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Dennis E Copen Deceased4475 Coronado Ridge Ln, Tucson, AZ 85739

Known as:
Dennis Earl Copen
Related to:
Freda Lee Copen

Dennis Copen Phones & Addresses

4475 Coronado Ridge Ln, Tucson, AZ 85739    520-8250871   

4445 Coronado Ridge Ln, Tucson, AZ 85739   

8036 14Th St, Phoenix, AZ 85020    602-9435532   

4625 Butler Dr, Glendale, AZ 85302    623-8473949   

Lakeside, AZ   

4475 E Coronado Ridge Ln, Tucson, AZ 85739    520-3603410   

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d***[email protected]
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Publications & IP owners

Us Patents

Automotive Exhaust System Incorporating Venturi To Reduce Back Pressure

US Patent:
4313523, Feb 2, 1982
Filed:
Jun 23, 1980
Appl. No.:
6/162125
Inventors:
Dennis E. Copen - Phoenix AZ
International Classification:
F01N 114
US Classification:
181263
Abstract:
A method and apparatus are provided for reducing back pressure within an exhaust system for an internal combustion engine by creating a venturi within the exhaust system and forcing air through the venturi to create suction for drawing exhaust gases away from the exhaust system. The exhaust system of a conventional automobile is modified by coupling one end of an air directing pipe to the tailpipe of the automobile near the outlet of the tailpipe and at an acute angle thereto for creating a venturi. Air is forced into the opposite end of the air directing pipe by an air scoop or a fan, and the forced air is directed through the outlet of the tailpipe for providing suction which draws exhaust gases out of the tailpipe.

Possible Relatives

Debra R Copen  Darrell R Copen  Donald R Copen  Frank H Copen  Gary D Copen  Heather R Copen  Janet E Copen  Dennis M Johnson  Dennis H Johnston  Dennis L Standridge 

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