Patents by Inventor Tetsuya NAGAMICHI

Tetsuya NAGAMICHI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • TUBE ASSEMBLY, COMPRESSOR, REFRIGERATION APPARATUS, AND METHOD OF MANUFACTURING TUBE ASSEMBLY
    Publication number: 20240309975
    Abstract: A tube assembly includes inner and outer tubes, and a brazing material. The inner tube has an outer peripheral surface first portion and an outer peripheral surface second portion. The outer tube has an inner peripheral surface first portion and an inner peripheral surface second portion. The inner and outer tubes form a refrigerant passage of a compressor. The inner peripheral surface first portion is located adjacent an end of the outer tube. The inner peripheral surface second portion is located spaced from the end as compared with the inner peripheral surface first portion. The outer peripheral surface first portion is press-fitted into the inner peripheral surface first portion. The brazing material is disposed in a brazing gap between the outer peripheral surface second portion and the inner peripheral surface second portion. The brazing material fixes the outer peripheral surface second portion and the inner peripheral surface second portion.
    Type: Application
    Filed: May 27, 2024
    Publication date: September 19, 2024
    Inventors: Kenji NAGAHARA, Yoshitomo TSUKA, Tetsuya NAGAMICHI, Kousuke ARAKI