GB251855A - Improvements in disk valves for rock drills - Google Patents
Improvements in disk valves for rock drillsInfo
- Publication number
- GB251855A GB251855A GB25154/25A GB2515425A GB251855A GB 251855 A GB251855 A GB 251855A GB 25154/25 A GB25154/25 A GB 25154/25A GB 2515425 A GB2515425 A GB 2515425A GB 251855 A GB251855 A GB 251855A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rock drills
- disk valves
- chest
- drills
- percussive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
- B25D9/16—Valve arrangements therefor
- B25D9/24—Valve arrangements therefor involving a rocking-plate type valve
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
251,855. Ingersoll-Rand Co., (Assignees of Hansen, C. C.). May 20, 1925, [Convention date]. Percussive drills.-Fluid is supplied to a percussive drill through a throttle valve R arranged on a chest on the side of the cylinder and is distributed by au oscillating flat, circular, plate valve F arranged in the chest.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US251855XA | 1925-05-20 | 1925-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB251855A true GB251855A (en) | 1926-05-13 |
Family
ID=21824536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25154/25A Expired GB251855A (en) | 1925-05-20 | 1925-10-08 | Improvements in disk valves for rock drills |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB251855A (en) |
-
1925
- 1925-10-08 GB GB25154/25A patent/GB251855A/en not_active Expired
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