Patents by Inventor Masahiro Imamura

Masahiro Imamura 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: 5623851
    Abstract: A transmission for an electric vehicle that allows forward movement in a first shift stage with hydraulic pressure failure and permits forward and rearward towing. The first shift stage of the transmission T is established by a main first-shift gear 19 which is brought into and out of engagement with a main shaft Sm connected to an electric motor Mm through a towing clutch 50, and by a counter first-shift gear 26 carried on a counter shaft Sc with one-way clutch 47 interposed therebetween. During backward towing of the vehicle, the rotation of a driven wheel is reversely transmitted by way of the counter shaft Sc, the one-way clutch 47, and the counter first-shift gear 26 to the main first-shift gear 19, but by actuating the towing clutch 47 into a disengaged state to disengage the main first-shift gear 19 from the main shaft Sm, the electric motor Mm can be prevented from being forcibly driven and being damaged.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: April 29, 1997
    Assignee: Honda Giken Kogyo Kasbushiki Kaisha
    Inventors: Kazuo Ooyama, Masahiro Imamura, Makoto Kojima
  • Patent number: 5257675
    Abstract: A power transmitting apparatus that includes an engine, a transmission disposed alongside of the engine in juxtaposed relation; and gears, a chain, a belt, or the like operatively coupling the output shaft of the engine and the input shaft of the transmission. The transmission comprises a countershaft-type transmission having, in addition to the input shaft, a countershaft and an output axis of rotation which extend parallel to the input shaft. The countershaft is disposed more closely to the engine than a plane which passes through the input shaft and the output axis of rotation of the transmission. Preferably, the output shaft of the engine and the input shaft of the transmission are operatively coupled with a resilient belt trained around a drive pulley coupled to the output shaft of the engine and a driven pulley coupled to the input shaft of the transmission.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: November 2, 1993
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Junichi Araki, Tomokazu Takeda, Masahiro Imamura, Yorinori Kumagai, Masayuki Tamura