Patents by Inventor Ryota Suejima

Ryota Suejima 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).

  • Incompressible fluid injection apparatus
    Patent number: 10094478
    Abstract: A grease injection valve 10 is provided having a valve body 16 including a flow path 15 the valve body. A foreign matter intrusion prevention valve 18 is provided at the upstream side of a check valve 17 in the flow path 15 of valve body 16. Grooves 47 are positioned around the periphery of a foreign matter intrusion prevention valve body 44 in the flow path 15 to provide communication between the downstream side and the upstream side of the foreign matter intrusion prevention valve body 44. When the check valve 17 has a functional failure, high-pressure grease escapes through the grooves 47 to bypass the foreign matter intrusion prevention valve body 44 and is discharged to an exterior of the grease injection valve 10. This can avoid excessive pressure caused by the grease backflow from being applied to the foreign matter intrusion prevention valve 18.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: October 9, 2018
    Assignee: Caterpillar SARL and Others
    Inventors: Seiji Iijima, Takayuki Naito, Satoshi Fujita, Ryota Suejima
  • INCOMPRESSIBLE FLUID INJECTION APPARATUS
    Publication number: 20170219101
    Abstract: A grease injection valve 10 is provided having a valve body 16 including a flow path 15 the valve body. A foreign matter intrusion prevention valve 18 is provided at the upstream side of a check valve 17 in the flow path 15 of valve body 16. Grooves 47 are positioned around the periphery of a foreign matter intrusion prevention valve body 44 in the flow path 15 to provide communication between the downstream side and the upstream side of the foreign matter intrusion prevention valve body 44. When the check valve 17 has a functional failure, high-pressure grease escapes through the grooves 47 to bypass the foreign matter intrusion prevention valve body 44 and is discharged to an exterior of the grease injection valve 10. This can avoid excessive pressure caused by the grease backflow from being applied to the foreign matter intrusion prevention valve 18.
    Type: Application
    Filed: February 3, 2017
    Publication date: August 3, 2017
    Applicants: Caterpillar SARL, Mito Kogyo Company Limited
    Inventors: Seiji Iijima, Takayuki Naito, Satoshi Fujita, Ryota Suejima