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:
Nov. 02, 1993
Filed:
Jul. 08, 1992
James W Powell, Hartland, MI (US);
Mark G Voss, Brighton, MI (US);
John F Hurley, Easton, CT (US);
Edward O Hartel, Orange, CT (US);
Nartron Corporation, Reed City, MI (US);
Abstract
An environmental control system disclosed includes a refrigeration loop including a variable speed compressor having an inlet and an outlet, a condenser, an evaporator and variable speed evaporator fan, temperature setpoint apparatus, recirculated air temperature sensor, evaporator, air inlet temperature sensor and an evaporator fan speed control for establishing the speed of the evaporator fan as a function of the desired air temperature and the recirculated air temperature and a compressor speed control for establishing the speed of the compressor as a function of at least the evaporator air inlet temperature and speed of the evaporator fan.