Air-cooled coil unit of a linear motor

Details Air-cooled coil unit of a linear motor Air-cooled coil unit of a linear motor

2005-07-26

2005-07-26

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C310S013000, C310S015000, C310S058000, C310S063000, C318S135000

Reexamination Certificate

active

06921991

ABSTRACT:
The present invention is directed to a coil unit of a single-acting linear engine. The coil unit includes an iron core with coils that are linked with the iron core by way of a cast compound thereby forming a molded part. The molded part is enclosed by a housing having a narrow circumferential gap formed between the housing and the molded part. Through the gap, cooling air may flow or be blasted. The air extensively cools the iron core with the coils and thermally insulates the housing from the iron core and the coils.

REFERENCES:
patent: 4172229 (1979-10-01), Guimbal
patent: 4749921 (1988-06-01), Chitayat
patent: 5642013 (1997-06-01), Wavre
patent: 5834862 (1998-11-01), Hartzell
patent: 19604642 (1997-08-01), None
patent: 196 04 642 (1997-08-01), None
patent: 19842384 (2000-03-01), None
patent: 01034105 (1989-02-01), None
patent: 04183258 (1992-06-01), None
patent: 04340360 (1992-11-01), None
patent: 2001103726 (2001-04-01), None
patent: 2001224159 (2001-08-01), None
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Derwent-Abstract—DE 19604642A1; Aug. 14, 1997; Krauss-Maffei, D-80997 München.
English-Abstract—JP 2001224159A; Aug. 17, 2001; Yaskawa Electric Corporation, Japan- “Linear Slider”.
English-Abstract—JP 04340360; Nov. 26, 1992; Fuji Electric Co. Ltd., Japan-“Cooler of linear motor for automatic conveyer”.
English-Abstract—JP 2001103726; Apr. 13, 2001; Toyoda Mach Works Ltd, Japan-“Cooling device of electromagnetic coil in linear motor”.
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English-Abstract—JP 01034105; Feb. 3, 1989; Toshiba Corp., Japan-“Cooling device for linear motor”.

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