Patents by Inventor Yasuki Ohta

Yasuki Ohta 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).

  • Patent number: 8225770
    Abstract: A fuel injector assembly includes a modular fuel injector unit and a cylinder head side member. The modular fuel injector unit includes a first fuel injector with a first seal, a second fuel injector with a second seal and a fuel distribution pipe coupled together as a single installable unit. The cylinder head side member includes a first insertion hole with a first fitting section and a second insertion hole with a second fitting section. The first and second insertion holes and the first and second seals of the first and second fuel injectors are arranged such that as the modular fuel injector unit is being mounted to the cylinder head side member, the first seal undergoes a maximum compressive deformation in the first fitting section at a time that does not coincide with a time that the second seal undergoes a maximum compressive deformation in the second fitting section.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: July 24, 2012
    Assignee: Aichi Machine Industry Co., Ltd.
    Inventors: Yasuki Ohta, Tomohiko Iwase
  • Publication number: 20100242917
    Abstract: A fuel injector assembly includes a modular fuel injector unit and a cylinder head side member. The modular fuel injector unit includes a first fuel injector with a first seal, a second fuel injector with a second seal and a fuel distribution pipe coupled together as a single installable unit. The cylinder head side member includes a first insertion hole with a first fitting section and a second insertion hole with a second fitting section. The first and second insertion holes and the first and second seals of the first and second fuel injectors are arranged such that as the modular fuel injector unit is being mounted to the cylinder head side member, the first seal undergoes a maximum compressive deformation in the first fitting section at a time that does not coincide with a time that the second seal undergoes a maximum compressive deformation in the second fitting section.
    Type: Application
    Filed: February 12, 2010
    Publication date: September 30, 2010
    Applicant: AICHI MACHINE INDUSTRY CO., LTD.
    Inventors: Yasuki OHTA, Tomohiko IWASE
  • Patent number: 7171937
    Abstract: An oil pan for internal combustion engine which is lightweight and has improved stiffness and vibration suppression, achieved by reducing the number of components. The oil pan includes an upper portion to be attached to the bottom portion of a cylinder block directly or through an adaptor plate and a lower portion provided on the bottom of the upper portion, with a baffle plate formed integrally downward of the upper portion. An oil supplying means which sucks the oil accumulated in the lower portion and supplies the sucked oil to portions of the internal combustion engine is provided.
    Type: Grant
    Filed: May 23, 2005
    Date of Patent: February 6, 2007
    Assignee: Aichi Machine Industry Co., Ltd.
    Inventors: Masatoshi Hada, Yasuki Ohta
  • Patent number: 7131421
    Abstract: The oil pan includes an oil introducing portion that has an oil introducing plate. The oil introducing plate has an insertion hole for receiving a sucking portion of an oil strainer. The oil introducing plate extends from the periphery of the insertion hole toward a side wall of the oil pan. The oil returned from the first oil return passage is introduced to flow along the oil introducing plate via an oil falling hole formed in a baffle plate that is positioned at the bottom of a crank case of the internal combustion engine. The oil introducing portion further includes a plurality of inclined wall portions mounted on a bottom portion of the oil pan in the vicinity of the side wall of the oil pan in order to support the oil introducing plate. Opening portions are formed between the inclined wall portions and the bottom portion of the oil pan. The oil introducing plate of the oil introducing portion is located just below the oil falling hole formed in said baffle plate.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: November 7, 2006
    Assignee: Aichi Machine Industry Co., Ltd
    Inventors: Masatoshi Hada, Yasuki Ohta
  • Publication number: 20060118077
    Abstract: The oil pan includes an oil introducing means that has an oil introducing plate. The oil introducing plate has an insertion hole for receiving a sucking portion of an oil strainer. The oil introducing plate extends from the periphery of the insertion hole toward a side wall of the oil pan. The oil returned from the first oil return passage is introduced to flow along the oil introducing plate via an oil falling hole formed in a baffle plate that is positioned at the bottom of a crank case of the internal combustion engine. The oil introducing means further includes a plurality of inclined wall portions mounted on a bottom portion of the oil pan in the vicinity of the side wall of the oil pan in order to support the oil introducing plate. Opening portions are formed between the inclined wall portions and the bottom portion of the oil pan. The oil introducing plate of the oil introducing means is located just below the oil falling hole formed in said baffle plate.
    Type: Application
    Filed: June 13, 2005
    Publication date: June 8, 2006
    Inventors: Masatoshi Hada, Yasuki Ohta
  • Patent number: 7040275
    Abstract: An oil pan (6) is mounted to a lower surface of a cylinder block (1) in order to reserve an oil. An oil pump housing (7) is cast integrally with the inner side of the right side surface (6a) of the oil pan (6). A rib (14) is formed in order to connect the right side surface (6a) and a left side surface (6b) of the oil pan (6).
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: May 9, 2006
    Assignee: Aichi Machine Industry Co., Ltd.
    Inventors: Yasuki Ohta, Masatoshi Hada, Hiroyuki Kurokawa
  • Publication number: 20050279314
    Abstract: This invention provides an oil pan for internal combustion engine having an intensified stiffness and capable of suppressing vibration and radiating sound and of light weight achieved by reducing the quantity of components.
    Type: Application
    Filed: May 23, 2005
    Publication date: December 22, 2005
    Inventors: Masatoshi Hada, Yasuki Ohta
  • Publication number: 20050081815
    Abstract: An oil pan (6) is mounted to a lower surface of a cylinder block (1) in order to reserve an oil. An oil pump housing (7) is cast integrally with the inner side of the right side surface (6a) of the oil pan (6). A rib (14) is formed in order to connect the right side surface (6a) and a left side surface (6b) of the oil pan (6).
    Type: Application
    Filed: October 21, 2004
    Publication date: April 21, 2005
    Inventors: Yasuki Ohta, Masatoshi Hada, Hiroyuki Kurokawa