F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 19/22 (2006.01) F04B 39/00 (2006.01) F16F 15/26 (2006.01) F16F 15/28 (2006.01)
Patent
CA 2265078
A hermetic compressor assembly having a housing having disposed therein an electric motor including a stator and a rotor drivingly attached to a crankshaft having an eccentric portion, and a compression mechanism operatively coupled to the crankshaft eccentric portion. A counterweight is attached to the crankshaft and is made of progressively stamped metal stock material having selectively varying widths between first and second side edges thereof. The counterweight has one of a plurality of weights, each individual weight directly corresponding to a different stock material width. Also, a method for manufacturing compressors having installed therein counterweights of different weights and having substantially identical axial projection profiles, wherein the counterweights are made by a method which includes providing a progressive stamping die, and planar metal stock material having one of a plurality of different widths between first and second opposite side edges. The stock material is fed through the progressive stamping die in a direction substantially parallel with the first side edge. A counterweight having a weight which variably corresponds to the different stock material widths and having a free edge defined by the first stock material edge is progressively formed from the stock material, and is then separated from the stock material.
Calciolari Leonelo Antonio
Silva Jose Mario
Sim & Mcburney
Tecumseh Products Company
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