Abstract: In a control device of a vehicle including a first power transmission path transmitting a power through a belt-type continuously variable transmission and a second power transmission path transmitting a power through a reduction gear mechanism in parallel between an input shaft and an output shaft and including a dog clutch in series with the reduction gear mechanism in the second power transmission path, when the dog clutch is in an engagement transition state and a rotational speed change of the output shaft is equal to or greater than a predetermined value, the engagement transition state of the dog clutch is canceled to release the dog clutch.

Abstract: An automatic transmission that includes a lubricating oil supply source that supplies lubricating oil; a plurality of friction engagement elements that can attain a plurality of shift speeds according to combinations of the friction engagement elements to be engaged simultaneously; a plurality of hydraulic servos that engage and disengage the plurality of friction engagement elements according to whether an oil pressure is supplied thereto or not; and a rotary shaft that can transmit power.

Abstract: Disclosed is a transmission having: an input shaft configured to rotationally communicate with a gas turbine engine; an output shaft configured to rotationally communicate with an aircraft accessory; and a gear system connected between the input shaft and the output shaft, the gear system including: a plurality of clutches that are axially aligned and radially offset, the plurality of clutches configured to engage in parallel the output shaft and shift the transmission to generate a plurality gear speeds; and a plurality of pistons that are configured to engage the respective plurality of clutches, the plurality of pistons being hydraulically controlled and adapted to receive fluid from a respective plurality of ports in the output shaft.

Abstract: A shift by wire parking system includes a park gear including a gear body and a plurality of teeth. The teeth are circumferentially spaced from one another. The park gear defines a plurality of void spaces between each pair of the plurality of teeth. The shift by wire parking system includes a circumferential body sized to fit inside each of the plurality of void spaces to lock a position of the park gear. The circumferential body is movable towards and away from the park gear between an engaged position and a disengaged position. In the disengaged position, the circumferential body is disposed outside each of the plurality of void spaces, thereby allowing the park gear to rotate. In the engaged position, the circumferential body is disposed inside one of the void spaces to lock the position of the park gear.

Abstract: A dust cover is provided that is attached to a ball joint in which a spherical portion in a stud having the spherical portion and a shaft is accommodated in a socket and a knuckle is fastened into the shaft and is provided with a large diameter opening fixed to the outer peripheral surface of the socket, a small diameter opening attached to the shaft part of the stud, and a film portion connecting the large diameter opening and the small diameter opening. The small diameter opening is provided with a seal portion in close contact with the outer peripheral surface of the shaft and a contact portion in close contact with the knuckle. In the contact portion, a foreign matter discharge groove discharging external foreign matter which tends to accumulate on the small diameter opening to the outside are formed.

Abstract: A piston includes a piston body and a piston ring fitted into a ring groove. The piston ring has a top surface that includes: a convex portion formed between an inner edge position and a central position at which a radial direction thickness is ½, with the piston ring in a free state, and a planar portion or an inclined peripheral portion continuous with the convex portion on a radially outer side of the convex portion. In a predetermined status of the piston body and the piston ring, an angle between the top surface of the ring groove and the planar portion or the inclined peripheral portion is at least 18 arcminutes in a cross-section that is parallel to a central axis of the piston body and includes the central axis.

Abstract: New methods and devices are described that are aimed at preventing the outbreak of fire in a hydraulic rotor brake. These methods and devices can be used in the rotor brake of a helicopter and comprise a first and second seal, with a drain groove positioned in between these two seals to drain leaked fluid away from the hot parts of the brake. In the brakes described, the second seal is positioned closer to the heat sink of the brake than the first seal. The drain groove is also connected via a channel or channels to a drain outlet or outlets.

Abstract: A shaft sealing structure for a rotation shaft, includes a sealing ring having ends formed by removal of its part. The ends abutting each other are continuous in the circumferential direction when the sealing ring is reduced in diameter to a radially inner side. The sealing ring is provided along the circumferential direction of the rotation shaft so as to be contactable with an outer peripheral surface of the rotation shaft. The structure also includes a pressing member configured to be movable between a pressing position and a retracted position; an elastic member configured to bias the pressing member toward the pressing position by elastic force; and a support member configured to support the pressing member at the retracted position against the elastic force, and to allow the pressing member to move to the pressing position at a predetermined temperature.

Abstract: A seal including a metal annular body having an inner diameter and an outer diameter, the annular body including a main body portion including a first lip extending axially from the main body portion, the first lip adapted to provide a radial seal; and a second lip extending radially from the main body portion toward the outer diameter, the second lip adapted to provide an axial seal.

Abstract: A method for refurbishing an assembly having a first component and a second component is provided. The first component has a fore portion welded to the second component and a flared aft portion in proximity with the second component. The method includes processing the assembly such that the flared aft portion and a part of the fore portion proximal to the flared aft portion of the first component is subject to peening until the flared aft portion is plastically deformed from an initial position to a desired final position with respect to the second component.

Abstract: A method for preparing extruded material for processing to form sealings and/or edge protection strips on vehicle bodies, where the extruded material to be prepared, which is substantially of an elastomer substance, includes a covering strip protecting an adhesive layer and extending in the longitudinal direction of the extruded material. The covering strip has sub-sections that are connected to each other on the abutment ends thereof. The covering strips are detached from the adhesive layer and are reconnected to the adhesive layer, optionally in such a way that they are offset to the longitudinal direction of the extruded material. If the offsetting is carried out, the abutment ends of the sub-sections of the covering strip are arranged such that they are offset in relation to the original position thereof on the adhesive layer.

Abstract: An object of the invention is to provide a method of controlling a gate valve that operates the gate valve in a short time while suppressing vibration of the valve body. A method of controlling a gate valve provided on an opening of a chamber, wherein the gate valve includes a valve body that opens and closes so as to close the opening of a chamber, a valve seat provided on the edge of the opening to which the valve body is pressed, and a sealing material for sealing between the valve body and the valve seat. The invented method is characterized in that, in moving the valve body to the open position from the closed position where the valve body is pressed against the valve seat with the sealing material compressed, the valve body is made to stop temporarily for a predetermined time at the position immediately before the compressed sealing material is pulled apart or immediately after pulled apart in the opening movement of the valve body.

Abstract: A rotary valve is provided for use in highly corrosive and abrasive applications. The valve includes a valve body and an adapter coupled to one end of the valve body, thereby defining an inlet, an outlet, and a valve interior in fluid communication with the inlet and the outlet. The valve also includes a floating ball element pivotably mounted in the valve interior via a valve stem to control fluid flow through the valve, a first valve seat movably disposed in the valve interior, and a second valve seat removably disposed in the valve interior. The first valve seat is biased toward the ball element to sealingly engage a first portion of the ball element. The second valve seat is configured to sealingly engage a second portion of the ball element and is clamped between a surface of the valve body and a surface of the adapter.

Abstract: A press type valve core has a case, a pressing structure, a stem seat and a valve stem, wherein, the pressing structure is configured on one end of the case, and the other end of the case is communicated with a water supply pipe, the case is formed with two water outlets on its two ends, and the internal portion of the case is formed with first and second cavities, the stem seat is configured inside the case, the valve stem is configured inside the second cavity, and the valve stem is pivoted on the stem seat, to shift between the blocked and communicated state of the flow path between the first cavity and the second cavity. The valve stem uses a plurality of supporting wings to avoid biased abrasion and wearing between the valve stem and the stem seat, and to enhance reliability in controlling the flow path.

Abstract: A system for stopping flow in a pipe with a plug positioned in the pipe to allow for repairs of the pipe. The plug comprises a body with an inflatable or compressible member, and a cap and connector valve on the body. An inflation line with a coupling connects to the valve for blocking off and sealing a damaged area of the pipe. An inflation line is used to deposit and retrieve the plug within the pipe before and after a repair is made.

Abstract: A fluid valve includes a valve body, and a valve plug disposed in the valve body. The valve body includes a base and a cylindrical sidewall that together define a valve plug chamber. The valve body includes valve ports. The valve plug is rotatable relative to the valve body about a rotational axis. The valve plug supports an annular seal in such a way that, a) for certain orientations of the valve plug with respect to the valve body, the seal abuts and inner surface of the sidewall and provides a fluid-tight seal between the valve plug and the valve body, and b) during rotation of the valve plug relative to the valve body, the seal is moved relative to the valve body along a circular path. At least one of the valve ports includes a guiding feature that guides the seal along the circular path.

Abstract: A backflow prevention assembly is disclosed including a backflow prevention valve having a valve housing including a valve inlet end and a valve outlet end; a spool spacer of predetermined length having a first end and a second end; an inlet shut-off valve; and an outlet shut-off valve, wherein the spool spacer extends between the backflow prevention valve and one of the inlet shut-off valve and the outlet shut-off valve. The entire assembly, including the backflow prevention valve, the spool spacer, the inlet shut-off valve, and the outlet shut-off valve, is a certified assembly, certified by a certifying authority prior to installation. Methods of manufacturing a backflow prevention assembly and replacing a backflow prevention assembly are also disclosed.

Abstract: The present invention is directed to improved assembly for transporting flammable fluids. In an example, the assembly comprises a conduit, a liner, and a core. The liner comprises a material that contracts in response to an elevation in temperature. In an example, the liner comprises a material that expands in response to an elevation in temperature.

Abstract: A multistage automated thermally actuated valve utilizing a thermally expansive substance to substantially close the valve at a first temperature and a spring to open the valve at a second, lower temperature. A multistage automated valve comprising a first thermal assembly to balance fluid flow at a first temperature and a second thermal assembly to balance fluid flow at a second temperature in order to balance fluid flow in a system operated at a first temperature as well as at a second temperature. A method of utilizing an automated thermally actuated valve to balance and manage hot water supply in a piping system.

Abstract: A fluidic valve for switching between different fluid coupling states includes a stator having at least one fluidic stator interface, a rotor having at least one fluidic rotor interface, wherein the rotor is rotatable relative to the stator to thereby switch the fluidic valve between a plurality of different fluid coupling states between the at least one fluidic stator interface and the at least one fluidic rotor interface, and a force transmission mechanism configured for pressing the stator and the rotor together by a contactless force transmission to provide for a fluid tight sealing between the stator and the rotor.

Abstract: A low profile solenoid cartridge valve with replaceable spool preferably includes a valve body, a valve spool, a spool return spring, a solenoid coil, a solenoid plunger and plunger return spring. The valve body includes a spool body, a solenoid body and a threaded manifold end. A spool inner diameter is sized to receive the valve spool. The valve spool includes a chamfered neck. A plunger bore is formed through the solenoid body to receive the solenoid plunger. The solenoid coil includes a coil body and an electrical connector. A solenoid counter bore is formed in the solenoid body to receive the coil body. A chamfered slot is formed on one end of the solenoid plunger. The chamfered slot engages the chamfered neck of the valve spool and forces the valve spool upward to open a flow path in a valve manifold.

Abstract: An electro-pneumatic valve assembly includes a valve having a valve housing and a poppet and a solenoid valve having an actuator housing and a valve body. The valve housing has a wall that defines a valve inlet that is arranged to receive a fluid flow from a pressurized container and defines a valve outlet and a first port. The poppet is disposed within the valve housing and is movable between a first position and a second position. The actuator housing defines an opening. The valve body has a first wall that defines an inlet that is fluidly connected to the first port and a second wall that defines an outlet that is fluidly connected to the second port.

Abstract: According to one aspect, embodiments of the invention provide a self-aligning connector system for connecting an actuator to a valve body of a valve, comprising an actuator adapter plug having a conical protrusion and a peripheral groove formed in an outer surface of the actuator adapter plug, and a valve adapter sub-assembly comprising an outer housing having a bore configured to receive the actuator adapter plug, and an expansion spring coupled to the outer housing and configured to provide radial pressure on the outer housing to receive the conical protrusion of the actuator adapter plug and latch onto the peripheral groove.

Abstract: A spool valve arrangement comprising a spool arranged for linear movement within a bore to regulate flow of fluid through the bore according to the linear position of the spool relative to the bore, the spool having an end arranged to be engaged, in use, by a drive member to cause the linear movement, the spool valve arrangement further comprising a sliding block component moveably attached to the spool end and arranged to engage with the drive member, in use, such that the drive member engages with the spool end via the sliding block component and the sliding block component moves relative to the spool to compensate for non-linear movement of the drive member.

Abstract: A fluid control system to control fluid flow within a drainage system is provided that includes a fluid control device configured to couple to an interior wall of a cylindrical structure of the drainage, and a coupling mechanism configured to couple the fluid control device to the interior wall, wherein, while in a resting state, the fluid control device is configured to at least partially cover an aperture of the interior wall. When fluid contacts the fluid control device at a flow rate of at least a flow threshold, the fluid control device is configured to at least partially uncover the aperture of the interior wall. The fluid control device has a spherical shape, wherein a diameter of the fluid control device has a diameter that is greater than or equal to a diameter of the aperture.

Abstract: Apparatus (10) for the controlled delivery of a gas from a mobile container (11) that comprises a connection unit (12) configured to connect a unit, to measure and regulate the flow (35) of the gas to the container (11) and a management unit (32) configured to control and manage the unit to measure and regulate the flow (35), on the basis of information correlated to a quantity of the gas to be delivered.

Abstract: A CNG leak detection system has a plurality of CNG tanks. A plurality of control valve mechanisms, equal in number to the plurality of CNG tanks, is coupled with each CNG tank. A sensor is coupled with each control valve mechanism. The sensor monitors the CNG in the tank. A processor is electrically coupled with the sensor. A display is coupled with the processor to display the sensed condition of at least one desired tank of the plurality of tanks.

Abstract: An example valve includes: (i) a valve body defining a first longitudinal bore therein and including a first inlet, a second inlet, and an outlet; (ii) a cage disposed in the first longitudinal bore coaxial with the valve body, where the cage defines a second longitudinal bore therein; (iii) a pin mounted and extending longitudinally within the second longitudinal bore at an end of the cage adjacent to the first inlet; and (iv) a spool shiftably mounted within the second longitudinal bore and configured to move axially therein to shift between a first position and a second position. The spool includes a blind hole formed at an end thereof facing the pin and coaxial therewith, such that as the spool shifts from the second position to the first position, a portion of the pin is received within the blind hole of the spool.

Abstract: An adjustable mounting apparatus is disclosed for securing devices to a wall, such as speakers and the like, and includes a cable pass through for routing associated device cables through the wall. The adjustable mounting apparatus includes a rigid frame with a lip having an opening therein, a rearward extending sidewall surrounding the opening, and rearwardly extending guide members extending rearward from said sidewalls and terminating at their ends into a cross-member. To secure the rigid frame to a wall the guide members including attached clamp arms are passed through a hole in the wall and the clamp arms are rotated to draw the clamp arms toward the rear surface of the wall while thereby forcing the front lip of the mounting apparatus against the front surface of the wall to secure it thereon. A rigid mounting plate is snap fit into the opening and includes a load arm adjustable within the mounting plate for angular adjustability of an attached device.

Abstract: An assembly includes a flexible tubular member having a medial portion defined between a first end and a second end of the tubular member. The assembly further includes an end cap molded over the first end of the tubular member, such that the end cap seals the first end of the tubular member. The assembly additionally includes a fitting having a first end portion configured to secure to the second end of the tubular member and a bracket attached to the medial portion of the tubular member. The bracket is configured to mount to a structure adapted to secure at least one end of the tubular member in place.

Abstract: A riser clamp assembly for receiving and supporting an insulated pipe. The clamp assembly includes a first riser clamp and a second riser clamp. Each of the riser clamps includes a semi-circular body portion extending arcuately between opposite first and second ends and defining an inner cylindrical wall and an outer cylindrical wall extending axial between top and bottom edges. A generally C-shaped flange projects radially from the inner cylindrical wall generally midway between the top and bottom edges to define an axial center opening. A support brace extends radially from the outer cylindrical wall adjacent each end of the body portion for interconnecting the first and second riser clamps around the insulated pipe.

Abstract: A tube holder includes at least a set of clamping members having circular arc-shaped clamping concave portions, a spindle pivotably supporting end portions on one side along the circular arcs of the clamping members in a state where the clamping concave portions facing curvature center sides of the respective circular arcs face each other, and a biasing member pivoting and biasing end portions of the other side along the circular arc of the clamping member in a direction of mutual approaching.

Abstract: Example aspects of riser support assembly and a method for adjusting a riser support assembly are disclosed. The riser support assembly can comprise a riser support pipe and a mount extending from a side of the riser support pipe, the mount configured to engage a mounting surface and to selectively adjust a height of the riser support assembly relative to the mounting surface.

Abstract: Provided is a method of determining whether a multilayer tubular structure (MLT) satisfies an extractables test by filling the multilayer tubular structure MLT with an alcohol-containing petrol of FAM B type to obtain a filled MLT and measuring the amount of extractable material. The MLT satisfies the extractables test when the residue of the filtrate is less than or equal to 6 g/m2 of the inner surface area of the MLT.

Abstract: Provided is a method for heating or cooling a liquid or a body by means of a vapor compression circuit containing a heat transfer fluid. The vapor compression circuit element includes at least one layer that includes copolyamide of formula X/10.T/Y, where the structural variables are described herein.

Abstract: A non-metallic cabling continuous oil pipe, relating to the technical field of oil mining in oil fields, is disclosed. Said oil pipe includes an inner liner tube, the inner liner tube which is used to form a passageway for medium transportation. An outer wall of the inner liner tube is provided with a cable embedded layer and a protection sleeve in sequence, the cable embedded layer including cables and a plurality of reinforcement belts. The reinforcement belts are used to resist torsional deformation and to bear an axial tension. The protection sleeve is used to prevent the cables from being worn.

Abstract: Flexible fluid connection systems are provided with misalignment management, vibration attenuation and compact packaging for a variety of applications. A fluid connection system includes a component that operates using a fluid. The component defines a surface and a passageway containing the fluid and opening through the surface. A fluid line is configured to convey the fluid relative to the component. A connector is made of a flexible material and is connected with the component and with the fluid line. The connector is positioned against the surface and has an end spaced away from the surface through which the fluid line is received.

Abstract: A backflow prevention assembly is configurable with varying lay-lengths and orientations. The assembly includes coupling assemblies and valve bodies that adjust in length and/or rotation to allow for the varying lay-lengths and orientations of the backflow prevention valves and assemblies with and without certification. A coupling assembly is connected to a backflow prevention valve and includes an outer sleeve and an inner sleeve that is slidingly received within the outer sleeve. The lay-length is adjusted by slidably moving the inner and outer sleeves with respect to one another.

Abstract: A quick connect fluid connector that is detachably connectable to a fluid system to process a gas into or from the fluid system through the quick connect fluid connector. The quick connect fluid connector includes one or more temperature sensors that can sense the temperature of the gas within the fluid connector during processing. Based on the sensed temperature(s), an alert can be generated to alert a human operator conducting the processing and/or automatically shut-off the processing if the sensed temperature becomes too high. The operator will therefore be alerted if the cylinders are being processed too quickly or if the processing duration could be shortened.

Abstract: A pipe coupling for connecting adjacent pipes. The pipe coupling has a connection type at each end that may be male or female. A female end may have an interior surface defining a receiving chamber. An interior circumferential groove is formed in the interior surface in which a band is seated. A plurality of rigid fingers is extends from the band into the receiving chamber. The receiving chamber receives a male end of an adjacent pipe, the male end having an exterior surface. An exterior circumferential groove is defined on the exterior surface to receive the plurality of rigid fingers. A variety of connection types and combinations are disclosed. The female end may define a sight window to permit viewing of the position of a male end of an adjacent pipe. The receiving chamber may have a reduced diameter proximate to the middle of the coupling to improve sealing.

Abstract: A fluid plug for use with sterile processes such as the manufacture or production of pharmaceuticals and biologics is disclosed. The fluid plug is made of a material or materials that will tolerate sterilizing processes such as gamma irradiation. The fluid plug is used to selectively plug the ends of flexible polymer conduits that may be connected to fluids, reagents, or products used or generated as part of the manufacturing process. Also disclosed is the use of the plugs in combination with a series of valves in a block-and-bleed arrangement to enable the sterile transfer and connection of fluids, reagents, or products within a process flow.

Abstract: A Cured In Place Pipe System includes a tubular substrate constructed of needle-punched fibers of carbon, aramid and thermoplastic. The tubular structure defines a longitudinal channel running along the length. Within the channel is an air bladder, preferably including an air duct. The tubular substrate is enclosed within a loose-fitting protective film. The tube is preferably constructed with multiple overlapping layers that aren't permanently bound, thereby allowing for circumferential expansion to accommodate various host pipe sizes, shapes, and configurations. The integrated thermoplastic has a melt/flow point of approximately 300-342° F., a cure point of approximately 330-370° F., and bonding point of approximately 372-412° F. at approximately 5-20 psi.

Abstract: A robotic apparatus comprising first, second, and third wheel assemblies, and a clamping mechanism configured to apply a force for urging the second wheel and the third wheel to pivot in opposing directions towards a plane of the first wheel for securing the first wheel, the second wheel, and the third wheel to the pipe, each wheel assembly including an alignment mechanism for adjusting an orientation of the wheels to allow the robotic apparatus to move along a straight path or a helical path on the pipe. A method for navigating an obstacle on a pipe comprising advancing the robotic apparatus along a helical pathway on the pipe to position an open side of the robotic apparatus in longitudinal alignment with the obstacle, and advancing the robotic apparatus along a straight pathway on the pipe such that the obstacle passes unobstructed through the open side of the robotic apparatus.

Abstract: A method for controlling a carrier includes obtaining a motion characteristic of the carrier. The motion characteristic is indicative of a type of a payload being supported by the carrier. The carrier is configured to support a plurality of different types of payload including the type of the payload being supported by the carrier. The method further includes selecting a set of control parameter(s) from a plurality of different sets of control parameter(s) based on the motion characteristic. Each individual set of control parameter(s) of the plurality of different sets of control parameter(s) is suitable for controlling the carrier to support one of the plurality of different types of payload. The method also includes controlling movement of the carrier according to the selected set of control parameter(s).

Abstract: Disclosed is an electronic gimbal with camera and mounting configuration. The gimbal can include an inertial measurement unit which can sense the orientation of the camera and three electronic motors which can manipulate the orientation of the camera. The gimbal can be removably coupled to a variety of mount platforms, such as an aerial vehicle, a handheld grip, or a rotating platform. Moreover, a camera can be removably coupled to the gimbal and can be held in a removable camera frame. Also disclosed is a system for allowing the platform, to which the gimbal is mounted, to control settings of the camera or to trigger actions on the camera, such as taking a picture, or initiating the recording of a video. The gimbal can also provide a connection between the camera and the mount platform, such that the mount platform receives images and video content from the camera.

Abstract: An extension arm device includes first and second joint brackets and two linking arms pivotally connected therebetween to form a four-linkage mechanism. Each linking arm includes two parallel side walls and a cover wall interconnecting the side walls. Each side wall of at least one linking arm has a side reinforcement structure which is embossed from an inner or outer wall surface and which extends in a lengthwise direction so as to enhance the structural stiffness of the side wall.

Abstract: A grease gun is provided comprising a body having a reservoir bore with a plurality of grooves; a grease reservoir is in communication with the reservoir bore and has a reservoir groove on an outside surface of the reservoir. A retention fastener is received by a groove and is in operational engagement with the reservoir groove to removably retain the reservoir. The retention fastener may be connected to a fastener bracket via an aperture. The bracket is connected to a push-button via a connection mechanism. The grease reservoir may be removed or mounted to the connection aperture by exerting force on the button which transfers the force to the bracket via the connection mechanism. The force causes movement of the bracket along the aperture which deforms the retention fastener to allow the grease reservoir to be mounted/removed.

Abstract: A grease discharge device includes a motor, a plunger, a grease supply unit, a pump, a check valve, and a relief valve. The plunger reciprocates by driving of the motor. The grease supply unit supplies grease to a forward movement side with respect to a backward movement side dead center of the plunger. The pump performs a discharge behavior of the grease by the reciprocation of the plunger. The check valve is disposed at a downstream side with respect to a forward movement side dead center of the plunger in a discharge path of the grease inside the pump. The relief valve is disposed between a supply portion of the grease by the grease supply unit and the check valve. The relief valve releases the grease inside the discharge path to the grease supply unit side according to a pressure rise inside the discharge path.

Abstract: The present disclosure relates to a method and an apparatus for liquid condition assessment in a liquid lubrication system for a work system operable in at least two different modes, the method comprising measuring monitored liquid condition data, determining a current operating mode of the work system, then based on the current operating mode, selecting a corresponding model, modeling corresponding simulated liquid condition data based on the model, assessing the liquid condition by comparing the monitored liquid condition data with the simulated liquid condition data, and providing a normally distributed data set for the liquid condition assessment.

Abstract: A service device for a multi-component insulating gas for use during maintenance of electrical switchgear systems comprising a compressor with a downstream condenser, a storage container, the service device is connected to a system space, and the compressor compresses the insulating gas during removal from the system space, all components of the insulating gas remain in the compressor in a gaseous state, the condenser is controlled by a controller so a condensation of the insulating gas occurs first in the storage container, a storage heating device is provided for the storage container, during filling of the system space the storage heating device heats the insulating gas to a temperature above the critical temperature of the insulating gas, wherein, a line heating device is provided which at least partially heats the pipeline between the storage container and the system space and/or heats elements in the pipeline.