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:
Oct. 04, 2011
Filed:
Mar. 11, 2005
Applicants:
Alain Lombard, Uxgeney, FR;
Jean Luc Perrin, Grimont, FR;
Inventors:
Alain Lombard, Uxgeney, FR;
Jean Luc Perrin, Grimont, FR;
Assignee:
Honeywell International Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A piston () to be mounted inside a cylindrical bore () has a cylindrical surface () provided with at least one axially extending deepening () for accommodating a thermal distortion of the cylindrical bore (). Preferably, the piston is used in a piston valve as a valve control member or turbine as a variable nozzle control member.