Brushless generator having coreless assembly

• US 20070007839A1
• Filed: 04/12/2006
• Published: 01/11/2007
• Est. Priority Date: 07/11/2005
• Status: Active Grant

• Current Assignee: Yangda Co., Ltd.
• Original Assignee: Min-Huang Lin
• Inventors: Lin, Min-Huang
• Granted Patent: US 7,482,722 B2
• Time in Patent Office: Days
• US Class Current: 310/156.320
• CPC Class Codes: H02K 21/24 with magnets axially facing the armatures, e.g. hub-type cycle dynamos
• CPC Class Codes: H02K 7/1807 Rotary generators H02K7/006 takes precedence

Abstract

A brushless generator has a high rotation speed, a high usage efficiency, no iron loss and a small mechanical loss while the electric power output of the generator is increased

Claims

1. A brushless generator having coreless assembly, comprising:

(a) an actuator;

(b) a power generator head comprising a case, said actuator connecting to said case, a first shaft flexibly penetrating through at center of said case, a coreless wound stator deposing on said shaft, two collar plates deposing in said case, said collar plates corresponding to two opposite surfaces of said coreless wound stator, a permanent magnet deposing on at least one of said collar plates, said permanent magnet corresponding to said coreless wound stator, a lead wire connecting to said coreless wound stator; and

(c) a voltage stabilizer connected with said lead wire of said power generator head.

2. The generator according to claim 1 wherein in a bearing is respectively deposed between said case and each of two ends of said shaft.

3. A brushless generator having coreless assembly, comprising:

(a) an actuator;

(b) a speed-up device connected with said actuator to increase rotation rate of said actuator;

(c) a power generator head comprising a case connected with said speed-up device, a first shaft flexibly penetrating through at center of said case, a coreless wound stator deposing on said first shaft, two collar plates deposing in said case, said collar plates corresponding to two opposite surfaces of said coreless wound stator, a permanent magnet deposing on at least one of said collar plates, said permanent magnet corresponding to said coreless wound stator, a lead wire connecting to said coreless wound stator; and

(d) a voltage stabilizer connected with said lead wire of said power generator head.

4. The generator according to claim 3

wherein said speed-up device comprises a shell, an annular gear, a second shaft, a carrying seat, a plurality of tower planet gears, and a connecting seat;

wherein said annular gear sheathes around said tower planet gears;

wherein said second shaft comprises a teeth part and is connected to said actuator;

wherein said tower planet gears are deposed on said carrying seat and each of said tower planet gears comprises an engagement to said teeth part; and

wherein said connecting seat comprises a third shaft and is connected with said second shaft.

5. The generator according to claim 3, wherein a bearing is respectively located between said case and each of two ends of said first shaft.

6. The generator according to claim 4,

wherein said tower planet gear comprises a wheel and a pinion, and

wherein said wheel comprises an engagement with said teeth part of said second shaft.

7. The generator according to claim 4,

wherein said annular gear sheathes around outside surface of said pinion of said tower planet gear;

and

wherein said annular gear comprises a teeth part encircling said pinion to have an engagement with said pinion.

8. The generator according to claim 4,

wherein said connecting seat is fixed on said carrying seat;

and

wherein said connecting seat is connected with said tower planet gear.

9. The generator according to claim 4,

wherein said second shaft and said third shaft are penetrated through two opposite end surfaces of said shell to be flexibly joined;

and

wherein said annular gear is connected with inner surface of said shell.