Title:
A FLAT CARBON COMMUTATOR AND PREPARATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2008/043273
Kind Code:
A1
Abstract:
A flat carbon commutator and preparation method thereof are provided, the commutator includes
a commutating sheet (1), a molding plastic substrate (2) and a carbon block (3),
wherein the commutating sheet (1) is molded by punching a metal ring plate, a groove
(11) is formed at the inner edge of the commutating sheet (1) to position the carbon
block (3) and a wrapping angle is formed at the outer edge of the same; the carbon
block (3) opposed to the commutating sheet (1) is formed into the shape of ladder
so as to cooperate with the molding plastic substrate (2) and the commutating
sheet (1); a brazing material (4) is provided at the interface between the commutating
sheet (1) and the carbon block (3); then the commutator assembly with the carbon
block (3) is transmitted into a special brazing device and brazed at the temperature
over 900? for 30 minutes, so a commutator blank is obtained; finally the commutating
sheet (1) and the carbon block (3) are cocooned in the molding plastic substrate
(2).
Inventors:
YANG JIXI (CN)
LIN XIANGQING (CN)
LUO HONG (CN)
ZHANG JUN (CN)
LIN XIANGQING (CN)
LUO HONG (CN)
ZHANG JUN (CN)
Application Number:
PCT/CN2007/002892
Publication Date:
April 17, 2008
Filing Date:
October 08, 2007
Export Citation:
Assignee:
ZHEJIANG GREATWALL COMMUTATOR (CN)
YANG JIXI (CN)
LIN XIANGQING (CN)
LUO HONG (CN)
ZHANG JUN (CN)
YANG JIXI (CN)
LIN XIANGQING (CN)
LUO HONG (CN)
ZHANG JUN (CN)
International Classes:
H01R39/06; B23K1/00; B23K35/30; H01R43/06
Foreign References:
US20010013737A1 | 2001-08-16 | |||
CN1909302A | 2007-02-07 | |||
CN1927514A | 2007-03-14 | |||
CN200956484Y | 2007-10-03 |
Attorney, Agent or Firm:
XIAMEN SHINHWA PATENT & TRADEMARK AGENCO CO., LTD. (Hubin East RoadXiamen, Fujian 4, CN)
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