Patents by Inventor Shigeki Ohseki

Shigeki Ohseki 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).

  • Air conditioner
    Patent number: 6425257
    Abstract: An object of the present invention is to provide an air conditioner which can efficiently vaporize the refrigerant using the waste heat of the engine; which has a stable heating capability regardless of the temperature of the outside air, and which can decease the electric power required for the fan and thereby decrease the noise due to the fan, in a heating operation; in order to achieve the object, the present invention provide an air conditioner comprising: a refrigerant circuit comprising a compressor for compressing a refrigerant; an outer heat exchanger for exchanging heat between the refrigerant and outside air; a restrictor for restricting the refrigerant flowing out from a water heat exchanger; and an inner heat exchanger for exchanging heat between inside air and the refrigerant; an engine cooling water circuit comprising an engine for driving the compressor; and a radiator for exchanging heat between engine cooling water and outside air; and a water heat exchanger for exchanging heat between the re
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: July 30, 2002
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Shigeki Ohseki, Takaaki Ohtsuka, Hideaki Kasahara, Atsushi Yoshimura