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. 17, 2006
Filed:
Dec. 02, 2002
James W. Bush, Skaneateles, NY (US);
Clark V. Cooper, Glastonbury, CT (US);
Ronald T. Drost, Colchester, CT (US);
Hong Du, Weathersfield, CT (US);
Harry E. Eaton, Woodstock, CT (US);
Hussein E. Khalifa, Manlius, NY (US);
Keshava B. Kumar, S. Windsor, CT (US);
Reng Rong Lin, Manlius, NY (US);
Philip H. Mccluskey, Dunlap, IL (US);
Paula R. Deblois, Legal Representative, Tolland, CT (US);
James W. Bush, Skaneateles, NY (US);
Clark V. Cooper, Glastonbury, CT (US);
Ronald T. Drost, Colchester, CT (US);
Hong Du, Weathersfield, CT (US);
Harry E. Eaton, Woodstock, CT (US);
Hussein E. Khalifa, Manlius, NY (US);
Keshava B. Kumar, S. Windsor, CT (US);
Reng Rong Lin, Manlius, NY (US);
Philip H. McCluskey, Dunlap, IL (US);
Paula R. DeBlois, legal representative, Tolland, CT (US);
Carrier Corporation, Farmington, CT (US);
Abstract
A screw machine () has a rotor housing () defining overlapping bores (--). Female rotor () is located in bore (-) and male rotor () is located in bore (-). A wear resistant coating is deposited on the tips (--) of the rotors. A conformable coating is deposited on the valleys (--) of the rotors. A conformable coating is depsoited on the surface of the bores coacting with the rotors.