BR112023012738A2 - Máquina elétrica rotativa, conjuntos de núcleo do estator e núcleo do rotor e de chapas de aço elétrico não orientadas, e, métodos para fabricar uma máquina elétrica rotativa, para fabricar uma chapa de aço elétrico não orientada e para fabricar um estator e um rotor - Google Patents

Máquina elétrica rotativa, conjuntos de núcleo do estator e núcleo do rotor e de chapas de aço elétrico não orientadas, e, métodos para fabricar uma máquina elétrica rotativa, para fabricar uma chapa de aço elétrico não orientada e para fabricar um estator e um rotor

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Publication number
BR112023012738A2
BR112023012738A2 BR112023012738A BR112023012738A BR112023012738A2 BR 112023012738 A2 BR112023012738 A2 BR 112023012738A2 BR 112023012738 A BR112023012738 A BR 112023012738A BR 112023012738 A BR112023012738 A BR 112023012738A BR 112023012738 A2 BR112023012738 A2 BR 112023012738A2
Authority
BR
Brazil
Prior art keywords
manufacturing
rotor
stator
steel sheet
oriented
Prior art date
Application number
BR112023012738A
Other languages
English (en)
Inventor
Tesshu Murakawa
Yoshiaki Natori
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BR112023012738A2 publication Critical patent/BR112023012738A2/pt

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    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
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  • Manufacture Of Motors, Generators (AREA)

Abstract

máquina elétrica rotativa, conjuntos de núcleo do estator e núcleo do rotor e de chapas de aço elétrico não orientadas, e, métodos para fabricar uma máquina elétrica rotativa, para fabricar uma chapa de aço elétrico não orientada e para fabricar um estator e um rotor. esta máquina elétrica rotativa inclui um estator, um rotor e um alojamento que aloja o estator e o rotor, em que pelo menos uma das seguintes condições 1 e 2 é satisfeita. condição 1. a condutividade térmica a de uma chapa de aço elétrico não orientada usada em um núcleo de ferro do estator é de 12 a 35 w/(m·k), a condutividade térmica b da chapa de aço elétrico não orientada usada em um núcleo de ferro do rotor é de 10 a 33 w/(m·k), e as condutividades térmicas dos dois satisfazem a seguinte fórmula (1): a > b. condição 2. a difusividade térmica a1 da chapa de aço elétrico não orientada usada no núcleo de ferro do estator é de 3,0 × 10-6 a 9,0 × 10-6 m2/sw/(m·k), a difusividade térmica b1 da chapa de aço elétrico não orientada usada no núcleo de ferro do rotor é de 2,5 × 10-6 a 8,5 × 10-6 m2/sw/(m·k), e as difusividades térmicas das duas satisfazem a seguinte fórmula (3): a1 > b1.
BR112023012738A 2021-03-31 2022-03-30 Máquina elétrica rotativa, conjuntos de núcleo do estator e núcleo do rotor e de chapas de aço elétrico não orientadas, e, métodos para fabricar uma máquina elétrica rotativa, para fabricar uma chapa de aço elétrico não orientada e para fabricar um estator e um rotor BR112023012738A2 (pt)

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PCT/JP2022/016049 WO2022210895A1 (ja) 2021-03-31 2022-03-30 回転電機、ステータの鉄心及びロータの鉄心のセット、回転電機の製造方法、ステータ用無方向性電磁鋼板及びロータ用無方向性電磁鋼板の製造方法、ステータ及びロータの製造方法、及び、無方向性電磁鋼板のセット

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