Patents by Inventor Yoshio Ohkawara

Yoshio Ohkawara 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).

  • Chilling system
    Patent number: 6508068
    Abstract: Provision of a chilling system accomplishing a reduction in the amount of energy expended and in energy loss. The chilling system includes a load (H); a chilling circuit (A) for chilling or cooling the load with a refrigerant; a heat-dissipating mechanism (5) for dissipating heat of the refrigerant in the chilling circuit (A) to the outside; a refrigerant tank (8) connected to the chilling circuit (A) via a confluent valve (13); a chiller for maintaining the refrigerant stored in the refrigerant tank (8) at a predetermined temperature; a controller (12) for controlling the degree of valve opening of the confluent valve (13); and a temperature sensor (14) for detecting a temperature of the refrigerant in the chilling circuit (A).
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: January 21, 2003
    Assignee: Innotech Corporation
    Inventor: Yoshio Ohkawara
  • Chilling system
    Publication number: 20020066280
    Abstract: Provision of a chilling system accomplishing a reduction in the amount of energy expended and in energy loss. The chilling system includes a load (H); a chilling circuit (A) for chilling or cooling the load with a refrigerant; a heat-dissipating mechanism (5) for dissipating heat of the refrigerant in the chilling circuit (A) to the outside; a refrigerant tank (8) connected to the chilling circuit (A) via a confluent valve (13); a chiller for maintaining the refrigerant stored in the refrigerant tank (8) at a predetermined temperature; a controller (12) for controlling the degree of valve opening of the confluent valve (13); and a temperature sensor (14) for detecting a temperature of the refrigerant in the chilling circuit (A).
    Type: Application
    Filed: November 29, 2001
    Publication date: June 6, 2002
    Applicant: INNOTECH CORPORATION
    Inventor: Yoshio Ohkawara