JPS57177477A - Gas flow control valve - Google Patents
Gas flow control valveInfo
- Publication number
- JPS57177477A JPS57177477A JP6219081A JP6219081A JPS57177477A JP S57177477 A JPS57177477 A JP S57177477A JP 6219081 A JP6219081 A JP 6219081A JP 6219081 A JP6219081 A JP 6219081A JP S57177477 A JPS57177477 A JP S57177477A
- Authority
- JP
- Japan
- Prior art keywords
- spring
- low flow
- coils
- iron core
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
- F16K31/0679—Electromagnet aspects, e.g. electric supply therefor with more than one energising coil
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
PURPOSE:To easily change a low flow characteristic and the maximum flow characteristic from the outside in accordance with the kinds of gases used by constituting so that a strong balancer spring pressure is not applied during an initial displacement of a movable iron core and the spring pressure is applied when the initial displacement region is exceeded. CONSTITUTION:When coils 19, 20 are not energized, a valve body 3 is pressed against a valve seat 11' by means of the spring pressure of a return spring SP1, and the spring pressure of a balancer spring SP2 is not applied to a movable iron core 4. When the coils 19, 20 are energized, the movable iron core 4 is lowered in opposition to the spring SP1, and is stopped at a position where the screw head of a low flow adjusting screw 6 gets into contact with a spring receptacle 27. When the energizing currents of the coils 19, 20 are henceforth increased and the valve body 3 gets into contact with a stopper 7, the opening of a valve hole now offers the maximum flow. The maximum descent amount of the valve body 3 can be changed by adjusting a stopper 7 to move the valve up and down, and the low flow can be adjusted by operating a low flow operation screw 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6219081A JPS57177477A (en) | 1981-04-24 | 1981-04-24 | Gas flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6219081A JPS57177477A (en) | 1981-04-24 | 1981-04-24 | Gas flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57177477A true JPS57177477A (en) | 1982-11-01 |
Family
ID=13192967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6219081A Pending JPS57177477A (en) | 1981-04-24 | 1981-04-24 | Gas flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57177477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546955A (en) * | 1982-10-14 | 1985-10-15 | Honeywell Inc. | Two-stage solenoid valve |
-
1981
- 1981-04-24 JP JP6219081A patent/JPS57177477A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546955A (en) * | 1982-10-14 | 1985-10-15 | Honeywell Inc. | Two-stage solenoid valve |
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