IES87448Y1 - Hybrid hydraulic down-the-hole hammer - Google Patents
Hybrid hydraulic down-the-hole hammerInfo
- Publication number
- IES87448Y1 IES87448Y1 IE20220123U IE20220123U IES87448Y1 IE S87448 Y1 IES87448 Y1 IE S87448Y1 IE 20220123 U IE20220123 U IE 20220123U IE 20220123 U IE20220123 U IE 20220123U IE S87448 Y1 IES87448 Y1 IE S87448Y1
- Authority
- IE
- Ireland
- Prior art keywords
- piston
- hammer
- wear sleeve
- outer wear
- shaft
- Prior art date
Links
- 238000009527 percussion Methods 0.000 abstract 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention relates to a closed-loop hydraulic down-the-hole hammer comprising an elongate shaft and a piston having a central bore therethrough, the piston slidably mounted for reciprocal movement on the shaft and arranged to impact a percussion bit, wherein forward and rear drive chambers for the piston are disposed between the piston and the shaft and wherein the forward chamber is separated from the rear chamber by an annular shoulder formed internally of the piston bore. The hammer also comprises a control valve to control reciprocation of the piston, wherein the control valve is arranged within the central bore of the piston. The hammer further comprises an outer wear sleeve, wherein the piston is housed within the outer wear sleeve. A supplementary rear drive chamber is disposed between the piston and the outer wear sleeve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE20220123U IE20220123U1 (en) | 2022-07-21 | 2022-07-21 | Hybrid hydraulic down-the-hole hammer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE20220123U IE20220123U1 (en) | 2022-07-21 | 2022-07-21 | Hybrid hydraulic down-the-hole hammer |
Publications (2)
Publication Number | Publication Date |
---|---|
IES87448Y1 true IES87448Y1 (en) | 2023-11-08 |
IE20220123U1 IE20220123U1 (en) | 2023-11-08 |
Family
ID=89432546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE20220123U IE20220123U1 (en) | 2022-07-21 | 2022-07-21 | Hybrid hydraulic down-the-hole hammer |
Country Status (1)
Country | Link |
---|---|
IE (1) | IE20220123U1 (en) |
-
2022
- 2022-07-21 IE IE20220123U patent/IE20220123U1/en unknown
Also Published As
Publication number | Publication date |
---|---|
IE20220123U1 (en) | 2023-11-08 |
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