Abstract: A magnetic field measuring device that measures a magnetic field distribution of a cyclotron, the magnetic field measuring device including a measurement unit that is disposed between a pair of magnetic poles of the cyclotron and measures the magnetic field distribution and a cable that is connected to the measurement unit, in which the cable reaches a side wall of the cyclotron from a center portion of the cyclotron by passing between the pair of magnetic poles.
Abstract: There is provided a reinforcement member for a vehicle which includes a cylindrical body section having a continuously closed cross section intersecting with a longitudinal direction. The cylindrical body section has a first surface, a second surface, and a third surface. The third surface has a fourth surface extending away from the second surface, and a fifth surface connecting the fourth surface and the first surface to each other. In a sectional view when viewed in the longitudinal direction, in a case where a virtual line connecting a first intersection portion where the first surface and the third surface intersect with each other and a second intersection portion where the second surface and the third surface intersect with each other is set, a third intersection portion where the fourth surface and the fifth surface intersect with each other protrudes outward with respect to the virtual line.
Abstract: A cryopump includes a cryocooler which includes a high-temperature cooling stage and a low-temperature cooling stage, a radiation shield which is thermally coupled to the high-temperature cooling stage and axially extends in a tubular shape from a cryopump intake port, a low-temperature cryopanel section which is thermally coupled to the low-temperature cooling stage, is surrounded by the radiation shield, and includes axially arranged cryopanels including a top cryopanel disposed closest to the cryopump intake port, and a top cryopanel accommodation cryopanel which is thermally coupled to the high-temperature cooling stage and is disposed in the cryopump intake port to form a top cryopanel accommodation compartment.
Abstract: A pulse tube cryocooler includes a pulse tube that includes a tube inner space, and an integral flow straightener that includes a flow straightening layer disposed to face the tube inner space so as to straighten a refrigerant gas flow from the tube inner space or into the tube inner space and a heat exchange layer formed integrally with the flow straightening layer outside the flow straightening layer with respect to the tube inner space so as to exchange heat with the refrigerant gas flow by contact with the refrigerant gas flow and is disposed at a low-temperature end and/or a high-temperature end of the pulse tube. The flow straightening layer includes a plurality of protrusions that protrude from the heat exchange layer toward the tube inner space.
Abstract: A forming device includes a fluid supply unit that is disposed at an end portion of a metal pipe material and supplies a first fluid to an inside of the metal pipe material via an opening of the end portion, in which the fluid supply unit includes a surrounding portion that surrounds an outer peripheral surface of the end portion and at which an annular groove portion is formed on an inner peripheral surface facing the outer peripheral surface, an annular sealing member disposed in the groove portion, and an operating portion at which a pressurizing force that pressurizes the sealing member toward the outer peripheral surface is generated.
Abstract: A speed reducer includes a reduction mechanism, which includes an internal gear and an external gear meshing with the internal gear, and a first member, and transmits rotating motion decelerated by the reduction mechanism to a driven member. The speed reducer includes a protection member disposed between the first member and the driven member. The first member is formed of a material having specific gravity lower than at least one of the internal gear and the external gear and hardness lower than the driven member. The protection member is formed of a material having hardness higher than the first member.
Abstract: A web processing system which includes two rollers configured to rotate at the same phase while being in contact with a web which continuously exists along a movement passage and a suppressing mechanism for suppressing a tension variation of the web between the two rollers.
March 18, 2020
Date of Patent:
October 18, 2022
SUMITOMO HEAVY INDUSTRIES, LTD., ASAHI KASEI KABUSHIKI KAISHA
Abstract: Provided is a forming device including a die, a lower base portion, an upper base portion, a pillar portion, and an electrical heating unit, in which, at a time of electrical heating performed by the electrical heating unit, a magnetic flux density inside the pillar portion is higher than at least one of a magnetic flux density at a center of a lower surface of the lower base portion and a magnetic flux density at a center of an upper surface of the upper base portion.
Abstract: A forming system forming a metal pipe by expanding a metal pipe material, includes: a main body part having a forming die for forming the metal pipe; an electrode causing a current to flow through the metal pipe material disposed in the forming die such that the metal pipe material is heated; a power supply unit disposed at a position separated from the main body part and supplying power to the electrode; and a power supply line connecting the power supply unit and the electrode, in which the power supply line includes a lower-side passing portion passing through a lower side of a placing surface on which the main body part is placed, a first connection portion drawn to an upper side of the placing surface and connecting the lower-side passing portion and the electrode, and a second connection portion connecting the lower-side passing portion and the power supply unit.
Abstract: An excavator includes a hydraulic oil holding circuit that is provided in an oil passage between a bottom-side oil chamber of a boom cylinder and a control valve and is closed when the boom is not lowered, and a controller. The controller releases a closed state of the hydraulic oil holding circuit when the excavator is in a predetermined unstable state, and controls a released state so that an acting velocity in a lowering direction of the boom becomes less than or equal to a predetermined reference.
Abstract: A cryocooler includes a displacer that includes a lid portion and a main body portion, a displacer drive shaft that includes a collar portion held between the lid portion and the main body portion, and a buffer that is disposed in a clearance between the collar portion and the lid portion or between the collar portion and the main body portion and includes a soft material and a hard material disposed on an opposite side to the collar portion with respect to the soft material.
Abstract: A forming device which expands a metal pipe material to form a metal pipe having a pipe portion and a flange portion includes a hardness lowering portion which lowers a hardness of the flange portion to be lower than a hardness of the pipe portion.
Abstract: Provided is an X-ray CT apparatus including an X-ray irradiation unit that rotates around a placement portion on which an irradiation target is placed and emits X-rays; an X-ray detection unit that detects the X-rays emitted from the X-ray irradiation unit and passed through the irradiation target; and an image reconstruction unit that reconstructs a tomographic image of the irradiation target based on image data of the X-rays detected by the X-ray detection unit, in which the image reconstruction unit calculates a scattered ray component scattered in each of a plurality of three-dimensional spaces obtained by partitioning the irradiation target by a predetermined size among the X-rays detected by the X-ray detection unit in consideration of an atom number density per unit volume in each of sections included in the plurality of three-dimensional spaces and an atomic number, and reconstructs the tomographic image in consideration of the scattered ray component.
Abstract: A cryopump includes: a first-stage cryopanel; a second-stage cryopanel; a cryocooler thermally coupled to the first-stage cryopanel and the second-stage cryopanel to cool the first-stage cryopanel to a first-stage cooling temperature and cool the second-stage cryopanel to a second-stage cooling temperature that is lower than the first-stage cooling temperature; and a cryocooler controller configured to execute first-stage temperature control for controlling the first-stage cooling temperature to a first-stage target temperature and increase the cooling capacity of the cryocooler when an increase in the second-stage cooling temperature is detected during the execution of the first-stage temperature control.
Abstract: There is provided a superconducting magnet device including a superconducting coil, a vacuum vessel that accommodates the superconducting coil, a current lead that is connected to the superconducting coil and installed in the vacuum vessel, a power supply cable that is disposed outside the vacuum vessel and connected to the current lead, and a heating unit that is disposed apart from the current lead and heats the current lead via the power supply cable.
February 15, 2022
August 25, 2022
SUMITOMO HEAVY INDUSTRIES, LTD.
Yuta EBARA, Yukio MIKAMI, Nobuaki TAKAHASI
Abstract: A cryocooler includes a second-stage cooling stage, a second cylinder which includes the second-stage cooling stage on a terminal of the second-stage cylinder, a second-stage displacer which includes a magnetic regenerator material and is accommodated in the second-stage cylinder so as to be able to reciprocate in the second-stage cylinder, and a tubular magnetic shield which is installed on the second-stage cooling stage and extends along the second-stage cylinder outside the second-stage cylinder. The magnetic shield is formed of a normal conductor and a product of an electrical conductivity in a temperature range of 10 K (Kelvin) or less and a thickness of the tubular magnetic shield is 60 MS (Mega-Siemens) to 1980 MS.
March 1, 2022
August 25, 2022
SUMITOMO HEAVY INDUSTRIES, LTD.
Yosuke MATSUMURA, Takaaki MORIE, Jun YOSHIDA
Abstract: A shovel includes a traveling lower body; a revolving upper body mounted on the traveling lower body; an attachment attached to the revolving upper body; and a control device mounted on the revolving upper body and configured to drive the attachment. The control device controls an angle of a teeth end of a bucket with respect to a target excavation ground, in accordance with hardness of the target excavation ground.
Abstract: A failure diagnosis system includes a sensor that is provided in each of a plurality of diagnosis target devices and detects diagnosis target information of a corresponding diagnosis target device and a processing unit that is provided with respect to one or the plurality of diagnosis target devices and processes the diagnosis target information detected by the sensor. The processing unit is capable of executing a first processing mode and a second processing mode in which processing different from the first processing mode is performed, and processes the diagnosis target information in a selected processing mode.
Abstract: An oil separator includes: an oil separator container; and a filter element that is disposed in the oil separator container, defines an outer cavity between the oil separator container and itself, includes an inner cavity into which refrigerant gas is introduced, and separates oil from the refrigerant gas flowing to the outer cavity from the inner cavity. The filter element includes a tubular inner filter member that surrounds the inner cavity, and an outer filter layer that includes a refrigerant gas outlet surface exposed to the outer cavity and is disposed outside the inner filter member. A wire-like or band-like filter retaining member that is in contact with the outer filter layer from the outside may be provided. The refrigerant gas outlet surface may occupy at least 80% of the surface area of the outer filter layer.
Abstract: A radioisotope production apparatus includes a particle accelerator, a first target portion on which a charged particle beam emitted from the particle accelerator is incident and through which the charged particle beam passes, and a second target portion on which the charged particle beam passing through the first target portion is incident. In the first target portion, a target material is held in a beam passage, and a cooling gas supply unit which blows a cooling gas to the target material is provided. In a second target portion, a target substrate is held on a beam axis and a downstream-side surface of the target substrate with respect to the charged particle beam is cooled by cooling water. A total thickness of target foils of the first target portion on the beam axis is smaller than a thickness of the target substrate of the second target portion on the beam axis.