Ejector

a technology of ejector and nozzle, which is applied in the direction of machines/engines, subcoolers, lighting and heating apparatus, etc., can solve the problems the boiling delay of partial liquid-phase refrigerant, and the inability to improve the efficiency of the nozzle to a desired value, so as to achieve the effect of reducing the efficiency of the nozzle of the ejector
US20160090995A1Inactive Publication Date: 2016-03-31DENSO CORP
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
DENSO CORP
Publication Date
2016-03-31
Estimated Expiration
Not applicable · inactive patent

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Abstract

A swirling space in which a refrigerant is swirled into a gas-liquid mixing state includes an upstream swirling space in which the refrigerant flowing from an external is swirled, and a downstream swirling space in which the refrigerant flowing from the upstream swirling space is introduced into a nozzle passage while swirling. Further, a cross-sectional shape of an outlet part of the upstream swirling space is formed into an annular shape along an outer peripheral shape of the upstream swirling space.
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Description

CROSS REFERENCE TO RELATED APPLICATION

[0001] This application is based on and incorporates herein by reference Japanese Patent Application No. 2013-103141 filed on May 15, 2013.TECHNICAL FIELD

[0002] The present disclosure relates to an ejector that depressurizes a fluid, and draws the fluid by a suction action of an ejection fluid at high speed.BACKGROUND ART

[0003] Up to now, Patent Document 1 discloses a depressurizing device that is applied to a vapor compression refrigeration cycle device, and depressurizes the refrigerant.

[0004] The depressurizing device of Patent Document 1 has a main body that defines a swirling space in which the refrigerant is swirled, and swirls the refrigerant within the swirling space, to thereby reduce a refrigerant pressure on a swirling center side to a pressure at which the refrigerant is depressurized and boiled (cavitation occurs). Further, the depressurizing device allows the refrigerant in a gas-liquid mixing state in which a gas-phase refrigerant and...

Claims

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