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Title:
VARIABLE-VOLUME EXHAUST SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/173844
Kind Code:
A8
Abstract:
An exhaust system for exhausting air from a space includes a variable- volume exhaust air moving system having at least one fan having an inlet and an outlet. A duct is connected to the inlet and an outlet nozzle defining a variable cross-sectional outlet area is fluidly connected to the outlet. A selectively operable bypass damper is fluidly connected to the inlet. A sensor is located in the exhaust system for detecting at least one of a pressure condition and a flow condition therein. A control system controls the at least one fan, the outlet nozzle, and the bypass damper, based on a signal sent from the sensor.

Inventors:
WENDORSKI RONALD L (US)
ENZENROTH JOHN (US)
PODJASKI TONY (US)
ROTHMEYER KYLE (US)
KNIERIEM BRUCE (US)
ROSSI ANTHONY (US)
Application Number:
PCT/US2012/041138
Publication Date:
February 28, 2013
Filing Date:
June 06, 2012
Export Citation:
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Assignee:
GREENHECK FAN CORP (US)
WENDORSKI RONALD L (US)
ENZENROTH JOHN (US)
PODJASKI TONY (US)
ROTHMEYER KYLE (US)
KNIERIEM BRUCE (US)
ROSSI ANTHONY (US)
International Classes:
A24F7/02; B08B15/00; F04D29/44; F23L17/00
Attorney, Agent or Firm:
BRUESS, Steven, C. (P.O. Box 2903Minneapolis, MN, US)
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