JPS5520934A - Four-way electromagnetic valve for use in energy-saving type air circuit capable of interrupting supply of air at intermediate position of stroke while keeping continuous exhausting of air - Google Patents
Four-way electromagnetic valve for use in energy-saving type air circuit capable of interrupting supply of air at intermediate position of stroke while keeping continuous exhausting of airInfo
- Publication number
- JPS5520934A JPS5520934A JP9318278A JP9318278A JPS5520934A JP S5520934 A JPS5520934 A JP S5520934A JP 9318278 A JP9318278 A JP 9318278A JP 9318278 A JP9318278 A JP 9318278A JP S5520934 A JPS5520934 A JP S5520934A
- Authority
- JP
- Japan
- Prior art keywords
- air
- spool
- stroke
- electromagnetic valve
- intermediate position
- 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
Landscapes
- Multiple-Way Valves (AREA)
Abstract
PURPOSE: To provide a four-way electromagnetic valve, in which three spools are used in a set for enabling to stop supply of air at an intermediate position of the stroke, whereby it is enabled to lower consumption of air and to save energy for operating the system.
CONSTITUTION: The electromagnetic valve of this invention comprises a set of three spools, i,e., a right outer spool 2, left outer spool 2' and middle spool 3. Here, if right-side solenoid is energized, right outer spool 2 is pushed and shifted to the left by the solenoid. Resultantly, middle spool 3 is pushed and shifted also to the left by the spool 2, and it is self-maintained at the position by left-side permanent magnet 4'. Therefore, air is supplied through the passage from IN to OUT1 shown in the drawing, whereas it is exhausted from OUT2 to EXH. If the right-side solenoid is de- energized at an intermediate position of the stroke, spool 2 is shifted to the right by the force of right-side spring 5 and interrupt communication between IN and OUT1. Thus, supply of air is interrupted while keeping continuous exhausting of air. Therefore, it is enabled to reduce consumption of air and to save energy for operating the system.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9318278A JPS5520934A (en) | 1978-08-01 | 1978-08-01 | Four-way electromagnetic valve for use in energy-saving type air circuit capable of interrupting supply of air at intermediate position of stroke while keeping continuous exhausting of air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9318278A JPS5520934A (en) | 1978-08-01 | 1978-08-01 | Four-way electromagnetic valve for use in energy-saving type air circuit capable of interrupting supply of air at intermediate position of stroke while keeping continuous exhausting of air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5520934A true JPS5520934A (en) | 1980-02-14 |
Family
ID=14075425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9318278A Pending JPS5520934A (en) | 1978-08-01 | 1978-08-01 | Four-way electromagnetic valve for use in energy-saving type air circuit capable of interrupting supply of air at intermediate position of stroke while keeping continuous exhausting of air |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5520934A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04327116A (en) * | 1991-04-18 | 1992-11-16 | Tokyo Shokai:Kk | Medicine subdivision packing machine |
| JPH04327115A (en) * | 1991-04-18 | 1992-11-16 | Tokyo Shokai:Kk | Medicine subdivision packing machine |
-
1978
- 1978-08-01 JP JP9318278A patent/JPS5520934A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04327116A (en) * | 1991-04-18 | 1992-11-16 | Tokyo Shokai:Kk | Medicine subdivision packing machine |
| JPH04327115A (en) * | 1991-04-18 | 1992-11-16 | Tokyo Shokai:Kk | Medicine subdivision packing machine |
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