Patents by Inventor Yosuke TSURUOKA

Yosuke TSURUOKA 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).

  • Scroll compressor with different chamfered corners
    Patent number: 10458407
    Abstract: A scroll compressor includes a first chamfered portion formed at a distal end portion of a spiral blade of a fixed scroll, a second chamfered portion formed at a distal end portion of a spiral blade of an orbiting scroll, a third chamfered portion formed at a bottom portion of the spiral blade of the fixed scroll, and a fourth chamfered portion formed at a bottom portion of the spiral blade of the orbiting scroll. An expression of 0<{(Av1+Av2)/2}/Ac<1×10?4 is satisfied where a sectional area of a space between the first chamfered portion and the fourth chamfered portion is defined as Av1, a sectional area of a space between the second chamfered portion and the third chamfered portion is defined as Av2, and a sectional area of a compression chamber is defined as Ac.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: October 29, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Fumikazu Nagaoka, Masashi Myogahara, Keisuke Narumi, Yosuke Tsuruoka
  • SCROLL COMPRESSOR
    Publication number: 20180017055
    Abstract: A scroll compressor includes a first chamfered portion formed at a distal end potion of a spiral blade of a fixed scroll, a second chamfered portion formed at a distal end portion of a spiral blade of an orbiting scroll, a third chamfered portion formed at a bottom portion of the spiral blade of the fixed scroll, and a fourth chamfered portion formed at a bottom portion of the spiral blade of the orbiting scroll. An expression of 0<{(Av1+Av2)/2}/Ac<1×10?4 is satisfied where a sectional area of a space between the first chamfered portion and the fourth chamfered portion is defined as Av1, a sectional area of a space between the second chamfered portion and the third chamfered portion is defined as Av2, and a sectional area of a compression chamber is defined as Ac.
    Type: Application
    Filed: April 16, 2015
    Publication date: January 18, 2018
    Inventors: Fumikazu NAGAOKA, Masashi MYOGAHARA, Keisuke NARUMI, Yosuke TSURUOKA