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. 31, 1995
Filed:
Jan. 07, 1993
Raymond D Heilman, St. Louis, MO (US);
Emerson Electric Co., St. Louis, MO (US);
Abstract
A counterweighted rotor for use in a compressor assembly, the counterweighted rotor including a core assembly, an end ring defining a first end of the rotor, an end ring defining a second end of the rotor, each end ring having a plurality of coining lugs integrally cast thereto, the coining lugs sized for securing weights to the rotor, a plurality of counterweights for balancing the rotor, each of the counterweights including a body formed from powdered metal, the body having an aperture on its radial edge for engaging a coining lug, and a lip integrally formed on the counterweight porprotioned for contour fitting with the inside diameter of the rotor end ring. A method of forming counterbalanced rotor employs forming weights from powdered metal, the counterweights attaching to the rotor by coining over a coining lug of the rotor end ring through an aperature in the counterweight body.