Abstract: A baler for forming large cylindrical bales of crop material is equipped with a wrapping mechanism at the rear side of the baling chamber for introducing wrapping material into the baling chamber for wrapping the cylindrical bales. A storage bin for storing extra rolls of wrapping material extends vertically above the wrapping mechanism and contains a plurality of extra rolls of wrapping material. The storage bin is mounted for pivoting about a connection at a lower end region of the bin so that the bin may be lowered to a loading position in which roll compartments of the bin are at a height commensurate with that of the waist of an average adult person standing on the ground so that supply rolls may be easily moved from these compartments to an operating position within the wrapping mechanism and new rolls may be used to replenish the rolls used from these compartments without an operator having to lift the rolls above his or her waist.

Abstract: A packing method and unit (11) for folding a sheet (3) of packing material about a group (2) of cigarettes, and having: a first packing conveyor (12) having a first pocket (14) for receiving the group (2) wrapped in the tubular-folded sheet (3) of packing material; a second packing conveyor (18) having a second pocket (20) for receiving the group (2) wrapped in the tubular-folded sheet (3) of packing material; and a transfer device (24) which transfers the group (2), wrapped in the tubular-folded sheet (3) of packing material, from the first pocket (14) to the second pocket (20), and has a pusher (26) located at the first pocket (14) and engaging a first base wall (4) of the group (2), and a counter-pusher (27) located at the second pocket and engaging a second base wall (4), opposite the first base wall (4), of the group (2); the pusher (26) and/or the counter-pusher (27) of the transfer device (24) having respective lateral appendixes (28) which engage minor lateral walls (6) of the group (2), when the push

Abstract: This machine comprises a hopper (2) for storing empty straws, a station (5) for filling the straws, and a transfer device (3), such as a rotary barrel, which is provided with notches for receiving and holding the straws (p) and with which straws removed from the hopper are conveyed to the filling station (5); it is designed to process at least two categories of straws of different diameters, notches being subdivided into at least two distinct series that can be used selectively, the elements (90) of one of the two series being designed to adapt to straws of large diameter, while the elements (91) of the other series are designed to adapt to straws of small diameter. Machine that can be used in more than one way in the packaging of semen for artificial insemination, particularly of cows.

Abstract: A mask storage device and a method of preventing defect formation on a mask are provided. The method includes providing a mask storage device comprising a first and second shell configured to form a sealed space in a closed state and a desiccant positioned within the mask storage device. The method further includes placing a mask inside the mask storage device and sealing the mask storage device with the mask and desiccant inside the sealed space.

Abstract: A device for inserting sheets into an envelope comprises a holding device supporting the envelope. A support portion of the holding device is inserted into the envelope. The support portion has a fixed orientation and position relative to a feed device. The device further comprises a mechanism for preparing the envelope for accommodating the support portion of the holding device. The mechanism is upstream of the holding device and comprises a first interaction device, acting onto the envelope in a first direction during feeding of the envelope and a second interaction device downstream of the first interaction device, acting onto the envelope in a second, opposite direction. The second interaction device comprises at least one cam on a rotatable shaft. By rotation the shaft and cam may be brought into an interaction position, with the envelope, or an inactive position.

Abstract: A mower-conditioner is provided having guide elements that protrude into the crop material flow. The guide elements make it possible to influence the direction of the trajectory of the cut crop material. Each guide element can be mounted on at least one component of the mower-conditioner by way of the least one holder. At least one component contains openings, through which at least one holder can be inserted into and/or fitted in the component.

Abstract: A walk-behind outdoor power machine includes a control that is actuable to control at least one operational aspect the power machine, a handle including a user-graspable portion that is graspable by an operator walking behind the machine, a locking mechanism locking the user-graspable portion of the handle at a desired height, and an actuator incorporated into the control. The control is actuated in a first direction to control the operational aspect of the power machine, and is actuated in a second direction to release the locking mechanism so the height of the user-graspable portion can be adjusted.

Abstract: At least one electrode assembly is configured to enable like charged ions to convert potential energy of the like charged ions into kinetic energy based on the Coulomb forces therebetween via linear alignment thereof, or enable a first portion of like charged ions to convert potential energy of the first portion of like charged ions to kinetic energy based on interaction with the Coulomb forces of a second portion of like charged ions, or enable a first portion of like charged ions to convert potential energy of a second portion of like charged ions to kinetic energy based on similar interaction. Various electrode assemblies are described and corresponding methods of converting potential energy of like charged ions to kinetic energy. The like charged ions are configured to form a passive electric field voltage source that may have one or more electric field monopoles to enable motion of a mobile assembly.

Abstract: An air discharging device (20) for an aircraft turbine engine, comprising at least one door (24) displaceable between an open and a closed position of a corresponding orifice (30) and comprising two valves (26, 28), which delimit between them a conduit (68) for guiding a portion (74) of the secondary flow (76) outwards in the downstream direction, and which are integral with each other and are hinged around a pivot axis (58), so that in said open position, the upstream end of said internal valve (26) protrudes from the inner side relative to the internal surface (12), the downstream end of said external valve (28) protrudes from the external side relative to the external surface (14), and said internal valve (26) is spaced away from the fixed structure (22) so that an air passage exists downstream of said internal valve (26), between the latter and said fixed structure (22).

Abstract: The invention relates to a jet engine (1), in particular an aircraft jet engine, including at least one combustion chamber (3). The combustion chamber (3) is connected to at least one compressed gas intake (4) and to at least one burnt gas outlet (5). Said burnt gas outlet(s) (5) include an exhaust valve. The exhaust valve includes two rotary parts (7), referred to as rotary exhaust parts, the rotary exhaust parts (7) including curved walls (8) and intermediate walls (9) connecting the curved walls (8), and rotating in a coordinated, continuous fashion such that said valve is in a closed position in order to block the gas during at least one combustion step, and in an open position in order to define a space (10) through which the gas flows out from the combustion chamber (3) during at least one expansion step.

Abstract: A variety of embodiments of exhaust systems for engines including small off-road engines, and related methods of operation, are disclosed. In at least some embodiments, the exhaust system includes a first conduit that receives exhaust emissions from a first engine cylinder, and a second conduit that communicates air to a first port on the first conduit. The air mixes with the exhaust emissions within the first conduit so as to produce a chemical reaction, and a level of at least one undesirable component of the exhaust emissions is reduced. Further, the exhaust system does not include any catalytic converter. In some embodiments, the exhaust system further comprises a crankcase ventilation system.

Abstract: A variety of embodiments of exhaust systems for engines including small off-road engines, and related methods of operation, are disclosed. In at least some embodiments, the exhaust system includes a first conduit that receives exhaust emissions from a first engine cylinder, and a second conduit that communicates air to a first port on the first conduit. The air mixes with the exhaust emissions within the first conduit so as to produce a chemical reaction, and a level of at least one undesirable component of the exhaust emissions is reduced. Further, the exhaust system does not include any catalytic converter. In some embodiments, the exhaust system further comprises a crankcase ventilation system.

Abstract: The invention relates to an arrangement (1) for operating an exhaust gas post-treatment device, particularly of a motor vehicle, wherein the arrangement (1) comprises a plurality of consumers (3-12) and a controller (2), wherein the controller (2) comprises at least one switching device (13) for switching the consumers (3-12) on and off. According to the invention, the consumers (3-12) are grouped according to function, and connected to one switch (17-21) each of the switching device (13). The invention further relates to a method for operating an exhaust post-treatment device.

Abstract: A catalyst degradation detection method for use with a zero ceria catalyst. The method uses techniques to measure transient responses to engine control events of upstream and downstream sensors to determine catalyst degradation and performance. By measuring transient behavior, the method can determine catalyst degradation and performance based on the limited oxygen storage of precious metal catalysts that do not include added ceria or other materials with high oxygen capture rates.

Abstract: A vehicle includes: an engine; an EHC (electrically heated catalyst) electrically heated for purifying exhaust gas of the engine; a temperature sensor for sensing the temperature of the EHC; and an ECU that controls the EHC in temperature. The ECU performs a first estimation process and a second estimation process to estimate the temperature of the EHC and accordingly controls electric power applied to energize the EHC, the first estimation process being performed to estimate the temperature of the EHC based on an output of the temperature sensor before the engine starts, the second estimation process being performed to estimate the temperature of the EHC based on the temperature of the exhaust gas emitted by the engine after the engine is started.

Abstract: A system and method for operating an engine turbocharger is described. In one example, the turbocharger is rotated in different directions in response to operating conditions. The system and method may reduce engine emissions.

Abstract: An exhaust gas control device of an internal combustion engine has an exhaust treatment device that purifies an exhaust gas. The exhaust gas control device is formed such that unburned fuel is supplied into the exhaust gas by a fuel addition valve, and the unburned fuel is ignited by a glow plug, to generate thereby a flame that reaches an upstream end of an exhaust treatment device. The unburned fuel is caused to become adhered to the upstream end of the exhaust treatment device before a generated flame reaches the exhaust treatment device. Then, the unburned fuel adhered to the upstream end of the exhaust treatment device burns by the flame.

Abstract: An apparatus comprising a compression ignition engine and an exhaust system therefor comprising at least one exhaust system component for treating exhaust gas and means for generating an exotherm for heating the at least one exhaust system component, which exotherm generating means consisting essentially of a catalyst and means for injecting hydrocarbon into exhaust gas for combustion on the catalyst, which catalyst consisting essentially of both a palladium (Pd) component and a platinum (Pt) component, and an optional support material, disposed on a substrate monolith.

Abstract: An exhaust device for an internal combustion engine is mounted on a vehicle and equipped with an exhaust passage, a reforming catalyst and a NOx purification catalyst. The exhaust passage communicates with the engine. The reforming catalyst is provided on the exhaust passage at the upstream side of the NOx purification catalyst, and it generates the reducing agent by reforming CH4. The NOx purification catalyst purifies NOx by means of the reducing agent generated by the reforming catalyst.

Abstract: When a diesel particulate diffuser (“DPD”) of a vehicle traveling in a normal drive mode in the upland area is to be automatically regenerated by raising a temperature of exhaust gas from an engine, an exhaust gas purification system determines an upland full-load injection quantity from the atmospheric pressure in the upland area and an engine speed while the vehicle is in motion and drives the vehicle with the injection quantity determined. The system determines, during the regeneration mode, an upland drive regeneration injection quantity obtained by decreasing the upland full-load injection quantity on the basis of a quantity required for the post-injection. The injection quantity is gradually decreased from the upland full-load injection quantity to the upland regeneration drive injection quantity when the vehicle shifts from the normal drive mode in the upland area to the upland regeneration mode, so that the decreased quantity is used for the post-injection.

Abstract: A method for operating a metering apparatus for reducing agent includes providing the metering apparatus with at least one movable pump element movable between upper and lower reversal points to convey reducing agent into an exhaust-gas treatment component, and at least one position transmitter for determining a pass of the movable pump element. In the method, a first detection of a position of the movable pump element is provided by the position encoder. Subsequently, the movable pump element is moved and reducing agent is metered into the exhaust-gas treatment component. Thereupon, a second detection of a position of the movable pump element is provided by the position encoder, and subsequently a first quantity of reducing agent which is metered between the first and second detections is determined. A metering apparatus and a motor vehicle having a metering apparatus are also provided.

Abstract: The invention relates to an exhaust gas treatment device for an exhaust system of a combustion engine, more preferably of a road vehicle, with a housing enveloping at least one interior space, and with at least one through-pipe penetrating the interior space without interruption and which at two fastening points distant from each other is connected to the housing in a fixed manner. For compensating thermally related expansion effects the through-pipe between the fastening points can comprise at least one expansion compensation section, in which a wall of the through-pipe comprises slits penetrating the wall alternating in circumferential direction and strips protruding relative to adjacent wall sections of the through-pipe.

Abstract: A method for predefining a rotational speed of a drive machine of a drive system is disclosed. The method involves at least the drive machine and a hydrostatic drive unit, wherein the rotational speed which is to be predefined for the drive machine is determined as a function of an instantaneous system state and a predicted system state of the drive system.

Abstract: The device to actively control the vibrations of an articulated arm consisting of a plurality of segments each comprising at least its own actuator associated with a hydraulic drive circuit including a block valve. At least one of said actuators is associated with an hydraulic control circuit of the vibrations, comprising at least a sensor able to detect the vibrations and/or the position of one or more segments, a processing unit to process the signals of the sensor/sensors and a pump commanded by the electronic command board and cooperating with said block valve. The hydraulic control circuit is associated with the hydraulic drive circuit.

Abstract: A drive train configuration is disclosed. The drive train incorporates an engine having hydraulic pumps contained substantially inside the engine housing and with an engine shaft driving the hydraulic pumps. A porting block or center section is mounted to the engine housing to provide hydraulic communication between the hydraulic pumps located inside the engine housing and hydraulic motors located outside the engine housing. The hydraulic motor output shafts drive gears connected to axles to propel a vehicle.

Abstract: Propelling device or engine to transform potential energy into power, using the forces produced movement of a liquid surface or fluid or similar, more specifically, the device is made arranged means to exploit synergistic four forms of surface displacement of the fluid wave, objectively the upward, downward, forward wave toward the shore and pulling inward, in order to produce conventional and renewable energy more efficient than currently used systems with minimal mechanical efforts, whose employment is varied, for pumps, single or hydraulic; to generate electricity, to generate the movement of maritime vessels of any size or movement of vehicles or land machinery land, for hydropower generation, etc.

Abstract: A device that converts wave energy to electrical or chemical energy includes a buoy adapted to float on a water surface, a venturi tube, and a rigid or flexible means of connecting the buoy and the venturi tube. The venturi tube defines a lumen through which water flows downwardly when the buoy moves upwardly and upwardly when the buoy moves downwardly. A constriction is formed in the lumen to create a venturi effect for water flowing upwardly and downwardly through the lumen. A turbine is positioned in the lumen at the constriction where water flow is at a maximum rate. The turbine is connected to a generator so that the venturi effect is harnessed to generate power. Multiple embodiments are included.

Abstract: In order to make the idle stroke which occurs as small as possible in a master cylinder, in particular for a clutch, actuating or brake system of a vehicle, comprising a cylinder housing with a piston bore, a piston arranged in the piston bore and having an end side facing a cylinder chamber and at least one afterflow opening which leads from a piston skirt surface through a piston wall to the cylinder chamber at a distance from the end side and adjoins an afterflow space in a pressure equalization position of the piston so that in the pressure equalization position hydraulic medium can run on into the cylinder chamber in order to equalize the pressure, and an inner sealing element which is arranged between the housing and the piston in the area of the piston bore and limits the cylinder chamber, it is suggested that the afterflow space be arranged between the sealing element and the piston skirt surface on a side of a sealing lip of the sealing element facing away from the cylinder chamber and that in the pr

Abstract: A method for reducing turbolag in a turbocharged internal combustion engine includes demanding torque for shifting the internal combustion engine from a stationary engine mode to a transient engine mode, closing an exhaust gas recirculation (EGR) valve during the transient engine mode, repositioning guide vanes of a Variable Geometry Turbine (VGT) turbo unit from a first position when in the stationary engine mode to a second position when in the transient engine mode, increasing a duration of overlapping of at least one inlet valve and at least one outlet valve provided in a cylinder head of the internal combustion engine from as first duration when in the stationary mode to a second duration when in the transient mode for increasing the amount of air flowing from an inlet manifold to an exhaust manifold and thereby increasing acceleration of a turbine of the VGT turbo unit.

Abstract: A method of controlling airflow of an engine system is provided. The method includes determining a supercharger operating mode and a turbocharger operating mode based on engine load; selectively generating a control signal to a turbocharger based on the turbocharger operating mode; and selectively generating a control signal to a supercharger bypass valve based on the supercharger operating mode.

Abstract: An exemplary turbocharger system for an internal combustion engine is provided. The turbocharger system includes a first turbine and a second turbine. The first turbine is in fluid communication with the internal combustion engine. The first turbine receives a first portion exhaust gas discharged from the internal combustion engine and provides a first turbine exhaust gas. The second turbine is in fluid communication with the first turbine via an inter-stage channel. The inter-stage channel transports the first turbine exhaust gas from the first turbine to the second turbine. The inter-stage channel is in thermal connection with an exhaust gas recirculation channel defined between an inlet and an outlet of the internal combustion engine. The first turbine exhaust gas flowing through the inter-stage channel is capable of being heated by a second portion exhaust gas discharged from the internal combustion engine and flowing through the exhaust gas recirculation channel.

Abstract: A waste heat retrieval system of a vehicle may include a reservoir disposed in a lower side of a exhaust gas boiler and in which a predetermined space is formed, a retrieval line that connects the exhaust gas boiler with the reservoir, a retrieval supply control valve disposed to open or close the retrieval line, and a control portion that controls the retrieval supply control valve to open the retrieval line such that working fluid of the exhaust gas boiler is returned to the reservoir if a retrieval condition is satisfied. Accordingly, the working fluid of the exhaust gas boiler in a waste heat retrieval system may be retrieved to the reservoir and therefore the freezing problem of the working fluid can be substantially resolved.

Abstract: Systems and methods for model based steam flow control to and/or through a steam turbine component are disclosed. In one embodiment, a system includes: at least one computing device configured to control a steam flow in a power generation system by performing actions comprising: generating a flow model for the steam flow based at least in part on operational data about the steam flow in the power generation system; and adjusting a characteristic of the steam flow based upon the flow model.

Abstract: An optimized Rankine thermodynamic cycle system and method include utilizing a working fluid including a base component and an effective amount of a lower boiling point component, where the effective amount is sufficient to raise a power utilization efficiency of the systems by up to 10%, without changing a weight of the fluid reducing turbine efficiency for the particular base component and for optimizing output control valves for adjusting the working fluid composition and temperature sensors measuring an initial temperature of a coolant medium and a final temperature of a heat source stream to computer control valves to continuously adjust a pressure and a flow rate of a working fluid stream to be vaporized so that a heat utilization of the system is about 99% increasing output by approximately 3% to 6% on a sustained and permanent yearly basis.

Abstract: A steam power plant is provided. The steam power plant includes a bypass pipeline which connects the fresh steam line flow to the exhaust steam line, wherein a bypass steam cooler is disposed in the bypass pipeline. In the event of an emergency stop, or a startup, or a shutdown, the bypass steam cooler cools the steam flowing into the bypass pipeline, whereby cheaper materials may be used for the bypass pipeline.

Abstract: A turbine fuel supply system is disclosed as including a first sub-system having: a first nozzle for injecting fuel into a combustor of a turbine engine; a first valve controllable to communicate fuel to the first nozzle; and a first fuel manifold for communicating fuel to the first valve from a fuel source; the system further including a controller assembly for raising the pressure of fuel in the first fuel manifold; and the system being characterized in that the first valve is adapted to open in response to a predetermined pressure difference between the first fuel manifold and the pressure in the combustor, thereby allowing fuel to be communicated from the first fuel manifold to the first nozzle. The system may include a first recirculating conduit in fluid communication with the first fuel manifold and the fuel source, the first recirculating conduit allowing fuel not communicated by the first valve to be returned to the fuel source.

Abstract: A system includes a fuel nozzle. The fuel nozzle includes a center body configured to receive a first portion of air and to deliver the air to a combustion region. The fuel nozzle also includes a swirler configured to receive a second portion of air and to deliver the air to the combustion region. The swirler includes an outer shroud wall, an inner hub wall, and a swirl vane. The swirl vane includes a radial swirl profile at a downstream edge of the swirl vane. The radial swirl profile includes a region extending from the outer shroud wall to a first transition point and a second region extending from the transition point to the inner hub wall. At least one of the first and second regions is substantially straight and at least one of the first and second regions is arcuate.

Abstract: A turbomachine includes a compressor section, a combustor operatively connected to the compressor section, an end cover mounted to the combustor, and an injection nozzle assembly operatively connected to the combustor. The injection nozzle assembly includes a plurality of mixing tube elements. Each of the plurality of mixing tube elements includes a conduit having a first fluid inlet, a second fluid inlet arranged downstream from the first fluid inlet, a discharge end arranged downstream from the first and second fluid inlets, and a vortex generator arranged between the first and second fluid inlets. The vortex generator is configured and disposed to create multiple vortices within the conduit to mix first and second fluids passing through each of the plurality of mixing tube elements.

Abstract: Combustion systems and the related methods operate to supply a stream of combustion products to a turbine in a gas turbine engine by forming an outer recirculation zone of recirculating combustion products within a combustor and by forming an inner recirculation zone inboard of the outer recirculation zone. The inner and outer recirculation zones are formed by imparting swirl to compressor discharge air passing through an outer air swirler and an inner air swirler radially inboard of the outer air swirler. Fuel is injected from an outer fuel injector into the outer recirculation zone, and fuel is also injected from an inner fuel injector into the inner recirculation zone.

Abstract: A system includes a gas turbine combustor, which includes a combustion liner disposed about a combustion region, a flow sleeve disposed about the combustion liner, an air passage between the combustion liner and the flow sleeve, and an aerodynamic mounting assembly disposed in the air passage. The aerodynamic mounting assembly is configured to retain the combustion liner within the flow sleeve. The aerodynamic mounting assembly includes a flow sleeve mount coupled to the flow sleeve and a liner stop coupled to the combustion liner. The flow sleeve mount includes a first portion of an aerodynamic shape and the liner stop includes a second portion of the aerodynamic shape, which is configured to direct an airflow into a wake region downstream of the aerodynamic mounting assembly. The flow sleeve mount and the liner stop couple with one another to define the aerodynamic shape.

Abstract: A turbine power plant employs a radial staging of a liquid injection system to provide a uniform fluid distribution, for use in wet compression. The liquid injection system can be actuated to inject liquid to various radial regions of an air intake case of the turbine power plant. During a stage one actuation, liquid is directed to a first radial region of the air intake case. During a stage two actuation, liquid is directed to the first radial region and also to a second radial region of the air intake case.

Abstract: A starting process for a gas turbine (28) that holds the turbine speed of rotation at an ignition speed setting during an ignition window (58), with the ignition speed setting being based on ambient air conditions to achieve a specified combustor air mass flow rate (52). A fuel flow rate may be set based on the fuel type and temperature to achieve a particular air/fuel ratio in a combustor. The fuel flow rate may be adjusted during the ignition window and thereafter based on a combustor inlet air temperature (46). Completion of ignition may be determined by a reduction (68) in a blade path temperature spread (66). After ignition, fuel flow is increased to accelerate the turbine to full speed. At any point, the fuel flow may be reduced, or its increase may be slowed, to avoid exceeding a temperature limit in the turbine.

Abstract: In a testing overspeed protection system: a) on receiving an order to start a turbomachine, an electronic regulation system (ERS) of the turbomachine sends an order to a control circuit of a fuel cutoff member to close the fuel cutoff member or to keep it in the closed position; b) the closed state of the FCM is verified on the basis of information transmitted to the ERS and representative of the position of the FCM; c) if the result of the verification in b) is positive, the ERS sends an order to the FCM control circuit to authorize opening of the FCM and enable the starting procedure to continue; and d) if the result of the verification in b) is negative, the ERS issues fault information concerning the overspeed protection system.

Abstract: The present invention relates to a flow discharge device (30) for discharging a flow of gas (F) from a first gaseous fluid (A) into a second gaseous fluid (B) which is of a lower pressure than the first gaseous fluid. The discharge device comprises a valve (34) disposed between the first and second gaseous fluids and arranged to regulate the discharge flow (F) and a swirler means (50) disposed between the valve (34) and the second gaseous fluid. The swirler means (50) comprises a plurality of radially extending circumferentially spaced vanes (61, 63, 65). In use the swirler means (50) swirls the discharge flow (F). This acts to reduce the energy, and therefore the pressure of the discharge flow. This results in quieter operation.

Abstract: An annular combustion chamber for a turbomachine presenting an axial direction, a radial direction, and an azimuth direction, the combustion chamber including a first annular wall and a second annular wall, each annular wall defining at least a portion of an enclosure of the combustion chamber. The first annular wall and the second annular wall present complementary assembly mechanisms that co-operate by engagement in azimuth.

Abstract: A seal assembly for a turbojet nacelle includes a first end fastened to a first structure, and a second end contacting against a bearing zone of a second structure. The seal assembly further includes a plurality of adjacent blades arranged along the first end and extending longitudinally and perpendicularly thereto. In particular, a portion of the blades has an accordion-shaped structure.

Abstract: Thermoelectric-enhanced air and liquid cooling of an electronic system is provided by a cooling apparatus which includes a liquid-cooled structure in thermal communication with an electronic component(s), and liquid-to-liquid and air-to-liquid heat exchangers coupled in series fluid communication via a coolant loop, which includes first and second loop portions coupled in parallel. The liquid-cooled structure is supplied coolant via the first loop portion, and a thermoelectric array is disposed with the first and second loop portions in thermal contact with first and second sides of the array. The thermoelectric array operates to transfer heat from coolant passing through the first loop portion to coolant passing through the second loop portion, and cools coolant passing through the first loop portion before the coolant passes through the liquid-cooled structure. Coolant passing through the first and second loop portions passes through the series-coupled heat exchangers, one of which functions as heat sink.

Abstract: The invention relates to a cryogenic storage device and to a method for operating a cryogenic storage device, particularly for cryogenic storage of biological samples, comprising a sample carrying device that is set up to accommodate samples, a cryogenic container that is set up to accommodate the sample carrying device, a container cooling device with which the cryogenic container can be cooled, an intermediate storage container that is set up for intermediate storage of the sample carrying device, a transport device with which the sample carrying device can be moved between the cryogenic container and the intermediate storage container and a sensor device with which at least one operating parameter of the cryogenic storage device can be registered.

Abstract: An ice piece release and formation system (and associated methods) including a chilled compartment, a warm section, a tray in thermal communication with the chilled compartment, and a reservoir assembly in thermal communication with the warm section. The tray includes ice piece-forming receptacles and a cavity in thermal communication with the receptacles. The reservoir assembly includes chambers in fluid communication with the cavity and a driving body for moving the chambers. The system further includes a heat-exchanging fluid that resides in the chambers and the cavity of the tray. The driving body and the reservoir assembly are further adapted to move each of the chambers to a position above the cavity, and the other of the chambers to a position below the cavity, such that the fluid within the chamber positioned above the cavity flows into the cavity.

Abstract: A refrigerant system operates in an environment defined by three distinct temperature levels, such as, for instance, the outdoor ambient temperature level, the indoor temperature level and the refrigeration temperature level. The refrigerant system is provided with an air-to-refrigerant heat exchanger located within the general indoor environment and connected to receive the flow of refrigerant from a heat rejection heat exchanger. The air-to-refrigerant heat exchanger gives off heat to the indoor air and in the process further cools the refrigerant flowing to an expansion device to thereby increase the cooling effect provided by an evaporator to the refrigeration area. Provisions are also made to partially or entirely bypass the air-to-refrigerant heat exchanger and/or the heat rejection heat exchanger, on a selective basis.