Automatic temperature and humidity regulation – Thermostatic – With indicator or alarm
Patent
1991-03-07
1993-05-11
Sollecito, John
Automatic temperature and humidity regulation
Thermostatic
With indicator or alarm
62127, 431 13, 431 18, 73112, 165 111, G05D 2300
Patent
active
052094006
ABSTRACT:
A calculator apparatus 10 includes the standard calculator mode and several other modes functions namely; a pressure-temperature conversion, a temperature-to-pressure conversion based on refrigerant, a relative humidity reading based on input of the dry bulb and wet bulb temperature; and a flow-energy rate conversion mode based upon a selected fuel meter dial and Metric or English units. In addition, a Fahrenheit-to-centigrade conversion and a centigrade-to-Fahrenheit conversion functions are incorporated. The calculator includes a keyboard 18, a microprocessor 16, a timer 26, a power source 12, a switch 14 and a display screen 22.
REFERENCES:
patent: 2593659 (1952-04-01), Dickey
patent: 3328767 (1967-06-01), Ottaway
patent: 4114448 (1978-09-01), Merritt
patent: 4213089 (1980-07-01), Liebermann
patent: 4296727 (1981-10-01), Bryan
patent: 4653288 (1987-03-01), Sayo et al.
patent: 4660386 (1987-04-01), Hansen et al.
patent: 4661459 (1987-04-01), Hirtz
patent: 4745767 (1988-05-01), Ohya et al.
patent: 4787213 (1988-11-01), Gras et al.
patent: 4829777 (1989-05-01), Matsuoka et al.
Ashrae Handbook, Chapter 6 Psychrometrics 1985, pp. 6.1, 6.2 and 6.6-6.20.
Rubinstein Walter
Winslow Henry D.
Winslow John M.
Sollecito John
Winslow Henry D.
Winslow John M.
LandOfFree
Portable calculator for refrigeration heating and air conditioni does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Portable calculator for refrigeration heating and air conditioni, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Portable calculator for refrigeration heating and air conditioni will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1344999