Alignment of the armature of the solenoid to the valve body is made through a mechanical rail system. This mechanical coupling to the armature lessens the chance of binding when the alignment of the armature, coil and stem is not perfectly concentric. The mechanical coupling can be accomplished in a variety of orientations making it easy to make the valve either normally open or normally closed.
The technology of this solenoid-powered gate valve has applications beyond SCR diesel systems. The solenoid valve can be driven by direct voltage, PWM and peak and hold electric systems. The peak and hold signal will supply high force with smaller package sizes and lower heat generation. The smaller package size can be critical in engine applications, opening up possibility for flow control where previous solutions would not fit.
The gate valve can be operated on a proportional control basis, rather than normally open or normally closed, with a PWM signal. With proportional control, the gate valve can replace diaphragm valves in most applications. The gate valve will never need a pilot valve or line for operation. This simplifies the design of valves traditionally used in water and oil pump applications. Removing pilot lines reduces complexity of valve bodies, making them less expensive to manufacture and more reliable. The elastic gate reduces friction helping to reduce the force needed to operate the valve. Using a solenoid to actuate the gate provides quicker response time in a smaller package than any motorized gate valve.
Selecting the correct elastic material for the gate valve allows it to be used in most off-highway and automotive fluid systems. With proper material selection, life expectancy of the gate valve will meet or exceed off-highway and automotive requirements in water, oil or air systems. Off-highway applications will particularly benefit from the resistance to contamination. Overall the benefits of this new technology will provide better flow control in a variety of off-highway applications.
TLX Technologies is a leader in quick response, high-force custom solenoids. Our patented features and unique expertise in solenoid design allow TLX to provide effective solutions for our customers’ difficult off-highway and automotive applications.
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