Abstract: Method and apparatus for achieving high efficiency in an open gas-turbine process, in which a supercharger compresses air, which is burned together with a fuel in a first combustion chamber, which is followed by a first turbine, a second combustion chamber, a second turbine, and a preheating heat exchanger, in which primary bleed water vapor coming from the secondary process, or a mixture of the aforementioned water vapor and air coming from the supercharger are preheated. From the heat exchanger the combustion gases go to a waste-heat boiler, in which the secondary-process feed water is vaporized. The combustion gases are expanded in the second turbine to a pressure 0.5 bar lower than that of the surrounding atmospheric pressure. The remaining combustion gases are compressed by a combustion-gas supercharger to the surrounding atmospheric pressure.

Abstract: A fuel injector for a gas turbine engine may include a flow path for a fuel-air mixture extending longitudinally through the fuel injector, and a fuel gallery extending circumferentially around the flow path. The fuel gallery may be adapted to inject a liquid fuel into the flow path. The fuel injector may also include an annular casing positioned circumferentially around the fuel gallery to define an insulating chamber around the gallery. The fuel injector may also include an annular cover extending around the fuel injector to define a metering chamber. The fuel injector may further include one or more purge holes fluidly coupling the metering chamber to the insulating chamber, and one or more metering holes fluidly coupling the metering chamber to a volume exterior to the fuel injector.

Abstract: Systems and methods for controlling the composition of a combustion exhaust gas are provided.

Abstract: A series battery start controller for starting an aircraft turbine engine and method thereof is provided, wherein the battery series start controller connects two batteries in series when an aircraft engine starter is engaged to provide a higher voltage to start the aircraft engine and to provide adequate operational voltage to aircraft engine instruments and other aircraft electrical systems, and wherein the battery series start controller reconnects the batteries in parallel when the electrical load drawn by the starting aircraft engine decreases and the supplied voltage to the aircraft rises to a predetermined threshold.

Abstract: A thermal stress reduction method includes ramping an electric power generator to start an aircraft engine, for a time period associated with the aircraft engine start sequence toggling a three-level inverter switch array to a three-level pulse width modulation mode, determining if a first time interval in the three-level pulse width modulation mode exceeded a predetermined three-level pulse width modulation mode interval, in response to the first time interval exceeding the three-level pulse width modulation mode interval, toggling the three-level inverter switch array to a two-level pulse width modulation mode, determining if a second time interval in the two-level pulse width modulation mode exceeded a predetermined two-level pulse width modulation mode interval and in response to the second time interval exceeding the two-level pulse width modulation mode interval, toggling the three-level inverter switch array to the three-level pulse width modulation mode.

Abstract: The present techniques are directed to a system and method for generating power and producing liquefied natural gas (LNG). The system includes a power plant configured to generate power, wherein an exhaust gas from the power plant provides a gas mixture including nitrogen and carbon dioxide. The system also includes a dehydration system configured to dehydrate the gas mixture to generate a nitrogen refrigerant stream and a refrigeration system configured to produce LNG from a natural gas stream using the nitrogen refrigerant stream.

Abstract: A method for generating steam for hydrocarbon production is provided. The method includes producing steam using heat from an exhaust stream from a gas turbine system. A water stream is condensed from combustion products in the exhaust stream, and the water stream is used as a make-up water for production of the steam.

Abstract: Method for operating a combined-cycle power plant is provided. The plant includes at least a gas turbine and at least a steam power generation system. The plant activates at least one electric generator connectable to an electric grid, wherein the gas turbine includes a compressor. The steam power generation system includes a steam turbine, a heat recovery steam generator and a bypass line. The method is such that the gas turbine de-loads to a condition, where the compressor operates at its nominal speed. The method is such that the steam turbine de-loads in coordination with the de-load of the gas turbine, to a condition where the total load exported by the plant to the grid is substantially equal to zero, being both the gas turbine and the steam power generation system connected.

Abstract: A starter motor has a housing. The housing receives the starter motor and a plurality of locations to receive lubricant. The lubricant supply system shares a lubricant source with a main gas turbine engine to be started by the starter motor. The lubricant supply system has a shutoff valve. The shutoff valve is opened when starter motor is being driven to start a main gas turbine engine. The shutoff valve is generally closed once the main gas turbine engine is started.

Abstract: A centerline support bar for steam turbine component assembly, installation, and/or alignment is disclosed. In one embodiment, the support bar includes a body portion configured to be disposed across a centerline of a steam turbine, the body portion configured to transversely connect to a steam turbine component; and a first flange extending from the body portion and configured to contact a steam turbine casing, wherein the steam turbine support bar is configured to non-affixedly join the steam turbine casing to the steam turbine component.

Abstract: A system and method for aligning a gas turbine engine. The system and method includes installing an alignment mount, determining whether the gas turbine engine is aligned and/or in a sufficiently aligned condition, and modifying a vertical position of the gas turbine engine at the alignment mount in response. The alignment mount includes an engine attachment, a ground attachment, and an expansion member configured to allow the engine attachment and the ground attachment to move relative to each other and maintain a load path therebetween.

Abstract: A gas turbine engine combustion chamber heat shield and seal assembly comprises a heat shield and a seal. The heat shield has an aperture and the seal is located in the aperture in the heat shield. The seal comprises an annular member having an upstream end, a middle and a downstream end. The upstream end of the seal has a diameter greater than the diameter of the aperture in the heat shield, the middle has a diameter less than the diameter of the aperture in the heat shield and the downstream end of the seal has a diameter greater than the diameter of the aperture in the heat shield.

Abstract: A cooling system comprises a container that is conductively coupled or convectively coupled to a thermoelectric device to selectively cool and/or heat the container. A climate controlled container system for a vehicle includes a container or cavity and a conduction element configured to cool the cavity. In some embodiments, the cooling system comprises a housing, a housing inlet, a fluid passage and one or more thermoelectric devices and fluid transfer devices positioned within the housing.

Abstract: A device for cooling beverages comprises a cooling chamber 3, a supply arrangement 31, a dispensing arrangement 4 and at least one thermoelectric converter 5. The cooling chamber encloses a hollow space 35, 36, 37, 38. The supply arrangement is configured to supply a liquid to the hollow space enclosed by the cooling chamber. The dispensing arrangement is configured to withdraw liquid from the hollow space enclosed by the cooling chamber, and the at least one thermoelectric converter has a first surface through which an amount of cooling is delivered when the thermoelectric converter is supplied with electric energy. In the device the first surface is in thermal contact with the cooling chamber, and the cooling chamber includes in its interior at least one array of spaced apart fins 34, each extending from one of the sidewalls of the cooling chamber into the interior thereof.

Abstract: A pulse tube refrigerator includes a compressor, a regenerator to which a refrigerant gas is discharged from the compressor and from which the refrigerant gas returns to the compressor, a pulse cube including a low-temperature end connected to the low-temperature end of the regenerator, and a flow rate controller provided at the low-temperature end of the regenerator. The flow rate controller is configured to control the flow rate of a first DC flow flowing from the regenerator toward the pulse tube and the flow rate of a second DC flow flowing from the pulse tube toward the regenerator, so that the flow rate of the first DC flow is greater than the flow rate of the second DC flow.

Abstract: The system heats glycol water using steam generated by a boiler and heating LNG using the glycol water, thereby increasing efficiently the LNG to temperature required for an engine. In addition, the system senses LNG flowing to a glycol tank using a pressure sensor, etc. when the LNG flows to the glycol tank due to pressure difference between a fuel supplying line and a glycol circulation line generated according as a heat exchanger is broken down, and outputs the flowed LNG to the outside. As a result, the glycol circulation line may be returned to original state and stability of the system may be enhanced.

Abstract: A system for supplying LNG fuel is disclosed. The system includes a fuel supplying line connected from an LNG storage tank to a high pressure engine and a low pressure engine, respectively, a pump formed on the fuel supplying line, and configured to pressurize LNG outputted from the LNG storage tank to high pressure, a first heat exchanger formed on the fuel supplying line between the high pressure engine and the pump, and configured to heat the LNG supplied from the pump, a second heat exchanger formed on the fuel supplying line between the low pressure engine and the LNG storage tank, and configured to evaporate the LNG in a liquid state supplied from the LNG storage tank and a heat source supplying line configured to supply heat to the LNG by supplying glycol water to the first heat exchanger and the second heat exchanger.

Abstract: A cryopump includes: a cryopanel assembly including a plurality of cryopanels each having an adsorption area on both surfaces thereof; a radiation shield forming a gas receiving space that surrounds the cryopanel assembly; and a radiation cover disposed in a cryopump inlet. The radiation cover includes a main plate located at a position in the cryopanel inlet that corresponds to the cryopanel assembly and a louver portion located at a position in the cryopanel inlet that corresponds to the gas receiving space. The radiation cover may not include the louver portion.

Abstract: A method of controlling a temperature in a room includes the following steps: 1) Sense a volume of sound in the room to obtain a sensed volume; and 2) Control an output of an air conditioning unit to keep a temperature in the room in a first temperature while the sensed volume is higher than a volume value; or control an output of the air conditioning unit to keep a temperature in the room in a second temperature while the sensed volume is lower than the volume value and lasts for a first waiting time. A power consumption of the air conditioning unit to keep the temperature in the second temperature is lower than a power consumption of the air conditioning unit to keep the temperature in the first temperature to reduce the unnecessary power consumption when there is nobody in the room.

Abstract: An apparatus and method for predicting failure of a ultralow temperature freezer is disclosed. The freezer includes a variety of temperature sensors, which monitor the temperature of the freezer at various components, such as at the heat exchanger, the condenser, and the evaporator. A controller is in communication with these sensors. The controller monitors these sensors and may determine that the freezer has experienced a performance degradation, or a severe performance degradation. In some embodiments, the controller also monitors other events, such as the actuation of the compressors, and closing of the freezer door. The controller uses temperature information, either absolute sensor readings, or the difference between two different sensor to estimate refrigerant volume and flow rate in the system. In some embodiment, the controller also uses elapsed time from a specific event and a temperature reading to estimate refrigerant volume and flow rate in the system.

Abstract: A cooler ice net adapted to reside inside a cooler is described. The cooler ice net typically contains cubed ice dispersed among or burying the cooler articles, and also enables the cubed ice to be readily separable from the cooler articles and removable from the cooler. A mesh barrier portion of the cooler ice net is typically supple, allowing the mesh barrier to drape about and conform to the cooler articles. Accordingly, ice cubes residing within a mesh barrier cavity, whose lower portion is surrounded by the mesh barrier, also conform to the cooler articles. Embodiments of the cooler ice net include handles that facilitate ready removal of the cooler ice net, along with cubed ice contained therein, from within the cooler.

Abstract: An adsorption heat pump system includes: an adsorption heat pump including a condenser configured to condense a vapor of a refrigerant; an air-cooling device configured to air-cool a coolant discharged from the condenser in the adsorption heat pump and to resupply the air-cooled coolant to the condenser; and a controller. The controller controls a flow rate of the coolant to be supplied to the condenser according to a difference in temperature between the coolant supplied to the condenser and the coolant discharged from the condenser.

Abstract: A control system, which may be a Proportional Integral Derivative (PID) control system, controls a component by adjusting the control input and the execution of the control output whenever a change in a state of a component exceeds a certain value. A method is also described.

Abstract: A cooling device capable of achieving cooling performance suitable for an amount of generated heat from a heat source is provided. A cooling device cooling HV equipment includes a compressor for circulating a coolant; a heat exchanger performing heat exchange between the coolant and outside air; an expansion valve decompressing the coolant; a heat exchanger performing heat exchange between the coolant and air-conditioning air; a cooling unit provided on a route of the coolant flowing between the heat exchanger and the expansion valve, and cooling the HV equipment using the coolant; a bypass route bypassing the expansion valve and the heat exchanger; and a switching valve selectively switching between a flow of the coolant flowing from the cooling unit toward the expansion valve and a flow of the coolant flowing through the bypass route.

Abstract: A first heat exchanger, a desiccant block, and a second heat exchanger are arranged in series. In a dehumidification operation, a first operation mode in which the first heat exchanger acts as a condenser or a radiator and the second heat exchanger acts as an evaporator and a second operation mode in which the first heat exchanger acts as an evaporator and the second heat exchanger acts as a condenser or a radiator are alternately repeated.

Abstract: A seasonal thermal energy storage system for heat supply and removal, including an energy-storage device, a solar collector, a refrigerating unit, and a water supply device in closed-loop connection to a user terminal. The energy-storage device includes at least a heat source storage pond and a cold source storage pond. The heat source storage pond and the cold source storage pond are connected to water source via first water pumps. The water supply device includes a hot water supply pool connected to the heat source storage pond and a cold water supply pool connected to the cold source storage pond. The solar collector is connected to the heat source storage pond and the hot water supply pool via second water pumps. The refrigerating unit is connected to the hot water supply pool and the cold water supply pool via third water pumps.

Abstract: A portable heat exchange cooler with a self-contained heat exchange unit configured for cost-effective transportation without wide-load travel restrictions to remote locations. The portable heat exchange cooler can include a process cooler, an engine driver, and a fuel vessel, each mounted on a gooseneck-style trailer. The process cooler is typically housed within a containment cage and configured to reduce the temperature of a gas flowing through cooling tubes of the process cooler. An engine driver typically housed outside the containment cage can drive the process cooler. The engine driver is coupled to a fuel vessel capable of providing fuel for powering the engine driver. Leveling devices positioned on the trailer are useful for leveling the trailer (and the process cooler) at a field site.

Abstract: A cooling system for an eco-friendly vehicle, may include an unified radiator that cools working fluid flowing therethrough to cool an electric power component and an air-cooling type AC condenser, respectively, a pump that is disposed in a series with the unified radiator to pump up the working fluid in the unified radiator to the electric power component or the water-cooling type AC condenser, a first branch pipe and a second branch pipe that connect the electric power components with the water-cooling type AC condenser in parallel for the unified radiator and the pump, and a valve connected to the first and second branch pipes and disposed to selectively supply the working fluid from the pump to the first branch pipe and the second branch pipe.

Abstract: A cooling system for an eco-friendly vehicle, may include an unified radiator that cools working fluid flowing therethrough to cool an electric power component and an air-cooling type AC condenser, respectively, a pump that is disposed in a series with the unified radiator to pump up the working fluid in the unified radiator to the electric power component or the water-cooling type AC condenser, a first branch pipe and a second branch pipe that connect the electric power components with the water-cooling type AC condenser in parallel for the unified radiator and the pump, and a valve connected to the first and second branch pipes and disposed to selectively supply the working fluid from the pump to the first branch pipe and the second branch pipe.

Abstract: A system includes an intercooler configured to receive an airflow from a first compressor, to transfer heat from the airflow to a working fluid, and to provide the airflow to a second compressor. The system also includes an evaporative chiller configured to receive the working fluid from the intercooler, to chill the working fluid via evaporative cooling within an ambient air environment, and to provide the working fluid to the intercooler. In addition, the system includes a desiccant system configured to reduce a humidity of ambient air within the evaporative chiller.

Abstract: A heat exchange unit includes a first heat exchanger, a second heat exchanger and a water guiding member. The first heat exchanger has a first heat exchange part exchanging heat between a refrigerant flowing in an interior and air passing an exterior. The second heat exchanger has a second heat exchange part disposed below the first heat exchange part and exchanging heat between the refrigerant flowing in an interior and air passing an exterior. The second heat exchanger is integrated with the first heat exchanger. The water guiding member is disposed between the first heat exchange part and the second heat exchange part and guides condensation water generated on the first heat exchange part to the second heat exchange part. The heat exchange unit is preferably part of a refrigeration device that has a two element compression mechanism, an intermediate refrigerant pipe, and a switching mechanism.

Abstract: A compression mechanism portion housed in a closed case is provided with a partition plate located between a first cylinder and a second cylinder. The compression mechanism includes a first bearing discharge port formed to a first bearing and a first partition plate discharge port formed to the partition plate as discharge ports for discharging working fluid compressed in a first cylinder chamber, and also includes, as discharge port for discharging working fluid compressed in a second cylinder chamber, a second bearing discharge port formed to a second bearing and a second partition plate discharge port formed to the partition plate. A cross-sectional area of the first partition plate discharge port is formed to be smaller than a cross-sectional area of the first bearing discharge port, and a cross-sectional area of the second partition plate discharge port is formed to be smaller than a cross-sectional area of the second bearing discharge port.

Abstract: A sample cooling device is provided with, inside a sample storage which stores therein a sample rack, a first heat transfer member arranged at a position in contact with the sample rack, a second heat transfer member which cools the inside of the sample storage, and a condensate discharge mechanism which discharges condensate condensing on the second heat transfer member to the outside of the sample storage. An internal space of the sample storage is not sealed due to the existence of a leak path for air formed between the inside and the outside of the sample storage, the leak path including at least the channel. The sample storage includes an outside air introduction unit which forcibly blows the outside air into the internal space so that the pressure inside the sample storage becomes higher than the outside pressure thereof.

Abstract: In at least one aspect of this disclosure, a refrigeration system includes an evaporatively cooled condenser configured to transfer heat from the refrigeration system to an atmosphere, an air inlet in fluid communication with the condenser, and an evaporative cooling medium disposed between the atmosphere and the condenser such that at least a portion of an airflow from the atmosphere passes through the evaporative cooling medium to reduce the temperature of the airflow before passing the airflow over the condenser. The evaporative cooling element can improve system cooling efficiency by 20-50% depending on temperature conditions or even greater in dry climates.

Abstract: A fan support and storage apparatus for use in cooling a user's torso while the user is positioned adjacent the apparatus includes a base member having upper and lower portions. The apparatus includes a tubular support member having a first end operatively coupled to the base member and a second end opposite the first end. The support member has an elongate tubular configuration extending upwardly from the base member and supported in a vertical configuration above the base member. A fan assembly is slidably coupled to the support member and selectively movable therealong between the first and second ends of the support member. A fan drawer assembly is slidably coupled to the support member adjacent the fan member that is being slidably movable between the first and second ends of the support member. One or more accessory drawer assemblies may be slidably coupled to the support member.

Abstract: A heat exchanger includes an inner tube extending along a central axis, an array of a plurality of heat transfer members mounted to the inner tube, and a plurality of outer tubes disposed radially outward of and in parallel relationship to the inner tube, the inner and outer tubes extending longitudinally to pass through the array of heat transfer members. The heat exchanger is particularly suited for use as an engine exhaust cooler in connection with a transport refrigeration unit, wherein the inner tube defines an internal flow passage through which engine exhaust gas passes, each outer tube defines an internal flow passage through which refrigerant passes, and the plurality of flow passages between adjacent heat transfer members defines an air flow passage. In an embodiment, the heat transfer members may be annular disks having an internal chamber filled with air or other heat transfer working fluid.

Abstract: A solution of sacrosidase in glycerol/water that is enzymatically stable indefinitely when maintained at about ?18° C. to ?22° C. is disclosed.

Abstract: An automated device for storing, preserving and providing bags of blood comprises a control unit and a refrigerated cell containing a plurality of storage modules on top of one another. Each module comprises a storage disc which has on it a plurality of radially open compartments intended for housing the bags and it is equipped with a motor of axial rotation of the disc so as to bring, driven by the control unit, a selected compartment with its radial opening to a corresponding area for loading/unloading the bags. Advantageously, for each module the loading/unloading area comprises, towards the outside of the cell, an opening equipped with a door controlled electrically so as to allow or inhibit the access to the compartment brought to the area for loading/unloading through rotation of the disc.

Abstract: An energy recovery apparatus for use in a refrigeration system, comprises an intake port, a nozzle, a turbine and a discharge port. The intake port is adapted to be in fluid communication with a condenser of a refrigeration system. The nozzle comprises a fluid passageway. The nozzle is configured to expand refrigerant discharged from the condenser and increase velocity of the refrigerant as it passes through the fluid passageway. The turbine is positioned relative to the nozzle and configured to be driven by refrigerant discharged from the fluid passageway. The discharge port is downstream of the turbine and is configured to be in fluid communication with an evaporator of the refrigeration system.

Abstract: The present techniques are directed to a system and method for recovering carbon dioxide (CO2). The method includes recovering the CO2 from a gas mixture including the CO2 via a CO2 separation system. The CO2 separation system includes a rotating freezer/melter.

Abstract: There is provided a method for recovering hydrocarbon compounds from a gaseous by-products generated in the Fisher-Tropsch synthesis reaction, the method comprising a pressurizing step in which the gaseous by-products are pressurized, a cooling step in which the pressurized gaseous by-products are pressurized to liquefy hydrocarbon compounds in the gaseous by-products, and a separating step in which the hydrocarbon compounds liquefied in the cooling step are separated from the remaining gaseous by-products.

Abstract: The invention is directed to tools and methods for matching a first ring to a second ring. The apparatus comprises a plurality of contour bands, each contour band having a contoured portion that differs from the contoured portion of the other bands. Preferably the bands differ by increments such that a wide range of matching can be performed to identify a correct contour, which is then provided to a manufacturer for creation of the matching band.

Abstract: A counterweight pendant for a necklace comprises a bottom portion with a substantially flat back surface and a top portion that joins the bottom portion at an angle or curve. The back surface is configured to frictionally rest against a person's back and may be textured. The curved top portion of the counterweight allows a necklace clasp to be attached without interfering with the area of friction against the back surface and the person's back. The bottom portion can be wider and contain more mass than the top portion to keep the counterweight in the proper orientation.

Abstract: The invention relates to the jewelry industry. The present invention addresses the technical problem of securing a stone in an item of jewelry in a reliable and simple manner and in such a way that as little as possible of the stone is concealed. The proposed technical solution, which provides the appropriate degree of reliability in the securing of a stone in an item of jewelry, makes it possible to expose the stone to view to the maximum possible extent. The setting consists of a single ring, corresponding in shape to the bottom part of the cut stone, into which the stone is inserted, and a displaceable prong, which fastens the stone from above with a single point of contact. The proposed technical solution is suitable for use with stones of any cut.

Abstract: The present invention is apparatus for, and method of, purification of silicon by electric induction heating and melting of silicon in a crucible or susceptor vessel, with subsequent directional partial cooling of the silicon melt to an initial amorphous-to-crystalline (solidification) temperature to produce a directionally solidified purified quantity of silicon and a separate quantity of high impurity silicon. The quantity of high impurity silicon is removed from the vessel and the purified quantity of silicon at solidification temperature is remelted in the vessel for removal from the vessel or further processing.

Abstract: The present invention provides a laundry processing apparatus (100), which includes: a laundry processing drum (22), used for holding laundry for processing; a driving system (30), used for driving the laundry processing drum (22) to process the held laundry; and a power control system (10), at least used for providing power of a grid for the driving system (30), where the power control system (10) includes an electrical storage device (11). Through the setting, when external grid power outage occur or the fluctuation of the voltage is excessively large, the power control system may switch a power storage device to supply power to the laundry processing apparatus, thereby eliminating the influence on the apparatus caused by unstable voltage of power transmitted by the grid or grid power outage, and avoiding the trouble brought to a user.

Abstract: A key coded lock wherein the casing has a bottom shell and a surface shell; the cipher device is arranged on the left of the upper end face of the bottom shell; the lockset is arranged on the right of the upper end face of the bottom shell; the cipher device has a plurality of password wheels and a plurality of password adjustment wheels; the latch hook has a first straightline section, a bending section and a second straightline section; clamping grooves are formed on inner side faces of the password wheels; the lockset has a lock core, a sleeve and a latch hook sleeve; the lower end of the sleeve is connected with the lock core and the upper end of the sleeve is an open end and provided with an internal thread; a threaded rod engaged with the sleeve is formed on the latch hook sleeve.

Abstract: Systems, apparatuses, and kits pertaining to safety are disclosed. A system of the present invention may include a locking device configured to allow access to a property and an unlocking device configured to unlock the locking device. At least one of the locking and unlocking device are configured to activate a safety device, such as a camera, preferably upon unlocking. An apparatus of the present invention may include a processor and a machine-readable medium storing a set of instructions which cause the processor to unlock a locking device and activate a safety device. A kit of the present invention may include a locking device, a camera, an unlocking device, a processor, and a machine-readable medium that causes the processor to activate the camera to begin recording a feed. Other safety devices may include audio recorders, lights, sirens, and apparatuses configured to place an emergency call.

Abstract: A self-contained portable locking apparatus is disclosed which collects, stores, displays, and/or transmits information each time the apparatus is opened, closed, or even merely handled. This information may include but is not limited to time, date, and the number of times the apparatus is used or handled. The functions and performance of the locking apparatus may be manually or remotely controlled and manipulated. The disclosed apparatus may be also manually or remotely interrogated and the information gathered by the apparatus may be locally stored and/or be transmitted to a remote receiver such as a cell phone or a computing device.

Abstract: A lockout device includes a first member having a first lockout feature and at least a first aperture, and a second member including a second lockout feature and at least a second aperture. The second member is assembled with the first member and is slideable along a range of positions between first and second limit positions of the second member with respect to the first member. The range of positions includes a first lockout position in which the first and second lockout features are positioned to interlock with a first external structure, and a release position in which the first and second lockout features are positioned to disengage from the first external structure.