Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FLUID CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/023342
Kind Code:
A1
Abstract:
A fluid control device configured in such a manner that a valve element is not strongly pressed against the valve seat, etc. and that an excessive load is not applied to a motor. A flow rate adjustment device is provided with: a first engagement section (90) provided to the drive shaft (111) of a motor; and a second engagement section (80) movable in the axial direction relative to the first engagement section (90) and transmitting and receiving a rotational force to and from the first engagement section (90). The flow rate adjustment device is provided with: a valve element (41) for adjusting the extent of opening of a flow path (21); and a rod (60) which is connected to the valve element (41), is movable in the axial direction, and is prevented from rotating about the axis. The flow rate adjustment device is provided with: a male thread section (82) and a female thread section (64) which mesh with each other and which are fed relative to each other by the threads in the axial direction when rotated relative to each other: a protrusion section (51) for preventing the second engagement section (80) from moving further toward the valve seat (24) side than a first restriction position; and a first cylinder (30) for preventing the rod (60) from moving further toward the valve seat (24) side than a second restriction position.

Inventors:
NABEI, Tatsushi (250 Ouji 2-chome,Komaki-sh, Aichi 51, 〒4858551, JP)
鍋井 立視 (〒51 愛知県小牧市応時二丁目250番地 シーケーディ株式会社内 Aichi, 〒4858551, JP)
Application Number:
JP2011/064309
Publication Date:
February 23, 2012
Filing Date:
June 22, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CKD CORPORATION (250Ouji 2-chome, Komaki-shi Aichi, 51, 〒4858551, JP)
シーケーディ株式会社 (〒51 愛知県小牧市応時二丁目250番地 Aichi, 〒4858551, JP)
NABEI, Tatsushi (250 Ouji 2-chome,Komaki-sh, Aichi 51, 〒4858551, JP)
International Classes:
F16K31/04; F16K7/16; F16K31/44; F16K31/50
Attorney, Agent or Firm:
YAMADA, Tsuyoshi (Daiichi Hasegawa Bldg.6F, 13-24Meieki 3-chome,Nakamura-ku,Nagoya-sh, Aichi 02, 〒4500002, JP)
Download PDF:
Claims: