Patents by Inventor Eisaku Takeya

Eisaku Takeya 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).

  • Oil separator for a blowby gas ventilation system of an internal combustion engine
    Patent number: 4723529
    Abstract: An oil sparator for a blowby gas ventilation system of an internal combustion engine which includes a cylinder head cover, a baffle plate, a blowby gas path formed between the cylinder head cover and the baffle plate, and a filter provided in the blowby gas path. A groove is formed in the baffle plate and extends along the filter over the entire width of a top wall of the baffle plate. The filtered oil collects in the groove and does not appear on the upper surface of the top wall of the baffle plate. Therefore, the collected oil in the groove does not flow through the filter together with the blowby gas. As a result, oil consumption is decreased and oil blow-out through a blowby gas outlet is prevented.
    Type: Grant
    Filed: July 10, 1986
    Date of Patent: February 9, 1988
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tatsuhisa Yokoi, Yasuji Nishi, Eisaku Takeya
  • Intake manifold for internal combustion engine having exhaust gas recirculation system
    Patent number: 4672939
    Abstract: An intake manifold (2) for an internal combustion engine equipped with an exhaust gas recirculation (EGR) system capable of recirculation a part of the exhaust gas to the intake system, having a configuration capable of preventing oil contained in the blow-by gas supplied by a positive crankcase ventilation (PCV) system or the air supplied by a turbocharger from flowing into the EGR gas outlet (10) of the EGR system opened to the intake manifold (2). The EGR outlet (10) is formed in the upper section of the interior of the intake manifold (2) so that the flow of oil into the EGR gas outlet (10) is impeded.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: June 16, 1987
    Assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Tatsuhisa Yokoi, Eisaku Takeya, Kyo Hattori, Kazuo Abe, Hideyuki Osawa
  • Intake manifold for internal combustion engine having exhaust gas recirculation system
    Patent number: 4648373
    Abstract: An intake manifold (2) for an internal combustion engine equipped with an exhaust gas recirculation (EGR) system for recirculating a part of the exhaust gas to the intake system, having a V-shaped rib (13) formed on the inner surface thereof with the vertex (13a) directed upstream with respect to the flow of the intake air. The V-shaped rib is positioned upstream of the EGR gas outlet (10) of the EGR system so that oil contained in blow-by gas supplied by a positive crankcase ventilation (PCV) system or charged-air supplied by a turbocharger into the intake manifold (2) does not flow into the EGR gas outlet (10), but flows away from the EGR gas outlet (10). Therefore, the deposition of sludge around the EGR gas outlet (10) is prevented and a sufficient EGR rate is secured.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: March 10, 1987
    Assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Yoshikazu Noguchi, Tatsuhisa Yokoi, Eisaku Takeya, Hideyuki Osawa