Title:
SEAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/066345
Kind Code:
A1
Abstract:
This valve device is provided with a control device for controlling a valve without electricity supplied thereto. The control device is provided with: at least one rotatable control cam having unevenness on the outer periphery thereof; and a drive device for rotating the control cam only in a first rotational direction among the first rotational direction and a second rotational direction opposite the first rotational direction by a supplied pressure medium. The valve is configured such that a switch section is disposed in contact with the outer peripheral section of the control cam so that the valve will be opened and closed by the rotation of the control cam.
Inventors:
TARUMOTO KAZUYOSHI (JP)
KATAOKA YUICHIRO (JP)
KATAOKA YUICHIRO (JP)
Application Number:
PCT/JP2017/033492
Publication Date:
April 12, 2018
Filing Date:
September 15, 2017
Export Citation:
Assignee:
FUJI IMPULSE CO LTD (JP)
International Classes:
F16K31/16; B65B51/10; F16K31/524; F16H19/04; F16H25/00
Domestic Patent References:
| WO1994021951A1 | 1994-09-29 |
Foreign References:
| US4700735A | 1987-10-20 |
Other References:
See also references of EP 3524864A4
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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