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Patent
Mayekawa Manufacturing Co. | Date: 2017-01-25

A bone-in meat deboning apparatus according to the present invention includes: a clamper for holding a piece of bone-in meat including a bone head at least in one end; a first cutter capable of moving toward and away with respect to the piece of bone-in meat being held by the clamper at the first end, for making a cut in a circumferential direction on a meat portion of the piece of bone-in meat in a vicinity of a held section; at least one meat-portion peeling member insertable into the cut on the piece of bone-in meat held by the clamper; an elastic support part for elastically supporting the meat-portion peeling member so that the meat-portion peeling member applies an elastic force to the piece of bone-in meat; a meat-portion-peeling driving part capable of changing a distance between the clamper and the meat-portion peeling member; and a second cutter capable of moving toward and away with respect to the piece of bone-in meat held by the clamper, for cutting the meat portion adhering to the second end including the bone head of the piece of bone-in meat.


Patent
Mayekawa Manufacturing Co. | Date: 2017-05-03

A shoulder-blade incision-making apparatus according to a least one embodiment of the present invention is for separating a meat portion attached to a shoulder-blade of a poultry carcass from the shoulder blade, and includes: a fixing jig on which the poultry carcass which is eviscerated and which has leg parts removed is to be placed and fixed; a fixing jig conveyer forming a conveyance path of the fixing jig and configured to convey the fixing jig along the conveyance path; a first separating member disposed above the conveyance path movably upward and downward; and a first driving device for moving the first separating member in an upward and downward direction. The first driving device is operated to move downward the first separating member and move the first separating member along a surface of the shoulder blade of the poultry carcass in accordance with a timing when the poultry carcass fixed to the fixing jig reaches a meat-separation position below the first separating member so that the meat portion attached to the shoulder blade is separated from the shoulder blade.


Patent
Mayekawa Manufacturing Co. | Date: 2017-05-03

A shoulder incision-making apparatus for a poultry carcass according to the present invention is for cutting a shoulder joint section of a poultry carcass, and includes: a fixing jig on which a poultry carcass which is eviscerated and which has leg parts removed is to be placed and fixed; a conveyer forming a conveyance path of the fixing jig and configured to convey the fixing jig along the conveyance path; a first cutter disposed in the conveyance path; and a second cutter disposed in the conveyance path at a downstream side of the first cutter in a conveying direction. The first cutter is configured to make an incision on the shoulder joint section of the poultry carcass, and the second cutter is configured to be inserted into the incision to cut the shoulder joint section.


A contour measurement apparatus and a contour measurement method for measuring a contour of a poultry carcass with which a contour of a desired area of the poultry carcass can be recognized, as well as a deboning device for a poultry carcass are provided. The contour measurement apparatus includes: a fixing jig on which the poultry carcass is placed and fixed; a conveyer forming a conveyance path for the fixing jig and configured to convey the fixing jig along the conveyance path; a contact element that is supported movably in an upper and lower direction within a two-dimensional plane including a conveying direction of the fixing jig and extending in a vertical direction, and is able to be in contact with a measurement target portion of the poultry carcass; an upper and lower direction position sensor configured to detect a position of the contact element in the upper and lower direction; a fixing jig position sensor configured to detect a position of the fixing jig moving in the conveying direction; and a contour calculation unit configured to calculate a contour of a surface of the poultry carcass on the two-dimensional plane based on detected values obtained by the upper and lower direction position sensor and the fixing jig position sensor along with a movement of the poultry carcass held and conveyed by the fixing jig.


Patent
Mayekawa Manufacturing Co. | Date: 2017-05-03

A poultry tenderloin extraction apparatus is provided that can achieve higher poultry tenderloin extracting process performance without posing a risk of bone chips mixing in the poultry tenderloin. The poultry tenderloin extraction apparatus includes: a fixing jig configured to move while holding a poultry carcass; a poultry tenderloin extraction body section disposed on each of left and right sides with respect to a conveying direction of the fixing jig; a first moving unit configured to move the poultry tenderloin extraction body section toward the moving fixing jig; and a second moving unit configured to move the poultry tenderloin extraction body section away from the moving fixing jig. The poultry tenderloin extraction body section includes a clamping device including: a clamping lower plate to be inserted under the poultry tenderloin in a width direction relative to a longitudinal direction of the poultry tenderloin of the poultry carcass held by the fixing jig; and a clamping upper plate to be supported above the poultry tenderloin, the clamping device being configured to clamp the poultry tenderloin between the clamping lower plate and the clamping upper plate when the poultry tenderloin extraction body section moves toward the fixing jig. The apparatus is configured to, while the poultry tenderloin is clamped between the clamping lower plate and the clamping upper plate, separate the poultry tenderloin from the poultry carcass by a movement of the fixing jig toward a front side in the conveying direction and a movement of the poultry tenderloin extraction body section away from the fixing jig by the second moving unit.


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.


Patent
Mayekawa Manufacturing Co. and Railway Technical Research Institute | Date: 2016-02-03

Provided is a cooling device for a superconductive cable which can be installed in a limited installation space with an efficient arrangement. A cooling device (10) cools a superconducting cable (11), by supplying and circulating a refrigerant. The cooling device (10) includes a reservoir tank (12) which stores the refrigerant, a circulation pump unit (13) which pumps the refrigerant, and a cooling unit (14) which cools the refrigerant. The circulation pump unit and the cooling unit are accommodated in the reservoir tank, whereby a compact cooling device can be achieved.


Patent
Mayekawa Manufacturing Co. | Date: 2016-11-30

A CO2 water heater includes: a CO2 circulation path 14; a compressor 16, a gas cooler 18 and an expansion valve 20 provided on the CO2 circulation path 14; a bypass passage 30 to bypass the expansion valve 20; a supercritical tank 32 and flow regulating valves (34, 35) provided on the bypass passage 30. The CO2 circulation path 14 has two CO2 branch passages (14b, 14c) branched in a parallel manner between the compressor 16 and a downstream portion of the expansion valve 20. An air-heat-source heat exchanger (22a, 22b) is provided on the CO2 branch passage 14b, and a water-heat-source heat exchanger 24 is provided on the CO2 branch passage 14c. Electromagnetic valves (48, 50) to switch a CO2 flow path to the CO2 branch passage 14b or the CO2 branch passage 14c, and a blower 46 to form an air flow to be sent to the air-heat-source heat exchanger (22a, 22b) are provided.


Patent
Mayekawa Manufacturing Co. | Date: 2016-08-17

To reduce heat transfer from leakage fluid from a compressor side to an expander in a casing of an expander-integrated compressor to improve the coefficient of performance (COP) of a refrigerator, the expander-integrated compressor includes a motor, a compressor connected to an output shaft of the motor, an expander connected to the output shaft of the motor, a non-contact bearing disposed between the compressor and the expander, a casing, and an extraction line provided so as to be in communicated with a region between the compressor and the expander in the internal space of the casing and configured to extract, from the region, the leakage fluid from the compressor side toward the expander side in the casing and to send the leakage fluid to a fluid line connected to the intake side or the discharge side of the compressor outside the casing. The casing is configured to seal the region from outside of the casing so that the flow of the at least a part of the leakage fluid through the extraction line is the only flow of fluid between the region and the outside of the casing.


Patent
Mayekawa Manufacturing Co. | Date: 2016-01-20

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.

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