Side Solenoid
Solenoid Valve for reduced energy consumption
A control valve system including a housing having an inlet, a first output, and a second output. The control valve system further includes a slidable valve positionable in a first position, where fluid communication is established between the inlet and the first output; a second position, where fluid communication is established between the inlet and the second output; and a third position, where fluid communication is prevented between the inlet and the first or second output.
A solenoid valve assembly is coupled in fluid communication with the inlet and is positionable in an actuated position, where fluid communication is established with the inlet to move the valve from the first position to the second position, and a deactuated position. A feedback passage extends between the first output and the valve so as to position the valve in the third position in response to fluid pressure within the first output.
Claims
What is claimed is:
1. A control valve system comprising:
A housing having an inlet, a first output, and a second output;
A valve positionable in at least a first position where fluid communication is established between said inlet and said first output, a second position where fluid communication is established between said inlet and said second output, and a third position where fluid communication is generally prevented between said inlet and said first output or said second output, said valve being biased into said first position;
A solenoid valve assembly coupled in fluid communication with said inlet, said solenoid valve assembly being positionable in an actuated position where fluid communication is established with said inlet to move said valve from said first position to said second position and a deactuated position; and a feedback passage extending between said first output and said valve so as to position said valve in said third position in response to fluid pressure within said first output, wherein said feedback passage extends from said first output, through said solenoid valve assembly, and into said valve only when said solenoid valve assembly is in said deactuated position.
2. The control valve system according to claim 1 wherein said solenoid valve assembly is biased into said deactuated position.
3. The control valve system according to claim 1 wherein said feedback passage is disposed within said housing.
4. The control valve system according to claim 1 wherein said feedback passage is disposed outside of said housing.
5. A control valve system comprising:
A housing having an inlet, a first output, a second output, and a valve chamber;
A spool slidably disposed in said valve chamber, said spool being positionable in a first position where fluid communication is established between said inlet and said first output, a second position where fluid communication is established between said inlet and said second output, and a third position where fluid communication is generally prevented between said inlet and said first output or said second output, said spool being biased into said first position;
A first solenoid valve assembly coupled in fluid communication with said inlet, said first solenoid valve assembly being positionable in an actuated position where fluid communication is established between said inlet to said spool to move said spool from said first position to said second position and a deactuated position;
A first shuttle valve disposed in fluid communication with said first output and said second output, said first shuttle valve being positionable in at least a first position where fluid communication is established between said first output and a first shuttle valve outlet and a second position where fluid communication is established between said second output and said first shuttle valve outlet;
And a second shuttle valve disposed in fluid communication with said first shuttle valve outlet, said first solenoid valve assembly, and said valve chamber, said second shuttle valve being positionable in at least a first position where fluid communication is established between said first shuttle valve outlet and said valve chamber and a second position where fluid communication is established between said first solenoid valve assembly and said valve chamber,
Whereby said first shuttle valve and said second shuttle valve cooperate to selectively provide fluid pressure against said spool to position said spool into said third position.
6. The control valve system according to claim 5, further comprising: a second solenoid valve assembly coupled in fluid communication with said second output, said second solenoid valve assembly being positionable in an actuated position where fluid communication is established between said second output and a vent and a deactuated position preventing fluid communication between said second output and said vent.
7. The control valve system according to claim 6, further comprising: a restrictor disposed between said second output and said second solenoid valve assembly.
8. A control valve system comprising:
A housing having an inlet, a first output, a second output, and a valve chamber;
A spool slidably disposed in said valve chamber, said spooi being positionable in a first position where fluid communication is established between said inlet and said first output, a second position where fluid communication is established between said inlet and said second output, and a third position where fluid communication is generally prevented between said inlet and said first output or said second output;
A solenoid valve assembly coupled in fluid communication with said inlet, said solenoid valve assembly being positionable in an actuated position where fluid communication is established between said inlet and said spool to move said spool from said first position to said second position and a deactuated position; and
A feedback passage extending between said first output and said valve chamber so as to position said spool in said third position in response to fluid pressure within said first output, wherein said feedback passage extends from said first output, through said solenoid valve assembly, and into said valve chamber only when said solenoid valve assembly is in said deactuated position.
9. The control solenoid valve system according to claim 8 wherein said solenoid valve assembly is biased into said deactuated position.
10. The control solenoid valve system according to claim 8 wherein said feedback passage is disposed within said housing.
11. The control solenoid valve system according to claim 8 wherein said feedback passage is disposed outside of said housing.
About the Author
Ningbo Lida Pneumatic Complete Sets Co.,Ltd. specializing pneumatic components,solenoid valve,air cylinder & pneumatic fittings that these are inexpensive.It has with more than 15years.
04 Microbar - Boiler Assembly and Solenoid Valves
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