1
Robert K Hollenbeck: Draft inducer air flow control. General Electric Company, Ralph E Krisher Jr, May 23, 1995: US05418438 (27 worldwide citation)

A control circuit for a motor driving a fan for inducing a draft in the exhaust of a heating, ventilating and air conditioning (HVAC) system. The control circuit may be used in conjunction with either a variable pressure sensor or one or two discrete pressure sensors. A controller receives informati ...


2
Hollenbeck Robert Keith: Draft inducer air flow control.. Gen Electric, August 31, 1994: EP0612960-A1 (4 worldwide citation)

A control circuit for a motor driving a fan for inducing a draft in the exhaust of a heating, ventilating and air conditioning (HVAC) system. The control circuit may be used in conjunction with either a variable pressure sensor or one or two discrete pressure sensors. A controller receives informati ...



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