Title:
INDICATOR ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2019/206257
Kind Code:
A1
Abstract:
A regulator includes a valve body and a control element movable between a closed position, in which the control element engages a valve seat, and an open position, in which the control element is spaced away from the valve seat. A stem is operatively coupled to the control element and is axially aligned with a longitudinal axis of the valve body. An indicator assembly is at least partially disposed in the valve body and is operatively coupled to the stem. The indicator assembly includes a rod operatively coupled to the stem and an indicator operatively coupled to the rod. The indicator is arranged to display a position of the control element. The rod of the indicator assembly is movable by the stem between a first position when the control element is in the closed position, and a second position when the control element is in the open position.
Inventors:
ZHOU BIAO (CN)
LEI YANWEI (CN)
LIU DAN (CN)
XIAO CHONGYANG (CN)
FAN GUOLEI (CN)
QIN XIAOJUAN (CN)
LEI YANWEI (CN)
LIU DAN (CN)
XIAO CHONGYANG (CN)
FAN GUOLEI (CN)
QIN XIAOJUAN (CN)
Application Number:
PCT/CN2019/084464
Publication Date:
October 31, 2019
Filing Date:
April 26, 2019
Export Citation:
Assignee:
FISHER JEON GAS EQUIPMENT CHENGDU CO LTD (CN)
International Classes:
F16K37/00
Domestic Patent References:
| WO2017041140A1 | 2017-03-16 |
Foreign References:
| CN208634500U | 2019-03-22 | |||
| US2357059A | 1944-08-29 | |||
| CN206958380U | 2018-02-02 | |||
| US7159614B2 | 2007-01-09 | |||
| US6152173A | 2000-11-28 | |||
| DE2617517A1 | 1977-11-03 | |||
| CN104712799A | 2015-06-17 | |||
| CN205715871U | 2016-11-23 | |||
| CN206958380U | 2018-02-02 | |||
| US4375789A | 1983-03-08 | |||
| US4622994A | 1986-11-18 | |||
| DE102005009989B3 | 2006-06-01 | |||
| US1514975A | 1924-11-11 | |||
| CN104747787A | 2015-07-01 |
Other References:
See also references of EP 3784938A4
Attorney, Agent or Firm:
NTD PATENT AND TRADEMARK AGENCY LTD. (CN)
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