Patents by Inventor Motohiko Fukuoka

Motohiko Fukuoka 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).

  • Publication number: 20200363076
    Abstract: An air conditioning unit that blows out temperature-controlled air to a front side indoors, includes: a fan; a rectangular casing in which the fan is disposed; and an air passage forming member that is disposed on an air-flow downstream side of the fan and that forms an air passage having a circular cross-sectional shape. The rectangular casing has a first side, a second side, a third side, and a fourth side when viewed from a front direction of the casing. The first side is parallel to the second side, and the third side is parallel to the fourth side. A smaller one of a first distance between the first side and the second side and a second distance between the third side and the fourth side is no greater than 2.5 times a diameter of a cross section of the air passage.
    Type: Application
    Filed: December 21, 2018
    Publication date: November 19, 2020
    Inventors: Akiyoshi Yamamoto, Noriyuki Okuda, Motohiko Fukuoka, Masashi Kamada, Hiroshi Fuchikami, Kenshi Tsuji
  • Publication number: 20130175351
    Abstract: An expansion valve for a refrigerant circuit of a refrigeration apparatus is configured to depressurize a liquid refrigerant. The expansion valve includes a valve main body with a valve seat opening into a valve chest formed in the valve main body and a valve body movable relative to the valve chest in a reciprocating manner. An orifice is formed in the valve seat. The orifice has an orifice entrance with a smallest diameter, an orifice middle section widening in diameter along a direction of refrigerant outflow from the orifice entrance so as to form a first taper angle, and an orifice exit either widening in diameter or not in diameter along the direction of refrigerant outflow from the orifice middle section so as to form a second taper angle smaller than the first taper angle.
    Type: Application
    Filed: September 22, 2011
    Publication date: July 11, 2013
    Inventors: Yoshimasa Kikuchi, Shigetaka Wakisaka, Takashi Shimamura, Keiji Tomioka, Motohiko Fukuoka