Title:
AN IMPROVED LEVERAGE DEVICE OF A HYDRAULIC PRESSURE REMOTE CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2021/091084
Kind Code:
A1
Abstract:
The present invention provides an improved leverage device of a hydraulic pressure remote control valve having a leverage contact face(46) characterized by being constructed with at least an involute curve(53) enabling that a contact point (49) always lies on a centerline(60) of a reciprocating plunger (25) for respectively, for operating not only a single plunger but also a pair of reciprocating plungers in adjacent coincidently, reducing traverse force on reciprocating plunger.
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Inventors:
LIM NAG BOK (KR)
Application Number:
PCT/KR2020/013237
Publication Date:
May 14, 2021
Filing Date:
September 28, 2020
Export Citation:
Assignee:
DAEHYUN HYDRAULICS CO LTD (KR)
International Classes:
F16K31/46; F15B13/02; F16K17/02; F16K31/60; F16K47/04
Foreign References:
| KR101265542B1 | 2013-05-20 | |||
| KR20170078147A | 2017-07-07 | |||
| KR20000033074A | 2000-06-15 | |||
| JP2893426B2 | 1999-05-24 | |||
| US4566492A | 1986-01-28 |
Attorney, Agent or Firm:
SHINWOO PATENT & LAW FIRM (KR)
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