公开(公告)号：US20230191474A1

公开(公告)日：2023-06-22

申请号：US17960933

申请日：2022-10-06

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Motoki HAYASHI ,  Hiroyuki IKUTA ,  Naoya TAKAHASHI

IPC: B22C9/10 ,  G05B13/02

CPC classification number: B22C9/10 ,  G05B13/0265

Abstract: A core quality estimation system that estimates quality of a core to be formed by filling a mold with kneaded sand produced by kneading in a kneading tank and heating the kneaded sand includes a computer that executes operations of acquiring mold temperature information of the mold, acquiring environmental information regarding a surrounding environment in which the core is formed, and estimating the quality of the core based on the mold temperature information and the environmental information.

公开(公告)号：US20210187601A1

公开(公告)日：2021-06-24

申请号：US17023781

申请日：2020-09-17

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Hiroyuki IKUTA ,  Yoshikazu ABE

IPC: B22D17/06 ,  B22D17/20

Abstract: A casting method includes loading molten metal into a cavity from a sleeve, and sending a gas into the cavity from the outside of the cavity, except the sleeve, to pressurize a gas in the cavity and to increase the pressure value of the gas in the cavity to the atmospheric pressure or higher.

公开(公告)号：US20200224289A1

公开(公告)日：2020-07-16

申请号：US16731141

申请日：2019-12-31

Applicant: The University of Tokyo ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Jun YANAGIMOTO ,  Kenshiro MIMURA ,  Dai KOBUCHI ,  Hiroyuki IKUTA ,  Takahiro ISHIGURO

IPC: C21D11/00 ,  C21D9/32

Abstract: A method for predicting a martensitic transformation rate and a method for setting processing conditions capable of improving the accuracy of a prediction of a martensitic transformation rate when a steel material is subjected to deformation processing as well as to heat treatment are provided. A method for predicting a martensitic transformation rate according to an embodiment includes predicting a rate of a transformation to a martensitic phase that appears when a steel material is subjected to deformation processing as well as to heat treatment in which a temperature of the steel material is changed, in which a martensitic transformation rate Vm is calculated by using a prediction formula, the method further including identifying parameters m and n of the prediction formula, and calculating the martensitic transformation rate at a predetermined temperature and a predetermined strain rate by using the prediction formula into which the identified parameters are substituted.

公开(公告)号：US20190135211A1

公开(公告)日：2019-05-09

申请号：US16149526

申请日：2018-10-02

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Hiroyuki IKUTA ,  Yu TAKANEZAWA ,  Rikuto TAKAGI ,  Mitsutaka YOSHIDA

IPC: B60R19/34 ,  F16F7/00 ,  B33Y10/00 ,  B33Y80/00 ,  B23K26/342

Abstract: A crash box capable of easily deforming into a bellows shape and absorbing impact energy more reliably, and its manufacturing method are provided. The present disclosure is applied to a crash box which is partly deformed in an axial direction to absorb impact energy when the crash box receives an impact in the axial direction. A first layer made of metal and a second layer made of metal containing a larger volume of bubbles than that of the first layer are alternately formed in the axial direction in the crash box according to the present disclosure.

公开(公告)号：US20170241370A1

公开(公告)日：2017-08-24

申请号：US15438143

申请日：2017-02-21

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yusei KUSAKA ,  Kazuya MIKASHIMA ,  Hiroyuki IKUTA

IPC: F02F1/14

CPC classification number: F02F1/14 ,  B22C9/103 ,  B22C9/108 ,  F02F1/24 ,  F02F2200/06

Abstract: An intake-port core includes a body part having the same outer shape as that of the intake port, a port-injector part having the same outer shape as that of a port-injector insertion part, and an extending part. A cooling-water flow-passage core includes a water-jacket core having the same outer shape as that of a water jacket. The intake-port core is inserted from the extending part thereof into the water-jacket core so as to join the cooling-water flow-passage core to the intake-port core. Thereafter, a core print part that is a separate body from the intake-port core is joined to the intake-port core.

公开(公告)号：US20180214938A1

公开(公告)日：2018-08-02

申请号：US15877500

申请日：2018-01-23

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Shoichi TSUCHIYA ,  Hiroyuki IKUTA

IPC: B22D17/16 ,  B22D17/22 ,  B22D17/20 ,  B22D17/32

CPC classification number: B22D17/16 ,  B22D17/10 ,  B22D17/2015 ,  B22D17/22 ,  B22D17/2236 ,  B22D17/32

Abstract: An analysis method for analyzing deformation of a casting in a die casting process includes obtaining a first die frictional stress exerted by a first die on the casting in a mold opening step, and calculating deformation of the casting in the mold opening step using the first die frictional stress. A predetermined frictional coefficient function is selected from a plurality of frictional coefficient functions based on casting conditions and lubrication conditions. A frictional coefficient at each portion of the casting is output by inputting a temperature of a contact surface between the casting and the first die and a contact surface pressure therebetween into the selected predetermined frictional coefficient function. The first die frictional stress acting on each portion of the casting is obtained by multiplying the contact surface pressure and the frictional coefficient.

公开(公告)号：US20190176109A1

公开(公告)日：2019-06-13

申请号：US16185190

申请日：2018-11-09

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yu TAKANEZAWA ,  Hiroyuki IKUTA

IPC: B01F7/14 ,  B01F7/00 ,  B01F15/00 ,  F28D1/04 ,  F28F13/12

Abstract: A size of an agitating mechanism can be reduced. An agitating mechanism according to an aspect of the present disclosure is an agitating mechanism for agitating fluid flowing through inside a pipe, including: a rotary body placed inside the pipe so as to be able to rotate in a circumferential direction of an inner circumferential surface of the pipe; and a regulation part configured to regulate a movement of the rotary body in a longitudinal direction of the pipe. The rotary body includes a hollow part penetrating the pipe in the longitudinal direction of the pipe and an agitating blade provided in the hollow part.

公开(公告)号：US20160296998A1

公开(公告)日：2016-10-13

申请号：US15036585

申请日：2014-10-09

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Hiroyuki IKUTA ,  Naoaki SUGIURA

IPC: B22D11/00 ,  B22D11/041 ,  B22D11/14 ,  B22D11/04

CPC classification number: B22D11/006 ,  B22D11/0403 ,  B22D11/0406 ,  B22D11/041 ,  B22D11/08 ,  B22D11/1246 ,  B22D11/145 ,  B22D18/04

Abstract: A pulling-up-type continuous casting apparatus according to an aspect of the present invention includes a molten-metal holding furnace that holds molten metal, a shape defining member disposed in a vicinity of a molten-metal surface in the molten-metal holding furnace, the shape defining member being configured to define a cross-sectional shape of a cast-metal article to be cast as the held molten metal passes through the shape defining member, and an actuator that applies a pressure to the molten metal held in the molten-metal holding furnace and thereby makes the held molten metal pass through the shape defining member.

Abstract translation: 根据本发明一个方面的提拉式连续铸造设备包括：熔融金属保持炉，其保持熔融金属;形状限定部件，设置在熔融金属保持炉中的熔融金属表面附近; 所述形状限定构件被构造成当所保持的熔融金属通过所述形状限定构件时限定待铸造的铸造金属制品的横截面形状;以及致动器，所述致动器对保持在所述熔融金属中的熔融金属施加压力 金属保持炉，从而使保持的熔融金属通过形状限定构件。

公开(公告)号：US20180221940A1

公开(公告)日：2018-08-09

申请号：US15128805

申请日：2015-03-17

Applicant: Toyota Jidosha Kabushiki Kaisha

Inventor： Hiroyuki IKUTA ,  Yuto TANAKA ,  Naoki SUGIURA

IPC: B22D11/05 ,  B22D11/14 ,  B22D11/16

CPC classification number: B22D11/05 ,  B22D11/124 ,  B22D11/145 ,  B22D11/168

Abstract: An up-thawing continuous casting method includes drawing up molten metal (M1) held in a holding furnace (101), through a shape determining member (102) that determines a sectional shape of a cast casting (M3). The sectional shape determined by the shape determining member (102) includes a round-cornered portion, and a value (Rf) of a curvature radius of the round-cornered portion that is determined by the shape determining member (102) is smaller than a design value (Rt) of a curvature radius of a round-cornered portion of the casting (M3).