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. 11, 2005
Filed:
Feb. 25, 2003
Richard A. Obara, Huber Heights, OH (US);
Saikrishnan S. Mattancheril, Mason, OH (US);
Kevin J. Gehret, Fort Loramie, OH (US);
Michael J. Monnin, Vandalia, OH (US);
Richard A. Obara, Huber Heights, OH (US);
Saikrishnan S. Mattancheril, Mason, OH (US);
Kevin J. Gehret, Fort Loramie, OH (US);
Michael J. Monnin, Vandalia, OH (US);
Copeland Corporation, Sidney, OH (US);
Abstract
A discharge valve retainer is manufactured from powder metal using FLC4608, FL4405, FC0205 or FC0208 material. The finisher retainer has a density of approximately 6.8 to 7.6 gm/cc. The retainer is carbonitrided, quenched and tempered to achieve a surface hardness of Rockwell 15N 89-93. The exterior of the retainer is contoured to provide for the non-turbulent flow of pressurized gas around the discharge valve.