Patents by Inventor Makota Yamamoto

Makota Yamamoto 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).

  • Adsorption type cooling apparatus, method of controlling cold output of same, and fin type adsorbent heat exchanger for use in same
    Patent number: 6041617
    Abstract: According to the invention, the temperature and flow rate of cooling water for removing the heat of absorption are controlled artificially according to the cold output of load water by utilizing heated cooling water after the removal of the heat of absorption or heat source water, etc. According to the invention, a coolant tank and a load heat exchanger unit are provided as separate units. A load carrier is provided for cooling the load while partly evaporating the coolant through heat exchange between liquid coolant supplied from the coolant supplied from the coolant tank through a pump and the load. Mixture fluid of liquid coolant and vapor coolant after the heat exchange in the load cooler are returned to the coolant tank for separation of gas and liquid. Because the coolant tank and the load cooler are provided separately, the heat exchange with the load is performed by utilizing the latent heat of evaporation of coolant independently of possible temperature variations in the coolant tank.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: March 28, 2000
    Assignee: Mayekawa Mfg. Co., Ltd.
    Inventors: Masaru Sanada, Makota Yamamoto, Fujio Komatu, Makoto Fujii
  • Adsorption type cooling apparatus, method of controlling cold output of same, and fin type adsorbent heat exchanger for use in the same
    Patent number: 5732569
    Abstract: This invention seeks to provide an adsorption type air cooler, which has high COP and is capable of stable operation for long time. In the prior art, when vapor coolant produced through heat exchange with load water in a coolant tank functioning as an evaporator is adsorbed in an adsorbent heat exchanger, cooling water for removing the heat of adsorption is circulated at a constant temperature and a constant flow rate determined by normal environment.According to the invention as claimed in claim 1, the temperature and flow rate of cooling water for removing the heat of adsorption are controlled artificially according to the cold output of load water by utilizing heated cooling water after the removal of the heat of adsorption or heat source water, etc.According to the invention as claimed in claim 1, a coolant tank and a load heat exchanger unit are provided as separate units.
    Type: Grant
    Filed: August 15, 1996
    Date of Patent: March 31, 1998
    Assignee: Mayekawa Mfg. Co., Ltd.
    Inventors: Masaru Sanada, Makota Yamamoto, Fujio Komatu, Makoto Fujii