CAPACITY CONTROL VALVE - EAGLE IND CO LTD

Title:

CAPACITY CONTROL VALVE

Document Type and Number:

WIPO Patent Application WO/2018/151018

Kind Code:

A1

Abstract:

[Problem] To provide a capacity control valve having an improved function of discharging a liquid refrigerant in a control chamber when a variable capacity compressor is started, the capacity control valve making it possible to shorten the start time of the variable capacity compressor and, at the same time, to increase responsiveness of capacity control at the time of control. [Solution] A capacity control valve comprising: a valve main body 2 having a first valve chamber 7 that channels a control pressure fluid and has a first valve seat surface 31A, and an internal space 4 that channels an intake pressure fluid; and a valve body 21 having an intermediate communication passage 26 that communicates the first valve chamber 7 and the internal space 4, and a first valve part 21C that separates from and comes into contact with the first valve seat surface 31A to open and close the intermediate communication passage 26; wherein the opening area of the first valve part 21C is less than the opening area of the intermediate communication passage 26.

Inventors:

HIGASHIDOZONO HIDEKI (JP)
HAYAMA MASAHIRO (JP)

Application Number:

PCT/JP2018/004500

Publication Date:

August 23, 2018

Filing Date:

February 08, 2018

Export Citation:

Click for automatic bibliography generation Help

Assignee:

EAGLE IND CO LTD (JP)

International Classes:

F04B27/18

Domestic Patent References:

WO2007119380A1

2007-10-25

Foreign References:

JP2012144986A	2012-08-02
JP5167121B2	2013-03-21

Other References: