ZA737667B - Hydraulic control apparatus for a piston of high number of strokes and alternately impingeable at both piston faces - Google Patents
Hydraulic control apparatus for a piston of high number of strokes and alternately impingeable at both piston facesInfo
- Publication number
- ZA737667B ZA737667B ZA737667*A ZA737667A ZA737667B ZA 737667 B ZA737667 B ZA 737667B ZA 737667 A ZA737667 A ZA 737667A ZA 737667 B ZA737667 B ZA 737667B
- Authority
- ZA
- South Africa
- Prior art keywords
- piston
- impingeable
- strokes
- alternately
- control apparatus
- Prior art date
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
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/08—Distributing valve-gear peculiar thereto
- F03C1/10—Distributing valve-gear peculiar thereto actuated by piston or piston-rod
- F03C1/12—Distributing valve-gear peculiar thereto actuated by piston or piston-rod mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Percussive Tools And Related Accessories (AREA)
- Basic Packing Technique (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1458172A CH550322A (de) | 1972-10-05 | 1972-10-05 | Hydraulische steuereinrichtung fuer einen beidseitig ab- wechslungsweise beaufschlagbaren kolben hoher hubzahl. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA737667B true ZA737667B (en) | 1974-08-28 |
Family
ID=4402059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA737667*A ZA737667B (en) | 1972-10-05 | 1973-09-28 | Hydraulic control apparatus for a piston of high number of strokes and alternately impingeable at both piston faces |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS4972774A (pl) |
| AU (1) | AU6088673A (pl) |
| BE (1) | BE805286A (pl) |
| CH (1) | CH550322A (pl) |
| DE (1) | DE2348871A1 (pl) |
| ES (1) | ES419466A1 (pl) |
| FR (1) | FR2202541A5 (pl) |
| IT (1) | IT995579B (pl) |
| NL (1) | NL7313608A (pl) |
| ZA (1) | ZA737667B (pl) |
-
1972
- 1972-10-05 CH CH1458172A patent/CH550322A/xx not_active IP Right Cessation
-
1973
- 1973-09-25 BE BE136022A patent/BE805286A/xx unknown
- 1973-09-27 JP JP48109177A patent/JPS4972774A/ja active Pending
- 1973-09-28 ZA ZA737667*A patent/ZA737667B/xx unknown
- 1973-09-28 DE DE19732348871 patent/DE2348871A1/de active Pending
- 1973-10-02 AU AU60886/73A patent/AU6088673A/en not_active Expired
- 1973-10-03 NL NL7313608A patent/NL7313608A/xx unknown
- 1973-10-04 IT IT29720/73A patent/IT995579B/it active
- 1973-10-04 ES ES419466A patent/ES419466A1/es not_active Expired
- 1973-10-04 FR FR7335511A patent/FR2202541A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4972774A (pl) | 1974-07-13 |
| FR2202541A5 (pl) | 1974-05-03 |
| IT995579B (it) | 1975-11-20 |
| NL7313608A (pl) | 1974-04-09 |
| DE2348871A1 (de) | 1974-04-11 |
| ES419466A1 (es) | 1976-03-16 |
| CH550322A (de) | 1974-06-14 |
| AU6088673A (en) | 1975-04-10 |
| BE805286A (fr) | 1974-01-16 |
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