The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 1987
Filed:
Aug. 21, 1986
Hiroyuki Umemura, Shizuoka, JP;
Kenji Matsuda, Shizuoka, JP;
Tomofumi Tezuka, Shizuoka, JP;
Kazuaki Isono, Shizuoka, JP;
Hidenori Ishioka, Shizuoka, JP;
Fumio Matsuoka, Kamakura, JP;
Hitoshi Iijima, Amagasaki, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An air conditioning apparatus comprises a refrigerant circuit in which a compressor, a four-way valve, a room side heat exchanger, a pressure-reducing device and an outdoor side heat exchanger are connected in this order, wherein there is provided with a refrigerant temperature detector provided at a pipe line near the outdoor side heat exchanger, a room temperature detector for detecting temperature of a room and a controlling device which is electrically connected to the refrigerant temperature detector and the room temperature detector, said controlling device controlling operations for room-warming and defrosting based on inputs from the detectors.