Rotor of an electrical machine and motor with such a rotor

Details Rotor of an electrical machine and motor with such a rotor Rotor of an electrical machine and motor with such a rotor

2009-03-11

2010-12-14

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S069000, C310S162000, C310S211000

Reexamination Certificate

active

07851963

ABSTRACT:
The invention concerns a rotor of an electrical machine, particularly a driving motor for a hermetically enclosed refrigerant compressor with a body (4) comprising a magnetically conductive material, the rotor having a plurality of axially extending slots (5, 6), which are filled with an electrically conductive material. It is endeavored to achieve a good performance. For this purpose, it is ensured that an extension section (7) of a first group of slots (5) extends further radially inwards than a second group of slots (6), and that between two slots (5) of the first group at least one slot (6) of the second group must be arranged, a first flow cross-section being formed between neighboring extension sections (7) at the circumferentially shortest distance (a) between the two extension sections (7), a second flow cross-section being formed between neighboring slots (5, 6) at the circumferentially shortest distance (b) between the slots (5, 6), the first flow cross-section corresponding to the sum of the second flow cross-sections between the two slots (5) of the first group.

REFERENCES:
patent: 1554702 (1925-09-01), Bergman
patent: 2292168 (1942-08-01), Smith
patent: 4139790 (1979-02-01), Steen
patent: 4801832 (1989-01-01), Neumann
patent: 4845837 (1989-07-01), Lloyd
patent: 7425786 (2008-09-01), Hino et al.
patent: 692 06 626 (1996-04-01), None
patent: 880216 (1998-11-01), None
patent: 55127863 (1980-10-01), None
Machine Translation EP880216 A1 (1998).
Derwent Translation (Abstract and Constitution) JP55127863 (1980).

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