Control device for an air conditioner

U.S. Patent Number: 5379606

Abstract: An object of the present invention is to provide an air conditioner in which the feedback of liquid refrigerant to a compressor is prevented and whose refrigerating cycle is constituted with an indoor side heat exchanger, a compressor, an outdoor side heat exchanger, and a pressure reducer. The controller of the air conditioner comprises a temperature control means which performs the cooling operation for a room in controlling the start or stop of the operation of the compressor based on the change of the room temperature, a protective means which stops the operation of the compressor compulsorily independent of the operation of the temperature control means when the open air temperature becomes lower than a specified temperature, and a display means for displaying the operation of the protective means.

Inventors: Katsuki; Hikaru (Kiryu, JP), Shimizu; Masayuki (Ohizumi, JP), Kato; Minoru (Sumiyoshi, JP), Inoue; Tetsuo (Ohta, JP), Hosoya; Masakazu (Shironouchi, JP)

Assignee: Sanyo Electric Co., Ltd. (Moriguchi, JP)

Application Number: 08/051,470

Issued: 1995-01-10

Expired: 2007-01-10

Classes: 62/126 ; 62/199

Field of search: 62/126,129,130,175,199,200,208,209,203,226,228.1,228.3,229,DIG.17 236/1B 165/12,22,29

Click the image above to view patent images at uspto.gov within a frame.

Click here for the fulltext page on uspto.gov within a frame.