Title:
熱ポンプ装置
Document Type and Number:
Japanese Patent JP3610402
Kind Code:
B2
Abstract:
A heat pump apparatus which includes: an accumulator and a sub-accumulator for additionally accommodating the refrigerant arranged between the accumulator and the compressor, in which at least the accumulator or the sub-accumulator is provided with a flow control valve for controlling the refrigerant flow upstream of the accumulator or the sub-accumulator in association with the liquid refrigerant level detected by the level sensor; a bypass line with a bypass valve for bypassing the expansion valve, for controlling the opening of the bypass; and, preferably, a level sensor for sensing the liquid refrigerant level therein; thereby inhibiting the occurrence of foaming of the refrigerant and preventing the refrigerant from entering the compressor, especially at the start-up of the compressor.
Inventors:
Makoto Misawa
Hirofumi Yoshihara
Hirofumi Yoshihara
Application Number:
JP18585094A
Publication Date:
January 12, 2005
Filing Date:
August 08, 1994
Export Citation:
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA
International Classes:
F25B13/00; F25B27/00; F25B31/00; F25B41/04; F25B43/00; F25B1/00; F25B45/00; (IPC1-7): F25B13/00; F25B1/00; F25B27/00; F25B43/00
Domestic Patent References:
| JP6002957A | ||||
| JP54152249A | ||||
| JP55099567A |
Attorney, Agent or Firm:
Ryoichi Yamashita