ZA735258B - Control means for a fluid powered device - Google Patents
Control means for a fluid powered deviceInfo
- Publication number
- ZA735258B ZA735258B ZA735258A ZA735258A ZA735258B ZA 735258 B ZA735258 B ZA 735258B ZA 735258 A ZA735258 A ZA 735258A ZA 735258 A ZA735258 A ZA 735258A ZA 735258 B ZA735258 B ZA 735258B
- Authority
- ZA
- South Africa
- Prior art keywords
- control means
- powered device
- fluid powered
- fluid
- control
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
- B06B1/183—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with reciprocating masses
-
- 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
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L15/00—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00
- F01L15/14—Arrangements with several co-operating main valves, e.g. reciprocatory and rotary
- F01L15/16—Arrangements with several co-operating main valves, e.g. reciprocatory and rotary with reciprocatory slide valves only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L21/00—Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
- F01L21/04—Valves arranged in or on piston or piston-rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
- F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
- F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
-
- 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
- F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
- F03C1/0073—Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure
- F03C1/0076—Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure the liquid under pressure being continuously delivered to one cylinder chamber through a valve in the piston for actuating the return stroke
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S173/00—Tool driving or impacting
- Y10S173/04—Liquid operated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Percussive Tools And Related Accessories (AREA)
- Actuator (AREA)
- Control Of Presses (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00279694A US3822633A (en) | 1972-08-10 | 1972-08-10 | Control means for a fluid-powered device |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA735258B true ZA735258B (en) | 1974-07-31 |
Family
ID=23070036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA735258A ZA735258B (en) | 1972-08-10 | 1973-08-01 | Control means for a fluid powered device |
Country Status (9)
Country | Link |
---|---|
US (1) | US3822633A (xx) |
JP (1) | JPS4963881A (xx) |
AU (1) | AU470439B2 (xx) |
CA (1) | CA1005292A (xx) |
DE (1) | DE2336938A1 (xx) |
FR (1) | FR2195755B1 (xx) |
GB (2) | GB1421839A (xx) |
SE (1) | SE397116B (xx) |
ZA (1) | ZA735258B (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4157121A (en) * | 1977-02-04 | 1979-06-05 | Chicago Pneumatic Tool Co. | Hydraulic powered rock drill |
US5269382A (en) * | 1992-05-08 | 1993-12-14 | Esco Corporation | Impact device |
US5626068A (en) * | 1994-04-12 | 1997-05-06 | White Manufacturing (Proprietary) Limited | Hydraulic reciprocating mechanism |
US6155353A (en) * | 1999-07-23 | 2000-12-05 | Ottestad; Jack B. | Impact tool |
WO2005065891A1 (en) * | 2003-12-19 | 2005-07-21 | Clark Equipment Company | Impact tool |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US343569A (en) * | 1886-06-15 | coopee | ||
US1157924A (en) * | 1915-07-21 | 1915-10-26 | Charles Christiansen | Pneumatic tool. |
US3137483A (en) * | 1958-01-24 | 1964-06-16 | Zinkiewicz Wiktor | Ground burrowing device |
US3524385A (en) * | 1966-07-11 | 1970-08-18 | Impulse Prod Corp | Control means for fluid-powered devices |
-
1972
- 1972-08-10 US US00279694A patent/US3822633A/en not_active Expired - Lifetime
-
1973
- 1973-06-21 CA CA174,684A patent/CA1005292A/en not_active Expired
- 1973-06-29 GB GB3103973A patent/GB1421839A/en not_active Expired
- 1973-06-29 GB GB2411175A patent/GB1421840A/en not_active Expired
- 1973-07-11 AU AU57967/73A patent/AU470439B2/en not_active Expired
- 1973-07-20 DE DE19732336938 patent/DE2336938A1/de not_active Ceased
- 1973-07-31 SE SE7310507A patent/SE397116B/xx unknown
- 1973-08-01 ZA ZA735258A patent/ZA735258B/xx unknown
- 1973-08-09 FR FR7329136A patent/FR2195755B1/fr not_active Expired
- 1973-08-10 JP JP48089395A patent/JPS4963881A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4963881A (xx) | 1974-06-20 |
SE397116B (sv) | 1977-10-17 |
US3822633A (en) | 1974-07-09 |
FR2195755B1 (xx) | 1978-12-29 |
DE2336938A1 (de) | 1974-02-28 |
FR2195755A1 (xx) | 1974-03-08 |
AU470439B2 (en) | 1976-03-18 |
GB1421840A (en) | 1976-01-21 |
GB1421839A (xx) | 1976-01-21 |
AU5796773A (en) | 1975-01-16 |
CA1005292A (en) | 1977-02-15 |
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