Patents Assigned to Mayekawa Mfg. Co., Ltd.
  • Patent number: 10993447
    Abstract: A bone-meat separation device for a bone-in limb meat according to an embodiment is a bone-meat separation device for a bone-in limb meat for separating a meat part adhering to a trunk-side end bone head of a bone-in limb meat, the device including a plurality of clamp portions for conveying the bone-in limb meat along a conveying path, a guide portion disposed on the conveying path and forming a V-shaped guide space with an open end thereof being directed upstream in a conveying direction of the bone-in limb meat, a cutter disposed at a downstream end of the guide space in the conveying direction, and a holding portion holding the meat part below the guide portion and the cutter. The holding portion is configured to hold the meat part of the bone-in limb meat when the meat part is cut from the trunk-side end bone head with the cutter.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: May 4, 2021
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Koji Kido, Moemi Kato, Akira Koizumi
  • Patent number: 10792748
    Abstract: A welding device according to some embodiments includes a rotary table fixing two irregular shaped plates which are overlapped, a torch unit including a welding torch positioned to face outer peripheral edges of the two irregular shaped plates fixed to the rotary table, a torch actuator configured to move the welding torch toward and away from the outer peripheral edges, an after-shielding part mounted to the welding torch on downstream side in a rotational direction of the rotary table and having nozzles arranged along the rotational direction, configured to jet shielding gas to the outer peripheral edges, and including a first nozzle positioned upstream and a second nozzle positioned downstream of the first nozzle in the rotational direction, and a controller configured to control an orientation of the nozzle in a direction of decreasing a shielding-gas-jetting distance between the second nozzle and the outer peripheral edges welded by the welding torch.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: October 6, 2020
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Hisashi Kitagawa, Yoshiyuki Oomasa, Hideki Shudai, Yoshihiko Ueno, Daisuke Miyazaki, Masato Takeda, Toshinori Ohtomo, Toshikazu Kamae
  • Publication number: 20200297022
    Abstract: Providing a mixing apparatus capable of efficiently input noodles coated with an additive to a receiving tray, and having no need to perform weighing again after the noodles are input to the receiving tray. The mixing apparatus 8 includes: a hopper 30 that houses the falling noodles and that allows noodles to fall while rotating; and a supply device 60 that supplies a sauce to the noodles in the hopper 30, and at least two hopper 30 are provided in a falling direction.
    Type: Application
    Filed: January 9, 2020
    Publication date: September 24, 2020
    Applicants: MAYEKAWA MFG. CO., LTD., AJINOMOTO CO., INC.
    Inventors: Shigeto KOGA, Hiroshi FUJITA, Yoshihiro UCHIDA, Kazuhiro TOYOTA, Takahiro KAWASOE
  • Publication number: 20200281152
    Abstract: A livestock stall system which can take measures against the cold of winter and against the heat of summer while preventing worsening of the condition of the litter (the flooring) and maintaining a favorable environment inside the livestock stall. This livestock stall system includes a livestock stall in which livestock is raised, and a second pipe which is arranged so as to pass beneath the floor of the livestock stall and which adjusts the temperature of the floor surface of the livestock stall by circulating a medium through the inside of the pipe.
    Type: Application
    Filed: October 31, 2018
    Publication date: September 10, 2020
    Applicant: MAYEKAWA MFG. CO., LTD.
    Inventors: Kiyoshi HIGUCHI, Hidehiro KITAYAMA, Kazutoshi ITO, Takayuki OKADA
  • Patent number: 10709143
    Abstract: A clamping device for a bone-in limb meat according to an embodiment includes a pair of clamp pieces including a first clamp piece and a second clamp piece, and being openable/closable so as to hold a bone-in limb meat, and rotation suppressing portions for suppressing a rotation of the bone-in limb meat, the rotation suppressing portions being disposed at positions deviated with respect to the pair of clamp pieces in a direction perpendicular to a plane including an opening/closing direction of the pair of clamp pieces. The rotation suppressing portions include a projection portion disposed so as to protrude from the first clamp piece into a space between the pair of clamp pieces and configured to contact the bone-in limb meat when viewed from the direction perpendicular to the plane.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: July 14, 2020
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Takeshi Chimura, Hiroyuki Usui, Takekuni Umehara, Osamu Goto, Yuuichi Kuratani
  • Patent number: 10690410
    Abstract: A freeze-drying system is provided in which freeze-drying is performed by sublimating moisture frozen by cooling an object and collects the sublimated moisture with a cold trap. The freeze-drying system includes: a cooling device which generates cold with an air cycle in which air is used as a refrigerant; a freeze-drying chamber accommodating a heat exchange unit which causes heat exchange between the refrigerant and the object; a cold air supplying mechanism which supplies precooled air into the freeze-drying chamber; and a control unit which controls a cooling capacity of the cooling device. The control unit adjusts the temperature in the freeze-drying chamber to a predetermined target temperature by controlling an amount of the cold generated in the cooling device. The cold air supplying mechanism includes an air supply line through which air, as the refrigerant that circulates in the air cycle, is partially introduced into the freeze-drying chamber.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: June 23, 2020
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Kouichi Tsubata, Shigeru Iwami, Youichi Hiraga, Nobuya Ishitsuka
  • Patent number: 10681918
    Abstract: A loading system for bone-in limb meat according to an embodiment is a loading system for loading a bone-in limb meat to a processing portion, the loading system includes: an image capturing portion for capturing an image of the bone-in limb meat before being loaded to the processing portion; an image processing portion capable of acquiring orientation information of the bone-in thigh meat from the image of the bone-in limb meat captured by the image capturing portion; an openable/closable pair of clamp pieces for holding the bone-in limb meat; an arm supporting the pair of clamp pieces, and capable of controlling a position and orientation of the pair of clamp pieces; and a control portion controlling, based on the orientation information acquired by the image processing portion, an operation of the arm and thereby holding the bone-in limb meat, and loading the bone-in limb meat to the processing portion.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: June 16, 2020
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Takeshi Chimura, Hiroyuki Usui, Takekuni Umehara, Osamu Goto, Hajime Akabane, Yuuichi Kuratani
  • Patent number: 10662947
    Abstract: An oil-flooded screw compressor system includes: a first lubricating oil supply system for supplying lubricating oil to screw parts; and a second lubricating oil supply system for supplying the lubricating oil to a bearing. The first lubricating oil supply system includes: a gas-liquid separator; a first supply flow passage; and a first supply path. The second lubricating oil supply system includes: a lubricating oil reservoir; a second supply flow passage; a second supply path; a first discharge flow passage; and a discharge path. It is possible to suppress dissolution of a gas to be compressed in lubricating oil and to suppress damage to a bearing due to deterioration of the performance of the lubricating oil, even in a case where the gas to be compressed is compatible with the lubricating oil.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: May 26, 2020
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventor: Yasuaki Endo
  • Patent number: 10617125
    Abstract: A clamping device for a bone-in limb meat according to an embodiment includes a base portion, a pair of clamp pieces mounted to the base portion and configured to hold a bone-in limb meat, and an orientation adjusting member for adjusting an orientation of the bone-in limb meat, the orientation adjusting member being mounted to the base portion independently of the pair of clamp pieces and having an inclined surface inclined at an acute angle with respect to a center line between the pair of clamp pieces. When the pair of clamp pieces are in an opened state, in a planar view, at least a part of the inclined surface of the orientation adjusting member is disposed so as to overlap a space formed between the pair of clamp pieces.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: April 14, 2020
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Takeshi Chimura, Hiroyuki Usui, Takekuni Umehara, Osamu Goto, Yuuichi Kuratani
  • Patent number: 10458713
    Abstract: A refrigerant heat exchanger is provided and includes: a hollow container having a cylindrical shape; a plate stack disposed on an inner lower side of the hollow container, including plates each having a front side and a back side with a plurality of concavo-convex portions formed thereon which are stacked to form a first heat exchange flow passage through which a first refrigerant flows and a second heat exchange flow passage through which a second refrigerant flows; a supply pipe disposed in an interior space of the hollow container above the plate stack and configured to supply the first refrigerant to the plate stack; and a discharge pipe configured to exchange heat between the first refrigerant supplied from the supply pipe and the second refrigerant flowing through the plate stack and to discharge the first refrigerant.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: October 29, 2019
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Masato Takeda, Yasushi Tomiyama, Iwao Terashima
  • Patent number: 10415857
    Abstract: A refrigerator according to the present invention includes: a cooling part for cooling an object to be cooled through heat exchange with a refrigerant; an expander-integrated compressor including a compressor for compressing the refrigerant and an expander for expanding the refrigerant integrated therein; and a refrigerant circulation line configured to circulate the refrigerant through the compressor, the expander, and the cooling part. The compressor includes a low-stage compressor, a middle-stage compressor, and a high-stage compressor disposed in series in the refrigerant circulation line.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: September 17, 2019
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Shota Ueda, Akito Machida, Mizuo Kudo
  • Publication number: 20190232410
    Abstract: A welding device according to some embodiments includes a rotary table fixing two irregular shaped plates which are overlapped, a torch unit including a welding torch positioned to face outer peripheral edges of the two irregular shaped plates fixed to the rotary table, a torch actuator configured to move the welding torch toward and away from the outer peripheral edges, an after-shielding part mounted to the welding torch on downstream side in a rotational direction of the rotary table and having nozzles arranged along the rotational direction, configured to jet shielding gas to the outer peripheral edges, and including a first nozzle positioned upstream and a second nozzle positioned downstream of the first nozzle in the rotational direction, and a controller configured to control an orientation of the nozzle in a direction of decreasing a shielding-gas-jetting distance between the second nozzle and the outer peripheral edges welded by the welding torch.
    Type: Application
    Filed: October 7, 2016
    Publication date: August 1, 2019
    Applicant: MAYEKAWA MFG. CO., LTD.
    Inventors: Hisashi KITAGAWA, Yoshiyuki OOMASA, Hideki SHUDAI, Yoshihiko UENO, Daisuke MIYAZAKI, Masato TAKEDA, Toshinori OHTOMO, Toshikazu KAMAE
  • Patent number: 10309723
    Abstract: An object is to provide a freeze-drying system and a freeze-drying method which can improve cleanliness and productivity. The present invention relates to a freeze-drying system in which freeze-drying is performed by sublimating moisture frozen by cooling an object. The system includes a cooling device (3) which generates cold with an air cycle in which air is used as a refrigerant, a freeze-drying chamber (2) accommodating a heat exchange unit which causes heat exchange between the refrigerant and the object, and a control unit (11) which controls a cooling capacity of the cooling device. The control unit adjusts the temperature in the freeze-drying chamber to a predetermined target temperature by controlling an amount of the cold generated in the cooling device.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: June 4, 2019
    Assignee: MAYEKAWA MFG.CO., LTD.
    Inventors: Kouichi Tsubata, Shigeru Iwami, Youichi Hiraga, Nobuya Ishitsuka
  • Patent number: 10302343
    Abstract: A defrost system is disclosed that includes a cooling device disposed in a freezer, a heat exchanger pipe leading into a casing, a drain receiver unit; a refrigerating device for cooling and liquefying CO2 refrigerant; a refrigerant circuit for permitting the CO2 refrigerant to circulate to the heat exchanger pipe; a defrost circuit branched from the heat exchanger pipe forming a CO2 circulation path with the heat exchanger pipe; an on-off valve so that the CO2 circulation path becomes a closed circuit; a pressure adjusting unit for adjusting the pressure of the CO2 refrigerant; and a first heat exchanger unit for heating the CO2 refrigerant circulating with brine, disposed below the cooling device to which the defrost circuit and a first brine circuit in which brine, a first heating medium, circulates, are led, in which the CO2 refrigerant naturally circulates in the closed circuit when defrosting by a thermosiphon effect.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: May 28, 2019
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Choiku Yoshikawa, Makoto Sano, Iwao Terashima, Daiki Kayashima
  • Publication number: 20190151977
    Abstract: According to some embodiments, there is provided a welding device for welding outer peripheral edges of two irregular shaped plates which are overlapped, including: a rotary table to which the two irregular shaped plates in an overlapped state are fixed; a torch unit, including a welding torch positioned to face the outer peripheral edges of the two irregular shaped plates fixed to the rotary table; a first torch actuator, capable of changing an orientation and a distance of the welding torch relative to the outer peripheral edges; and a first controller, configured to control the first torch actuator, so that the orientation of the welding torch relative to a tangential line of the outer peripheral edges and the distance of the welding torch from the outer peripheral edges are kept constant along a circumferential direction of the outer peripheral edges, during rotation of the two irregular shaped plates.
    Type: Application
    Filed: October 7, 2016
    Publication date: May 23, 2019
    Applicant: MAYEKAWA MFG. CO., LTD.
    Inventors: Hisashi KITAGAWA, Yoshiyuki OOMASA, Hideki SHUDAI, Yoshihiko UENO, Daisuke MIYAZAKI, Masato TAKEDA, Toshinori OHTOMO, Toshikazu KAMAE
  • Patent number: 10168078
    Abstract: To provide a refrigeration system capable of being installed efficiently in a limited space while ensuring a good reliability, the refrigeration system according to the present invention comprises a refrigeration cycle having: a circulation path (101) in which a refrigerant flows; and at least one compressor (102) for compressing the refrigerant, a heat exchanger (103) for cooling the refrigerant compressed by the compressor, at least one expansion turbine (104) for expanding the refrigerant cooled by the heat exchanger to generate cold heat, and a cooling part (105) for cooling an object to be cooled by the cold heat, which are provided on the circulation path in order, wherein at least either the at least one compressor or the at least one expansion turbine comprises a plurality of compressors or expansion turbines which are arranged in parallel with one another with respect to the circulation path.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: January 1, 2019
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Naoko Nakamura, Shunsuke Komatsu, Shota Ueda, Masao Komeda, Mizuo Kudo, Akito Machida
  • Patent number: 10161809
    Abstract: A method for measuring an internal temperature of a freezing target object includes: a placing step of placing the freezing target object in a microwave resonating magnetic field generated by a microwave resonator; a state detection step of detecting a resonant state of the freezing target object in a frozen state by using the microwave resonator and detecting an internal temperature of the freezing target object by using a temperature meter; a calibration curve calculation step of calculating a calibration curve by performing a regression analysis by using the resonant state as an explanatory variable and by using the internal temperature of the freezing target object as a response variable; and a temperature calculation step of calculating the internal temperature of the freezing target object in the frozen state by applying the resonant state detected in the detection step to the calibration curve calculated in the calibration curve calculation step.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: December 25, 2018
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Shinji Kono, Kazuhiro Hattori
  • Publication number: 20180299146
    Abstract: A dehumidifying method includes: a dehumidifying step of causing an adsorption surface of a desiccant wheel to adsorb water vapor in the supply air; a cooling step of cooling the supply air dehumidified in the dehumidifying step with an air cooler constituting a part of a heat pump device; a first temperature increasing step of increasing a temperature of the supply air cooled in the cooling step with a temperature increasing medium to reduce a relative humidity of the supply air; a supplying step of supplying an air conditioning chamber with the supply air having a reduced relative humidity; a second temperature increasing step of increasing a temperature of the regeneration air with an air heater constituting a part of the heat pump device to reduce a relative humidity of the regeneration air; and a desorbing step of desorbing the water vapor adsorbed on the adsorption surface from the adsorption surface with the heated regeneration air.
    Type: Application
    Filed: September 26, 2016
    Publication date: October 18, 2018
    Applicant: MAYEKAWA MFG. CO., LTD.
    Inventors: Fujio KOMATSU, Masahiro YAMAGUCHI
  • Publication number: 20180259253
    Abstract: A freeze-drying system is provided in which freeze-drying is performed by sublimating moisture frozen by cooling an object and collects the sublimated moisture with a cold trap. The freeze-drying system includes: a cooling device which generates cold with an air cycle in which air is used as a refrigerant; a freeze-drying chamber accommodating a heat exchange unit which causes heat exchange between the refrigerant and the object; a cold air supplying mechanism which supplies precooled air into the freeze-drying chamber; and a control unit which controls a cooling capacity of the cooling device. The control unit adjusts the temperature in the freeze-drying chamber to a predetermined target temperature by controlling an amount of the cold generated in the cooling device. The cold air supplying mechanism includes an air supply line through which air, as the refrigerant that circulates in the air cycle, is partially introduced into the freeze-drying chamber.
    Type: Application
    Filed: May 14, 2018
    Publication date: September 13, 2018
    Applicant: MAYEKAWA MFG. CO., LTD.
    Inventors: KOUICHI TSUBATA, SHIGERU IWAMI, YOUICHI HIRAGA, NOBUYA ISHITSUKA
  • Patent number: 10030919
    Abstract: A low-cost and space-saving cooling apparatus for a superconductor that prevents a function of the superconductor being compromised when a refrigerator is faulty. A cooling apparatus for a superconductor forms a circulation path in which a coolant, having been used for cooing the superconductor, is pumped by a circulation pump to a heat exchanger unit so that the coolant is cooled by a refrigerator, and the coolant is supplied to the superconductor.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: July 24, 2018
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Naoko Nakamura, Masahiro Shimoda, Shunsuke Komatsu, Ryusuke Ono, Hiroharu Yaguchi