Counterweighted rotor

Details Counterweighted rotor Counterweighted rotor

1993-01-07

1995-01-31

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310261, 73468, 74573R, H02K 122

Patent

active

053861639

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.

REFERENCES:
patent: 295215 (1884-03-01), Whitney
patent: 2089626 (1937-08-01), Smith
patent: 2558737 (1951-07-01), Darnell
patent: 3154705 (1964-10-01), Essenburg
patent: 3157805 (1964-11-01), Hoffmeyer et al.
patent: 3262000 (1966-07-01), Rediger et al.
patent: 3965382 (1976-06-01), McCrosky et al.
patent: 4388756 (1983-06-01), Burns
patent: 4625609 (1986-12-01), Ashworth
patent: 4642886 (1987-02-01), Muck et al.
patent: 4893044 (1990-01-01), Bosh et al.
patent: 5128576 (1992-07-01), Obradovic

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