MizAir is an energy savings device designed for use on air
operated double diaphragm (AODD) pumps.
It can save as much as 50 percent of the air consumed by AODD pumps
therefore using less energy. It operates
as a "normally open" two-way valve with a microcontroller that uses "fuzzy
logic" to read where the pump is in its stroke and, using this information,
determines when to close the valve and stop the air flow. It does this with little to no affect on pump
output, fluid flow or flow rate. It requires no pump modification to install,
just add 24V dc. MizAir provides design engineers with significantly greater
flexibility and efficiency when designing a system using AODD pumps. AODD pumps
require a tremendous amount of air to operate.
MizAir not only can save a company money in energy useage, they may also
be able to reduce the load on their air compressor system, reduce the number or
capacity of the compressors required or increase output by running more pumps
with the same compressor capacity. MizAir allows the design engineer to
consider using AODD pumps where they would normally have been excluded for
their inefficiency. MizAir is an intelligent device that uses an internal
pressure sensor to monitor the air being supplied to the pump. The characteristics of this signal allow
MizAir's microcontroller to determine when the pump reaches end of stroke. This information is used to time the pulses
of air entering the pump, determining when to close the valve and when to
reopen on every stroke of the pump resulting in an air consumption savings of
up to 50 percent.
An in-depth survey of 700 current and future users of 3D printing holds few surprises, but results emphasize some major trends already in progress. Two standouts are the big growth in end-use parts and metal additive manufacturing (AM) most respondents expect.
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