Patents by Inventor Toshinori OTE

Toshinori OTE 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-conditioning apparatus
    Patent number: 10598413
    Abstract: An air-conditioning apparatus includes: a refrigerant circuit including a compressor, an indoor heat exchanger, an expansion valve, and an outdoor heat exchanger that are connected by a refrigerant pipe so that refrigerant circulates through the refrigerant circuit; and a controller configured to control an operation state of the compressor, in which the controller is configured to estimate an oil concentration inside the compressor based on a temperature of gas refrigerant discharged from the compressor and a pressure of the gas refrigerant discharged from the compressor, and when the oil concentration is less than an oil concentration reference value, continue an operation of the compressor even under a state in which the thermo-off condition is satisfied.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: March 24, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventor: Toshinori Ote
  • AIR-CONDITIONING APPARATUS
    Publication number: 20180073786
    Abstract: An air-conditioning apparatus includes: a refrigerant circuit including a compressor, an indoor heat exchanger, an expansion valve, and an outdoor heat exchanger that are connected by a refrigerant pipe so that refrigerant circulates through the refrigerant circuit; and a controller configured to control an operation state of the compressor, in which the controller is configured to estimate an oil concentration inside the compressor based on a temperature of gas refrigerant discharged from the compressor and a pressure of the gas refrigerant discharged from the compressor, and when the oil concentration is less than an oil concentration reference value, continue an operation of the compressor even under a state in which the thermo-off condition is satisfied.
    Type: Application
    Filed: July 8, 2015
    Publication date: March 15, 2018
    Inventor: Toshinori OTE