mhurhangee/ep-ind-claims huggingface dataset:
A check valve comprising: a valve housing defining a valve opening; a pair of flapper elements pivotably mounted relative to the housing for rotation between an open position in which they permit fluid flow through the opening and a closed position in which they prevent fluid flow through the opening, each flapper element comprising a first surface facing the opening and a second surface opposite the first surface and facing away from the opening; characterised in that, a bowed leaf spring member is mounted to the second surface of each flapper element, the leaf spring members being arranged such that when the flapper elements move towards the closed position, the bowed leaf spring members move into engagement with a respective stop member. a valve housing defining a valve opening; a pair of flapper elements pivotably mounted relative to the housing for rotation between an open position in which they permit fluid flow through the opening and a closed position in which they prevent fluid flow through the opening, each flapper element comprising a first surface facing the opening and a second surface opposite the first surface and facing away from the opening; characterised in that, a bowed leaf spring member is mounted to the second surface of each flapper element, the leaf spring members being arranged such that when the flapper elements move towards the closed position, the bowed leaf spring members move into engagement with a respective stop member.
A robotic tubesheet walker for heat exchanger inspections and maintenance comprising: a) a first rail and a second rail; b) a central hinge connecting the first rail to the second rail, the central hinge being configured for remote operation and such that one or both of the first rail or the second rail can rotate at least partially about the central hinge; c) a first carriage and a second carriage, the first carriage being mounted to and configured to move along the first rail and the second carriage being mounted to and configured to move along the second rail, each such carriage being remotely operable; d) a first attachment mechanism on the first carriage remotely actuated to fasten the first carriage to a surface of a tubesheet; e) a second attachment mechanism on the second carriage remotely actuated to fasten the second carriage to a surface of the tubesheet; f) said first and second attachment mechanisms each having at least two attachment means with each attachment means being actuable to engage a tube opening; g) a tool support fixture connected to the robotic tubesheet walker; and characterized in that h) the robotic tubesheet walker is supported from the tubesheet only by one of the first attachment mechanism or the second attachment mechanism as it moves across the tubesheet. a) a first rail and a second rail; b) a central hinge connecting the first rail to the second rail, the central hinge being configured for remote operation and such that one or both of the first rail or the second rail can rotate at least partially about the central hinge; c) a first carriage and a second carriage, the first carriage being mounted to and configured to move along the first rail and the second carriage being mounted to and configured to move along the second rail, each such carriage being remotely operable; d) a first attachment mechanism on the first carriage remotely actuated to fasten the first carriage to a surface of a tubesheet; e) a second attachment mechanism on the second carriage remotely actuated to fasten the second carriage to a surface of the tubesheet; f) said first and second attachment mechanisms each having at least two attachment means with each attachment means being actuable to engage a tube opening; g) a tool support fixture connected to the robotic tubesheet walker; and characterized in that h) the robotic tubesheet walker is supported from the tubesheet only by one of the first attachment mechanism or the second attachment mechanism as it moves across the tubesheet.
A method of controlling data transmission of a transceiver comprising: determining (110, 210) that data is pending for transmission by the transceiver; receiving (120, 225) a signal; estimating (130, 230) a current required transmission effort for transmission of the data based on the received signal; determining (150, 250) if data transmission is to be initiated based on a probability of experiencing a required transmission effort which is lower than the estimated current required transmission effort while a time criterion associated with the data is fulfilled, wherein the probability is calculated based on required transmission effort statistics; initiating (160, 260) transmission of the data if it is determined that data transmission is to be initiated; and postponing a decision of transmitting the data otherwise. determining (110, 210) that data is pending for transmission by the transceiver; receiving (120, 225) a signal; estimating (130, 230) a current required transmission effort for transmission of the data based on the received signal; determining (150, 250) if data transmission is to be initiated based on a probability of experiencing a required transmission effort which is lower than the estimated current required transmission effort while a time criterion associated with the data is fulfilled, wherein the probability is calculated based on required transmission effort statistics; initiating (160, 260) transmission of the data if it is determined that data transmission is to be initiated; and postponing a decision of transmitting the data otherwise.
An image forming apparatus comprising: a rotary driven photoreceptor; a charging device configured to charge a surface of the photoreceptor; an exposing device configured to expose the photoreceptor charged by the charging device to form an electrostatic latent image; a developing device configured to develop, using developer, the electrostatic latent image formed on the photoreceptor by the exposing device to form a developer image; and a charged amount detection device (61, 70) configured to detect a charged amount per unit mass of the developer used by the developing device, wherein the image forming apparatus is configured to transfer the developer image on a recording material to form an image on the recording material, characterized by a developing bias adjustment device configured to adjust a developing bias to regulate a ratio of the charged amount per unit mass detected by the charged amount detection device to an electric current which flows between the developing device and the photoreceptor at the time of developing the electrostatic latent image representing a reference image, a developing current sensor configured to detect a current value of the electric current flowing between a part of the photoreceptor charged by the charging device but not exposed by the exposing device and the developing device, wherein the charged amount detection device is configured to detect the charged amount per unit mass of the developer used by the developing device, based on the current value detected by the developing current sensor. a rotary driven photoreceptor; a charging device configured to charge a surface of the photoreceptor; an exposing device configured to expose the photoreceptor charged by the charging device to form an electrostatic latent image; a developing device configured to develop, using developer, the electrostatic latent image formed on the photoreceptor by the exposing device to form a developer image; and a charged amount detection device (61, 70) configured to detect a charged amount per unit mass of the developer used by the developing device, wherein the image forming apparatus is configured to transfer the developer image on a recording material to form an image on the recording material, characterized by a developing bias adjustment device configured to adjust a developing bias to regulate a ratio of the charged amount per unit mass detected by the charged amount detection device to an electric current which flows between the developing device and the photoreceptor at the time of developing the electrostatic latent image representing a reference image, a developing current sensor configured to detect a current value of the electric current flowing between a part of the photoreceptor charged by the charging device but not exposed by the exposing device and the developing device, wherein the charged amount detection device is configured to detect the charged amount per unit mass of the developer used by the developing device, based on the current value detected by the developing current sensor.
A hinge including: a first hinge member including a front plate, a rear plate, and a first magnetic element; a second hinge member including a front plate, a rear plate, and a second magnetic element, wherein the first and second hinge members (801, 802) are hingedly mounted to each other, wherein the first and second magnetic elements (829, 833) bias the first and second hinge members (801, 820) to a retained position; a biasing mechanism configured to bias the first hinge member and the second hinge member toward the retained position; wherein the first and second hinge members (801, 802) are substantially maintained in said retained position via magnetic force between the first and second magnetic elements (829, 833); characterised in that the hinge further includes a dampening mechanism configured to slow the movement of the first hinge member relative to the second hinge member; the dampening mechanism protrudes from the second hinge member, wherein the hinge includes an overlapping portion extending from the rear plate of the first hinge member and overlapping a recessed portion of the rear plate of the second hinge member in the retained position, and wherein when the first and second hinge members (801, 802) pivot relative to each other toward the retained position, the overlapping portion urges against the dampening mechanism, thereby slowing the movement of the first hinge member and the second member to the retained position. a first hinge member including a front plate, a rear plate, and a first magnetic element; a second hinge member including a front plate, a rear plate, and a second magnetic element, wherein the first and second hinge members (801, 802) are hingedly mounted to each other, wherein the first and second magnetic elements (829, 833) bias the first and second hinge members (801, 820) to a retained position; a biasing mechanism configured to bias the first hinge member and the second hinge member toward the retained position; wherein the first and second hinge members (801, 802) are substantially maintained in said retained position via magnetic force between the first and second magnetic elements (829, 833); characterised in that the hinge further includes a dampening mechanism configured to slow the movement of the first hinge member relative to the second hinge member; the dampening mechanism protrudes from the second hinge member, wherein the hinge includes an overlapping portion extending from the rear plate of the first hinge member and overlapping a recessed portion of the rear plate of the second hinge member in the retained position, and wherein when the first and second hinge members (801, 802) pivot relative to each other toward the retained position, the overlapping portion urges against the dampening mechanism, thereby slowing the movement of the first hinge member and the second member to the retained position.
An orthodontic bracket for a tooth comprising: a housing portion having a first groove extending from a first end to a second end through the housing portion, the first groove configured to slidably receive an archwire therethrough; a body portion configured to be received within the housing portion, wherein the housing portion is configured to rotatably mount to the body portion about a first axis, a second axis, and a third axis, the first axis being in an apico-coronal direction of the tooth, the second axis being in a buccopalatal direction of the tooth, and the third axis being in a mesial-distal direction of the tooth; and characterized in that a base portion is configured to attach to a surface of the tooth, wherein the body portion is configured to slidably mount on the base portion so that the body portion is slidably adjustable relative to the base portion along the apico-coronal direction of the tooth. a housing portion having a first groove extending from a first end to a second end through the housing portion, the first groove configured to slidably receive an archwire therethrough; a body portion configured to be received within the housing portion, wherein the housing portion is configured to rotatably mount to the body portion about a first axis, a second axis, and a third axis, the first axis being in an apico-coronal direction of the tooth, the second axis being in a buccopalatal direction of the tooth, and the third axis being in a mesial-distal direction of the tooth; and characterized in that a base portion is configured to attach to a surface of the tooth, wherein the body portion is configured to slidably mount on the base portion so that the body portion is slidably adjustable relative to the base portion along the apico-coronal direction of the tooth.
A combustor for a gas turbine engine, the combustor comprising an engine casing having an aperture formed therein, and a fuel injector having a flange for mounting the fuel injector to the casing at the aperture so that the fuel injector extends into the engine wherein the flange is dismountably sealed to an inner side of the casing, characterised in that the aperture and flange are configured so that when dismounted the fuel injector can be rotated into an orientation relative to the aperture to allow the flange to pass though the aperture and the fuel injector to be withdrawn from the casing.
A cap opening and closing device, comprising: a mounting box; a locking pin, rotatably and retractably mounted to the mounting box, and having a locking head for hooking the cap; a guide block, mounted to the mounting box, and having a guide groove; a rocker arm, rotatably mounted to the mounting box, and having one end fitted to the locking pin and the other end fitted with a pin hole; a slidable pin, movably fitted in the pin hole along an axial direction of the pin hole; characterized by an adjusting component, arranged on the other end of the rocker arm and abutting against the slidable pin, and configured to adjust the position of the slidable pin in the pin hole, wherein the slidable pin is adjusted by the adjusting component to fit to the guide groove and slide along the guide groove. a mounting box; a locking pin, rotatably and retractably mounted to the mounting box, and having a locking head for hooking the cap; a guide block, mounted to the mounting box, and having a guide groove; a rocker arm, rotatably mounted to the mounting box, and having one end fitted to the locking pin and the other end fitted with a pin hole; a slidable pin, movably fitted in the pin hole along an axial direction of the pin hole; characterized by an adjusting component, arranged on the other end of the rocker arm and abutting against the slidable pin, and configured to adjust the position of the slidable pin in the pin hole, wherein the slidable pin is adjusted by the adjusting component to fit to the guide groove and slide along the guide groove.
A method for liquid blow molding a resin preform in a container of a predetermined shape with a liquid blow molding device, the device comprising: a mold for blow forming in which the preform is disposed; a stretching rod that stretches the preform disposed in the mold in the axial direction; and a pressurized liquid supply part for supplying pressurized liquid to the preform disposed in the mold; characterized in that the method comprises a step for supplying a volume of liquid from the pressurized liquid supply part to the interior of the preform until the stretching of the preform by the stretching rod is complete, being defined as when the stretching rod reaches the lower end side stroke end, the supplied volume of liquid being less than or equal to 50% of the volume of liquid to be filled into the interior of the container after completion of liquid blow molding. a mold for blow forming in which the preform is disposed; a stretching rod that stretches the preform disposed in the mold in the axial direction; and a pressurized liquid supply part for supplying pressurized liquid to the preform disposed in the mold; characterized in that the method comprises a step for supplying a volume of liquid from the pressurized liquid supply part to the interior of the preform until the stretching of the preform by the stretching rod is complete, being defined as when the stretching rod reaches the lower end side stroke end, the supplied volume of liquid being less than or equal to 50% of the volume of liquid to be filled into the interior of the container after completion of liquid blow molding.
Squirrel cage rotor, in particular for an asynchronous machine, having a shaft, rotor plate stack having rotor bars which are arranged internally and short-circuit rings, wherein at least a portion of a short-circuit ring comprises a disc stack which is constructed in layers from discs having recesses through which the ends of the rotor bars extend from the rotor plate stack, wherein adjacent discs are spaced apart from each other in the disc stack and form a gap, wherein the spacing caused by the gap between two adjacent discs is formed by formations arranged in the discs, characterised in that - in the gap at least in the region of the formations a solder connection is provided over the outer circumference, wherein the solder connection extends radially inwards in the direction of the shaft and surrounds the formations, - in that the material of the solder connection is also introduced axially into a remaining gap between recesses and the rotor bars, and - in that the formations are formed in a step-like manner. wherein adjacent discs are spaced apart from each other in the disc stack and form a gap, wherein the spacing caused by the gap between two adjacent discs is formed by formations arranged in the discs, characterised in that - in the gap at least in the region of the formations a solder connection is provided over the outer circumference, wherein the solder connection extends radially inwards in the direction of the shaft and surrounds the formations, - in that the material of the solder connection is also introduced axially into a remaining gap between recesses and the rotor bars, and - in that the formations are formed in a step-like manner. - in the gap at least in the region of the formations a solder connection is provided over the outer circumference, wherein the solder connection extends radially inwards in the direction of the shaft and surrounds the formations, - in that the material of the solder connection is also introduced axially into a remaining gap between recesses and the rotor bars, and - in that the formations are formed in a step-like manner.
Method for operating a transport system comprising a first and a second mobile part and comprising a transport frame, wherein a bearing means is arranged on the transport frame, wherein the first and the second mobile part are moved on a travel surface, wherein each mobile part has a linear shaft acting as a lifting shaft, a controller and respective wheels driven by an electric motor, wherein the first mobile part crosses below the transport frame in a first region of the transport frame, wherein the second mobile part crosses below the transport frame in a different, i.e. second, region of the transport frame, wherein, by vertically extending the lifting shafts of the mobile parts, the transport frame is raised in such a way that the bearing means of the transport frame loses contact with the travel surface, wherein a communications channel is provided between the first and the second mobile part, wherein the communications channel is arranged between the two mobile parts and below the transport frame, specifically between the travel surface and the transport frame, wherein the drive of the mobile parts is controlled by means of a master-slave control by one of the mobile parts acting as the master and the other as the slave such that linked travel is executed, wherein the lifting shafts are likewise operated in master-slave control, wherein actual values, detected by the mobile part acting as the master, for the vertical position of the lifting shaft thereof are transmitted via the communications channel to the mobile part acting as the slave, and a respective current setpoint is determined therefrom, towards which the vertical position of the lifting shaft of the mobile part acting as the slave is controlled such that the transport frame is raised by the two lifting shafts uniformly, wherein the master-slave control of the lifting shafts and of the drives of the mobile parts is operated in a manner overlapping in time, characterised in that the communications channel is configured as an optical or infrared-optical communications channel, and a currently required torque, which is dependent on the respective load to be transported and the slope of the travel surface, is determined in the mobile part acting as the master, wherein a first component of said torque is used as a setpoint for a torque control unit arranged in the mobile part acting as the master, such that the torque generated by the drive of the mobile part acting as the master is controlled towards said setpoint, wherein the remaining component of the torque determined as being currently required is used as a setpoint for a torque control unit arranged in the mobile part acting as the slave, such that the torque generated by the drive of the mobile part acting as the slave is controlled towards said setpoint, wherein the data required to be transmitted in order to control the drives of the mobile parts are transmitted via the communications channel in the same time segment as the data required to be transmitted in order to control the lifting shafts.
A fairing for use with a gas turbine frame strut, said fairing cast as an integral single piece comprising a first sidewall and a second sidewall connected together at a leading edge and a trailing edge such that at least one cooling chamber is defined therebetween, said fairing comprising at least one partition and at least one parting line, said at least one partition formed integrally with, and extending between, said first and second sidewalls, said at least one parting line dividing said fairing into a forward portion and a separate aft portion that are removably coupled together, wherein the parting line is defined as a tongue and groove joint within at least a portion of the at least one partition.