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:
Jan. 24, 2017
Filed:
Nov. 30, 2012
Danfoss Commercial Compressors, Trevoux, FR;
Jean De Bernardi, Lyons, FR;
Patrice Bonnefoi, Saint Didier au Mont d'Or, FR;
Xavier Durand, Saint Didier au Mont d'Or, FR;
Fabien Gall, Cailloux sur Fontaines, FR;
Jean-Francois Le Coat, Villefranche sur Saone, FR;
DANFOSS COMMERCIAL COMPRESSORS, Reyrieux, FR;
Abstract
A compression device includes a first compressor and a second compressor mounted in parallel, each compressor including a leakproof enclosure including a low pressure portion containing a motor and an oil sump, an oil level equalization conduit putting into communication the oil sumps of the first and second compressors, and control means adapted for controlling the starting and the stopping of the first and second compressors. The first compressor includes first detection means coupled with the control means and adapted for detecting an oil level in the oil sump of the first compressor. The control means are adapted for controlling the stopping of the second compressor when the oil level detected by the first detection means falls below a first predetermined value.