Title:
CAPACITY CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2020/204136
Kind Code:
A1
Abstract:
Provided is a capacity control valve that exhibits a high control precision during normal control and that is superior in energy efficiency. This capacity control valve V is provided with: a valve housing 10 in which are formed a discharge port 12 through which passes a discharged fluid under a discharge pressure Pd, a suction port 14 through which passes a suctioned fluid under a suction pressure Ps, and a control port 13 through which passes a control fluid under a control pressure Pc; a rod 83 that is driven by a solenoid 80; and a main valve 50 that is configured by a main valve seat 10a and a main valve body 51, and that opens and closes communication between the discharge port 12 and the control port 13 by moving the rod 83, wherein, a CS valve 56, that is controlled by the dynamic pressure of the fluid flowing from the discharge port 12 toward the control port 13 due to the opening of the main valve 50, is provided between the control port 13 and the suction port 14.
Inventors:
HAYAMA MASAHIRO (JP)
FUKUDOME KOHEI (JP)
EJIMA TAKAHIRO (JP)
TAKAHASHI WATARU (JP)
SHIRAFUJI KEIGO (JP)
FUKUDOME KOHEI (JP)
EJIMA TAKAHIRO (JP)
TAKAHASHI WATARU (JP)
SHIRAFUJI KEIGO (JP)
Application Number:
PCT/JP2020/015181
Publication Date:
October 08, 2020
Filing Date:
April 02, 2020
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F04B27/18; F16K11/00; F16K11/10; F16K31/06
Foreign References:
| JP2019002384A | 2019-01-10 | |||
| JP5167121B2 | 2013-03-21 |
Other References:
See also references of EP 3951172A4
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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