CH550322A - HYDRAULIC CONTROL DEVICE FOR ONE HIGH-STROKE PISTON, ALTERNATELY OPENABLE ON BOTH SIDES. - Google Patents
HYDRAULIC CONTROL DEVICE FOR ONE HIGH-STROKE PISTON, ALTERNATELY OPENABLE ON BOTH SIDES.Info
- Publication number
- CH550322A CH550322A CH1458172A CH1458172A CH550322A CH 550322 A CH550322 A CH 550322A CH 1458172 A CH1458172 A CH 1458172A CH 1458172 A CH1458172 A CH 1458172A CH 550322 A CH550322 A CH 550322A
- Authority
- CH
- Switzerland
- Prior art keywords
- sides
- control device
- hydraulic control
- stroke piston
- alternately openable
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Percussive Tools And Related Accessories (AREA)
- Fluid-Pressure Circuits (AREA)
- Basic Packing Technique (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1458172A CH550322A (en) | 1972-10-05 | 1972-10-05 | HYDRAULIC CONTROL DEVICE FOR ONE HIGH-STROKE PISTON, ALTERNATELY OPENABLE ON BOTH SIDES. |
BE136022A BE805286A (en) | 1972-10-05 | 1973-09-25 | HYDRAULIC CONTROL DEVICE FOR A PISTON WITH A HIGH NUMBER OF STROKES AND WHICH CAN BE USED ALTERNATIVELY ON BOTH SIDES |
JP48109177A JPS4972774A (en) | 1972-10-05 | 1973-09-27 | |
DE19732348871 DE2348871A1 (en) | 1972-10-05 | 1973-09-28 | HYDRAULIC CONTROL DEVICE FOR A HIGH-STROKE PISTON, ALTERNATELY OPENABLE ON BOTH SIDES |
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 |
AU60886/73A AU6088673A (en) | 1972-10-05 | 1973-10-02 | Hydraulic control apparatus fora piston of high number of strokes and alternately impingeable at both piston faces |
NL7313608A NL7313608A (en) | 1972-10-05 | 1973-10-03 | |
FR7335511A FR2202541A5 (en) | 1972-10-05 | 1973-10-04 | |
ES419466A ES419466A1 (en) | 1972-10-05 | 1973-10-04 | Hydraulic government device for a package susceptible to be alternatively powered in both senses at high number of races. (Machine-translation by Google Translate, not legally binding) |
IT29720/73A IT995579B (en) | 1972-10-05 | 1973-10-04 | HYDRAULIC CONTROL FOR A HIGH CADENCE PLUNGER THAT CAN BE STRESSED ALTERNATELY ON BOTH SIDES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1458172A CH550322A (en) | 1972-10-05 | 1972-10-05 | HYDRAULIC CONTROL DEVICE FOR ONE HIGH-STROKE PISTON, ALTERNATELY OPENABLE ON BOTH SIDES. |
Publications (1)
Publication Number | Publication Date |
---|---|
CH550322A true CH550322A (en) | 1974-06-14 |
Family
ID=4402059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1458172A CH550322A (en) | 1972-10-05 | 1972-10-05 | HYDRAULIC CONTROL DEVICE FOR ONE HIGH-STROKE PISTON, ALTERNATELY OPENABLE ON BOTH SIDES. |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS4972774A (en) |
AU (1) | AU6088673A (en) |
BE (1) | BE805286A (en) |
CH (1) | CH550322A (en) |
DE (1) | DE2348871A1 (en) |
ES (1) | ES419466A1 (en) |
FR (1) | FR2202541A5 (en) |
IT (1) | IT995579B (en) |
NL (1) | NL7313608A (en) |
ZA (1) | ZA737667B (en) |
-
1972
- 1972-10-05 CH CH1458172A patent/CH550322A/en not_active IP Right Cessation
-
1973
- 1973-09-25 BE BE136022A patent/BE805286A/en unknown
- 1973-09-27 JP JP48109177A patent/JPS4972774A/ja active Pending
- 1973-09-28 DE DE19732348871 patent/DE2348871A1/en active Pending
- 1973-09-28 ZA ZA737667*A patent/ZA737667B/en unknown
- 1973-10-02 AU AU60886/73A patent/AU6088673A/en not_active Expired
- 1973-10-03 NL NL7313608A patent/NL7313608A/xx unknown
- 1973-10-04 ES ES419466A patent/ES419466A1/en not_active Expired
- 1973-10-04 FR FR7335511A patent/FR2202541A5/fr not_active Expired
- 1973-10-04 IT IT29720/73A patent/IT995579B/en active
Also Published As
Publication number | Publication date |
---|---|
AU6088673A (en) | 1975-04-10 |
JPS4972774A (en) | 1974-07-13 |
IT995579B (en) | 1975-11-20 |
NL7313608A (en) | 1974-04-09 |
BE805286A (en) | 1974-01-16 |
ES419466A1 (en) | 1976-03-16 |
FR2202541A5 (en) | 1974-05-03 |
DE2348871A1 (en) | 1974-04-11 |
ZA737667B (en) | 1974-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |