REPRESENTATIVE FLOW SYSTEM PROJECTS
Gas flow controls.
Engineering of a system to control the flow rate and composition of
oxygen, nitrogen, and carbon dioxide gas mixture for mammalian cell culture. The
system uses a cabinet-mounted instrument with disposable components contacting
the culture and nutrients. Douglas Engineering also performed the Failure Modes and
Effects Analysis (FMEA) for the gas system and additional systems. The
photograph shows Doug Werner inspecting the prototype. This
instrument has entered commercial operation in Europe and clinical trials in the
United States. The client considers additional details to be proprietary.
Hand-held alcohol measuring device.
Analysis and recommendation of flow measuring orifice and pressure
transducer for hand held breath alcohol measuring device. Douglas recommended design
modifications including materials selection, options for minimizing potential
condensation of water vapor and alcohol vapor. This commercially available
product was featured on the front page of the May 4, 1999, Denver Post
and design recommendations to eliminate failures of fire-safety valves used on
liquid oxygen transport trailers. Doug Werner also managed the design
engineering of the trailers. These trailers are used to transport liquid
nitrogen, oxygen and argon to welding supply centers and large users of
gases. Many hospitals use
liquid oxygen transported in these trailers.
Preliminary investigation into innovative blood pumps. The client
considers additional details to be proprietary.