Abstract: A method of controlling an electric oil pump (EOP) for a vehicle includes, if a current temperature of oil is lower than a reference temperature, determining whether an EOP RPM is lower than a minimum driving RPM, if the EOP RPM is lower than the minimum driving RPM, applying a first reduction rate for a first setting time and reducing a target line pressure and an instruction RPM of the EOP, if the EOP RPM is equal to or higher than the minimum driving RPM, determining whether vibration of the EOP RPM is generated above a reference vibration, and if the vibration is generated above the reference vibration, applying a second reduction rate for a second setting time and reducing the target line pressure or the instruction RPM of the EOP.

Abstract: A fire suppression apparatus for fighting fires from a vehicle configured for flight is disclosed, comprising a foam and water held in separate containers aboard the vehicle that when mixed forms a fire retardant, a pump driven by an electric motor to pressurize the fire retardant, the pump including an air induction valve where air is drawn into a suction end of the pump and pressurized together with the fire retardant, and an aimable boom connected to the pump by a conduit, the boom including a nozzle on a distal end of the boom from which the pressurized fire retardant and air is dispensed toward a target.

Abstract: A hydraulic pressure supply system of an automatic transmission includes: a first hydraulic pump forming a first hydraulic pressure from a hydraulic fluid stored in an oil pan; a second hydraulic pump pressurizing a received hydraulic pressure to a higher pressure, where the received hydraulic pressure may be received from the first hydraulic pump and from the oil pan; a regulator valve which is disposed at an upstream side of a low pressure portion and regulates hydraulic pressures supplied from the first and second hydraulic pumps so as to supply the regulated pressure to the low pressure portion; and a plurality of hydraulic lines that supplies the hydraulic pressure of the first hydraulic pump to the regulator valve and a high pressure portion and supplies the hydraulic pressure of the second hydraulic pump to the high pressure portion and the regulator valve.

Abstract: A laundry treating apparatus includes: a tub providing a space for storing water; a drum disposed in the tub in a rotatable manner to provide a space for storing clothing; a detergent box which is disposed outside the tub to provide a space for storing a detergent, and receives supply of water only from the tub; a tub through-hole passing through an inner circumferential surface of the tub; and a connection part having one side communicating with the tub through-hole and the other side communicating with the detergent box so that at least a portion of water moving in the direction of the inner circumferential surface of the tub due to a centrifugal force generated when the drum rotates is introduced into the detergent box, mixed with the detergent, and then discharged back to the inner circumferential surface of the tub again.

Abstract: A washing machine appliance includes a cabinet having a top panel and a wash tub positioned within the cabinet and defining a wash chamber for receipt of articles for washing. A bulk tank is positioned below the top panel and defines a reservoir for storing wash additive, the reservoir defining a primary outlet for supplying wash additive into the wash chamber. In addition, a dispensing device, which may include a manual pump, a gravity fed supply valve, or an electronic pump, is fluidly coupled to the reservoir and conveniently positioned for selectively dispensing wash additive, e.g., for pretreating an article of clothing.

Abstract: A wing (9) having a base section (11) and a tip section (13) pivotably connected to the base section (11) such that the tip section (13) is pivotable between a deployed position and a stowed position in which the spanwise length of the wing (9) is smaller than in the deployed position. The wing arrangement also has an actuating arrangement (19) including a linear hydraulic actuator (21) coupled between the base section (11) and the tip section (13) such that it is operable to selectively move the tip section (13) between the deployed position and the stowed position, a first and a second hydraulic connection portion (79a, 79b) connected to the linear hydraulic actuator (21) such that they are in fluid communication with different chamber sections (27a, 27b) of a cylinder (25) of the linear hydraulic actuator (21), and a first hydraulic subsystem (81a) and a second hydraulic subsystem (81b).

Abstract: A high pressure volumetric fluid metering device for controlling the flow of fluid from a high pressure fluid supply source to a process line includes a modulator configured to pump a predetermined volume of high pressure fluid at a predetermined flow rate and an oscillator in fluid communication with the high pressure fluid supply source. The oscillator is configured to selectively direct high pressure fluid from the high pressure fluid supply source toward the modulator and further configured to direct the predetermined volume of high pressure fluid pumped out of the modulator toward an oscillator outlet. The metering device further includes a differential pressure regulator configured to substantially maintain the pressure differential across the modulator and oscillator.

Abstract: A pump unit includes a pump housing having a valve assembly positioned on a wall thereof and adapted to be coupled to an inflatable device, and an air control assembly that is housed inside the pump housing. The air control assembly includes an impeller section that houses an impeller, and has an air inlet and an air outlet. The air control assembly further includes a motor housing that houses a motor, the motor housing having an air vent that communicates the interior of the motor housing with the air inlet and the air outlet, and a vent opening that communicates the interior of the motor housing to the environment. The air outlet is aligned with the valve assembly when the pump unit is operated in the inflation mode, and the air inlet is aligned with the valve assembly when the pump unit is operated in the deflation mode.

Abstract: A fire suppression apparatus for fighting fires from a vehicle configured for flight is disclosed, comprising a foam and water held in separate containers aboard the vehicle that when mixed forms a fire retardant, a pump driven by an electric motor to pressurize the fire retardant, the pump including an air induction valve where air is drawn into a suction end of the pump and pressurized together with the fire retardant, and an aimable boom connected to the pump by a conduit, the boom including a nozzle on a distal end of the boom from which the pressurized fire retardant and air is dispensed toward a target.

Abstract: A method for controlling circuitry of a softstarter arrangement to operate an electric motor for driving a pump is provided, wherein the softstarter circuitry electrically connects the motor to electric mains. The method includes: (i) controlling the circuitry of the softstarter arrangement to accelerate the motor up to full speed in a forward direction; (ii) controlling the circuitry of the softstarter arrangement to decelerate the motor when the motor has run at full speed in the forward direction for a first period of time; (iii) controlling the circuitry of the softstarter arrangement to accelerate the motor up a specified speed in a reverse direction; (iv) controlling the circuitry of the softstarter arrangement to decelerate the motor when the motor has run at the specified speed in the reverse direction for a second period of time; and (v) repeating the steps (i)-(iv) one or more times.

Abstract: A hydraulic control system for a transmission includes a source of pressurized hydraulic fluid, a park servo connected to a park mechanism, the park servo having a park side, an out-of-park side, and a biasing member disposed on the park side. A first valve assembly includes a first inlet port in fluid communication with the source of pressurized hydraulic fluid, a first outlet port, and a first valve for selectively allowing fluid communication between the first inlet port and the first outlet port. A second valve assembly includes a second inlet port in direct fluid communication downstream of the first valve assembly, a second outlet port in direct fluid communication with the out-of-park side of the park servo, and a second valve moveable between an out-of-park position and a park position.

Abstract: Methods and systems are provided for increasing a lift pump voltage to a high threshold voltage responsive to a DI pump efficiency being below a threshold efficiency, and increasing a lift pump voltage to a first threshold voltage less than the high threshold voltage responsive to a main jet pump fuel reservoir level being less than a first threshold reservoir level. The approach increases fuel jet pump performance and thereby reducing engine stalls induced by fuel vaporization, while maintaining DI pump efficiency and fuel economy.

Abstract: A connection system (1) for detachably connecting a component element to a coated component part (3), includes a coupling element (2) that has a head (6) with a non-round outer cross-section and has a shank (5). The head (6) can be received by a frictional connection in a rotationally fixed manner in a head region (11) of a connection opening (4) of the component part (3). The shank (5) can be received in a friction-locked and/or firmly-bonded manner in a sealing region (12) of the connection opening (4). The head (6) has an internal geometry for connecting the component element.

Abstract: A fire suppression apparatus for fighting fires from a vehicle configured for flight is disclosed, comprising a foam and water held in separate containers aboard the vehicle that when mixed forms a fire retardant, a pump driven by an electric motor to pressurize the fire retardant, the pump including an air induction valve where air is drawn into a suction end of the pump and pressurized together with the fire retardant, and an aimable boom connected to the pump by a conduit, the boom including a nozzle on a distal end of the boom from which the pressurized fire retardant and air is dispensed toward a target.

Abstract: A handheld work apparatus has a fuel supply system and a pump for delivering fuel from the fuel supply system. The pump has an elastic pump bellows which can be actuated by the operator. The pump bellows has a fastening section at which the pump bellows is fastened to a housing. The pump bellows has a main section and a roof section, wherein the roof section has a dome-shaped section adjoining the main section and a cap which adjoins the dome-shaped section and closes off the dome-shaped section. In order to achieve a rapid return of the pump bellows from the actuated position into the unactuated position, even at low temperatures, it is provided that the smallest wall thickness (g) of the main section is at least 10% greater than the smallest wall thickness (h) of the dome-shaped section.

Abstract: A hydraulic control assembly for a plurality of consumers includes, for each consumer, a supply metering orifice configured to control fluid flow. A flow-sensing fluid-flow-path extends over detection orifices positioned hydraulically in series, whereby a detection orifice is assigned to each supply metering orifice. The fluid-flow-path is connected to a hydraulic pump upstream of the detection orifices, and a control device of the hydraulic pump downstream of the detection orifices. Each detection orifice is configured to close the fluid-flow-path upon detecting a fluid supply deficiency for a corresponding consumer, whereby the control device is configured to interact with the fluid-flow-path such that fluid flow from the hydraulic pump is increased. When no customers have a supply deficiency, the fluid-flow-path over the detection orifices is fully opened, and the control device is configured to reduce fluid flow from the hydraulic pump.

Abstract: The current disclosure relates to steam generation and supply apparati and associated control systems. Particularly, the current disclosure relates to such steam generation supply apparati and associated control systems that are used for enhanced oil recovery. Certain embodiments are provided including methods and associated control systems related to the startup as well as main steam pressure header control or maintenance of a desired steam quality for such steam generation systems during normal operation.

Abstract: The current disclosure relates to steam generation and supply apparati and associated control systems. Particularly, the current disclosure relates to such steam generation supply apparati and associated control systems that are used for enhanced oil recovery. Certain embodiments are provided including methods and associated control systems related to the startup as well as main steam pressure header control or maintenance of a desired steam quality for such steam generation systems during normal operation.

Abstract: The current disclosure relates to steam generation and supply apparati and associated control systems. Particularly, the current disclosure relates to such steam generation supply apparati and associated control systems that are used for enhanced oil recovery. Certain embodiments are provided including methods and associated control systems related to the startup as well as main steam pressure header control or maintenance of a desired steam quality for such steam generation systems during normal operation.

Abstract: The current disclosure relates to steam generation and supply apparati and associated control systems. Particularly, the current disclosure relates to such steam generation supply apparati and associated control systems that are used for enhanced oil recovery. Certain embodiments are provided including methods and associated control systems related to the startup as well as main steam pressure header control or maintenance of a desired steam quality for such steam generation systems during normal operation.

Abstract: Embodiments described herein provide micro-fluidic systems and devices for use in performing various diagnostic and analytical tests. According to one embodiment, the micro-fluidic device includes a sample chamber for receiving a sample, and a reaction chamber for performing a chemical reaction. A bubble jet pump is structured on the device to control delivery of a fluid from the sample chamber to the reaction chamber. The pump is fluidically coupled to one or more chambers of the device using a fluidic channel such as a capillary. A valve may be coupled to one or more chambers to control flow into and out of those chambers. Also, a sensor may be positioned in one or more of the chambers, such as the reactant chamber, for sensing a property of the fluid within the chamber as well as the presence of a chemical within the chamber.

Abstract: A liquid processing apparatus includes a first line to which a processing liquid pressurized by a pump is sent from a processing liquid supply source; a plurality of second lines into which the pressurized processing liquid flowing through the first line flows; a branch line connected to a branch point on each of the second lines; a liquid processing unit configured to process a substrate with the processing liquid; an orifice provided at an upstream side of the branch point; and a first control valve provided at a downstream side of the branch point. The first control valve changes an amount of the processing liquid flowing to a downstream side of the first control valve to control a pressure of the processing liquid in a section between the orifice of the second line and the first control valve, and to control a flow rate of the processing liquid.

Abstract: A quantity control valve comprises a valve needle configured to move in an axial direction, a damping chamber having a wall, and a valve element delimiting the damping chamber. The valve needle is configured to move the valve element in an opening direction. A gap is defined between the wall of the damping chamber and the valve element. The gap has at least one recess and connects the damping chamber to a flow duct.

Abstract: An example system includes a diaphragm pump having a suction port and a discharge port, a urea suction line fluidly coupling a urea supply to the suction port, and a urea discharge line fluidly coupled to the discharge port. A recirculation line fluidly couples the urea discharge line to the urea suction line, and has a flow regulator operationally coupled thereto. A controller is configured to interpret a prime loss condition of the diaphragm pump, and to provide a flow regulator command in response to the prime loss condition.

Abstract: Provided is a fuel tank system wherein the liquid levels of fuel in two fuel storage portions can be equally maintained, and the fuel amount in each fuel tank can be estimated with a high degree of accuracy. The fuel tank system is provided with a fuel tank in which a main tank portion and a subsidiary tank portion are formed; a siphon tube which extends from the main tank portion to the subsidiary tank portion, to transfer fuel from one tank portion to the other tank portion; and an electronic control unit (ECU) for determining whether or not the fuel is transferred via the siphon tube (in the transfer state). The ECU determines that the fuel is in the transfer state when the change rate of a sender signal is equal to or less than a predetermined threshold value (VF_th).

Abstract: An integrated microfluidic device for carrying out a series of fluidic operations includes a housing including a plurality of n microfluidic conduits, wherein n is at least three, and a rotating valve having an internal channel with an entrance port and an exit port that are angularly separated. The rotating valve is positionable in a first position to connect two of the n fluidic conduits via the internal channel, and upon rotating the valve to a second position, two other of the n fluidic conduits are connected by the internal channel. The device further may include one or more fluidic chambers in fluid communication with respective fluidic conduits. Fluid contained in one fluidic chamber is transferrable by application of positive or negative gas pressure through associated fluidic conduits into another fluidic chamber via the internal channel. The device may be utilized to perform a variety of fluidic operations.

Abstract: There is provided a multi-directional selector valve which makes it possible to control opening and closing of the discharge ports in an easy manner and to minimize increase in cost and size even if the number of branches is increased. The multi-directional selector valve includes a valve case provided with a suction port and at least two discharge ports, at least two valve bodies provided for opening or closing the at least two discharge ports, a drive body formed into a rod-like shape and provided for driving the valve bodies and a drive source for rotating the drive body, and is configured such that any of convex portions provided on the side of the drive body are pressed onto any of the at least two valve bodies by the rotation of the drive body, thereby opening or closing the at least two discharge port in order.

Abstract: A water server includes a pump which can lift water in an exchangeable raw water container into a water storage tank in a casing. The water server further includes a water level sensor in the form of a float sensor for detecting the upper limit and the lower limit of the water level in the water storage tank. The water server further includes a controller adapted to activate the pump upon receiving a sensor input indicative of detection of the lower limit, and deactivate the pump upon receiving sensor input indicative of detection of the upper limit. The controller is further adapted to measure the time elapsed since the pump was activated, and deactivate the pump when the time elapsed reaches a predetermined time at which the water level exceeds the upper limit and at which water in the water storage tank has not yet overflown the water storage tank.

Abstract: There is provided a valve structure including a valve case provided with a suction port and discharge ports, valve bodies provided for opening and closing the discharge ports and a drive body for driving the valve bodies, where the valve bodies are provided with, at one end thereof, a blocking portion for closing the discharge port and at the other end thereof, an elastic member portion generating an elastic force for moving the blocking portion for opening and closing the discharge port, the rod-like drive body having a convex portion on its side is inserted into through-holes provided on the valve bodies in a direction intersecting a moving direction of the blocking portion moved by an elastic force, and the blocking portion is moved in the direction intersecting the drive body by the rotation of the drive body, thereby controlling the opening and closing of the discharge port.

Abstract: A water tempering system comprising a mixing tank located downstream from the main hot water storage tank, the mixing tank receiving a supply of hot water at a first temperature and a supply of cold water, the hot water and cold water supplies mixing within the mixing tank to provide a source of tempered hot water at a reduced, second temperature that is discharged from the mixing tank for distribution and use within an overall system. The amount of cold water directed to the mixing tank is controlled by a variable frequency drive pump which can adjust depending on system demands to ensure that sufficient cold water is directed to the mixing tank to ensure adequate mixing occurs to bring the temperature of the hot water to the second reduced temperature even during periods of low demand.

Abstract: A system and method for controlling a liquid management system. The system and method include a primary fill pump and a secondary fill pump, a primary drain pump and a secondary drain pump. The system and method also include a level sensor for monitoring a liquid level in a reservoir. A controller is programmed to monitor the liquid level in the reservoir such that the controller will operate the primary fill pump and the primary drain pump to control the liquid level in the reservoir in a predetermined manner. The controller is further programmed to operate the secondary fill pump and the secondary drain pump to control the liquid level in the predetermined manner in the event of a failure of the primary fill pump or the primary drain pump.

Abstract: A fuel circulation system and methods are provided. The system includes a supply pump for providing an outlet flow of fuel. The system also includes at least a first and a second servo. The first servo is connected to an outlet of the supply pump. A flow regulation device is interposed between the first and second servos. At least a portion of the outlet flow from the supply pump is directed through the first servo, flow regulation device, and second servo and is returned to an inlet of the supply pump.

Abstract: A control system for optimizing the flow of fluid from a plurality of pipelines in communication with a resource field includes a sensor array detecting characteristics of the resource field, the plurality of pipelines, and the flow of fluid through the plurality of pipelines. A first manifold assembly and a second manifold assembly each selectively receives the flow of fluid from any of the plurality of pipelines. A controller is provided to be in communication with the sensor array, the first manifold assembly and the second manifold assembly. The controller selectively diverts the flow of the fluid from a first group of the plurality of pipelines to one of the first and the second manifold assemblies, and diverts a second group of the plurality of pipelines to another of the first and the second manifold assemblies, in dependence upon the characteristics being communicated to the controller.

Abstract: A hydraulic device includes a hydraulic pump, valve stack, interface tube, and upper and lower seals. The valve stack has a pressure balanced connecting with an interface tube receiving bore. The interface tube conveys a hydraulic fluid from the hydraulic pump to the valve stack and has an axial bore open at a first end and closed at a second end with an outlet proximal to the second end. The upper seal seals the interface tube in the interface tube receiving bore and is disposed annularly about the interface tube between the outlet and the second end. The lower seal seals the interface tube in the interface tube receiving bore and is disposed annularly about the interface tube proximal to the outlet and between the outlet and the first end. The upper seal and the lower seal balance a pressure of the hydraulic fluid from the outlet.

Abstract: A rotary valve for an adsorption heat pump may include a cylindrical valve body, arranged rotatably about a central axis in a predetermined rotation direction with an outer covering and two front plates. A plurality of counter-directional high temperature connections may be arranged on the outer covering for connecting a high temperature heat source. A plurality of counter-directional medium temperature connections may be arranged on the outer covering for connecting a medium temperature heat sink. A plurality of sorption module connections may be arranged on the front plates for connecting a plurality of corresponding sorption modules. A duct system may pass through the valve body for directing a fluid, and a throttle, integrated into the valve body, may be included for constricting a flow cross-section at a throttle site of the duct system. The duct system may include open ducts and closed ducts.

Abstract: A liquid chromatography system includes a gradient proportioning valve in fluidic communication with sources of solvent. From the solvent sources, the gradient proportioning valve produces a low-pressure gradient stream. A first pump is in fluidic communication with the gradient proportioning valve to receive, pressurize, and move the pressurized low-pressure gradient stream to a flow-combining device. A second pump operates in parallel with the first pump and moves a pressurized solvent stream to the flow-combining device where the pressurized solvent stream combines with the low-pressure gradient stream to produce a high-pressure gradient stream. A second gradient proportioning valve can produce, from a second plurality of sources of solvent, a second low-pressure gradient stream, wherein the solvent stream moved by the second pump to the flow-combining device and combined with the other low-pressure gradient stream comprises the second low-pressure gradient stream.

Abstract: A multi-phase separation flow management system includes a housing with an inlet, a first outlet and a second outlet and in which a movable element is mounted. The movable element has a first passageway with an inlet and an outlet and a second passageway having an inlet and an outlet, and are disposed in the element so that the inlets of the first and second passageways are adjacent one another and the outlets of the first and second passageways are spaced apart from one another. The inlets are disposed adjacent a housing inlet, the first passageway outlet is disposed adjacent a first housing outlet and the second passageway outlet is disposed adjacent a second housing outlet.

Abstract: Automated fluid handling system comprising a housing and two or more fluid handling units arranged as interchangeable modular components with an external fluidics section and an internal non fluidics section, and wherein the housing comprises a liquid handling panel with two or more of component positions for receiving said interchangeable modular components such that the external fluidics section is separated from the non fluidics section by the liquid handling panel.

Abstract: A corrosion protection performance degradation detection sensor includes a detection electrode that reacts with the corrosion inhibitor dissolved in the solvent and forms on a surface thereof an electrode surface film which inhibits corrosion, a counter electrode that is disposed so as to face the detection electrode, and an AC power supply that applies an AC voltage between the detection electrode and the counter electrode. A change in concentration of the corrosion inhibitor in the solvent is detected, on the basis of a change in impedance of the electrode surface film formed on the surface of the detection electrode.

Abstract: A liquid chromatography system includes a pumping system with a selector valve in fluidic communication with a pump inlet. The selector valve switches between a first position, in which the selector valve fluidically couples a solvent reservoir to the pump inlet, and a second position, in which the selector valve fluidically couples a pressurized source of liquefied carbon dioxide (for example) to the pump inlet. The liquid chromatography system can perform as a HPLC system (or as an UPLC system) when the selector valve is in the first position and as a CO2-based chromatography system when the selector valve is in the second position. The selector valve can have a third position in which both the fluidic pathway between the solvent reservoir and the pump inlet and the fluidic pathway between the pressurized source and the pump inlet are blocked. This shut-off position advantageously facilitates system maintenance.

Abstract: A pump system that includes a pump, an injector and a regulator with a calculation unit. The regulator controls the pump to pump a liquid through a hose to the injector which opens and closes in response to an injector control signal, the time for an opening and closing cycle being called injector cycle and designated Ts, and the injector's open period being designated ?. The injector has a pressure sensor to measure the pressure of the liquid in the injector and to deliver to the calculation unit a pressure sensor signal representing the pressure amplitude in the injector. The calculation unit calculates the hose's rigidity B as a function of measured pressured amplitudes A in the injector, the injector cycle Ts and the injector's open period ?, and the regulator determines the basis of B the control signal to the pump.

Abstract: A vacuum sizing tank configured to provide controlled fluid flow. A fluid control system and a vacuum sizing tank utilizing electronic controls to create and maintain controllable fluid flow within the tank. Flow meters may measure the flow in and out of the tank to maintain consistency. Temperature meters may measure the temperatures for each of the flows to maintain consistency. An electronic circuit may compare the values with preset values. Any difference between the values may trigger change by varying the voltage applied to a variable speed water pump.

Abstract: A fuel system, such as for use in an aircraft, comprises a main pump, a servo pump, a modulating valve, a shut-off valve, an actuator and a pump sharing valve. The main pump and the servo pump receive fuel from a source. The metering valve receives main flow from the main pump. The shut-off valve receives fuel flow from the metering valve. The actuator receives fuel flow from the servo pump. The pump sharing valve receives circulating flow from the servo pump and alternatively directs shared flow to the main flow or an inlet of the servo pump. The pump sharing valve also sends main pump flow to supplement the servo pump during shutdown conditions.

Abstract: An exemplary semiconductor processing system may include a processing chamber and a first pressure regulating device coupled with the processing chamber. A second pressure regulating device may also be coupled with the processing chamber separate from the first pressure regulating device. A first pump may be fluidly coupled with the first pressure regulating device and fluidly isolated from the second pressure regulating device. A second fluid pump may be fluidly coupled with the second pressure regulating device.

Abstract: The invention relates to an injection system which includes a line which is connected with a pump. Furthermore, the injection system includes at least two branch lines which are connected with the line such that the fluid flowing in the line is split up onto the at least two branch lines. At least one branch line is connected with at least one injection means.

Abstract: The invention relates to a hydraulic manifold apparatus and system, connectable to a dual stage motor, for use in the topdrive of drilling operations. The hydraulic manifold is switchable between a low speed, high torque configuration and a high speed, low torque configuration. Valves within the manifold control the flow of working fluid through the manifold and into and out of the motor. Switching means are further provided to control the opening and closing of the valves. In the low speed, high torque configuration, working fluid enters each stage of the dual motor simultaneously, in parallel. In the high speed, low torque configuration, working fluid enters a first stage of the motor, returns to the hydraulic manifold, then enters a second stage of the motor, before returning again to the hydraulic manifold. Thus during high speed, low torque operation, working fluid enters each stage of the dual motor in series.

Abstract: A hydraulic pressure supply system of an automatic transmission for a vehicle is disclosed. The hydraulic pressure supply system of an automatic transmission for a vehicle may supply a low hydraulic pressure generated at a low-pressure hydraulic pump to a low pressure portion through a low-pressure regulator valve, may supply a portion of the low hydraulic pressure to a high-pressure hydraulic pump, and may supply a high hydraulic pressure generated at the high-pressure hydraulic pump to a high pressure portion through a high-pressure regulator valve.

Abstract: The improved system allows an operator overseeing a well stimulation hydraulic fracturing operation to bring frac pumps online and offline as necessary. A control panel allows the operator to remain at a safe distance from high-pressure equipment, including the frac pumps and respective remotely actuated isolation valves, yet allows monitoring and operation of same. The operating condition of the frac pumps and the isolation valves is monitored by an automated processing device, which prevents operation of same during certain pump and valve conditions. A wireless operator interface is also provided.

Abstract: The present invention provides an apparatus that can be used to connect a flash chromatography instrument to a fraction collector and a mass detector to perform mass-directed flash chromatography.

Abstract: An output control system of an agricultural work vehicle includes a controller, a reference indicator communicatively coupled to the controller, and a dial communicatively coupled to the controller. The controller is configured to control power output through an output value range between a minimum output value and a maximum output value based at least in part on a manual input signal, to determine a current setting of the power output, and to adjust the power output from the current setting upon receipt of the manual input signal. The reference indicator is configured to indicate the current setting.