Abstract: A vaporized fuel processing apparatus has a canister capable of adsorbing vaporized fuel generated in a fuel tank, a closing valve provided in the vapor path connecting the canister and the fuel tank and having a valve seat and a valve movable portion, a pressure sensor configured to detect inner pressure of the fuel tank, and an electric control unit. The electric control unit is configured to set a learning value that is an axial distance between the valve seat and the valve movable portion at a valve opening start position at a fail-safe value such that the closing valve is in the valve closing state when the inner pressure of the fuel tank decreases by less than a predetermined value after repeating a stroke control process more than predetermined times.

Abstract: Methods and systems are provided for relieving excess fuel tank vacuum in a vehicle. In one example, responsive to a fuel tank vacuum above a threshold or a rise in fuel tank vacuum level being higher than a threshold rate, a canister purge valve is opened to dissipate the fuel tank vacuum into an engine intake manifold while the engine is combusting, and the amount of intake air inducted into the intake manifold is adjusted such that air/fuel ratio errors are reduced. In this way, fuel tank vacuum may be relieved under engine operating conditions wherein the likelihood of air/fuel ratio errors are high, thus enabling rapid relief of fuel tank vacuum such that fuel tank degradation can be reduced and fuel system integrity can be better maintained.

Abstract: An air-fuel ratio control apparatus includes an air-fuel ratio detector, an oscillation signal generator, an air-fuel ratio oscillation device, a sum/difference frequency component intensity calculator, a decision parameter calculator, and an imbalance failure determination device. The sum/difference frequency component intensity calculator is configured to calculate, while the air-fuel ratio oscillation device is in operation, at least one of a component intensity of a difference frequency and a component intensity of a sum frequency. The decision parameter calculator is configured to calculate, according to at least one of the component intensity of the difference frequency and the component intensity of the sum frequency, a decision parameter to determine a degree of imbalance of an air-fuel ratio. The imbalance failure determination device is configured to determine an imbalance failure in which the degree of imbalance of the air-fuel ratio exceeds an allowable limit using the decision parameter.

Abstract: One embodiment is a unique strategy for raising exhaust temperatures which includes deactivating a first group of cylinders while maintaining a second group of cylinders in a combustion mode and injecting fuel into each of one of the second group of cylinders not earlier than 2 degrees before top dead center (TDC). The strategy also includes passing fuel rich exhaust from the second group of cylinders into an exhaust pathway and oxidizing at least a portion of the fuel rich exhaust in the exhaust pathway. In one form, the oxidizing occurs independent of any catalytic influence. Other embodiments include unique methods, systems, and apparatus for raising exhaust temperatures and/or regenerating one or more components of an aftertreatment system. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings.

Abstract: Various methods for inferring oil viscosity and/or oil viscosity index in an internal combustion engine are provided. In one aspect, a new control method comprises: after engine shutdown, learning engine oil viscosity based on time to drain the oil back into an engine sump and oil temperature during the draining, and correcting an engine operating parameter based on the learned oil viscosity.

Abstract: A system and method for controlling an exhaust after-treatment apparatus for vehicle are provided. The method includes detecting, by a controller, signals from a front lambda sensor and a rear lambda sensor of a Lean NOx Trap (LNT), when an engine is driven in a rich mode and acquiring, by the controller, a temperature of exhaust gas detected by a temperature sensor, when the engine is driven in a rich mode. Further the method includes comparing, by the controller, the signals from the front lambda sensor and the rear lambda sensor to detect a breakthrough time when a breakthrough occurs between the signals from the front lambda sensor and the rear lambda sensor. In addition, the controller is configured to determine an additional rich time period based on the breakthrough time and the temperature of exhaust gas.

Abstract: A method and system for determining combustion and harmonic noise correction factors for current operating conditions corresponding to the actual vehicle and applying the combustion and harmonic noise correction factors to a sensor signal, thereby removing engine combustion and harmonic noise from the sensor signal and leaving a misfire data signal in the sensor signal.

Abstract: A method for assessing the status of an electromechanical actuator device is disclosed. The actuator device is provided for actuating control element apparatuses in an internal combustion engine for a motor vehicle. This actuator device has an activation apparatus and a stator apparatus as well as at least one electrical coil apparatus. The actuator device can be changed over from a first operating state into a second operating state. During the changeover, activation power is fed to the coil apparatus by a control line apparatus. In the method, the activation power is fed to the actuator device, the feeding of the activation power is reduced, and the control line apparatus is monitored and an actuator assessment characteristic variable is determined from the data acquired in the process. Furthermore, the actuator assessment characteristic variable is assessed by a comparison variable which is based on the fed-in activation power.

Abstract: A method and apparatus for controlling fuel injection in an internal combustion engine is disclosed which controls a fuel injection pressure and a fuel injection energizing time, by using as input parameter an estimated corrected injector fuel quantity (Qcrtd). In particular, an injector fuel quantity deviation (?QCB) corresponding to a current engine operating point is estimated and stored in a corresponding point of a map, representing engine operating points defined in terms of injection pressure and injector fuel quantity values. The stored injector fuel quantity deviation (?Qstored) are spread or propagated to each map point. For each engine operating point, the corrected injector fuel quantity (Qcrtd) is calculated by blending estimated values of the injector fuel quantity deviation (?QCB) with corresponding spread values of the stored injector fuel quantity deviation (?Qstored) and summing this result to corresponding target values of the injector fuel quantity (Qtarget).

Abstract: Disclosed are a method and a system for diagnosing failure of a gasoline direct injection (GDI) engine that can diagnose a device (or part) causing failure through forcible driving control of a related device (or part) when failure occurs in the GDI engine. The method for diagnosing failure of a GDI engine may include verifying whether a failure code is output from an engine control unit that controls the engine, and diagnosing whether a fuel system device is in a failure state by forcibly driving the fuel system device of the engine with a set control value when the failure code is output from the engine control unit.

Abstract: Methods are provided for improving delivery of supercritical fuels via a direct injector. An injector control parameter is adjusted based on one of a fuel pump gain, an injected fuel mass, or a change in pressure in the fuel rail, and the engine operates the injector based on the adjusted parameter. Injector control parameters are only adjusted when fluid is subcritical at the fuel pump and when injector overlap is not present.

Abstract: A soot accumulation computing and displaying device, including: a first calculating part that is configured to calculate a first inferred value of a present accumulation amount of the soot, based on a main fuel injection amount and a post fuel injection amount; a second calculating part that is configured to calculate a second inferred value of a present accumulation amount of the soot, based on a driving time of the internal-combustion engine, which is estimated to a present time from a starting time of a latest regeneration processing of the filter among regeneration processings of the filter conducted in past; a determining part that is configured to determine a maximum inferred value among the first and second inferred values; and a displaying part that is configured to perform displaying with regards to the maximum inferred value determined by the determining part.

Abstract: An assembly method is provided by orienting a cylinder-head at a first orientation. A first plurality of spring caps and a first plurality of retainer keys are installed into the cylinder-head in the first orientation by a first robot. A first plurality of valves is installed into the cylinder-head in the first orientation by a second robot, into engagement with the first plurality of retainer keys. An end effector is provided with an actuator supported upon an adapter plate. A shaft extends from the actuator with a mating surface to engage a spring cap. Porting is provided through the shaft to convey pressurized air upon a plurality of retainer keys within the spring cap. A plurality of gripper fingers extend from the distal end of the shaft to grip a valve spring while retaining a spring cap between the valve spring and the mating surface of the shaft.

Abstract: In accordance with one aspect of the disclosure, a stream diverter for a gas turbine engine is disclosed. The stream diverter may include a first air duct, a second air duct, a third air duct, and a door operatively associated with the second and third air ducts of the gas turbine engine. The door may have at least an open position allowing air from the second air duct to flow into the third air duct and a closed position preventing air from flowing between the ducts.

Abstract: A system for combusting volatile vapors includes: a carburetor having intake valves for receiving fuel from a fuel source, an from an external an intake, and volatile vapors from a vapor source, the carburetor configured to discharge a combustion mixture into a combustion engine; a plurality of sensors configured to generate sensor data based on a respective plurality of physical properties associated with the carburetor and the combustion engine; a programmable controller configured to receive the sensor data as input from each of the plurality of sensors and to control the intake valves to regulate respective ratios of the fuel, air, and the volatile vapors drawn through the carburetor in response to the received sensor data; and a display operatively coupled to the programmable controller to display at least a real-time portion of the sensor data.

Abstract: A control device for calculating a steady target value that is a target value of a supercharging pressure during steady operation on the basis of an engine rotation speed and a fuel injection amount in a turbocharged diesel engine. The control device operates the actuator through feedback control such that an actual supercharging pressure calculated from a signal of a supercharging pressure sensor follows the steady target value.

Abstract: A valve device includes a valve, an actuator actuating the valve, a control unit controlling an opening degree of the valve, a return spring biasing the valve only in a valve-closing direction, and a mechanical stopper controlling a rotating limit of the valve in the valve-closing direction. The valve is defined to rotate on a plus side from the full-close position in a valve-opening direction and to rotate on a minus side from the full-close position in a direction opposite from the valve-opening direction. The mechanical stopper stops the valve at a stopper position which is set on the minus side from the full-close position, and a predetermined overshoot range is defined between the full-close position and the stopper position.

Abstract: An actuator unit for injecting fuel into a combustion chamber of an internal combustion engine includes an electrically conductive excitation winding, a ferromagnetic circuit having a ferromagnetic return, and a moveable armature. The armature is held in an idle position by a holding force of a spring element. A current flowing through the excitation winding produces (a) a magnetic holding force acting on the armature in the same direction as the spring holding force provided by the spring element, and (b) a magnetic motive force acting on the armature in the opposite direction as the magnetic holding force and spring holding force. The armature can be moved to a working position in which the armature adjoins the ferromagnetic return by increasing the current through the excitation winding above a predetermined value that results in the magnetic motive force exceeding the magnetic holding force combined with the spring holding force.

Abstract: A system for controlling fuel supply of a diesel engine, may include a fuel pump controller configured to set a fuel supply target pressure supplied from a low-pressure fuel pump to a high-pressure pump in proportion to a quantity of fuel consumed by an injector, and a fuel pressure measurement sensor configured to measure a current fuel supply pressure supplied from the low-pressure fuel pump to the high-pressure pump, wherein revolutions per minute (RPM) of a motor for feeding fuel of the low-pressure fuel pump may be variably adjusted in accordance with the fuel supply target pressure.

Abstract: A plunger of a fuel pump is disclosed. The plunger may have a cylindrical base configured for axial movement and rotation within a pump barrel. The plunger may also have a fuel amount controlling end. The fuel amount controlling end may have a recessed surface region. The fuel amount controlling end may also have a sealing surface region. Further, the fuel amount controlling end may have a control interface connecting the recessed surface region with the sealing surface section in a radial direction. The transition from the recessed surface region to the control interface may be curved.

Abstract: An idling stop control device of the invention acquires an index (SOCx) indicating a magnitude of a remaining charged electric power amount of a battery (41), restarts an operation of an engine (25) by operating a starter (43) when the index becomes smaller than a predetermined restart threshold (SOCstart) while an automatic stop of the operation of the engine has been carried out, and changes the threshold from a first threshold (SOC1) to a second threshold (SOC2) when an operation of an electric actuator (31) is started while the automatic stop has been carried out. The first threshold is a threshold set immediately before the operation of the actuator is started and the second threshold is smaller than the first threshold.

Abstract: A control system for vehicles equipped with an engine and an automatic transmission mechanism which has a non-running position and a running position one of which is selected by a driver of the vehicle and works to automatically change a speed of an output thereof. The control system basically inhibits the engine from being automatically stopped on an uphill road in order to minimize the rolling back of the vehicle upon start of the vehicle, but is responsive to the driver's intention to permit the engine to be automatically stopped, that is, the switching from the running position to the non-running position to stop the engine.

Abstract: An engine starting apparatus includes a starter and a starter control unit configured to control driving of the starter. The starter control unit operates a motor with a pinion engaged with a ring gear to thereby crank an engine, and de-engage the pinion from the ring gear or de-energize the motor to thereby terminate the cranking of the engine. A cranking time from when cranking of the engine is initiated to when a predetermined engine speed equal to or greater than 450 rpm is reached is equal to or less than an acceptable limit of cranking time that does not provide, to a user of a vehicle, noticeable discomfort caused by cranking noise generated during the cranking of the engine.

Abstract: The present disclosure provides an apparatus for controlling an engine of a vehicle and a method thereof, and more particularly, provides an apparatus for controlling an engine of a vehicle and a method thereof capable of preventing damage on catalyst occurring upon controlling engine torque by controlling the engine torque based on an accumulated time of a torque decrease request from an ESC system or a TCS while monitoring temperature of the catalyst.

Abstract: Systems and methods for improving transmission gear shifting of a hybrid vehicle are presented. The systems and methods may allow transmission input shaft torque to be lowered to levels where driveline torque disturbances may be reduced even though the driveline has a larger inertia. In one example, driveline torque may be reduced via retarding spark timing.

Abstract: It is configured such that plasma generated at a time of ignition should diffuse over an entire combustion chamber in a spark ignition type internal combustion engine in order to improve fuel efficiency. An ignition device for a spark ignition type internal combustion engine is provided including an ignition plug and a transmission antenna provided in the vicinity of the ignition plug and adapted to transmit an electromagnetic wave to a combustion chamber. The ignition device allows a spark discharge generated between a central electrode and a ground electrode of the ignition plug to react with an electric field created via the transmission antenna in the combustion chamber so as to generate plasma and ignite fuel air mixture. A receiving antenna is arranged on a combustion chamber-facing surface of at least one of an intake valve and an exhaust valve, and is adapted to receive the electromagnetic wave transmitted from the transmission antenna.

Abstract: The invention relates to a Francis runner (200) for a hydraulic machine, comprising: a wheel (1), which is rotationally symmetrical about an axis of rotation (Z) of the runner (200); a crown (12); and a plurality of inwardly curved vanes (21), each of which has a peripheral edge (212). The peripheral edge (212) of at least one of the vanes is curved, the concavity thereof facing toward the outside of the runner (200). The maximum value of the distance measured between any point on the peripheral edge (202) and a straight line passing through a first connection point between the peripheral edge (212) and the wheel (1), and through a second connection point between the peripheral edge (212) and the crown (12), is at an intermediate point on the peripheral edge (212). The radius (Rn) from the intermediate point (N) is strictly smaller than the radius (Ra) from the first connection point (A).

Abstract: An in-pipe turbine has uses in energy storage and circulation. Specific applications are in storage systems working by elevation, smart grid systems, pressure release, and heating/cooling systems. Storage and release of electrical energy are important parts of an electrical grid. A system for storage using particulates is presented. On a higher level, a water system can interact with an electrical grid in order to use and provide electricity and convey water in a more efficient manner. The connection of a smart water and smart electrical grid, which may include the use of an in-pipe hydroelectric turbine, is presented.

Abstract: A sea wave power generation device includes: a motion bar, a platform, a platform-supporting upper upright post for supporting the platform, a platform-supporting lower upright post, a hydraulic lift post, a flywheel set for connecting power generation equipment, and a platform lift control device, wherein sea wave pushes floating ball to drive the motion bar to move upwards, a rack section of the motion bar drives a first flywheel on first side to rotate, which drives a generator to generate power through a spindle; wherein after the sea wave, the floating ball drives the motion bar to move downwards under action of gravity. The rack section of the motion bar drives a second flywheel on second side to rotate, which drives the generator to generate power through the spindle, in such a manner that continuous power generation is achieved.

Abstract: A wave energy transformation device including an array of members connected together to form a structure having a substantially hexagonal geometry, the array has link members, nodes and absorbers and the relative motion of at least some of the members of the array, as caused by the energy of wave motion in a medium to which the array is coupled is convertible to another form of energy. The device is suitable for generating electrical energy from sea waves.

Abstract: An apparatus for performing a supporting and/or a lifting operation to a wind turbine component inside the wind turbine nacelle is provided. The apparatus comprises at least a tool which comprises a manually operated linear actuator and a mounting device of said linear actuator in an element of the nacelle frame so that said linear actuator can be duly located with respect to the wind turbine component for performing said supporting and/or lifting operation.

Abstract: The invention is directed to a rotor blade assembly for a wind turbine designed to mitigate pitch bearing loads. The rotor blade assembly includes a rotor blade, a pitch bearing, and at least one shim plate. The rotor blade includes a body extending between a blade root and a blade tip. The pitch bearing includes an outer race, an inner race, and a plurality of roller elements between the outer race and the inner race. As such, the inner race is rotatable relative to the outer race. The at least one shim plate may be configured between the inner race and the blade root or between the outer race and a hub of the wind turbine so as to mitigate loads experienced by the pitch bearing.

Abstract: A wind turbine control method is described comprising the detection of the presence of an anomaly in the aerodynamic profile of the blades and operation of the wind turbine in accordance not only with the determination of said anomaly, but also taking into account the characteristics thereof.

Abstract: Wind turbine auxiliary drive system comprising a motor, a drive pinion, a bearing and a lubrication system, the bearing comprising an outer bearing ring, an inner bearing ring and, between these two bearing rings, one or more rows of rolling elements which allow both bearing rings to rotate relative to each other, the inner bearing ring having an inner side comprising a gear which meshes with the drive pinion, wherein a height of the gear in an axial direction is smaller than the height of the inner bearing ring such that a gearless portion is defined, and wherein at least one lubricant inlet and/or at least one lubricant outlet is arranged on said gearless portion.

Abstract: A system for packaging electronic components in a rotatable shaft includes an annular carrier shaft having a first end that is axially spaced from a second end and an inner surface that is radially spaced from an outer surface, and a plurality of transmitter assemblies annularly arranged within the carrier shaft. Each transmitter assembly includes a transmitter housing radially supported within the carrier shaft via a pair of circumferentially spaced rail members. Each transmitter assembly comprises a daughter board that extends laterally and longitudinally across a bottom portion of the transmitter housing and at least one electronic component electrically coupled to the daughter board. The electronic component extends substantially perpendicular to the daughter board within the transmitter housing.

Abstract: A method for alleviating rotor asymmetric loads in a variable-speed wind turbine having pitch and torque control means comprising the following steps: providing a control law that determines the pitch to be applied individually to each wind turbine blade for counteracting rotor asymmetric loads (such as wind shear, upflow, yaw misalignment) using wind speed and wind direction measurements at the wind turbine, values of the wind features that cause rotor asymmetric loads and configuration parameters of the wind turbine (whether real-time values or statistical values at the wind turbine site), said pitch to be added to the collective pitch ?0; implementing said control law in the wind turbine control means. The invention also refers to a wind turbine control system arranged for implementing said method.

Abstract: The invention relates to a blade bearing or nacelle bearing of a wind turbine, comprising two rings mounted adjacent to each other and rotatable relative to each other for connection on one side to the hub of the wind turbine and on the other side to a blade of same, or for connection on one side to the tower of the wind turbine and on the other side to the nacelle of same, wherein the two rings rotatable relative to one another are each provided with a circumferential internal toothing or are non-rotatably coupled for the purpose of joint toothed engagement by one or more toothed planetary gears running around a central sun gear, the planetary gears in turn meshing with the toothed sun gear.

Abstract: The invention provides a method and system of detecting ice or other foreign matter on a wind turbine blade or damage to a wind turbine blade. The method in one aspect comprises: measuring twisting torque on the blade about its longitudinal axis to provide a detected torque signal; comparing a value based on the detected torque signal with a comparison value, the comparison value derived from one or more measured parameters having a predetermined relationship with the twisting torque about the longitudinal axis of the blade when the blade is operating under normal operating conditions; and determining that ice or other foreign matter is on the blade or that the blade is damaged if the value based on the detected torque signal differs from the comparison value by more than a predetermined amount. Wind turbine blades are designed such that any change in the shape of the blade reduces twisting torque on the blades significantly.

Abstract: The present invention relates to a floatable transportation and installation structure for transportation and installation of an essentially fully assembled and erected floating wind turbine, wherein said transportation and installation structure is comprising securing means for detachably and temporarily securing the floatable transportation and installation structure to the erected floating wind turbine in such a way that the floating wind turbine is stabilized and can be moved by moving the transportation and installation structure. Further, the invention relates to a floating wind turbine comprising securing counter means connectable to securing means of a floatable transportation and installation structure according to the before mentioned kind and to a method of transportation and installation of such a floating wind turbine.

Abstract: A torque support is disclosed for transmitting a supporting force of a gear mechanism of a wind power plant to a carrying mechanism. The torque support has a connection piece, the abutment surfaces of which, which are subjected to the supporting force, are arranged in a manner substantially perpendicular to the supporting force.

Abstract: A variable displacement swash plate type compressor includes a rotary shaft, a tiltable swash plate, a movable body that is coupled to the swash plate and changes the inclination angle of the swash plate, a link mechanism that permits the inclination angle of the swash plate to be changed, a first support portion provided to the movable body, a second support portion provided to the swash plate, and a first coupling member that couples the first and second support portions to each other. The second support portion is pivotally supported by the first coupling member. The swash plate has top and bottom dead center associated parts for positioning each piston at top and bottom dead centers, respectively. The top and bottom dead center associated parts are arranged with the rotary shaft in between. The second support portion is arranged between the top and bottom dead center associated parts.

Abstract: A magnetically driven micropump for handling small fluid volumes. The micropump includes a first chamber and a second chamber. A flexible membrane being disposed between the first and second chambers. The flexible membrane being magnetically coupled to an actuator for displacing the membrane.

Abstract: A pump producing peristaltic pumping action by sequentially occluding a tube between staggered curved surfaces. The pump includes a pump frame with a platen with a plurality of curved surfaces. The curved surfaces of the platen operatively interact with opposing curved surfaces on a pressure plate assembly or the like. Pumping is accomplished via a tube sandwiched between the platen and the pressure plate assembly.

Abstract: In order to highly precisely adjust a gap between a bearing and a gear rotor by a simple configuration, a gear pump of the present invention includes: a casing that includes an inlet and an outlet; a pair of gear rotors each of which is formed by integrating a gear portion with a shaft portion and which is disposed so as to engage with each other inside the casing; a bearing portion that supports the shaft portion so that the gear rotor is rotatable, the bearing portion being movable in the thrust direction of the gear rotor; and a gap adjustment unit that moves the bearing portion in the thrust direction so as to adjust a gap between the gear rotor and the bearing portion.

Abstract: A scroll compressor is provided. The scroll compressor may include a case; a fixed scroll installed in the case; a wrap portion configured to form a compression chamber by being engaged with the fixed scroll; a base portion coupled to the wrap portion so as to be movable with the fixed scroll but not rotate in a circumferential direction; a drive motor coupled to a rear surface of the base portion, and configured to eccentrically rotate the base portion and the wrap portion; and a main frame installed in the case, and configured to support the base portion. A back pressure chamber that communicates with the compression chamber may be formed between the wrap portion and the base portion where a pressure of the back pressure chamber corresponds to a discharge pressure or an intermediate pressure between the suction pressure and the discharge pressure.

Abstract: There is provided a vehicular electric compressor capable of discharging electric charges of a capacitor surely and quickly in the event of an impact. The vehicular electric compressor includes: a compressing unit; an electric motor for rotating the compressing unit; and a driving circuit for driving the electric motor. The driving circuit includes: a capacitor; a circuit board provided with an electrically discharging circuit for discharging electric charges accumulated in the capacitor; and a positive electrode interconnection and a negative electrode interconnection configured to electrically connect the capacitor and the circuit board to each other.

Abstract: A compressor flange for connecting a screw-type compressor to a drive, wherein the compressor flange has a central opening for receiving a shaft and/or a bearing and a first annular bearing face for bearing on a housing of the compressor and a second annular bearing face for bearing on a housing of the drive. The compressor flange also has axially and/or radially effective seals for forming a seal with respect to the compressor housing and/or the shaft, with the result that an open compressor housing can be closed off and sealed by insertion of the compressor flange. The device relates to a screw-type compressor with such a compressor flange.

Abstract: A system (20) has a first compressor (22) and a second compressor (52). A heat rejection heat exchanger (30) is coupled to the first and second compressors to receive refrigerant compressed by the compressors. The system includes an economizer for receiving refrigerant from the heat rejection heat exchanger and reducing an enthalpy of a first portion of the received refrigerant while increasing an enthalpy of a second portion. The second portion is returned to the compressor. The ejector (66) has a primary inlet (70) coupled to the means to receive a first flow of the reduced enthalpy refrigerant. The ejector has a secondary inlet (72) and an outlet (74). The outlet is coupled to the first compressor to return refrigerant to the first compressor. A first heat absorption heat exchanger (80) is coupled to the economizer to receive a second flow of the reduced enthalpy refrigerant and is upstream of the secondary inlet of the ejector.

Abstract: An apparatus and method for closed-loop-control of a fluid conveying system that include at least one pump, at least one consumer, at least one controller valve, and at least one armature as an actuator of the at least one control valve. Pressure and volume flow rate of the consumer are controlled independently of each other by a decoupling controller.

Abstract: A self-protecting valve assembly for use in conjunction with a sump pump test and monitoring system having a test control module which generates a valve control signal for opening the valve to initiate a test cycle. The valve assembly includes an electrically-actuated valve which is responsive only to a valve-actuating signal and not to the valve control signal. A conversion circuit in the valve assembly converts the valve control signal to a valve actuating signal to actuate the valve. This protects the valve from receiving a false actuating signal in the event of a failure in the test control module.