amount sensor that measures an intake air amount of the diesel engine; a NOx measurement sensor that measures NOx contained in the exhaust gas emitted from the diesel engine; and a control device that obtains a correction value for correcting a measured value by the intake air amount sensor based on a difference between first information on NOx obtained based on information on a rotation speed of the diesel engine and information on a load and second information on NOx measured by the NOx measurement sensor to control the exhaust gas recirculation device based on the measured value by the intake air amount sensor corrected using the correction value. | 2015-08-06 |
20150219030 | Air Handling System for an Opposed-Piston Engine in which a Supercharger Provides Boost During Engine Startup and Drives EGR During Normal Engine Operation - The air handling system of a turbocharged opposed-piston engine with uniflow scavenging includes an a supercharger operable to provide boost during startup and to drive EGR during normal engine operation. | 2015-08-06 |
20150219031 | Method For Operating an Internal Combustion Engine - A mixture pilot control for operating an internal combustion engine, in particular a gasoline engine of a motor vehicle, is provided. The mixture pilot control determines at least one composition of an air-fuel mixture required for a predetermined target air-fuel mixture ratio. The internal combustion engine is also provided with a lambda control with at least one lambda probe arranged in the exhaust gas flow of the internal combustion engine for determining a deviation of the actual air-fuel ratio from the predetermined target air-fuel ratio. Operating-parameter-dependent correction factors for the composition of the air-fuel mixture by the mixture pilot control are determined in dependence on the lambda control deviation, at least one of the load and/or the rotational speed and/or the temperature of the internal combustion engine, and further operating parameters of the vehicle other than the load, rotation speed or temperature of the internal combustion engine. | 2015-08-06 |
20150219032 | DIESEL ENGINE CONTROL APPARATUS - An object is to provide a diesel engine control apparatus configured to evaluate the activation state of a SCR catalyst at high accuracy by means other than the temperature of the catalyst and to control engine control parameters so as to reduce the amount of NOx emission when the SCR catalyst is in a non-active state. The diesel engine control apparatus includes a diesel engine, an engine control unit, and an SCR catalyst. The engine control unit includes a parameter setting part configured to set engine control parameters; an operation control part configured to control an operation state of the diesel engine on the basis of the at least one engine control parameter; and a purification state determination part configured to determine a NOx purification state of the SCR catalyst. The parameter setting part is configured to set the engine control parameters so as to reduce the amount of NOx emission in the exhaust gas discharged from the diesel engine when the NOx purification state of the SCR catalyst determined by the purification state determination part is below a predetermined NOx purification state. | 2015-08-06 |
20150219033 | NON-INTRUSIVE EXHAUST GAS SENSOR MONITORING - A method for monitoring an exhaust gas sensor coupled in an engine exhaust is provided. In one embodiment, the method comprises indicating exhaust gas sensor degradation based on shape of a distribution of extreme values of a plurality of sets of lambda differentials collected during selected operating conditions. In this way, the exhaust gas sensor may be monitored in a non-intrusive manner. | 2015-08-06 |
20150219034 | SYSTEM AND METHOD FOR CONTROLLING ENGINE - A control system of an engine is provided. The control system includes an inlet sensor configured to generate a signal indicative of an engine inlet air temperature and an intake manifold sensor configured to generate a signal indicative of an engine intake manifold air temperature. The control system includes a control module communicably coupled to the inlet sensor and the intake manifold sensor. The control module is configured to determine the engine inlet air temperature and the engine intake manifold air temperature. The control module is configured to determine an initial de-rate value based on a predetermined relationship between the engine inlet air temperature and the engine intake manifold air temperature. The control module is configured to determine a pre-stored de-rate modifier corresponding to an engine speed. The control module is configured to determine a final de-rate value based on the initial de-rate value and the pre-stored de-rate modifier. | 2015-08-06 |
20150219035 | Fuel Injection Apparatus - A fuel injection apparatus includes an injector that injects fuel into a combustion chamber or an intake port of an internal combustion engine; an injection amount controller that controls a fuel injection amount of the injector and corrects the fuel injection amount to increase when the internal combustion engine is in a given cold state; an air-fuel ratio detector that detects an air-fuel ratio of the internal combustion engine; and an air-fuel ratio rich fault determiner that determines an air-fuel ratio rich fault when the air-fuel ratio exists on a rich side than a predetermined determination value. The air-fuel ratio rich fault determiner shifts the predetermined determination value toward the rich side in accordance with the increasing correction of the fuel injection amount so as to correct the predetermined determination value. | 2015-08-06 |
20150219036 | METHOD AND SYSTEM FOR SELECTING A CYLINDER FOR ENGINE STARTING - A method and system for improving starting of an engine is presented. In one example, the method selects a first cylinder to receive fuel since engine stop the cylinder's position relative to the cylinder's top-dead-center compression stroke. The method also describes adjusting a number of fuel injections for a first combustion event since engine stop. | 2015-08-06 |
20150219037 | METHOD TO REDUCE FUEL SYSTEM POWER CONSUMPTION - A system for delivering fuel to an engine including a fuel reservoir pump configured to pump fuel from a fuel tank to a fuel pump reservoir. A low pressure fuel pump is configured to pump fuel out from within the fuel pump reservoir and to the fuel reservoir pump. A high pressure fuel pump is configured to pump fuel to the engine. The low pressure fuel pump is configured to pump fuel to the high pressure fuel pump. A controller is operable to configure the low pressure fuel pump in a high mode at a first pump rate when the high pressure fuel pump is in a first configuration, and operable to configure the low pressure fuel pump in a low mode at a second pump rate when the high pressure fuel pump is in a second configuration different from the first configuration, the first pump rate is different from the second pump rate. | 2015-08-06 |
20150219038 | CYLINDER LINER - A cylinder liner for an internal combustion engine may include a cylinder. The cylinder may include a first cylindrical portion coupled to a second cylindrical portion. The second portion may be positioned towards a region of combustion in relation to the first portion and define at least in part a combustion chamber. The first portion may include a length at least one half of a length of the cylinder. At least one of the first portion and the second portion may be composed of a ferrous alloy. | 2015-08-06 |
20150219039 | METHOD FOR COATING A BORE AND CYLINDER BLOCK OF AN INTERNAL COMBUSTION ENGINE - A method of producing an enamel coating for a cylinder bore in a cylinder block of an internal combustion engine is provided. The method also provides for coating a cast iron gray cylinder block with an enamel coating. | 2015-08-06 |
20150219040 | Cylinder Head with Sensor Sleeve - A cylinder head of an internal combustion engine may include an opening and a sensor sleeve. The opening may extend through the cylinder head. The sensor sleeve may be shrink fitted in the opening. The sensor sleeve may be configured to receive a sensor. The sensor may be mounted within the sensor sleeve through a mounting mechanism. | 2015-08-06 |
20150219041 | ENGINE - An engine capable of reducing the content of hydrocarbon in exhaust gas is provided. When viewed parallel to cylinder center axes, tangential virtual lines extending from endpoints of curved port central axes along tangent lines of the endpoints pass intake valve ports, straight port central axes extending from the endpoints of the curved port central axes are further away from a partition wall than the tangential virtual lines, and intake air bent through curved ports passes straight ports and is sucked through the intake valve ports along the wall between the cylinders. | 2015-08-06 |
20150219042 | PISTON WITH ABRADABLE COATING TO GENERATE APPROPRIATE CONTACT GEOMETRY ON RUNNING SURFACE - A piston including an abradable coating applied to a round surface of the piston is provided. The shape of the round surface is not greater than 0.1 mm from a circular shape, and thus is relatively inexpensive to machine. As the piston reciprocates in an internal combustion engine, the abradable coating rubs against another component, such as a cylinder liner or wrist pin, to achieve suitable contact geometry, such as an oval, asymmetric, or other non-round shape. Thus, a costly machining process is not required to achieve the desired contact geometry. The abradable coating can also be applied to ring lands, skirt sections, or along pin bores of the piston. The abradable coating can also be applied to a wrist pin or an opening of a connecting rod which receives the wrist pin. The abradable coating can be formed from a polymer-based material or an aluminum-silicon alloy-based material. | 2015-08-06 |
20150219043 | INTERNAL COMBUSTION ENGINE - The invention relates to an internal combustion engine ( | 2015-08-06 |
20150219044 | Supplying Gaseous Fuel from a Liquid State to an Engine - A method for supplying gaseous fuel from a liquid state to an internal combustion engine includes employing a second internal combustion engine as a source of energy, pumping the gaseous fuel in the liquid state by transforming energy from the source of energy into mechanical work for the pumping, exchanging waste heat from the second internal combustion engine in a first heat exchange fluid circulating through the second internal combustion engine to a second heat exchange fluid, vaporizing the gaseous fuel pumped from the liquid state with heat from the second heat exchange fluid, and delivering the gaseous fuel vaporized from the liquid state to the internal combustion engine. Pressure of the gaseous fuel delivered to the internal combustion engine is maintained within a predetermined range of tolerance by the pumping. | 2015-08-06 |
20150219045 | EVAPORATED FUEL PROCESSING SYSTEM (AS AMENDED) - An ECU determines whether an engine is temporarily stopped (step S | 2015-08-06 |
20150219046 | ELONGATED TUBULAR HYDROCARBON ADSORPTION TRAP PRODUCED FROM A CIRCULARLY WRAPPED SHEET MEDIA - A tubular hydrocarbon adsorption trap includes a fuel vapor permeable porous media sheet which is circularly wrapped around to form a circumferentially closed elongated tubular body having at least one interior chamber in which the hydrocarbon vapor adsorbent media is arranged. Opposing longitudinal edges of the wrapped media sheet are secured by ultrasonic welding or other means to securely close the circumference of the tubular body. The tubular body is closed on the top and bottom longitudinal edges to retain hydrocarbon vapor adsorbent media within. A method of manufacturing the tubular hydrocarbon adsorption trap is also disclosed. | 2015-08-06 |
20150219047 | FILTER CLEANING ASSEMBLY - An air filter cleaner assembly having a graduated sealing disk, an air conduit having a shut-off valve and a quick connect male fitting on one end, and a cleaning head assembly on the other end. The cleaning head assembly enables air to flow from the interior of the air conduit to the exterior via a rotating sleeve, quick connectors, and nozzles. Various length nozzles can be interchanged on the rotating sleeve using the quick connectors, thereby enabling compressed air to be delivered in close proximity to the interior surface of an air filter being cleaned. | 2015-08-06 |
20150219048 | ASSEMBLY DEVICE FOR DOUBLE-SKINNED AIRCRAFT FUEL PIPES - An assembly device between two sections of a double-skinned fuel pipe of an aircraft has a clamp for assembling the internal pipes, a coupling device for assembling the external pipes, a fitting extending between the ends of the external pipes of the first and second sections, with a shape complementary to the shape of an internal portion of the coupling device, and such that its section through any cutting plane perpendicular to the longitudinal axis common to the coupling device and the external pipes contains the smallest surface delimited by: a line corresponding to the intersection of the internal surface of the coupling device with this cutting plane and a straight line cutting said line at two points, this straight line being tangential to the orthogonal projection in this cutting plane, of the internal surface of the external pipes of the first or of the second section. | 2015-08-06 |
20150219049 | METHOD OF FILTERING FUEL - A filter element is provided with a snorkel that facilitates bleeding of air along the outside periphery of a tubular filter media pack to a bleed chamber contained within the filter element. This may be employed in fuel filtration applications during installation and removal of filter elements whereby air can be temporarily trapped in a housing containing the filter element. The snorkel thus vents the air along the outside of the filter element and then into a bleed chamber where it can be communicated to a standpipe having an isolated bleed passage. | 2015-08-06 |
20150219050 | FUEL INJECTION SYSTEM - A fuel injection system in the present invention is provided with a fuel injection valve ( | 2015-08-06 |
20150219051 | FUEL INJECTORS WITH NON-COINED THREE-DIMENSIONAL NOZZLE OUTLET FACE - Nozzles and method of making the same are disclosed. The disclosed nozzles have an inlet face and a three-dimensional outlet face opposite the inlet face. The nozzles may have one or more nozzle through-holes extending from the inlet face to the outlet face. Fuel injectors containing the nozzle are also disclosed. Methods of making and using nozzles and fuel injectors are further disclosed. | 2015-08-06 |
20150219052 | METHOD AND DEVICE FOR DETERMINING A CHARGE AIR MASS FLOW RATE - A method for determining charge air mass flow rate comprises a turbocharger speed sensor with a closed loop observer that is based on a modeled turbocharger revolution rate. An open loop charge air mass flow rate is determined in a characteristic field stored in an engine controller and is corrected by the scaled difference between the measured and modeled turbocharger revolution rates. The corrected closed loop charge air mass flow is fed back to model the subsequent turbocharger revolution rate and to update the open loop charge air mass flow rate in the characteristic field. | 2015-08-06 |
20150219053 | METHOD FOR DETERMINING QUANTITIES OF FUEL DURING A DIRECT INJECTION OF A MOTOR VEHICLE - In the method provided herein, quantities of fuel are determined during a direct injection of a motor vehicle. In this connection, within one work cycle, test injections are carried out in two cylinders of an internal combustion engine of the motor vehicle during overrun phases, speed oscillations of moved masses of the cylinders are measured and a relative difference in quantity of the fuel quantity of the test injections within one work cycle is determined from the speed oscillations. By evaluating a relative signal between the test injections within one work cycle in the two cylinders, an intrinsic dependence of the drive train of the quantity of fuel signal is compensated. | 2015-08-06 |
20150219054 | FUEL INJECTION PRESSURE PULSATION DAMPENING SYSTEM - A fuel injector has a plurality of injection fuel delivery passages, which transport fuel from a proximate end to an injector cavity near the distal end of the fuel injector, wherein less than a total number of injection fuel delivery passages include an orifice. This configuration provides a reduction in fueling variation from pulse to pulse (multi-pulse) with respect to pulse separation due to pressure variation while allowing a sufficient amount of fuel flow to the injector cavity. Thus, the consistency of Start-Of-Injection (SOI) and opening rate both improve significantly and advantageously. For compactness, the orifices may be positioned in a cover plate used to retain the components of the injection control valve assembly and may further be arranged in an arc segment when viewed along a longitudinal axis. | 2015-08-06 |
20150219055 | SYSTEMS AND METHODS FOR INITIALIZING A GENERATOR - A method for initializing a generator may include sending a field reference voltage to an exciter that may provide a direct current (DC) current and a DC voltage to a rotor of a generator based on a current set point that corresponds to the field reference voltage. The method may then include receiving a voltage feedback signal output by the generator, determining one or more locations of one or more poles of the generator based on the voltage feedback signal, and sending one or more firing signals to one or more switches of a starter after determining the locations of the poles, such that the switches couple the voltage to a stator of the generator. | 2015-08-06 |
20150219056 | COMBINED COOLANT AND TRANSMISSION PUMP MOTOR DRIVE FOR STOP-START VEHICLE - A vehicle includes an internal combustion engine having an auto stop function, an electric pump motor drivably coupled to a transmission pump and a heat exchanger pump, and at least one controller. The controller is configured to control the pump motor to operate the transmission pump to supply hydraulic pressure to a transmission, and to operate the heat exchanger pump to provide flow from the engine to a heater core radiator in response to the engine being auto stopped. | 2015-08-06 |
20150219057 | SYSTEM FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - System for controlling an internal combustion engine, the system comprising stop means to stop automatically an internal combustion engine according to a predefined operating condition of the internal combustion engine, verification and/or restoration means to verify or to restore a first component of the internal combustion engine, learning means to learn a control variable of a second component of the internal combustion engine, inhibition means of the stop means to prevent/ignore an engine stop, wherein only the verification and/or restoration means, when activated, are suitable to cause an activation of the inhibition means, and wherein the learning means are enabled to activate only when the verification and/or restoration means are active. | 2015-08-06 |
20150219058 | CONTROL DEVICE OF VEHICLE AND CONTROL METHOD OF VEHICLE - A control device of a vehicle includes: a first gear connected to a crankshaft of an engine; a second gear capable of engaging the first gear; an actuator configure to move the second gear up to a position where the second gear engages the first gear; a motor configured to cause the second gear to rotate; and a controller configured to, when the engine is cranked by driving of the motor in response to elapsing of a predefined period after the actuator is actuated in response to a startup request signal of the engine, adjust a length of the predefined period on the basis of an operating state of a driver and a state of the vehicle at the time of reception of the startup request signal. | 2015-08-06 |
20150219059 | ELECTROMAGNETIC SWITCH DEVICE FOR STARTER - An electromagnetic switch device for a starter includes a pinion-pushing solenoid for pushing out a pinion toward a ring gear of an engine by a plunger thereof, and a motor-energizing solenoid for energizing the motor. The electromagnetic switch device is configured to detect a magnetic flux change in a magnetic circuit of the motor-energizing solenoid due to displacement or deformation of a core of the motor-energizing solenoid caused when the plunger of the pinion-pushing solenoid abuts against a stopper, to determine a timing to start current supply to the motor-energizing solenoid. | 2015-08-06 |
20150219060 | AUTOMATIC ENGINE STOPPING/RESTARTING DEVICE, AND AUTOMATIC ENGINE STOPPING/RESTARTING METHOD - In order to provide an engine automatic stop and restart apparatus capable of realizing excellent startability, and preventing an excessive load from being imposed on a starter ( | 2015-08-06 |
20150219061 | HEATING DEVICE FOR A DRIVE UNIT IN A MOTOR VEHICLE AND METHOD FOR CONTROLLING SUCH A HEATING DEVICE - A heating device for a drive unit in a motor vehicle is disclosed. The heating device includes at least one heating element and at least one sensor by means of which a predetermined behavior of the vehicle user preceding the start of the drive unit can be detected. The sensor interacts with the heating element in such a manner that it is switched on when the sensor detects the predetermined behavior. The predetermined behavior may be one or more of the following: inserting an ignition key in an ignition lock of the motor vehicle; actuating a shifting, clutch or braking device of the motor vehicle; or a behavior through which an anti-theft device of the motor vehicle can be triggered. A method for controlling a heating device for a drive unit in a motor vehicle is also disclosed. | 2015-08-06 |
20150219062 | IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - An ignition system includes: a step-up transformer having a primary side and a secondary side; an electric energy source which is able to be connected to the primary side; a spark gap, which is designed to carry a current transferred to the secondary side by the step-up transformer. The step-up transformer has a bypass for transferring electric energy from the electric energy source to the secondary side. The bypass is designed to support a decaying electrical signal in the secondary coil of the high-voltage generator as of a predefined time, or as of a predefined intensity of the current being reached. | 2015-08-06 |
20150219063 | IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - An ignition system includes: a step-up transformer having a primary side and a secondary side; an electrical energy source configured to be selectably connected to the primary side; a spark gap which is configured to guide a current transferred by the step-up transformer to the secondary side. The step-up transformer has a bypass for transferring electrical energy from the electrical energy source to the secondary side. The ignition system is configured to couple electrical energy in series or in parallel to the secondary side of the high voltage generator for the purpose of maintaining an ignition spark as an electrical voltage in the form of a controlled pulse sequence, e.g., within the kilo-hertz range. | 2015-08-06 |
20150219064 | Blade Wheel of a Kaplan Turbine - The invention relates to an impeller for a Kaplan turbine, comprising the following features or components: a shaft, a plurality of blades; a hollow hub which is located on the free end of the shaft and which carries the blades; an adjustment device for rotating the blades around axes of rotation perpendicular to the axis of rotation of the shaft. The invention is characterized by the following features: the interior of the hub is connected to a source of compressed air; branch lines are provided inside the hub to supply the compressed air to bearings or other lubrication points for the adjustment device. | 2015-08-06 |
20150219065 | POWER STORAGE SYSTEM - By outside seawater flowing through a passageway into a water tank having a prescribed volume and installed in the sea with top above the surface of the water, power is generated by a generator provided in the passageway. Therefore, by means of the simple configuration of installing the water tank in water, it is possible to store a prescribed amount of electric power depending on the volume of the water tank and loss is low because the length of the passageway for guiding the seawater into the generator is extremely short compared with conventional systems, making it possible to supply as necessary stable electric power from hydroelectric power generation with good power generation efficiency. | 2015-08-06 |
20150219066 | WAVE ENERGY CONVERTER - A wave energy converter ( | 2015-08-06 |
20150219067 | Device and Method for Assembling a Structure - The invention relates to a device for assembling a structure constructed from components, in particular a wind turbine. The device includes a lifting means placed on a surface for the purpose of placing a component on an available support structure, wherein a boom of the lifting means is provided with a main hoisting cable with attaching means, such as a hoisting tackle, for releasable attachment of the component for lifting to the boom. The boom further includes a guide device for the attaching means, the guide device is connected to the boom for displacement along a longitudinal axis of the boom by means of a displacing device, and the guide device is configured to limit movement of the attaching means in at least one direction. The invention likewise relates to a method which makes use of the invented device. | 2015-08-06 |
20150219068 | WIND TURBINE HAVING A PLURALITY OF AIRFOIL RINGS AND COUNTER ROTATING GENERATORS - A wind turbine can include a first rotating ring and a second rotating ring. A first plurality of airfoils is pivotally secured between an interior rim and an exterior rim of the first rotating ring and disposed at a first angle of attack. A second plurality of airfoils is pivotally secured between an interior rim and an exterior rim of the second rotating ring and disposed at a second angle of attack. A generator is mounted between the first rotating ring and the second rotating ring and generates electricity in response to the first plurality of airfoils capturing the wind with the first angle of attack such that the first rotating ring rotates in a first direction and the second plurality of airfoils captures the wind with the second angle of attack such that the second rotating rings rotate in an opposite direction from the first rotating ring. | 2015-08-06 |
20150219069 | GEOMETRIC DESCRIPTION OF A ROTOR BLADE - The invention is entirely in keeping with the industry of renewable energies, particularly those using kinetic energy from fluids. The invention comprises the non-conventional design of the shape or geometry of a rotor blade, such rotor being or not being coupled to a machine which generates power from the transformation of kinetic energy that a fluid in movement has. The fundamental purpose of the design is to improve the efficiency in which fluid kinetic energy is transformed, thus being able to obtain better power coefficient values and therefore better performance when generating power. Said rotor must have as a minimum two (2) blades (e) for the operation thereof and is primarily designed for wind power generation applications. | 2015-08-06 |
20150219070 | WIND TURBINE BLADE AND METHODS FOR TRANSPORTING, STORING AND INSTALLING WIND TURBINE BLADES - A wind turbine blade having a blade surface comprising a pressure side and a suction side, comprising one or more flow disturbing devices for provoking air flow separation arranged on the suction side of the blade, wherein the flow disturbing device is removable. | 2015-08-06 |
20150219071 | APPARATUS FOR EXTRACTING POWER FROM FLUID FLOW - An apparatus for extracting power includes a track and an airfoil coupled to the track. The track includes first and second elongate sections, where the first elongate section is positioned above the second elongate section. The airfoil includes a suction surface lying between a pressure surface and the track, and is moveable in opposite directions when alternately coupled to the first elongate section and second elongate section. | 2015-08-06 |
20150219072 | WIND TURBINE WITH AUTOMATIC TILTING FRAME FOR UNLOADING DAMAGING WINDS ENCOUNTERED BY WIND TURBINES - A wind turbine assembly is provided. The assembly includes a support structure and a wind turbine mounted on the support structure. The wind turbine includes a front face with blades defining a surface area to engage incoming wind, a roll axis about which the wind turbine can rotate in response to incoming wind to drive an electric generator, where the support structure defines a horizontal tilt axis about which the wind turbine can pitch forward and backward. The tilt axis divides the surface area of the wind turbine into upper and lower portions of unequal size, such that incoming wind on the front face of the wind turbine applies unequal force to the upper and lower portions of the surface area of the wind turbine to induce pitch of the wind turbine about the tilt axis. | 2015-08-06 |
20150219073 | METHOD AND CONTROL DEVICE FOR A WIND TURBINE, AND COMPUTER PROGRAM PRODUCT, DIGITAL STORAGE MEDIUM AND WIND TURBINE - The invention concerns a method of operating a wind power installation in which the rotor is brought to a halt and fixed, comprising the steps: braking the rotor, positioning the rotor at a stopped position, and fixing the rotor in the stopped position. According to the invention it is provided that an end position is predetermined, the rotor is braked in regulated fashion to a stopped position associated with the end position, and for positioning for the predetermined end position the rotor is braked in an automated procedure until stopped at the stopped position, and for fixing in the stopped position a mechanical fixing device is applied, in particular automatically. | 2015-08-06 |
20150219074 | WIND POWER PLANT CONTROL SYSTEM, WIND POWER PLANT INCLUDING WIND POWER PLANT CONTROL SYSTEM AND METHOD OF CONTROLLING WIND POWER PLANT - The invention relates to a wind power plant control system arranged for controlling one or more wind turbine generators in a wind power plant, wherein the wind power plant control system comprises a power plant controller and a modeling unit, the modeling unit being operatively coupled to the power plant controller. The modeling unit is arranged to calculate estimated values of electrical output parameters from the one or more wind turbine generators, and to output said estimated values to the power plant controller. The power plant controller is arranged for determining reference signals for dispatching to the one or more wind turbine generators, wherein the estimated values of said electrical output parameters are used by the power plant controller in the determination of said reference signals. The invention also relates to a corresponding method of controlling a wind power plant. | 2015-08-06 |
20150219075 | METHOD FOR OPERATING A WIND FARM AND WIND FARM - A method for operating a wind farm is provided. The wind farm includes at least two groups of wind turbines, each of the at least two groups of wind turbines includes at least one wind turbine of the wind farm, each of the wind turbines of the wind farm belonging to one of the at least two groups of wind turbines. The method includes determining a power setpoint for the wind farm, determining a group curtailment setpoint for each of at least two groups of wind turbines, determining a power production value of each of the at least two groups of wind turbines, determining for each of the at least two groups of wind turbines a power reference value using the respective group curtailment setpoint and the respective power production value, determine for each of the at least two groups of wind turbines a group power setpoint which is proportional to the respective power reference values, and operating the at least two groups of wind turbines in accordance with the respective group power setpoint. Furthermore, a wind farm is provided. | 2015-08-06 |
20150219076 | WIND TURBINE ROTOR SHAFT ARRANGEMENT WITH EXPANDING ATTACHMENT PORTION - A wind turbine rotor shaft arrangement comprising a rotor shaft, a first support structure for supporting the rotor shaft, and a first rolling bearing arranged to support the rotor shaft in relation to the first support structure. The first rolling bearing comprises an inner ring, an outer ring, a set of rolling elements, and an attachment portion for securing the inner ring. The attachment portion comprises an radially outer support surface, wherein the radially outer support surface of the attachment portion is expanded radially outwards for securing the inner ring by an expansion member being driven into the attachment portion. A method for manufacturing a wind turbine rotor shaft arrangement. | 2015-08-06 |
20150219077 | POWER GENERATING SYSTEM AND HYDRAULIC CONTROL SYSTEM - A hydraulic control system HCS for controlling a variable ratio transmission of a power generating system. A hydraulic motor/pump unit | 2015-08-06 |
20150219078 | COILED AND NON-COILED TWISTED POLYMER FIBER TORSIONAL AND TENSILE ACTUATORS - Actuators (artificial muscles) comprising twist-spun nanofiber yarn or twist-inserted polymer fibers generate torsional and/or tensile actuation when powered electrically, photonically, chemically, thermally, by absorption, or by other means. These artificial muscles utilize non-coiled or coiled yarns and can be either neat or comprising a guest. Devices comprising these artificial muscles are also described. | 2015-08-06 |
20150219079 | Method, System and Program Product Operable to Active a Motion Detector - A method, system and program product comprise applying a source of heat to a heatable object for a first predetermined period of time. The applying is conveyed by a terminal device. The heatable object is positionable within a sensing range of a motion detector. The applying of the heat source is stopped for a second predetermined period of time. The stopping enables the heatable object to cool in which a cycle of the applying and the stopping with motion of said heatable object is detectable by the motion detector. | 2015-08-06 |
20150219080 | Method, System and Program Product Operable to Relay a Motion Detector Activation - A method, system and program product comprise receiving an activated signal from a first motion detector. The activated signal indicating an object is detected by the first motion detector. A source of heat is applied to a heatable object for a first predetermined period of time in response to the receiving. The applying is conveyed by a terminal device. The heatable object is positionable within a sensing range of a second motion detector. The applying of the heat source is stopped for a second predetermined period of time. The stopping enables the heatable object to cool in which a cycle of the applying and the stopping with motion of said heatable object is detectable by the second motion detector wherein the detection by the first motion detector is relayed to the second motion detector. | 2015-08-06 |
20150219081 | Electronically controlled linear pump drive - Electronically controlled linear pump drive actuator for a dispensing pump has a servo motor unit having a stator with front and rear faces and a central hollow cavity, a rotor coaxially in the hollow cavity with a front portion having a front end with an open central bore and a shaft with a stepped diameter forming a rear extension, front and rear support members respectively for the front and rear faces, a support bearing in the rear member, a front bearing, and a position sensor; a ball screw drive mechanism having a nut connected with the rotor and a screw shaft having a front end section; a hollow cylinder attached to the front member's front end; an actuator member axially moveable in the hollow cylinder with a central rear part fixed to the front end section, and a hollow front part; and a pump plunger adaptor. | 2015-08-06 |
20150219082 | VARIABLE DISPLACEMENT TYPE SWASH PLATE COMPRESSOR - Setting of the pressure sensing mechanism which controls an opening degree of the first valve body is changed by transmitting driving force of the driving force transmission member to the first valve body via the second valve body. According to this configuration, when the second valve body has been opened while conduction of electricity to the electromagnetic solenoid has been stopped, the refrigerant gas from the discharge chamber is supplied to the control pressure chamber via the passage, the valve chamber, the communication opening, the insertion hole, the first passage, the second passage, the housing chamber, the passage, the second pressure adjusting chamber, the communication hole, the first pressure adjusting chamber, the first shaft inner passage, and the second shaft inner passage. | 2015-08-06 |
20150219083 | Vehicle Air Compressor Apparatus for a Heavy Vehicle Air Braking System - A vehicle air compressor apparatus is provided for a heavy vehicle air braking system. The apparatus comprises a crankcase, and a cylinder head disposed on the crankcase. The cylinder head includes (i) an air inlet port through which air can be received for compression within the crankcase and the cylinder head, (ii) a discharge port through which compressed air can be delivered from the cylinder head, (iii) a first port through which compressed air can pass, and (iv) a second port through which cooled compressed air can pass. The apparatus further comprises a discharge air cooling jumper connected externally of the cylinder head between the first and second ports. The jumper is arranged to cool compressed air passing from the first port through a discharge air path of the jumper to the second port to provide cooler compressed air to be delivered from the cylinder head through the discharge port. | 2015-08-06 |
20150219084 | COMPRESSOR - A compressor for compressing a refrigerant comprising a cylinder block, a cylinder cover ( | 2015-08-06 |
20150219085 | HERMETIC COMPRESSOR AND REFRIGERATION APPARATUS - A communication pipe outlet ( | 2015-08-06 |
20150219086 | GAS DISCHARGE ARRANGEMENT FOR A REFRIGERATION COMPRESSOR - The compressor comprises: a shell carrying a gas outlet tube and housing a cylinder cap having a gas outlet; and a plastic discharge tube having an inlet end and an outlet end respectively coupled to the gas outlet and to the gas outlet tube, at least one of said inlet and outlet ends being connected to a discharge part, defined at the gas outlet or at the gas outlet tube, by a connecting element having: a fixation portion, affixed inside the discharge part; an engaging portion fitted inside one end of the discharge tube and carrying a superficial indexing means acting against the discharge tube; and gripping means disposed between the indexing means and the fixation portion; and a retaining ring mounted around the discharge tube for compressing the latter, in order to spike, therein, the gripping means. | 2015-08-06 |
20150219087 | PERISTALTIC PUMP AND TRAILER MOUNTED SELF PUMPING SPRAYER SYSTEM INCORPORATING SAME - A sprayer system having a trailer, which is pulled by a tractor or other tow body, and has a tank carrying liquid to be sprayed and a spray head. The trailer has a peristaltic pump mounted on a frame and driving pumping power from the wheels of the trailer so that the sprayer is self pumping when the trailer is pulled. The peristaltic pump provides a smooth flow by providing a multiplicity of pulses of liquid produced by the pump from the rotation of the trailer wheels by wrapping the compressible tube of each pump around an assembly of rollers which are rotated by drive wheels. The tube is wrapped at least 360° around the rollers and is held stationary by being connected to fixed outlet and inlets of each pump. The tube lies side by side on at least one of the rollers of each assembly and overlaps that roller. | 2015-08-06 |
20150219088 | LIQUID TRANSPORT APPARATUS - A liquid transport apparatus includes: a flow channel forming member; a cam; a pressing member; a rotor configured to be rotated; a decelerating unit configured to transmit the rotation to the cam; a cam-side measuring unit configured to output a cam-side reference signal indicating the fact that the cam reaches a predetermined rotational angle; a first measuring unit configured to output a first signal when the rotor rotates; a second measuring unit configured to output a second signal indicating the fact that the rotor reaches a predetermined rotational angle; and a determining unit configured to determine a reference of the first signal on the basis of the second signal output after an output of the cam-side reference signal. The liquid transport apparatus is capable of determining a signal original point without variations to obtain a relationship between the signal original point and a pump original point easily. | 2015-08-06 |
20150219089 | AIR OPERATED PUMP - An elongate air operated pump includes a pump chamber, a bladder inside the pump chamber, inlet and outlet valves to and from the chamber and an air control system. The air control system includes a control valve alternately communicating compressed air and exhaust to atmosphere to a venturi with a first end, a second end and a throat port. The first end of the venturi receives continuous compressed air. The second end receives the alternately communication of compressed air and exhaust to atmosphere from the control valve. The throat port of the venturi is in continuous communication with the bladder to pressurize and draw a vacuum on the bladder. The valves may be pneumatic pinch valves controlled by the control valve to cycle with the bladder or passive one-way pump valves. | 2015-08-06 |
20150219090 | Pumping Unit and Counterbalance System for Pumping Units - A counterbalance system may include an outrigger support structure, a first elongated outrigger member, and a second elongated outrigger member. The outrigger support structure is adapted to be mounted in an operating position on a walking beam of a pumping unit. The first elongated outrigger member is connected to the outrigger support structure at a first lateral side of the counterbalance system. The second outrigger member is also connected to the outrigger support structure, but is connected at a second lateral side of the counterbalance system. A first suspension element may be connected to the first outrigger member and a second suspension element may be connected to the second outrigger member. Suitable counterbalance weights may be connected to the first suspension element while additional counterbalance weights may be connected to the second suspension element. These counterbalance weights connected to the first and second suspension elements may be used to counterbalance the weight on the downhole weight on the walking beam. | 2015-08-06 |
20150219091 | METHOD OF GENERATING A GRADIENT FLOW HAVING A CONSTANT COMPOSITIONAL NOISE CHARACTERISTIC - Described is a method of generating a flow having a composition gradient. A plurality of pump strokes is generated for each pump in a plurality of pumps. Each pump stroke has an initiation time and provides a volume contribution of a liquid to be mixed in the flow according to the composition gradient for the flow. The pump strokes of the pumps are controlled so that a sum of the volume contributions of the liquids that occurs between consecutive initiations of one of the pumps is maintained at a constant value throughout the duration of the flow. For each pump, the flow rates and the times between stroke initiations can change as long as the sum of all volumes contributed between the consecutive initiations of one of the pumps is held constant. Advantageously, the method achieves a constant compositional noise characteristic throughout the duration of the flow. | 2015-08-06 |
20150219092 | LIQUID TRANSPORT METHOD AND LIQUID TRANSPORT APPARATUS - A liquid transport method includes rotating a cam from a reference position of rotation of the cam rotating for transporting liquid; determining whether or not the cam rotates to a predetermined rotational angle on the basis of an image of a liquid transport apparatus captured when the cam is rotated and stopped; and memorizing a signal value indicating a rotational angle of the cam from the reference position of rotation until the cam rotates to the predetermined rotational angle. With this method, the relationship between a signal original point and a pump original point is obtained easily. | 2015-08-06 |
20150219093 | INDUSTRIAL FLUID CIRCUITS AND METHOD OF CONTROLLING THE INDUSTRIAL FLUID CIRCUITS USING VARIABLE SPEED DRIVES ON THE FLUID PUMPS OF THE INDUSTRIAL FLUID CIRCUITS - An industrial fluid circulation system and method has at least one fluid circulation circuit in an industrial process, such as an HVAC system. The at least one fluid circulation circuit includes a plurality of pumps connected in parallel to circulate a fluid through the at least one fluid circulation circuit, with at least two of the parallel connected pumps operating at all given loads. A separate motor drives each pump and a speed control is used to vary the speed of each motor to thereby vary the pumping capacity of each parallel connected pump. A load detector is provided to sense operating loads on the system, and each operating pump runs simultaneously at all loads, relative to a maximum pump speed, at a substantially similar reduced speed, a predetermined equal reduced speed or a predetermined almost equal reduced speed. | 2015-08-06 |
20150219094 | POSITIVE DISPLACEMENT MACHINE WITH A GLAND FOR DOUBLE PACKING SEALS - A positive displacement machine comprises a cylinder inside which there are a mobile piston, at least one first and one second insulation chamber containing a respective set of gaskets, at least one first and one second gland each of which is suitable for operating on one of the sets of gaskets, each gland comprising a tubular threaded portion and a ring nut fixedly attached to the tubular threaded portion. A sleeve able to slide with respect to said cylinder has a first end in contact with the first set of gaskets and a second threaded end for receiving in engagement the tubular threaded portion of the second gland, the sleeve being slidingly engaged by the first gland, and at least one of the ring nuts being a cylindrical gear wheel with straight teeth. | 2015-08-06 |
20150219095 | SEALING GLOVE FOR A CYLINDER OF A COMPRESSOR, COMPRESSOR AND COOLING APPLIANCE - A flexible sealing glove ( | 2015-08-06 |
20150219096 | Erosion, Corrosion, and Fatigue Prevention for High-Pressure Pumps - Disclosed are methods of enhancing resistance to erosion, corrosion, wear and tear, and fatigue in high-pressure pumps. One method includes providing a fluid end that comprises a body defining a pressure chamber in fluid communication with a plunger bore having a plunger reciprocably disposed therein, a suction valve pocket defined in the body and having inlet valve assembly arranged therein that includes a suction valve and a suction valve seat, and a discharge valve pocket defined in the body and having a discharge valve assembly arranged therein that includes a discharge valve and a discharge valve seat, and applying a wear-resistant substance directly to a surface of at least one of the pressure chamber, the plunger, the suction valve pocket, the suction valve, the suction valve seat, the discharge valve, and the discharge seat. | 2015-08-06 |
20150219097 | GEAR PUMP - In a gear pump, an outer inner wall surface of a suction port which is located on a downstream side in a rotor rotation direction, that is, a first inner wall surface, is located inward of a bottom land between internal teeth of an outer rotor, and the suction port has a shallow portion extended inward from the first inner wall surface on the downstream side in the rotor rotation direction, and a deep portion that is formed so as to be continuous with the shallow portion and that is deeper than the shallow portion. Communication between an inter-tooth chamber and the suction port is cut off with the inter-tooth chamber facing only the shallow portion. | 2015-08-06 |
20150219098 | Macerator Pump Apparatus With An Integral Waste Valve Assembly And A Quick Disconnect Discharge Assembly - A macerator pump apparatus (MPA) includes a waste valve assembly (WVA), a macerator assembly, a pumping assembly, and a quick disconnect discharge assembly (QDDA). An inlet port of the WVA receives waste matter from a waste holding tank (WHT). A valve member positioned within the WVA directs flow of the waste matter to the macerator assembly and isolates the waste matter within the WHT by closing the valve member before the MPA is disassembled for maintenance. The macerator assembly macerates the waste matter and transfers the macerated waste matter to the pumping assembly and to a discharge port of the QDDA. A quick disconnect member detachably connects an outlet plumbing pipe to the discharge port via a quick disconnect valve (QDV) for discharging the macerated waste matter. The QDV isolates the macerated waste matter within the outlet plumbing pipe by closing the QDV before the MPA is disassembled for maintenance. | 2015-08-06 |
20150219099 | ROTARY-OSCILLATING SUBASSEMBLY AND ROTARY-OSCILLATING VOLUMETRIC PUMPING DEVICE FOR VOLUMETRICALLY PUMPING A FLUID - A rotary oscillating sub-assembly for positive displacement pumping of a fluid, said sub-assembly comprising: a hollow body defining a cavity having a wall with two ducts passing therethrough; a piston co-operating with said cavity to define a working chamber and including a channel that opens out longitudinally into said working chamber, said piston being movable angularly so as to put said working chamber into fluid-flow communication with one, then none, then the other of said ducts, and being movable in longitudinal translation to reciprocate so as to cause the volume of said working chamber to vary and successively suck in and then discharge said fluid, said piston carrying a sealing gasket that is formed of at least a sealing ring, a sealing half-ring, and at least one sealing strip that longitudinally connects said sealing ring to said sealing half-ring. | 2015-08-06 |
20150219100 | SCROLL COMPRESSOR WITH CAPTURED THRUST WASHER - A load transmittal apparatus transfers an axial load to a thrust surface during operation of a scroll compressor. | 2015-08-06 |
20150219101 | SCROLL COMPRESSOR - A scroll compressor | 2015-08-06 |
20150219102 | VACUUM PUMP - A vacuum pump, particularly a rotary vane pump with a high pumping capacity, has a pump chamber in a housing. A pump element is arranged in the pump chamber. The pump element is supported by a rotor shaft. The rotor shaft is connected to a belt pulley arranged outside of the pump housing. The pump also has a motor arranged outside of the pump housing. The drive shaft of the motor carries a drive pulley. The drive pulley is connected to the rotor pulley via a belt. To simplify assembly, the drive pulley and/or the rotor pulley are formed of multiple parts. | 2015-08-06 |
20150219103 | PRESSURE-INCREASING UNIT - The present invention relates to a pressure-increasing unit ( | 2015-08-06 |
20150219104 | METHOD OF DETERMINING CIRCULATION STATE OF COOLING WATER - A method of determining a state of cooling water is provided. The method includes operating, by a controller, a driving motor of a cooling water-circulating pump that is configured to circulate cooling water at a fixed current, a fixed torque, or a fixed power. In addition, the controller is configured to calculate an average rotation speed of the driving motor for a preset first period of time during the operation of the driving motor. Whether the circulation state of the cooling water is normal is determined based on an error between the calculated average rotation speed and a preset reference rotation speed. | 2015-08-06 |
20150219105 | ROTATING FLOW GENERATOR, PLUMBING SYSTEM, SEMICONDUCTOR MANUFACTURING EQUIPMENT AND HEAT EXCHANGER COMPRISING THEREOF - An object of the present invention is to provide a rotating flow generator which is capable of preventing a pipe arrangement from clogging. A rotating flow generator | 2015-08-06 |
20150219106 | TURBO COMPRESSOR - A turbo compressor includes a first compressor stage, which has a first compressor wheel, and a second compressor stage, which has a second compressor wheel, the first compressor wheel and the second compressor wheel being situated on a common shaft ( | 2015-08-06 |