Title:
CONTACT BLADE FOR HIGH-VOLTAGE EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2022/081047
Kind Code:
A1
Abstract:
The device relates to electrical engineering and can be used in blades for disconnect switches and earthing switches. A contact blade comprises blade members having a contact surface, which are fastened in cantilever fashion and are grouped in rows. Each of the rows of blade members is enclosed inside a common casing for preventing the rows of blade members from freezing together. The casing has a surface with low ice adhesion. The casing extends at least from the point of attachment of the blade members up to the contact surface thereof, or can extend along the entire length of the blade members with a cutout being provided at the contact surface. For draining water from inside the casing, holes are provided in the lower part thereof.
Inventors:
SEMENOV VLADIMIR ANATOLEVICH (RU)
GREKHOV VLADISLAV VLADIMIROVICH (RU)
GREKHOV VLADISLAV VLADIMIROVICH (RU)
Application Number:
PCT/RU2021/050340
Publication Date:
April 21, 2022
Filing Date:
October 13, 2021
Export Citation:
Assignee:
OBSHCHESTVO S OGRANICHENNOY OTVETSTVENNOSTYU «SVERDLOVELEKTRO–SILOVYE TRANSFORMATORY» OOO «SV (RU)
International Classes:
H01H31/02
Foreign References:
| RU2320047C1 | 2008-03-20 | |||
| US3836737A | 1974-09-17 | |||
| RU44419U1 | 2005-03-10 | |||
| SU974439A1 | 1982-11-15 |
Attorney, Agent or Firm:
KAZGOVA, Kristina Andreevna (RU)
Download PDF: