Patents by Inventor Ayako SAKURAI

Ayako SAKURAI 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).

  • Engine equipped with supercharger
    Patent number: 11261780
    Abstract: There is provided an engine equipped with a supercharger that suppresses heat deterioration of engine oil. The engine equipped with a supercharger includes a supercharger; an oil supply passage that supplies engine oil to a shaft bearing part of the supercharger; an oil discharge passage that discharges the engine oil from the shaft bearing part of the supercharger; and a water-cooling-type oil cooler. The water-cooling-type oil cooler is provided in the oil discharge passage, and the engine oil discharged from the shaft bearing part of the supercharger is cooled by the engine cooling water that passes the water-cooling-type oil cooler. The engine cooling water is desirably supplied from the cylinder jacket to the water-cooling-type oil cooler.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: March 1, 2022
    Assignee: KUBOTA CORPORATION
    Inventors: Hiroki Oso, Nobuyoshi Okada, Shingo Matsunobu, Yoshinori Tanaka, Ayako Sakurai
  • ENGINE EQUIPPED WITH SUPERCHARGER
    Publication number: 20200132122
    Abstract: There is provided an engine equipped with a supercharger that suppresses heat deterioration of engine oil. The engine equipped with a supercharger includes a supercharger; an oil supply passage that supplies engine oil to a shaft bearing part of the supercharger; an oil discharge passage that discharges the engine oil from the shaft bearing part of the supercharger; and a water-cooling-type oil cooler. The water-cooling-type oil cooler is provided in the oil discharge passage, and the engine oil discharged from the shaft bearing part of the supercharger is cooled by the engine cooling water that passes the water-cooling-type oil cooler. The engine cooling water is desirably supplied from the cylinder jacket to the water-cooling-type oil cooler.
    Type: Application
    Filed: October 22, 2019
    Publication date: April 30, 2020
    Inventors: Hiroki OSO, Nobuyoshi OKADA, Shingo MATSUNOBU, Yoshinori TANAKA, Ayako SAKURAI