Title:
ACTUATOR, VALVE, AND FLUID CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/065602
Kind Code:
A1
Abstract:
The present invention provides: an actuator having a booster mechanism with excellent durability; a valve; and a fluid control device. In a valve (1) provided with an actuator (3), a booster mechanism (30) has a plurality of first levers (31) which do not deform when a driving force is amplified, and each of the first levers (31) has: a force-point section (an inner end section (31E)) which receives a force from a spring accommodation part (22A) of a spring accommodation member (22); a support-point section (an outer end section (31D)) which contacts the bottom surface (17F) of a middle casing (17) and around which the first lever (31) rotates; and an action-point section (a section contacting a second protrusion part (33C) of an outer part (31B)) which transmits the force to a moving member (15).
Inventors:
NAKAZAWA MASAHIKO (JP)
NAKAMURA NOBUO (JP)
NAKATA TOMOHIRO (JP)
SHINOHARA TSUTOMU (JP)
NAKAMURA NOBUO (JP)
NAKATA TOMOHIRO (JP)
SHINOHARA TSUTOMU (JP)
Application Number:
PCT/JP2018/035379
Publication Date:
April 04, 2019
Filing Date:
September 25, 2018
Export Citation:
Assignee:
FUJIKIN KK (JP)
International Classes:
F16K31/44; F16H21/44; F16K31/163
Foreign References:
| US20040061084A1 | 2004-04-01 | |||
| JP2003156167A | 2003-05-30 | |||
| JP2012211682A | 2012-11-01 |
Attorney, Agent or Firm:
WILLFORT INTERNATIONAL PATENT FIRM (JP)
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