Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2005-10-11
2005-10-11
Le, Dang (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S057000, C310S216006, C310S054000
Reexamination Certificate
active
06954010
ABSTRACT:
An electric motor, transformer or inductor having a lamination cooling system including a stack of laminations, each defining a plurality of apertures at least partially coincident with apertures of adjacent laminations. The apertures define a plurality of cooling-fluid passageways through the lamination stack, and gaps between the adjacent laminations are sealed to prevent a liquid cooling fluid in the passageways from escaping between the laminations. The gaps are sealed by injecting a heat-cured sealant into the passageways, expelling excess sealant, and heat-curing the lamination stack. The apertures of each lamination can be coincident with the same-sized apertures of adjacent laminations to form straight passageways, or they can vary in size, shape and/or position to form non-axial passageways, angled passageways, bidirectional passageways, and manifold sections of passageways that connect a plurality of different passageway sections. Manifold members adjoin opposite ends of the lamination stack, and each is configured with one or more cavities to act as a manifold to adjacent passageway ends. Complex manifold arrangements can create bidirectional flow in a variety of patterns.
REFERENCES:
patent: 3835339 (1974-09-01), Laronze
patent: 4001617 (1977-01-01), Boyer
patent: 4691131 (1987-09-01), Nakano
patent: 4745314 (1988-05-01), Nakano
patent: 5173629 (1992-12-01), Peters
patent: 197 16 759 (1998-10-01), None
Kobayashi Daryl M.
Rippel Wally E.
Aerovironment Inc.
Law Office of John A. Griecci
Le Dang
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