Title:
REFRIGERATING CYCLE SYSTEM
Document Type and Number:
Japanese Patent JP3193094
Kind Code:
B2
Abstract:
PURPOSE: To provide refrigerating cycle system capable of performing an inspection of state of refrigerant through a sight glass in an inspection window without any trouble and having a less amount of exclusive space in the case that mixture material having refrigerating machine oil and non-fluorocarbon gas not harmful against environment of the earth melted to each other is used as refrigerant.
CONSTITUTION: A compressor 1, a condensor 3, an evaporator 7 and an expansion valve 6, a liquid receiver 4 and an inspection window 5 are connected to each other by pipings 2 so as to construct a circulating system. Mixture material of non-fluorocarbon gas and refrigerating machine oil is circulated as refrigerants G1, G2 and L in a refrigerating cycle system. The system is comprised of the expansion valve 6 arranged at an upstream side of the evaporator 7 and the inspection window 5 arranged at the upstream side of the expansion valve 6. The inspection window 5 is arranged in side-by-side relation while being abutted against a piping part 2d-1 at the downstream side of the evaporator 7.
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Inventors:
Kozo Shiomoto
Shinsaku Kanda
Shinsaku Kanda
Application Number:
JP2788692A
Publication Date:
July 30, 2001
Filing Date:
February 14, 1992
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
B60H1/32; F25B1/00; F25B49/02; (IPC1-7): F25B49/02; F25B1/00
Attorney, Agent or Firm:
Yasunori Otsuka (1 person outside)