Chau Vo

Chau Thien Vo is an inventor and industrial designer, and is the VP of engineering and product marketing for PAT Technology Systems. Chau brings 20 years of extensive experience in designing air purification and fume extraction systems, having worked in both North America and Europe. He blends design, engineering, product marketing, and creative thinking strategies in leading PAT's technical team to consistently output innovations that clean air.

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Chau VoFebruary 23, 2022

Risks of Improper Air Filtration When Laser Engraving

Professional filtering fume extractors are often bundled with laser engravers as “ready-to-run” packages or recommended as key accessories. It may…
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Chau VoMarch 10, 2020

How can a laser user ensure they are following the laws of fume extraction?

When using a vent-to-outdoor system, the Environmental Protection Agency (EPA) must be satisfied that the contaminated air being emitted to…
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Chau VoFebruary 27, 2020

What’s the difference between an extraction unit for a laser and one for a printer?

Laser fumes consist of ultrafine particles and VOCs that generate when the material is burned by the laser. In contrast,…
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Chau VoFebruary 5, 2020

How can a shop determine which type of fume extractor to purchase?

If air pollution is an important issue for you and your employees, then choosing a ventless filtered fume extractor is…
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Chau VoOctober 8, 2019

What type of fume extractor is best for cutting wood?

If you are cutting a lot of wood, favor a machine that has large prefilters in terms of surface area.…
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Chau VoSeptember 13, 2019

What sort of fume extractor is optimal for cutting acrylic?

If you are exclusively cutting acrylic every day, choosing a fume extractor with at least 80 lbs. of gas absorption…
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Chau VoAugust 2, 2019

In what sort of environment will my fume extractor work best?

Fume extractors work well in most office and production environments that would be considered comfortable for people. Hot, high humidity,…
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Chau VoJuly 18, 2019

What are the stages of filtration for laser applications?

Filters remove the contaminants from the airstream so that clean exhaust air can be recirculated back into the workplace without…
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Chau VoJune 25, 2019

What are the differences between brushless and brushed blowers for fume extraction?

Brushless blowers are designed to last longer and do not require maintenance because they use a non-contact digital technology to…
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Chau VoJune 12, 2019

Why does fume extraction matter?

Fumes generated from lasers contain Volatile Organic Compounds (VOCs) and respirable dust. At high concentrations, these can become a health…
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Chau VoJune 5, 2019

How can I tell if something is wrong with my fume extractor?

It’s a fume extractor -it is supposed to filter the air from the laser engraver and return clean air to the room.…
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Chau VoJanuary 29, 2019

How often should you perform a check on your fume extraction unit?

Every time you use the extractor, be sure to look at the user display (all professional fume extractors have one).…
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Chau VoJanuary 15, 2019

Why is it important to have a proper fume extractor for your laser engraver?

The fumes generated by the laser process consist of respirable submicronic dust and Volatile Organic Compound (VOC) gases. The fumes…
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Chau VoJanuary 7, 2019

What are the basic fume extractor maintenance tasks?

Buy a fume extractor from a reputable manufacturer who specializes in low maintenance laser fume extractors. They are designed in…
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Chau VoDecember 26, 2018

How do I know what kind of laser fume extraction unit I need?

Make sure you consult your laser dealer or a specialized fume extractor manufacturer. Let them know which laser you have,…
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Chau VoCharlie FoxNovember 8, 2018

What options are available for fume extraction systems?

There are two basic options: Vent-to-outdoors Recirculating fume extractor Vent-to-outdoors is a blower and a sealed duct system that removes…
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