CONTROL VALVE FOR VARIABLE-CAPACITY COMPRESSOR

Title:

CONTROL VALVE FOR VARIABLE-CAPACITY COMPRESSOR

Document Type and Number:

WIPO Patent Application WO/2018/003252

Kind Code:

A1

Abstract:

Provided is a control valve for variable-capacity compressor, with which it is possible to reduce the number of components and achieve resultant cost reductions, and promote the stability of control. A pushrod 46 is interposed between an auxiliary valve element 17 and a bellows device which serves as a pressure-sensitive response member, and in order to impel the auxiliary valve element 17 in a direction to close the internal relief passage 16 and to hold the bellows device 40 within the pressure-sensitive chamber 45 via the pushrod 46, a plunger spring (impelling member) 47 that impels the auxiliary valve element 17 and the pushrod 46 away from one another is provided between the auxiliary valve 17 and the pushrod 46.

Inventors:

KUME YOSHIYUKI (JP)
ASANO HISASHI (JP)
SAKAMOTO TAKASHI (JP)
ITOH MASAHARU (JP)

Application Number:

PCT/JP2017/015860

Publication Date:

January 04, 2018

Filing Date:

April 20, 2017

Export Citation:

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Assignee:

FUJIKOKI CORP (JP)

International Classes:

F16K31/06; F04B27/18; F16K11/044; F16K11/048

Foreign References:

JP2012246914A

2012-12-13

Other References: