Patents by Inventor Hiroaki Unagida

Hiroaki Unagida 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 having a variable speed indoor side blower and flaps being control based on outside air temperature and indoor heat exchanger temperature
    Patent number: 9021822
    Abstract: There is disclosed an air conditioner which can realize appropriate air conditioning control in a situation closer to a feeling temperature even in a case where a floor surface of a room to be conditioned is low. The air conditioner which blows air subjected to heat exchange between the air and a user side heat exchanger into a room to be conditioned by an indoor side blower comprises a user side controller which controls a revolution speed of the indoor side blower based on the present temperature in the room and a set temperature, and this controller raises the revolution speed of the indoor side blower in a case where an outside air temperature is not higher than a predetermined revolution speed rise temperature during a heating operation.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: May 5, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hiroaki Unagida, Masato Watanabe
  • AIR CONDITIONER
    Publication number: 20110138830
    Abstract: There is disclosed an air conditioner which can realize appropriate air conditioning control in a situation closer to a feeling temperature even in a case where a floor surface of a room to be conditioned is low. The air conditioner which blows air subjected to heat exchange between the air and a user side heat exchanger into a room to be conditioned by an indoor side blower comprises a user side controller which controls a revolution speed of the indoor side blower based on the present temperature in the room and a set temperature, and this controller raises the revolution speed of the indoor side blower in a case where an outside air temperature is not higher than a predetermined revolution speed rise temperature during a heating operation.
    Type: Application
    Filed: November 22, 2010
    Publication date: June 16, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Hiroaki Unagida, Masato Watanabe