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
  • B25D9/06—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
  • 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
  • F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary valve
• • 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
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16H—GEARING
  • F16H43/00—Other fluid gearing, e.g. with oscillating input or output

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Percussive Tools And Related Accessories (AREA)
• Fluid-Pressure Circuits (AREA)
• Reciprocating Pumps (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=5942157

Family Applications (1)

Country Status (15)

Cited By (1)

Families Citing this family (21)

Family Cites Families (3)

• 1975
  • 1975-03-22 DE DE19752512731 patent/DE2512731A1/en active Granted
• 1976
  • 1976-02-17 SE SE7601782A patent/SE410090B/en unknown
  • 1976-02-18 ZA ZA981A patent/ZA76981B/en unknown
  • 1976-02-19 CA CA246,078A patent/CA1038725A/en not_active Expired
  • 1976-02-23 AT AT128176A patent/AT345218B/en not_active IP Right Cessation
  • 1976-02-24 CH CH223876A patent/CH595193A5/xx not_active IP Right Cessation
  • 1976-03-04 GB GB8778/76A patent/GB1536494A/en not_active Expired
  • 1976-03-09 NL NLAANVRAGE7602447,A patent/NL179351C/en not_active IP Right Cessation
  • 1976-03-15 FI FI760672A patent/FI760672A/fi not_active Application Discontinuation
  • 1976-03-16 ES ES446108A patent/ES446108A1/en not_active Expired
  • 1976-03-17 AU AU12071/76A patent/AU500873B2/en not_active Expired
  • 1976-03-17 FR FR7607673A patent/FR2305279A1/en active Granted
  • 1976-03-18 IT IT21388/76A patent/IT1058625B/en active
  • 1976-03-22 BE BE165415A patent/BE839858A/en not_active IP Right Cessation
  • 1976-03-22 JP JP51033071A patent/JPS5813311B2/en not_active Expired

Also Published As

Similar Documents