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Patent Searching and Data


Title:
HALL ROTARY TRANSFORMER AND HALL ROTATION ANGLE ENCODER MADE OF IT
Document Type and Number:
WIPO Patent Application WO/2010/078683
Kind Code:
A1
Abstract:
A Hall rotary transformer comprises a rotary transformer stator (1), linear Hall components (3), a PCB (4) and a permanent magnet magnetic ring (5). A ring shape soft iron core (2) is installed on the PCB (4). Plural grooves (8) are uniformly distributed inside the peripheral surface of the ring shape soft iron core (2) and have the same number as the linear Hall components (3). Every linear Hall component (3) is installed in its corresponding groove (8) and soldered on the PCB (4). The magnetic sensitive surface of each linear Hall component (3) is aligned with the magnetic pole surface of the permanent magnet magnetic ring (5) each other. A Hall rotation angle encoder is made of the Hall rotary transformer.

Inventors:
LI TIECAI (CN)
ZHOU ZHAOYONG (CN)
QI YAMEI (CN)
LIU YAJING (CN)
TANG PINGHUA (CN)
YANG GUIJIE (CN)
SU JIANYONG (CN)
WANG ZHIGUO (CN)
LAN WEILONG (CN)
LIAO ZHIHUI (CN)
Application Number:
PCT/CN2008/073870
Publication Date:
July 15, 2010
Filing Date:
December 30, 2008
Export Citation:
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Assignee:
SHENZHEN ACADEMY OF AEROSPACE (CN)
LI TIECAI (CN)
ZHOU ZHAOYONG (CN)
QI YAMEI (CN)
LIU YAJING (CN)
TANG PINGHUA (CN)
YANG GUIJIE (CN)
SU JIANYONG (CN)
WANG ZHIGUO (CN)
LAN WEILONG (CN)
LIAO ZHIHUI (CN)
International Classes:
G01B7/00; G01D5/245; H01F38/14
Foreign References:
JPS62226012A1987-10-05
JPH08288160A1996-11-01
Attorney, Agent or Firm:
SHENZHEN STANDARD PATENT & TRADEMARK AGENT LTD. (Yinzuo International BuildingNo.1056 Shennan Boulevard, Futia, Shenzhen Guangdong 0, CN)
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