Ejector for vapor-compression refrigerant cycle

Details Ejector for vapor-compression refrigerant cycle Ejector for vapor-compression refrigerant cycle

2005-07-19

2005-07-19

Jones, Melvin (Department: 3744)

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

C062S191000, C062S512000

Reexamination Certificate

active

06918266

ABSTRACT:
In an ejector, a nozzle is provided within a housing to defining a passage portion around the nozzle, and a suction port is provided in the housing to draw a refrigerant by entrainment of a driving refrigerant jetted from the nozzle. Further, a wall portion is provided in the housing such that the refrigerant drawn from the suction port into the passage portion is prevented from flowing toward an inlet side of the nozzle from a position of the suction port in an axial direction of the nozzle. Therefore, all of the refrigerant flowing from the suction port flows toward an outlet side of the nozzle without flowing toward the inlet side of the nozzle from the position of the suction port in the axial direction. Thus, it can prevent a large pressure loss from being caused in the refrigerant sucked from the suction port, and ejector efficiency can be effectively increased.

REFERENCES:
patent: 6477857 (2002-11-01), Takeuchi et al.
patent: 6574987 (2003-06-01), Takeuchi et al.
patent: 6604379 (2003-08-01), Hotta et al.
patent: 10-205898 (1998-08-01), None
patent: 2003-97499 (2003-04-01), None
patent: 2003-336915 (2003-11-01), None

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