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:
Feb. 16, 2010
Filed:
May. 09, 2006
Pierre Ginies, Sathonay Village, FR;
Dominique Gross, Jassans Riottier, FR;
Pierre Ginies, Sathonay Village, FR;
Dominique Gross, Jassans Riottier, FR;
Danfoss Commercial Compressors, Trevoux, FR;
Abstract
The invention concerns an element comprising an annular body () provided with two series of pins () projecting from at least one side of the body (), the pins () of a first series being engaged in grooves () of the fixed volute () and the pins () of a second series being engaged in grooves () of the mobile volute (), to provide an orbital movement of the mobile volute () relative to the fixed volute (), the contact surfaces of the pins () of a common series with the walls of the grooves of the corresponding volute being parallel and the contact surfaces of the pins () belonging to two series of pins being perpendicular. The annular body () is made of a first metal with a specific density and the pins are made of a second metal having a lower density than that of the first metal.