Refrigerant flow-amount controlling device and ejector...

Details Refrigerant flow-amount controlling device and ejector... Refrigerant flow-amount controlling device and ejector...

2007-02-15

2010-11-30

Jones, Melvin (Department: 3744)

Refrigeration

Automatic control

Vacuumized chamber with open outlet

C062S500000

Reexamination Certificate

active

07841193

ABSTRACT:
A refrigerant flow-amount controlling device for an ejector refrigerant cycle system includes an ejector having a nozzle for decompressing refrigerant of a first stream of a branch portion, a first evaporator for evaporating refrigerant flowing out of the ejector, a throttle member for decompressing refrigerant of a second stream of the branch portion, a second evaporator disposed downstream of the throttle member and upstream of a refrigerant suction portion of the ejector, and an adjusting mechanism having a temperature-sensitive deformation member that is deformed in accordance with a variation in a refrigerant temperature of the cycle system to adjust one refrigerant passage area of the nozzle portion and the throttle means. The adjusting mechanism can be provided to adjust a flow ratio of a refrigerant amount decompressed by the nozzle portion of the ejector and a refrigerant amount drawn into the refrigerant suction port of the ejector.

REFERENCES:
patent: 3701264 (1972-10-01), Newton
patent: 6477857 (2002-11-01), Takeuchi et al.
patent: 6574987 (2003-06-01), Takeuchi et al.
patent: 2005/0178150 (2005-08-01), Oshitani et al.
patent: 2005/0268644 (2005-12-01), Oshitani et al.
patent: 2007/0000262 (2007-01-01), Ikegami et al.

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