Abstract: An amount of air taken into an air leading type two-stroke engine is increased to enhance an engine output, and gas emission characteristic deterioration caused by blow-back is inhibited. An inhibition member 16 is disposed between a choke valve 4 in a full open position and a throttle valve 6 in a full open position. The inhibition member 16 includes, for example, a mesh member like a metal mesh. Mixed fuel containing oil is supplied to the air-fuel mixture channel 14. Numerous pores of the inhibition member 16 (mesh member) are occluded by a membrane of oil components of the mixed fuel. Consequently, entry of a blow-back flow of an air-fuel mixture from the air-fuel mixture channel 14 into the air channel 12 through the numerous pores of the flow inhibition member 16 (mesh member) can be inhibited.

Abstract: An engine system with intake gas individually cooled per cylinder may include a cylinder head on a top of an engine configured to form combustion chambers together with a plurality of cylinders; an intake manifold having a plurality of runners configured to be connected to a plurality of intake ports formed in the cylinder head to be in fluidic communication with the plurality of engine cylinders through the plurality of intake ports and the plurality of runners; and a plurality of water cooling intercoolers for cooling at least one of exhaust gas recirculation (EGR) gas and new air with cooling water, wherein the plurality of water cooling intercoolers are connected to the plurality of runners, respectively.

Abstract: Systems and methods for improving compressor recirculation valve operation of an engine that includes a compressor are presented. The systems and methods adjust a position of a waste gate while the compressor recirculation valve is operated in a closed loop mode to maintain engine intake manifold throttle inlet pressure during a diagnostic mode to adapt operation of the compressor recirculation valve.

Abstract: A turbocharger turbine (2) includes a wastegate subassembly (50) that includes a mounting plate (51) having a bore (55) therethrough, a valve shaft (60) disposed in the bore (55), and a wastegate valve (30) including a valve body (31) and a valve arm (36) that secures the valve body (31) to an end of the valve shaft (60). The wastegate subassembly (50) is preassembled prior to assembly with the turbocharger (1), and is detachably secured to an outer surface of the turbine exhaust gas inlet (10) such that valve body (31) is positioned to control exhaust gas flow through a bypass port (13) that extends between the exhaust gas inlet (10) and an exhaust gas outlet (12), and bypasses the turbine wheel (16).

Abstract: Systems and methods for compensating for deposits that may accumulate within a compressor recirculation valve positioned in parallel with a turbocharger compressor are presented. The systems and methods adjust actuators to maintain engine operation such that it may be more difficult for a driver to become aware that a compressor recirculation valve diagnostic is being executed.

Abstract: Systems and methods for determining the presence or absence of deposits that may accumulate within a compressor recirculation valve positioned in parallel with a turbocharger compressor are presented. The systems and methods adjust actuators to maintain engine operation such that it may be more difficult for a driver to become aware that a compressor recirculation valve diagnostic is being executed.

Abstract: An exhaust-gas turbocharger with a compressor with a charge pressure control device. An actuator is provided which moves a control rod arrangement. The control rod arrangement is in turn rotatably connected to a lever. The charge pressure control device is actuated by the lever. A pin is arranged on the lever. The control rod arrangement has a bushing which is pushed onto the pin. The connection between pin and bushing constitutes a rotatable connection for enabling the lever to be actuated by the control rod arrangement. This arrangement is very simple to produce and very simple to assemble because the bushing must merely be pushed onto the pin.

Abstract: A variable turbine geometry turbine turbocharger (1) includes vanes (30) configured to control flow of exhaust gas to a turbine wheel (12), and an adjustment ring (40) connected to each vane (30) that controls the angular orientation of all the vanes (30) in unison. The adjustment ring (40) is supported on the bearing housing (16) and is supported on, and piloted relative to, an axially extending nose portion (17) of the bearing housing (16) by surface features (60) formed along an inner edge (43) of the adjustment ring (40).

Abstract: An engine control system is provided and includes an engine having combustion chambers and provides driving torque through combustion of a fuel injected into the combustion chambers. A turbocharger includes a turbine rotated according to flow energy of exhaust gas, a compressor compressing external air, and a vane adjusting amount of exhaust gas supplied to the turbine. An EGR device recirculates exhaust gas to the combustion chamber. An exhaust manifold includes a body with an internal fluid path, exhaust inlets in which exhaust gas is introduced, a partition to form internal fluid paths, and an exhaust outlet to which exhaust gas is exhausted. Temperature sensors measure temperature of exhaust gas flowing through the internal fluid paths. A controller adjusts an opening amount of the vane of the turbocharger, exhaust gas recirculated using the EGR device, and fuel to be injected to the combustion chambers based on measured temperature.

Abstract: Systems and methods for operating a compressor and a compressor recirculation valve of a turbocharged engine to avoid the possibility of compressor surge are presented. The systems and methods position the compressor recirculation valve responsive to a compressor surge line that is based on two other compressor surge lines that may be a function of compressor pressure ratio and compressor flow.

Abstract: An apparatus for supporting a waste gate module includes a support bracket connecting the waste gate module and a turbocharger housing, and a coupling protrusion formed on a face of the support bracket and that faces the waste gate module, where the coupling protrusion has an end coupled to the waste gate module.

Abstract: The objective is to provide lubrication oil and internal-combustion engine fuel for reducing the fuel consumption and for reducing carbon dioxide and other exhaust gas components. The lubrication oil is injected with lubrication oil impregnating agent composed of dimethylalkyl tertiary amine in the range from 0.01 to 1 volume % and desirably in the range from 0.1 to 0.5 volume %. Petroleum oil fuel is injected with fuel oil impregnating agent composed of dimethylalkyl tertiary amine in the range from 0.5 to 1 volume %. The petroleum oil fuel is light oil, kerosene, gasoline, or Bunker A. Any one or both of these lubrication oil and petroleum oil fuel is/are used for an internal-combustion engine.

Abstract: A switching valve for an internal combustion engine, which has an adjustable compression ratio, namely to control a hydraulic oil flow particularly for an eccentric adjustment mechanism, having a control piston, which can be shifted by a switching mechanism similar to a ballpoint pen mechanism, wherein the control piston controls the hydraulic oil flow dependent on the switch position thereof, wherein the switching mechanism comprises at least one actuation element and a detent element, and wherein at least the control piston, the actuation element and the detent element are nested in each other so that they are implemented in a concentrically overlapping manner, at least in sections, when viewed in the shifting direction of the control piston.

Abstract: A diagnosis device diagnoses a cooler adapted to cool a fluid flowing through intake and exhaust systems of an engine, and includes: a downstream temperature sensor for detecting a fluid temperature downstream of the cooler; a fluid temperature calculation unit for calculating a fluid temperature upstream of the cooler based on a fluid state quantity; a sensor output value calculation unit for assuming an upstream temperature sensor configured to detect a fluid temperature upstream of the cooler, reflecting a sensor response delay in the calculated fluid temperature, and calculating an estimated sensor output value of the upstream temperature sensor; and a cooler diagnosis unit for diagnosing the cooling efficiency of the cooler based on an actual sensor input value entered from the downstream temperature sensor and the calculated estimated sensor output value.

Abstract: A reverse flow gas turbine engine includes a propulsor section which includes a propulsor compressor section and a propulsor turbine section. The propulsor section includes a fan section and a geared architecture. The fan section is driven by the propulsor turbine section. A core section is arranged fluidly between the propulsor compressor section and the propulsor turbine section. The core section includes a reverse flow duct that reverses a core flow through the core section. At least one of the propulsor section and the core section has a two-spool arrangement.

Abstract: An IGCC plant includes a coal gasifier that gasifies coal by using an oxidizer, a gas turbine that is driven by combustion gas generated by combustion of fuel gas obtained by purifying gas generated by the coal gasifier in gas clean-up equipment, and an oxidizer supply path for supplying air extracted from an air compressor of the gas turbine or oxygen separated from the air as an oxidizer for the coal gasifier. A control unit (50) for the gasification power generation plant controls the amount of the oxidizer that is supplied to the coal gasifier to be less than or equal to a predetermined upper-limit value, while allowing deviation of an air ratio from a predetermined set value, the air ratio representing the ratio of the amount of air that is supplied to the coal gasifier relative to a theoretical amount of air for combustion of carbon, in accordance with variations in an operating-state quantity of the coal gasifier or variations in a load of the IGCC plant.

Abstract: Variable bleed valve systems thereof including a stop mechanism with a self-lubricating follower nut assembly are provided. Self-lubricating follower nut assembly includes a follower nut and a pair of grease reservoirs. Follower nut has a recess at each of a first end and a second end and a groove extending between the first and second ends. A grease reservoir is disposed within each recess. Each grease reservoir has an outlet opening substantially aligned with a corresponding end of the groove. Each grease reservoir is compressible to expel lubricating grease into the groove upon compression. The self-lubricating follower nut assembly is configured to translate along a hollow screw between opposed end stops disposed within a housing of the stop mechanism. Each grease reservoir is compressed each time the self-lubricating follower nut assembly impacts an end stop of the opposed end stops.

Abstract: The invention relates generally to electrical power systems, including generating capacity of a gas turbine, and more specifically to pressurized air injection that is useful for providing additional electrical power during periods of peak electrical power demand from a gas turbine system power plant, as well as to inlet heating to allow increased engine turn down during periods of reduced electrical demand.

Abstract: There is provided a gas turbine system including: a compressing portion; a combustor generating a combustion operation by using first compressed air coming from the compressing portion; a turbine portion generating power by using a combustion gas coming from the combustor; a heat recoverer recovering a heat from a discharge gas of the turbine portion; and a compressed air supplier providing second compressed air to which the heat recovered by the heat recoverer is transferred, wherein at least a portion of the second compressed air to which the heat has been transferred is supplied to at least one of the combustor and the turbine portion.

Abstract: A system for injecting one or more fluids at one or more stages of a multi-stage component of a gas turbine engine is disclosed herein. The system includes a fluid source having a fluid. The system also includes at least one spray nozzle disposed about each stage of the multi-stage component. The at least one spray nozzle is in fluid communication with the fluid source.

Abstract: Aspects of the disclosure are directed to a system of an aircraft, comprising: at least one fairing, a liner, and an actuator configured to cause the at least one fairing to be translated relative to the liner in order to obtain a modulation of a metering area between the liner and the at least one fairing,

Abstract: A method and apparatus using a cooler to selectively cool P3 air directed into an impeller rear cavity of a gas turbine engine during engine high power levels, may include connection of the cooler to a low pressure compressor bleed-off valve apparatus that is modulated to be closed during engine high power levels to create a pressure differential over the bleed-off valve apparatus, to drive a stream of low pressure compressor air as a cooling work fluid under such pressure differential to selectively flow through the cooler.

Abstract: The present application provides a fuel nozzle for a gas turbine engine using a primary fuel and a secondary fuel. The fuel nozzle may include a number of primary fuel injection ports for the primary fuel, a water passage, a number of secondary fuel injection ports, and a secondary fuel evaporator system for atomizing the secondary fuel.

Abstract: An exemplary fuel spray bar system can include a conduit, which is pivotally attached to an engine frame and configured to deliver fuel from a fuel line to an engine flow path. The system further includes a drive mechanism, which is configured to move the conduit between a stowed position and a deployed position.

Abstract: Two systems of a first pump unit and a third pump unit that supply fuel of a fuselage fuel tank, and a second pump unit and a fourth pump unit that supply fuel of fuel tanks in both right and left wings are provided corresponding to a left-wing engine and a right-wing engine, respectively. A supply source of the fuel to be supplied to the left-wing engine or the right-wing engine is switched by switching of the pump unit to be turned on.

Abstract: Aft frame assemblies for aft ends of gas turbine transition pieces comprise a body comprising a downstream facing seal surface on an aft end, wherein at least a portion of the downstream facing seal surface configured to be exposed to a combustion discharge stream, a heat shield disposed proximate the aft end of the body, wherein the heat shield is configured to deflect at least a portion of the combustion discharge stream away from the aft end of the body, and, one or more heat shield supports connected to the body and configured to at least partially restrict deflection of the heat shield back towards the body.

Abstract: A shield assembly for shielding a housing of an electro-mechanical device from a hot body includes a first sidewall and a second sidewall disposed in a spaced apart relation from each other. A third sidewall extends between the first sidewall and the second sidewall to define a space therebetween. The first, second, and third sidewalls are configured to receive the housing of the electro-mechanical device in the space defined therebetween. The shield assembly further includes a backing plate extending laterally from a bottom end of at least one of the first, second, and third sidewalls. The backing plate is releasably fastened with a bottom end of the housing. The shield assembly further includes a tab member extending away from a top end of at least one of the first, second, and third sidewalls. The tab member is releasably fastened with a bracket associated with the housing of the electro-mechanical device.

Abstract: A method of operating a turbine engine, the turbine engine having an inlet, a shaft, a turbine, a control system, a fuel system and a modular liquid fuel burner system having at least two interchangeable liquid burners and a liquid-fuel manifold. The control system controls a fuel supply via the liquid-fuel manifold to the burners dependent on demanded output power. The at least two interchangeable liquid fuel burners have different operating power output ranges and having at least a high power output liquid fuel burner and a low power output liquid fuel burner. The method of operating the turbine engine includes the steps of controlling a liquid fuel supply to the high power output burner for a high power output having a turbine entry temperature limit and controlling a liquid fuel supply to the low power output burner for a low power output having a liquid fuel manifold pressure limit.

Abstract: The present application provides a gas turbine engine. The gas turbine engine may include a compressor, a compressor wash system in communication with the compressor, a condensate or boiler feed water system in communication with the compressor, and a dosing system in communication with the condensate or boiler feed water system.

Abstract: The present application provides a gas turbine engine. The gas turbine engine may include a compressor, a condensate or boiler feed water system in communication with the compressor, a dosing system in communication with the condensate or boiler feed water system, and a cooling water system in communication with the condensate or boiler feed water system.

Abstract: A gas turbine engine includes a turbine section that has first and second turbines mounted for rotation about a common rotational axis within an engine static structure. First and second turbine shafts coaxial with one another and to which the first and second turbines are respectively operatively mounted. First and second tower shafts respectively coupled to the first and second turbine shafts. An accessory drive gearbox is mounted to the engine static structure. The accessory drive gearbox includes gears arranged within a common housing. The first and second tower shafts extend into the common housing and are coupled to the gears.

Abstract: A control method and mechanization is disclosed to bleed compressor air in order to control the gas turbine of a turbo heater. Compressed air may selectively bleed with a control value in order to increase or decrease the efficiency of the gas turbine unit. Additionally, the control system enables the bleed air system allows to re-circulate compressed air to mix with the combustion air and provide a pre-heat thereof. The control system further enables re-direction of the combustion feed stream into the exhaust gas stream to promote complete combustion of the unburned fuel and combustion by-products in a catalytic converter downstream of the gas turbine to provide a breathable exhaust gas from the turbo heater.

Abstract: A fuel injection system for a gas turbine engine can be used to ensure successful transition in all conditions, while avoiding the possibility of steady state, or increasing power mode, operations with an insufficiently filled secondary fuel line. This may be accomplished by altering a pressure in a secondary fuel line. The present disclosure allows for the elimination of individual fuel injector valves, which may reduce the total complexity and number of parts of the fuel injection system.

Abstract: A system and method for supplementing fuel feed pressure and flow within an aircraft fuel system. The fuel system includes boost and override fuel pumps delivering fuel from the tanks to a fuel manifold, and a jettison fuel pump. The method includes the steps of: (a) sensing whether the aircraft engine is operating near maximum power; (b) upon sensing the condition, operating the jettison fuel pump in fluid interconnection with the override fuel pump to deliver fuel to the fuel manifold; and (c) upon sensing the cessation of the condition, deactivating the jettison fuel pump. The system includes a monitoring circuit signaling when the aircraft engine speed is greater than a predetermined threshold, and a fuel system control circuit operating a jettison fuel pump enable circuit portion in response to the signal while omitting other jettisoning operations. The jettison fuel pump consequently functions as an override fuel pump assist.

Abstract: A throttle control assembly which includes a valve plate made of aluminum, where the valve plate has a brass coating to substantially reduce or eliminate the effects of thermal cycling, and the probability of the occurrence of micro-welding. In one embodiment, the brass coating is applied using an electroplating process.

Abstract: A high pressure fuel supplying apparatus of an engine may include a chain case configured to enclose a chain which transfers power from a crankshaft of the engine to a valve camshaft, a pump housing part integrated with the chain case, and a pumping rotating body directly driven by the chain and forming a reciprocating linear displacement within the pump housing part.

Abstract: A controller for controlling an internal combustion engine includes a valve timing adjuster, a variable valve lift mechanism and a processor. The processor controls a duty cycle of a drive signal in a selected one of control modes, thereby changing a relative rotational phase of a camshaft relative to an engine output shaft. The control modes include a specific control mode in which the duty cycle of the drive signal is adjusted to change a value of the current through a first motor. The processor performs, when changing the relative rotational phase through execution of the specific control mode, an abnormality diagnosis for the variable valve lift mechanism based on a comparison between the current value at the first motor and a reference current value. The processor sets the reference current value in accordance with a rotation angle of the output shaft of a second motor.

Abstract: A six-stroke engine includes a cylinder, a piston, a cylinder head, a combustion chamber, an intake port, an exhaust port, an intake valve, an exhaust valve, a fuel injector, and an ignition plug. The six-stroke engine includes a valve gear that operates the intake valve and the exhaust valve to execute an intake stroke, a compression stroke with ignition, an expansion stroke with combustion, an exhaust stroke, an expansion stroke without combustion, and a compression stroke without ignition. The valve gear opens, only for a predetermined period of time while the piston is located at top dead center, at least one of the intake valve and the exhaust valve within a period from the exhaust stroke to the intake stroke. A valve overlap state is produced at least once within the period from the exhaust stroke to the intake stroke.

Abstract: The invention relates to a method for controlling an engine braking device for a combustion engine in motor vehicles, in particular in commercial vehicles, which has an intake system, an exhaust system, gas exchange valves associated with the combustion engine, a fuel injection device, which injects fuel into at least one combustion chamber, an exhaust turbocharger integrated into the exhaust system and the intake system, and an engine braking unit, wherein the engine braking unit has a decompression brake, which influences at least one outlet valve of the gas exchange valves, and a brake flap, which is arranged in the exhaust system and causes the exhaust gas to build up. According to the invention, as engine braking starts or during engine braking, fuel is injected into at least one combustion chamber of the combustion engine for a predefined period of time.

Abstract: The invention relates to a method for controlling an engine braking device for a combustion engine in motor vehicles, wherein the engine braking device has an intake system, an exhaust system, gas exchange valves associated with the combustion engine, exhaust turbo-charging by at least one exhaust turbocharger integrated into the exhaust system and the intake system, and an engine braking unit, wherein the engine braking unit has a decompression brake, which influences at least one outlet valve of the gas exchange valves and is dependent on the exhaust gas backpressure, and a brake flap, which is arranged in the exhaust system. To achieve a precisely controllable engine braking power in the engine braking mode, the demanded braking torque is controlled in accordance with the boost pressure of the exhaust turbocharger and with the exhaust gas backpressure upstream of the brake flap, which is arranged directly upstream of an exhaust turbine of the exhaust turbocharger.

Abstract: The invention relates to an engine braking device for a combustion engine in motor vehicles, which has an intake system, an exhaust system, gas exchange valves associated with the combustion engine, an exhaust turbocharger integrated into the exhaust system and the intake system, and an engine braking unit, wherein the engine braking unit has a decompression brake, which influences at least one outlet valve of the gas exchange valves, and a brake flap, which is arranged in the exhaust system and causes the exhaust gas to build up. The brake flap is arranged upstream of and outside, preferably directly upstream of and outside, a turbine housing of an exhaust turbine of the exhaust turbocharger and is designed as a flow guiding flap which influences the admission of a gas flow to the exhaust turbine. The invention also relates to a method for operating an engine braking device.

Abstract: An energy storage advisement (ESA) controller assists with operation of a vehicle having a turbine for generating electricity from engine exhaust, a storage device for storing the electricity, and a compressor driven by the storage device for turbo charging the engine. The ESA controller includes a memory configured to store program instructions and a processor configured to execute the program instructions. The program instructions, when executed, are configured to: receive first data related to a pathway upon which the vehicle is travelling and second data related to vehicle dynamics; calculate a first and second control signals based on the first and second data, wherein the first control signal is for modifying operation of the turbine and the second control signal is for modifying operation of the compressor; and provide the control signals to a power distribution module for controlling the turbine and compressor for efficient operation of the engine.

Abstract: A system for controlling an engine includes a driving information detector detecting driving information. At least one intake valve and at least one exhaust valve open and close the combustion chamber. A variable valve lift (VVL) system adjusts opening timing of the intake valve and the exhaust valve. A compressor rotates by a rotational force of a turbine and compresses intake air, and a vane adjusts the amount of exhaust gas supplied to the turbine. A controller controls opening of the vane using a high pressure EGR valve, when the exhaust valve is open during a suction stroke by the VVL system, the vehicle accelerates or decelerates, and an air/fuel ratio is beyond reference ratio range.

Abstract: Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control.

Abstract: A fuel control system for a multiple fuel internal combustion engine may include at least one cylinder pressure sensor associated with each cylinder of the engine. A data collection module may be configured to receive real-time cylinder pressure measurements from each of the at least one cylinder pressure sensors and calculate one or more actual combustion parameter values from the real-time cylinder pressure measurements. A comparison module may be configured to receive the calculated one or more actual combustion parameter values from the data collection module and compare the calculated one or more actual combustion parameter values for each cylinder to theoretical combustion parameter values to determine any difference therebetween, wherein the theoretical combustion parameter values are derived independently from any actual combustion parameter values based on real-time sensor measurements.

Abstract: A fuel control system for a multiple fuel internal combustion engine may include at least one cylinder pressure sensor associated with each cylinder of the engine. A data collection module may be configured to receive real-time cylinder pressure measurements from each of the at least one cylinder pressure sensors and calculate one or more actual combustion parameter values from the real-time cylinder pressure measurements. A comparison module may be configured to receive the calculated one or more actual combustion parameter values from the data collection module and compare the calculated one or more actual combustion parameter values for each cylinder to reference combustion parameter values to determine any difference therebetween, wherein the reference combustion parameter values are the same for each of the cylinders.

Abstract: A method for operating an internal combustion engine having a plurality of cylinders includes: measuring, by exhaust gas sensors arranged at an exhaust gas of every cylinder for which cylinder-specific combustion control is carried out, for each respective cylinder, at least one actual combustion value; comparing each respective measured actual combustion value with a reference combustion value to determine at least one cylinder-specific control deviation for every cylinder for which cylinder-specific combustion control is carried out; determining at least one cylinder-specific control variable for every cylinder for which cylinder-specific combustion control is carried out based on the cylinder-specific control deviation or on every cylinder-specific control deviation; and operating each cylinder for which cylinder-specific combustion control is carried out based on the respective cylinder-specific control variable to bring the respective actual combustion value closer to the respective reference combustion

Abstract: A system includes a controller configured to compare a nitrogen oxides (NOX) concentration within treated exhaust gases from a combustion engine after flowing through a first catalyst assembly and a second catalyst assembly relative to a NOX threshold value, to determine a change in O2 concentration within the treated exhaust gases between the first and second catalyst assemblies upstream of a location of oxidant injection into the treated exhaust gases, and to adjust an air-fuel ratio of the combustion engine based on the change in O2 concentration in the treated exhaust gases if the NOX concentration is greater than the NOX threshold value.

Abstract: A system includes a controller that has a processor. The processor is configured to receive a first signal from a first oxygen sensor indicative of a first oxygen measurement and a second signal from a second oxygen sensor indicative of a second oxygen measurement. The first oxygen sensor is disposed upstream of a catalytic converter system and the second oxygen sensor is disposed downstream of the catalytic converter system. The processor is also configured to derive a plurality of oxygen storage estimates based on the first signal, the second signal, and a catalytic converter model. Each of the plurality of oxygen storage estimates represents an oxygen storage estimate for a corresponding cell of a plurality of cells in the catalytic converter system. Further, the processor is configured to derive a system oxygen storage estimate for the catalytic converter system based on the plurality of oxygen storage estimates.

Abstract: In a sensor control apparatus of a gas detection system, a multiplexer having received an instruction from a digital computation section outputs analog signals in the order of, for example, “signal 1, signal 2, signal 1, signal 3, signal 1, signal 4.” By outputting the analog signals while classifying each of them as a high occurrence-frequency signal which is high in output frequency or a low occurrence-frequency signal which is low in output frequency, the multiplexer can increase the sampling frequency of signal (analog signal of Vs+-COM voltage) which is the high occurrence-frequency signal. The sensor control apparatus can increase the sampling frequency in AD conversion of signal to a digital value, while suppressing an increase in the cost of an AD conversion section.