Abstract: A filter cover structure of a drawer-type air cleaner is provided. The structure includes a main body in which an air filter reception part is formed and a filter cover provided to open or close the air filter reception part. The filter cover includes a lever configured to be locked to or released from a filter cover fastening part of the air filter reception part by rotating the lever around a rotating shaft.

Abstract: An intake pipe includes a cylindrical pipe main body, a flange, which is provided on an end of the pipe main body in an axial direction and protrudes radially outward about an axis of the pipe main body from an outer surface of the pipe main body, and a chamber forming portion, which is located outside of the pipe main body and defines a chamber. The chamber forming portion is provided to connect the outer surface of the pipe main body and the flange to each other and is integrated with the pipe main body and the flange.

Abstract: In an intake device, an upper fuel injection device that injects a fuel and a suction port that suctions the air-fuel mixture supplied to a cylinder head are disposed in the air cleaner. The intake device includes the air cleaner including an air cleaner case and a sidewall filter that purifies an air suctioned into the air cleaner case. The sidewall filter partitions a space in the air cleaner case in a vehicle width direction, and has at least partially overlapping with the upper fuel injection device in the vehicle width direction.

Abstract: An end cap for a filter element may include an element receiver configured to be coupled to a tubular member, and a base passage receiver in flow communication with the element receiver. The end cap may further include an end cap barrier extending outward from the base passage receiver, the end cap barrier including a first side configured to face a filter base. The end cap may also include end cap flow passages configured to provide flow communication between filter media and a filter base, and including a passage opening spaced a first distance from the first side. The end cap may further include a barrier edge and a peripheral seal, wherein an uppermost surface of the peripheral seal terminates a second distance from the first side of the end cap barrier, wherein the first distance is greater than the second distance.

Abstract: In starting of an internal combustion engine, among a plurality of combustions of the internal combustion engine when it is assumed that an ignition timing is set to a predetermined reference ignition timing, a preceding ignition timing, which is the ignition timing for a preceding combustion through which a peak of a rotation speed of the internal combustion engine is likely to enter a predetermined resonance rotation speed range where resonance of the conveyance dependent on vibration of the internal combustion engine is induced, is set further on a delay angle side than the reference ignition timing, and a later ignition timing, which is the ignition timing for a later combustion after the preceding combustion, is set further on an advance angle side than the set preceding ignition timing so that the peak of the rotation speed of the internal combustion engine exceeds the resonance rotation speed range.

Abstract: A wave power generator comprising a chain drive arrangement. The wave power generator comprising a float connected to one end of a retractable chain and a retractable device connected to an opposite end of the retractable chain.

Abstract: A rotary hydraulic machine with radial pistons comprising: a rotating shaft (2); a cylinder-housing body (3), having a plurality of housing seatings (4) arranged radially at equal distances from the rotation axis (R) of the rotating shaft (2); a cylinder (5) housed in each of said plurality of housing seatings (4) and rotating relative to the same around an axis (C) concentric with said rotation axis (R) of the rotating shaft (2); a piston (6) slidable in each cylinder (5) and coupled to a crank (7) of the rotating shaft (2); a supply conduit (12), for each cylinder (5), provided with a seal (120) arranged to enable a sealed connection between the supply conduit (12) and the respective cylinder (5).

Abstract: A multi-rotor, multi-axis wind turbine where the rotors are in relative motion to one another to maximize the energy captured and thus generated, where there is a primary rotor axis and direction and one or more secondary rotor axes, where each rotor rotates about a different axis, and the rotors can operate in either a horizontal or vertical axis orientation or some orientation in between, and there are at least two rotor axes operating in different directions such that the relative motion of the primary rotor drives at least one secondary rotor into the surrounding air increasing the relative net vector velocity of the secondary rotor with respect to the wind velocity and surrounding air which increases the amount of energy captured at a given location for a given wind velocity over the prior art.

Abstract: Aspects of the present disclosure are generally directed to configurations of power conversion systems for wind turbine generators. For example, certain aspects are directed to a multi-rotor wind turbine. The multi-rotor wind turbine generally includes a plurality of rotors, each coupled to a plurality of electrical generators, one or more machine-side converters, MSCs, coupled to the electrical generators of each of the plurality of rotors and configured to generate at least one direct-current, DC, signal, and one or more line-side converters, LSCs, coupled to the MSCs and configured to generate at least one AC signal based on the at least one DC signal.

Abstract: A wind turbine blade comprises an external skin comprising tensioned fabric supported along a majority of the length of the wind turbine blade by two or more elongate fabric supporting members. The external skin is connected to each of the two or more elongate fabric supporting members.

Abstract: A spar cap for a rotor blade of a wind power installation, having a longitudinal extent from a first end to a second end, a transverse extent orthogonal to the longitudinal extent, and a thickness orthogonal to the longitudinal extent and to the transverse extent. A method for producing a spar cap as mentioned at the outset.

Abstract: A method for determining an equivalent wind speed of a rotor blade plane of a wind power installation is provided. The wind power installation has a rotor with rotor blades that have adjustable blade angle. The method includes determining an electric internal power available in the wind power installation depending on a captured electric power and a captured rotational speed of the rotor. The method includes determining the equivalent wind speed depending on the determined available internal power and the captured rotational speed.

Abstract: A method of operating a wind turbine having a rotor. Sensor data is received from one or more sensors of the wind turbine and maximum load values are obtained on the basis of the sensor data. The maximum load values are indicative of maximum loads acting on a component of the wind turbine such as a rotor blade. An estimated extreme load value, such as a 50-year return load, is obtained on the basis of the maximum load values and compared with a reference value. A maximum thrust limit is set on the basis of the comparison, and the wind turbine is operated in accordance with the maximum thrust limit so that a wind thrust force acting on the rotor does not exceed the maximum thrust limit.

Abstract: The invention relates to a method for controlling a wind turbine configured with an on load tap changer transformer which enables adjustment of a current ratio of a primary side current of the transformer and a secondary side current of the transformer. The method comprises detecting that a network voltage on the primary side or secondary side of the transformer is outside a pre-determined voltage range, and in response determining a current reference for the primary side current based on the detected network voltage. The power converter of the wind turbine is controlled to generate an increase of the primary side current towards the current reference, and the current ratio of the transformer is adjusted towards a higher ratio of the current ratio.

Abstract: The invention relates to a method for dismantling a wind turbine and erecting a wind energy generating system, wherein the wind turbine comprises a tower placed on a foundation on a wind turbine site and a nacelle with a rotor mounted on the tower. The method comprises the steps of removing the rotor from the wind turbine, mounting an airborne wind energy system for generating electrical power on a part of the remaining wind turbine via a cable, and electrically connecting the airborne wind energy system to a power grid via a power transmission line.

Abstract: A method for testing capacity of at least one energy storage device of a pitch drive mechanism to drive a first rotor blade of a wind turbine connected to a power grid includes defining a rotor position range for implementing a first test procedure for the energy storage device(s). Further, the method includes monitoring a rotor position of the first rotor blade. When the rotor position of the first rotor blade enters the rotor position range, the method includes initiating the first test procedure. The first test procedure includes pitching the first rotor blade via the energy storage device(s), measuring at least one operating condition of the energy storage device(s) during pitching, and determining a capacity of the energy storage device(s) to drive the first rotor blade based on the operating condition(s) thereof.

Abstract: A method of estimating the energy production of a wind turbine or group of wind turbines is described. The method comprises obtaining, from a climate library, climate data in respect of a selected geographical location, the climate data comprising wind speed and direction at the selected geographical location, generating a plurality of power curves, each power curve defining a power output of a wind turbine as a function of wind speed for a particular climatic condition or range of climatic conditions, and estimating an energy production for the wind turbine or group of wind turbines using the generated power curves and wind speed data.

Abstract: A system for extracting work from the expansion of a working fluid includes a vessel having at least a portion of the working fluid, a heating device in thermal communication with the portion of the working fluid in the vessel for heating the portion of the working fluid in the vessel and expanding the working fluid, and a conversion tool. The conversion tool is in fluid communication with the vessel and is configured to receive working fluid from the vessel when the working fluid expands. The conversion tool is further configured to extract work from the expanded working fluid.

Abstract: The present disclosure relates to techniques for extracting heat energy from geothermal briny fluid. A briny fluid can be extracted from a geothermal production well and delivered to a heat exchanger. The heat exchanger can receive the briny fluid and transfer heat energy from the briny fluid to a molten salt. The molten salt can be pumped to a molten salt storage tank that can serve as energy storage. The briny fluid can be returned to a geothermal source via the production well. The briny fluid can remain in a closed-loop system, apart from the molten salt, from extraction through return to the geothermal production well.

Abstract: A displacement adjusting device of a swash plate pump includes: a tilting piston slidably inserted in a housing's accommodating hole, the tilting piston pressing the swash plate pump's swash plate; a sleeve forming a control pressure chamber between the sleeve and tilting piston, the sleeve including a pump port, tank port, and output port; a spool slidably held by the sleeve, the spool switching whether to bring output port into communication with one of the pump port and tank port or block the output port from the pump and tank port; a tilting spring urging the tilting piston and spool away from each other; and a solenoid including a rod that presses the spool from an opposite side to tilting spring. In the sleeve, reaction force chamber and communication passage are formed. The communication passage being a passage through which the control pressure chamber communicates with reaction force chamber.

Abstract: A piston pump for feeding a liquid in a vehicle having at least one piston, which is configured to cyclically slide inside a housing between a top dead centre and a bottom dead centre. The liquid is usually fed along a main feeding direction from a suction duct to a delivery duct. The piston pump has two solenoid valves, which are each arranged in the suction duct and in the delivery duct, respectively, and are designed to be operated by an electronic control unit so as to reverse the liquid feeding direction from the main feeding direction to a secondary feeding direction opposite the main liquid feeding direction and/or so as to adjust the cylinder capacity of the piston pump. The piston is operated by an electromechanical actuator, in particular comprising an electromagnet.

Abstract: A motor operated compressor includes a drive motor and a rotary shaft coupled to the rotor. A first scroll disposed on one side of the drive motor is eccentrically coupled to and orbitally moved by the rotary shaft. A second scroll faces the first scroll and is coupled to the first scroll to form a compression chamber. A hollow portion is formed inside the rotary shaft along an axial direction, and an eccentric portion having a rotary shaft side discharge hole extends from the rotary shaft center to a rotary shaft outer circumferential surface. The first scroll includes a rotary shaft coupling portion surrounding an outer circumferential surface of the eccentric portion. The rotary shaft coupling portion is provided with a first scroll side discharge hole formed at a position periodically facing the rotary shaft side discharge hole to discharge compressed fluid to the rotary shaft side discharge hole.

Abstract: A mobile power supply device and method for energizing a sump pump in a sump pit during a power outage, and a mobile power supply device and method for energizing a sump pump secured to a bottom portion of the device. The device includes an enclosure similar to a dolly that is manufactured from plastic or similar non-electrically conductive material to minimize weight to enable the manual lifting and pulling of the mobile power supply device, and to promote safety by reducing the chance of an electrical short circuit when supplying electrical power to a sump pump. The enclosure includes a carrying handle and a relatively large dolly handle that cooperate with castors attached to a bottom portion or bottom surface of the enclosure. The castors promote manual movement of the device upon a substantially horizontal surface or up and/or down stairs leading to a sump pump in a sump pump well or pit in a basement.

Abstract: A structure of fixing a bearing of an air compressor, the air compressor contains: a base, a cylinder, and a transmission mechanism. The base includes multiple positioning orifices, and one of the multiple positioning orifices accommodates a bearing. The cylinder is integrally connected with the base and includes an air storage chamber. The transmission mechanism actuates a piston to move in the cylinder reciprocatingly, thus producing compressed air. The first ring of the bearing is non-circular, and a shape of the one positioning orifice of the base corresponds to the first ring so as to avoid an idle rotation of the bearing in the one positioning orifice of the base or a removal of the bearing from the second positioning orifice.

Abstract: A diaphragm pump for pneumatic high-pressure delivery of 1 to 10 MPa of fluidised dusts, in which filling occurs from below via pneumatic suction by hydraulic reciprocating movement of the diaphragm and also by applying a negative pressure. The dust is held in a loosened fluidised state over the entire pump operation, wherein the high-pressure gas requirement is low. A drive of the diaphragm pump by a hydraulic pressure intensifier and multiple diaphragm pumps are operated in a phase-displaced manner with respect to each other. A dust delivery system which uses the diaphragm pump is operated with a low drive power.

Abstract: A pressure washing device is provided with a bypass mode. The device comprises a bypass mode and bypass structure that is in fluid communication with a fluid tank for at least one of storing and cooling a fluid that has been heated to unacceptable levels. The present disclosure further provides various devices and features for managing and mitigating heating and over-heating of fluids and components in communication with the fluids.

Abstract: In order to improve a refrigerant compressor, including a compressor unit having a compressor housing and at least one compressor element that is arranged in the compressor housing, for compressing refrigerant, and further including a drive unit having a drive housing and an electric motor that is arranged in the drive housing and connector terminals that are arranged on the drive housing, for the electric motor, and further including an electronic functional unit, such that the connection between the refrigerant compressor and the electronic functional unit is achievable as simply as possible, it is proposed that the connector terminals should be provided in a housing that is arranged on the drive housing, and that an electronic functional unit which performs at least one compressor function should be provided in the housing.

Abstract: An analysis system may determine a discharge pressure or a suction pressure using a single measurement sensor coupled to a computing device. The measurement sensor may include a pressure sensor or a strain sensor. In some aspects, the pressure sensor may generate a pressure signal representing the total pressure in a chamber of the pressure pump. The computing device may apply an envelope filter to the pressure signal to determine the discharge or suction pressure in the chamber from the pressure signal. In other aspects, the strain sensor may generate a strain signal representing the strain in the chamber. The computing device may determine the discharge or suction portions of the strain signal and may correlate the portions with a predetermined internal pressure for the pressure pump to determine the discharge or suction pressure in the chamber.

Abstract: An irrigation system broadly comprising a number of irrigation spans, an end gun, an end gun booster pump assembly having a booster pump and a booster pump motor, and a control system including a system controller and a variable frequency drive (VFD) for controlling the end gun pump motor. The system controller determines a desired end gun throw magnitude according to sensor inputs, irrigation system location information, user inputs, and/or other data and sends to the VFD a signal representative of an instruction to increase or decrease an electrical motor input for the booster pump motor. The VFD effects a booster pump motor speed via the electrical motor input so that the booster pump steps up water pressure to the end gun according to the desired end gun throw magnitude.

Abstract: A pneumatic timing valve includes a spool and seal system having a first seal cartridge and a spool. The first seal cartridge has an annular body with radial ports. The spool is positioned within the first seal cartridge and movable between a first and second position. The spool has a central bore and radial ports that intersect the central bore. The radial ports of the spool complement the radial ports of the seal cartridge. The seal cartridge radial ports, the spool radial ports, and the central bore of the spool define fluid flow passages.

Abstract: A fluid pump includes a pump element in communication with an inlet and an outlet. Rotation of the pump element generates a suction at the inlet and pressure at the outlet. The suction and pressure cooperate to move a fluid through a fluid path. An accessory fluid path is in communication with the inlet and outlet. The accessory fluid path includes a thermistor in communication with the accessory fluid path. The thermistor monitors a temperature of the fluid within the accessory fluid path.

Abstract: A stator assembly for a progressive cavity pump or a progressive cavity motor includes connectors for connecting functional elements and at least one stator, the stator including an outer pipe as well as a lining subject to wear which is disposed inside the outer pipe, the at least one stator being disposed between the connectors such that a cavity extending across the entire stator assembly for housing a rotor is created. Between at least one of the connectors and at least one stator adjacent thereto and/or between adjacent stators an adhesion region is provided, whereby in the adhesion region an adhesive is disposed in such a way that between the at least one connector and the at least one stator adjacent thereto and/or between said respectively adjacent stators a substance-to-substance connection is created.

Abstract: A circuit assembly for a submersible pump and a submersible pump using the same is disclosed. The circuit assembly comprises: a signal generating circuit, which is configured to access a DC signal, and invert the DC signal into an AC signal having a frequency range of 40 Hz-200 Hz and then output the AC signal; and a driving circuit, which has an input terminal connected to the signal generating circuit and an output terminal connected to a stator coil of the submersible pump, and is configured to receive the AC signal and drive the stator coil to work. The submersible pump can directly access DC power supply, which is very convenient for the user; and further, a water shortage detecting circuit can be preferably configured to trigger the signal generating circuit to control the driving circuit stopping driving the stator coil when the liquid level is too low.

Abstract: Some embodiments of an apparatus and system are described for a crossflow blower. An apparatus may comprise an enclosure having a first side and a second side where a portion of the first side is recessed in a direction of the second side. The enclosure may also comprise a first internal height between the first side and the second side and a second internal height between the recessed portion of the first side and the second side. The enclosure may also comprise a motor and a crossflow blower arranged to generate a flow of air between the first side and the second side in a direction substantially perpendicular to an axis of rotation of the crossflow blower. Other embodiments are described.

Abstract: The expandable hand-held fan having noise making means integrated thereon comprises a fan that when folded shut resembles a miniature baseball bat. Upon extending the fan, advertising indicia is printed thereon, and may be associated with sports team, logo, etc. The fan includes noise making means upon the fan, and produces noise upon movement of air across the noise making member.

Abstract: A blowing device is provided. The blowing device includes a first blowing unit that suctions air from above and discharges the air downward, and a second blowing unit disposed below the first blowing portion so as to suction air from below and to discharge the air upward. The blowing device is advantageous in that no matter what position the user is in, wind may be easily discharged to the user.

Abstract: A pre-cooler system employs a powered pre-cooler fan assembly having a fan adapted to receive bypass engine fan air through an inlet plenum with an outlet guide vane array (OGVA) adapted to control airflow from the inlet plenum and fan, with a rotational power source operationally connected to the fan. A shroud directs airflow from the inlet plenum, fan and OGVA into a pre-cooler disposed downstream of the fan and OGVA.

Abstract: A fan comprising a polyamide resin composition containing a polyamide resin, a plasticizer in an amount of 7 parts by mass or more and 35 parts by mass or less, and one or more components selected from the group consisting of plate-like fillers and acicular fillers in an amount of 15 parts by mass or more and 80 parts by mass or less, based on 100 parts by mass of the polyamide resin. The fan of the present invention can be suitably used in, for example, manufactured articles, such as audio equipment such as speakers, television, radio cassette recorders, headphones, audio components, or microphones, electric appliances, transportation vehicles, construction buildings, and industrial equipment, or parts thereof.

Abstract: A heat dissipation fan including a hub and a plurality of heat dissipation blades is provided. The heat dissipation blades are arranged around the periphery of the hub. Each of the heat dissipation blades includes a curved surface body and a flow guiding portion. The curved surface body has a pressure bearing surface and a negative pressing surface opposite to the pressure bearing surface. The flow guiding portion is connected to the curved surface body. The flow guiding portion has a concave surface and a convex surface opposite to the concave surface, wherein the concave surface is recessed in the pressure bearing surface and the convex surface protrudes outward from the negative pressing surface.

Abstract: A modular fan assembly includes a center hub assembly and a first blade attached to the center hub assembly. The center hub assembly includes a first plate and a second plate each having an outer edge and a planar capture surface. The planar capture surfaces of the second plate is arranged parallel to the planar capture surface of the first plate. The first blade includes a mounting pad and a working portion. The mounting pad has opposite, parallel planar surfaces positioned in contact with the respective planar capture surfaces of the first and second plates. The working portion extends beyond the outer edges of the first and second plates. A thickness of the first blade is smaller proximate the outer edge of the first plate than at the mounting pad to create a first gap between the first blade and the first plate at the outer edge.

Abstract: A gas turbine engine includes a combustor section, a compressor section, and a turbine section. A high pressure compressor is arranged upstream of the combustor section. A fan section has an array of twenty-six or fewer fan blades. A low pressure compressor is counter-rotating relative to the fan blades and downstream from the fan section. The airfoil outside of the compressor section is rotatable relative to an engine static structure. The airfoil includes pressure and suction sides extending from a 0% span position to a 100% span position. A relationship between a leading edge angle and span position that defines a curve with at least one of a decreasingly negative slope or a positive slope from 80% span to 100% span. The leading edge angle is defined by a tangential plane normal to an engine axis and a line tangent to a camber mean line at the leading edge.

Abstract: An improved plenum fan for use in air handling systems. The inlet cone is first in line in the direction of airflow. It is attached to the back plate, which is in between the fan wheel and the inlet cone. The fan wheel mates with the back plate through a non-contacting labyrinth seal. The wheel inlet and outlet are both cone-shaped so that the air channels between the fan blades are tilted towards the direction of airflow. The back plate is positioned behind inlet cone to permit a pressure sensor to be mounted on the inlet side of the back plate and to permit a fixed pressure tap to be connected on the inlet cone. Thus, a short conduit may be connected to the low side of the differential pressure gauge or sensor without passing through the fan back plate.

Abstract: A centrifugal fan that is light in weight and has a structure that restrains vibration are provided. The centrifugal fan includes a resin upper casing, a resin lower casing, an impeller, a motor, and a circuit board. The impeller, the motor and the circuit board are housed between the resin upper casing and the resin lower casing. Radial ribs and a concentric ribs for reinforcing are formed at a bottom surface of a concave part of the lower casing. Resin pins are provided in a standing manner at these rib parts, and the circuit board is fixed to the lower casing by the resin pins.

Abstract: A rotary component for a gas turbine engine defining a central axis extending along an axial direction, a radial direction extending perpendicular to the axial direction, and a circumferential direction perpendicular to both the central axis and the radial direction. The rotary component includes a plurality of rotor blades operably coupled to a rotating shaft extending along the central axis and an outer casing arranged exterior to the plurality of rotor blades in the radial direction and defining an annular gap between a tip of each of the plurality of rotor blades and the outer casing. The outer casing includes a plurality of features on an interior surface of the outer casing. A first feature of the feature(s) defines a first casing thickness, and a second feature positioned at least partially circumferentially or axially from the first feature defines a second casing thickness different than the first casing thickness.

Abstract: A cooling device includes a cooler disposed inside a shell, an inlet nozzle that is configured to feed a fluid into the shell, an outlet nozzle that is configured to feed the fluid passing through the cooler so as to flow outward, and a guide member that is configured to change a flowing direction of the fluid. The guide member has a collision surface which spreads in an inclined direction inclined with respect to the flowing direction of the fluid fed into the shell from the inlet nozzle, and which collides with the fluid, and an uneven portion formed in at least a portion of a peripheral edge portion of the collision surface.

Abstract: A blade is provided for a gas turbine engine. The blade includes an airfoil portion with at least one internal cavity and a damper located within the internal cavity. The damper includes a cantilever spring arm. A fan blade is provided for a gas turbine engine. The fan blade includes an airfoil portion with at least one internal cavity; and a damper located within the internal cavity. The damper includes a cantilever spring arm that terminates with a rub surface pad adjacent to a friction bridge between a concave pressure side and a convex suction side of the airfoil portion. A method is also provided for damping a blade of a gas turbine engine. The method includes deflecting a cantilever spring arm to contact a rub surface pad with a friction bridge between a concave pressure side and a convex suction side of an airfoil portion of the blade.

Abstract: An air filtering device with a replaceable microparticle filter element consists of a rotating blade member, an air filtering panel, a first set of vortex generators, a second set of vortex generators, a receiving channel, and a positioning aperture. The air filtering panel is secured in the positioning aperture that traverses through the rotating blade member. The rotating blade member consists of a fixed end, a free end, a structural body, a top surface, a bottom surface, a leading edge, and a trailing edge. The structural body extends in between the fixed end, the free end, the leading edge, and the trailing edge. Both the first and second set of vortex generators are mounted onto the top surface and along the leading edge for filtering efficiency purposes.

Abstract: An improved method and circuitry for fluid power applications that provides energy savings through the sequential recycling of normally exhausted pressure or vacuum by direct transfer and accumulation of exhaust pressure for additional use, including from one end of the actuator to the opposite end or within the actuator itself and for use by other devices in separate systems.

Abstract: The accumulator includes a housing having a sealing face and a fluid inlet/outlet passage; and a bellows fixed at one end to the housing such that an inner space of the housing is hermetically partitioned by the bellows into an interior and an exterior of the bellows. The bellows includes a bellows main body capable of expanding and contracting and a bellows cap provided with a sealing member covered with an elastic body that is opposed to and capable of being closely attached to the sealing face of the housing. The fluid inlet/outlet passage of the housing is closed upon a close attachment of the elastic body to the sealing face. The accumulator further includes a spacer placed between the housing and the bellows cap so as to surround the sealing member. The spacer has a communication passage providing communication between an inside and an outside of the spacer.

Abstract: An example valve includes a main stage, a pilot stage, and a solenoid actuator. The main stage includes a sleeve and a piston axially movable within the sleeve. The piston defines a cavity therein. The pilot stage includes a pilot pin received at, and axially movable in, the cavity of the piston, where the piston forms a pilot seat at which the pilot pin is seated when the valve is in a closed state. The solenoid actuator includes a solenoid coil, an armature, and a solenoid spring. The solenoid spring applies a biasing force in a distal direction on the pilot pin to seat the pilot pin at the pilot seat. Energizing the solenoid coil causes the armature to move in a proximal direction, thereby reducing the biasing force that the solenoid spring applies on the pilot pin.