REFRIGERATING PLANT - DAIKIN IND LTD

Title:

REFRIGERATING PLANT

Document Type and Number:

WIPO Patent Application WO/1999/039138

Kind Code:

A1

Abstract:

A refrigerating plant, comprising a primary side refrigerant circuit formed with a compressor (2), the radiation part (3A) of a heat exchanger for heating (3), a motor-driven expansion valve (4), and the heat absorbing part (5A) of a heat exchanger for cooling (5) connected to each other and a secondary refrigerant circuit (10) formed with a pump (11), the heat absorbing part (3B) of the heat exchanger for heating (3), a No. 1 indoor heat exchanger (12), a motor-driven expansion valve (13), a No. 2 indoor heat exchanger (14), and the radiation part (5B) of the heat exchanger for cooling (5) connected to each other, wherein liquid refrigerant delivered from the pump (11) is evaporated at the heat absorbing part (3B) of the heat exchanger for heating (3) and, after its pressure is reduced by the motor-driven expansion valve (13), evaporated at the No. 2 indoor heat exchanger (14), and then the gas refrigerant is returned to the pump (11) after condensed in the radiation part (5B) of the heat exchanger for cooling (5).

Inventors:

HORI YASUSHI (JP)
SADA SHINRI (JP)

Application Number:

PCT/JP1999/000368

Publication Date:

August 05, 1999

Filing Date:

January 29, 1999

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)
HORI YASUSHI (JP)
SADA SHINRI (JP)

International Classes:

F25B25/00; F25D17/02; F25B1/00; F25B29/00; (IPC1-7): F24F5/00; F25B1/00; F25B29/00

Foreign References:

JPS62238951A	1987-10-19
JPH05141793A	1993-06-08
JPH0682110A	1994-03-22
JPS62238951A	1987-10-19
JPH08211094A	1996-08-20

Other References: