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.

Date of Patent:
Oct. 19, 1993

Filed:

Jul. 08, 1992
Applicant:
Inventors:

James W Powell, Hartland, MI (US);

Mark G Voss, Brighton, MI (US);

John F Hurley, Easton, CT (US);

Edward O Hartel, Orange, CT (US);

Assignee:

Nartron Corporation, Reed City, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62181 ; 62184 ; 62186 ; 62209 ; 622284 ;
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 for moving air across the evaporator, a compressor speed control, a superheat monitor for monitoring the condition at the inlet of the compressor and a primary superheat control responsive to the superheat monitor for establishing the speed of the evaporator fan to maintain a predetermined superheat condition.


Find Patent Forward Citations

Loading…