The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 1981
Filed:
Oct. 25, 1977
James R Tepe, Montgomery, OH (US);
Robert P Sandor, Fairfield, OH (US);
Bernard W Wesselman, Independence, KY (US);
David R Woeste, Williamsburg, OH (US);
Energetics Systems Corp., Cincinnati, OH (US);
Abstract
A control system for space heating and cooling units which includes modulated damper means for controlling entry of outside air. Temperature sensitive resistances sense the outside air temperature, the temperature in the space, and the temperature of return air. When cooling is required, the damper can be opened. When the return air temperature is greater than the outside air temperature, the outside air damper is modulated in opening direction when the space temperature rises above a minimum comfortable space air temperature so that the outside air is used for cooling. When the space temperature falls to a temperature below the minimum comfortable space air temperature, the outside air damper can be fully closed. When the space air temperature rises above the minimum comfortable space air temperature, the outside air damper can be opened a selected amount and then, as the space temperature rises further, the outside air damper can modulate open if the outside air temperature is below the return air temperature.