Title:
AIR SWITCHING DEVICE FOR CORE BARREL HAMMER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/065770
Kind Code:
A1
Abstract:
The present invention relates to an air switching device for a core barrel hammer system, wherein an air switching device is provided between a rotating rod and a core barrel hammer system and configured to supply air to an air hammer when the rotating rod is driven in the forward direction and supply air to a core cutting means when the rotating rod is driven in the backward direction, whereby the operational efficiency can be improved and air can be efficiently provided.
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Inventors:
SONG CHAE YEON (KR)
Application Number:
PCT/KR2021/012387
Publication Date:
March 31, 2022
Filing Date:
September 13, 2021
Export Citation:
Assignee:
SONG CHAE YEON (KR)
International Classes:
E02D7/30; E21B1/30
Foreign References:
| KR102069282B1 | 2020-02-11 | |||
| KR960005723A | 1996-02-23 | |||
| KR20120005651U | 2012-08-07 | |||
| JP3551272B2 | 2004-08-04 | |||
| KR20150105857A | 2015-09-18 |
Attorney, Agent or Firm:
DAE YEON PATENT & LAW FIRM (KR)
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