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US 6,705,848 B2Granted
Powder metal scrolls
AssigneeCopeland Corporation
InventorMarc J. Scancarello
Life of this patent
Estimating the term…
Abstract
Scrolls made from one or more near-net shaped powder metal processes either wholly or fabricated together from sections. Both “conventional” press and sinter methods and metal injection molding methods will be described.
Claims35
A component of a scroll machine comprising:
- a solid metal baseplate;
- and
- an involute portion formed of sintered iron powder coupled to the solid metal baseplate.
An involute scroll form of a scroll component comprising:
- a solid baseplate;
- and
- an involute portion comprising a plurality of metallic particles bound together by a binder.
A component of a scroll machine comprising:
- a cast iron base member;
- and
- a powder metal involute scroll form coupled to said base member.
Dependencies are inferred from the claim text.