Patent
Automatic program ventilation control system
Jason Wolfson,Paul H. Raymer +1 more
- 17 Aug 1995
29
TL;DR: An automatic programmed ventilation control system for operating a fan includes a fan drive circuit; a duty, cycle control circuit including means for selecting a duty cycle and means for setting the selected duty cycle as mentioned in this paper.
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Abstract: An automatic programmed ventilation control system for operating a fan includes a fan drive circuit; a duty, cycle control circuit including means for selecting a duty cycle and means for setting the selected duty cycle; a timing circuit including means for selecting the time of day and means for setting the selected time of day; a fan speed control circuit including means for selecting a fan speed and means for setting the selected fan speed; and a manual override switch circuit for overriding the set duty cycle and fan speed for operating the fan at a predetermined speed for a preselected period of time.
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Citations
Patent
Passive ventilation control system
II William B. Daniels,Carolina O'Hagin +1 more
- 21 Sep 2006
TL;DR: In this article, a passive ventilation control system and method is described, where the sensors send signals to a controller, which automatically adjusts airflow through the vents in response to the signals from the sensors.
72
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James L. Aycock
- 07 Oct 2011
TL;DR: In this paper, a control system for a house HVAC system including a thermostat, supply and return air plenums and an HVC fan is disclosed for the house.
45
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Gregory S. Daniels
- 22 Apr 2009
TL;DR: In this paper, a roof ventilation system based on environmental parameters is described, where a vent, a fan, a solar panel, a battery and a controller are used to generate an air flow through the vent.
43
Patent
Power supply apparatus for welder
Takeshi Morimoto,Kenzo Danjo,Yuji Ikejiri,Tetsuro Ikeda,Hideo Ishii +4 more
- 16 Sep 2005
TL;DR: Welding conditions are set for a power supply apparatus for use with a welding machine, using a control panel unit ( 96 ) and a memory ( 105 ) stored therein welding conditions as set through the control unit, and holds the set welding conditions after turning off of a main power supply switch ( 1 ) of the Power Supply apparatus as mentioned in this paper.
37
Patent
Fan speed change control
Moshe Alon,Nir Tasher,Lior Albaz +2 more
- 27 Jun 2006
TL;DR: In this article, the authors present a system for controlling the speed of a fan for an electronic system, where temperatures are associated with changes in the value of a variable relating to fan speed.
30
References
Patent
Remote control for a ceiling fan
Vinay Mehta,P. C. Leung +1 more
- 11 Sep 1990
TL;DR: In this paper, a remote control for operating a combination ceiling fan and light fixture with a dual microprocessor control is presented, where the two microprocessors communicate over the 60 Hz power line between the remote control and the ceiling fan.
146
Patent
Wall switch opening mounted power circuit timer-controller
Richard Goldstein
- 06 Apr 1981
TL;DR: In this article, a rear sub-assembly is mounted in a conventional toggle wall switch opening, a conventional cover plate with a vertical toggle switch operating arm-receiving slot, and a rotatable and depressible shaft extends from the rear-sub-assembly and passes through the cover plate slot.
27
Patent
Power circuit control programmable timer
Richard Goldstein,Louis W. Schornack +1 more
- 16 Mar 1981
TL;DR: In this paper, a two-position timer condition-setting arm, a rotatable and depressible time setting dial knob, and an indicator on the front of the cover plate are mounted behind a wall switch cover plate.
23
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