PANTAGRAPH

申请公布号：KR101622849(B1)

申请号：KR20140166421

申请日期：2014.11.26

申请公布日期：2016.05.19

申请人：

HYUNDAI STEEL COMPANY

发明人：KANG, KI SUEN;KIM, GEUN HO;KIM, YU SUNG

分类号：B60L5/00;B60L5/42

主分类号：B60L5/00

摘要：The present invention relates to a pantograph comprising: a support unit which is mounted on a small freight car; a base unit which is coupled to the support unit; a pantograph unit which is mounted on the base unit, comes into contact with a trolley bar, supplies power, and changes a contact portion with the trolley bar by rotating. Accordingly, it is possible to increase the replacement period of the pantograph unit and it is possible to reduce equipment maintenance costs.

DEAD TIME GENERATING CIRCUIT FOR INVERTER CIRCUIT

COLLATION SYSTEM

NATURAL LANGUAGE PROCESSING SYSTEM

GARBAGE COLLECTION SYSTEM

VIDEOTEX COMMUNICATION SYSTEM

METHOD FOR DISCHARGE TREATMENT OF RESIN MOLDED PRODUCT

SEMICONDUCTOR RELAY

ROTARY TABLE

MANUFACTURE OF SEMICONDUCTOR DEVICE

PHOTOSENSITIVE BODY

SEMICONDUCTOR DEVICE

MANUFACTURE OF SEMICONDUCTOR DEVICE

ELECTROCHROMIC DISPLAY ELEMENT

POLYPEPTIDE HYDROLYZING DEVICE

RECORDER

WING TUNNEL STRUCTURE

MANUFACTURE OF SEMICONDUCTOR DEVICE

SEMICONDUCTOR MEMORY DEVICE

PRODUCTION OF TETRABROMOBISPHENOL A

ELECTRIC POWER CONVERTER