David Aaron Sisneros
Electrician at Southlawn Cir, Denver, CO
License number
Colorado 9942597
Issued Date
Sep 21, 2016
Renew Date
Sep 21, 2016
Type
Electrical Apprentice
Address
Address
10072 Southlawn Cir, Denver, CO 80022
Personal information
See more information about David Aaron Sisneros at radaris.comName
Address
Phone
8893 W La Salle Ave, Denver, CO 80227
4130 Fillmore St, Denver, CO 80216
257 Franklin St, Monte Vista, CO 81144
1304 Bell Ave, Alamosa, CO 81101
1726 8Th St, Greeley, CO 80631
Professional information
Automated Chemical Metering System And Method
US Patent:
5902749, May 11, 1999
Filed:
Sep 18, 1997
Appl. No.:
8/933175
Inventors:
Mark Allen Lichtwardt - Lakewood CO
David Sisneros - Lakewood CO
David Sisneros - Lakewood CO
Assignee:
The United States of America as represented by the Secretary of the
Interior - Washington DC
Interior - Washington DC
International Classification:
G01N35/08
US Classification:
436 50
Abstract:
A chemical metering and control system is provided which maintains a desired level of a pesticide (or other chemical) in any open or closed channel flow stream with fluctuating flow rates. The system dispenses an amount of the pesticide at an injection point of the flow stream along with a fluorescent indicating dye, and then takes a sample downstream from the injection point to determine how much of the indicating dye is present in the flow stream, and therefore how much pesticide is present. At the sampling point a pump extracts a flow stream sample and passes the sample to a fluorometer which measures the amount of fluorescent indicating dye injected upstream. A proportional integral derivative (PID) controller then adjusts the level of the pesticide/dye mixture in order to achieve the appropriate concentration of pesticide in the flow stream.