1
Joe M Baldwin, Richard A Bishop, William G Hansen, Phillip L Polley: Self configuring controller. American Standard, William J Beres, William O Driscoll, Peter D Ferguson, January 4, 1994: US05276630 (178 worldwide citation)

A method of operating a controller of an HVAC system comprising the steps of: constantly establishing the validity of each of a plurality of input devices; and reconfiguring the mode of operation of the HVAC system each time the validity of any of the plurality of input devices changes to ensure tha ...


2
Doyoung Han, William G Hansen: Control and method for tempering supply air. American Standard, Ronald M Anderson, Carl M Lewis, October 1, 1985: US04543796 (22 worldwide citation)

A microprocessor based control for tempering supply air in a multi-stage temperature conditioning system. The temperature conditioning stages are normally controlled in response to a comfort temperature sensor to maintain the zone at a setpoint. However, if a sensor in the supply airstream indicates ...


3
William G Hansen: Unitized cabinet design. American Standard, William J Beres, David L Polsley, Robert J Harter, May 31, 1988: US04747505 (18 worldwide citation)

A frameless air handling enclosure is made possible by the use of double-flanged edges on the enclosure's side and bottom panels. The edge configuration provides reinforcement and rigidity to an otherwise flexible panel and also provides a mating surface for fastening the panels together. The enclos ...


4
William G Hansen: Convertible condensate drain pan. American Standard, William J Beres, William O Driscoll, Peter D Ferguson, September 5, 2000: US06112536 (16 worldwide citation)

A condensate drain pan. The drain pan comprises a frame supporting a surface; a side outlet in the frame proximal a high point; and a bottom outlet in the surface proximal a low point. The surface is sloped so that the first side drains to the side outlet; the surface is sloped so that the second si ...


5
Thomas E Allen, William G Hansen, Edward D Hildreth Jr: Ignitor assembly for power burner furnace. American Standard, William J Beres, William O Driscoll, Peter D Ferguson, February 28, 1995: US05393224 (12 worldwide citation)

An ignitor assembly for a gas combusting power furnace especially designed for both durability and ease of replacement. The ignitor assembly includes a generally elongated ignitor element and a tubular sleeve for slideably, removably mounting the ignitor element generally perpendicular to the burner ...


6
Phillip L Polley, William G Hansen: Outdoor fan control for part load efficiency. American Standard, William J Beres, William O Driscoll, Peter D Ferguson, October 20, 1998: US05823004 (11 worldwide citation)

A method of controlling fans in a rooftop air conditioning unit. The method comprises the steps of: determining a measure of compressor operating capacity; calculating an indoor fan speed as a function of that capacity; maintaining a fixed relationship between the indoor fan speed and an outdoor fan ...


7
William G Hansen: Unitized cabinet design. American Standard, William J Beres, Robert J Harter, Carl M Lewis, October 11, 1988: US04776484 (9 worldwide citation)

A frameless air handling enclosure is made possible by the use of double-flanged edges on the enclosure's side and bottom panels. The edge configuration provides reinforcement and rigidity to an otherwise flexible panel and also provides a mating surface for fastening the panels together. The enclos ...


8
William G Hansen: Capillary tube assembly and method of manufacture. American Standard, William J Beres, David L Polsley, William O Driscoll, September 11, 1990: US04955210 (5 worldwide citation)

A capillary tube assembly having a capillary tube body for connection to a refrigeration system and a tube end cap for accepting a plurality of capillary tubes each of which is identically preformed. The capillary tube assembly is adaptable to different refrigeration systems of varying capacity by u ...


9
William G Hansen: HVAC cabinet with configurable duct connections. American Standard International, William J Beres, William O Driscoll, March 7, 2006: US07007498 (2 worldwide citation)

A cabinet for air handling equipment includes two similarly sized covers that are each nonsymmetrical about their vertical centerline. Each cover has an original supply or return air duct opening plus space for an alternate opening. The original and alternate openings are of different shapes to acco ...


10
William G Hansen, Lane A Liudahl: System for measuring fluid flow in a fluid passage of an HVAC system. TRANE INTERNATIONAL, Hamre Schumann Mueller & Larson P C, October 10, 2017: US09784602

Methods and systems to measure a volumetric fluid flow rate through a fluid flow passage, such as an air handler of a HVAC system, are described. The method may include obtaining a flow rate measurement in a measuring section, and calculating a total flow rate based on a correlation between the obta ...