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:
Mar. 17, 2015
Filed:
Sep. 20, 2011
Glenn L. Baker, Columbus, IN (US);
Gary Beshears, Greenwood, IN (US);
Timothy James William Proctor, Columbus, IN (US);
John Frederick Parker, Huddersfield, GB;
John Michael Bywater, Huddersfield, GB;
Glenn L. Baker, Columbus, IN (US);
Gary Beshears, Greenwood, IN (US);
Timothy James William Proctor, Columbus, IN (US);
John Frederick Parker, Huddersfield, GB;
John Michael Bywater, Huddersfield, GB;
Cummins Ltd., Huddersfield, GB;
Abstract
A variable geometry turbine comprising: a housing; a turbine wheel supported in the housing for rotation; an annular inlet passage defined between respective inlet surfaces defined by an annular nozzle ring and a facing annular shroud; the nozzle ring can vary the size of the inlet passage; a circumferential array of inlet vanes; the shroud covering the opening of a shroud cavity defined by the housing inlet passage and inboard of the shroud, and defining a circumferential array of slots, the slots and shroud cavity being configured to receive said vanes accommodating movement of the nozzle ring; wherein the annular shroud comprises an outer flange, the outer flange defining a circumferential groove for receiving a retaining ring for securing the shroud in the opening of the shroud cavity and defined on an inboard side by a flange wall; wherein an annular flange rim extends axially inboard from said flange wall.