Classifications

• • 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
  • F01L25/063—Arrangements with main and auxiliary valves, at least one of them being fluid-driven the auxiliary valve being actuated by the working motor-piston or piston-rod
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
  • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
  • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
  • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
  • F04B9/129—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers
  • F04B9/131—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers with two mechanically connected pumping members
  • F04B9/135—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by two single-acting elastic-fluid motors, each acting in one direction

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Actuator (AREA)
• Reciprocating Pumps (AREA)
• Hydraulic Motors (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8467528

Family Applications (1)

Country Status (9)

Families Citing this family (2)

• 1974
  • 1974-09-10 ES ES429933A patent/ES429933A1/es not_active Expired
• 1975
  • 1975-01-01 AR AR260304A patent/AR204290A1/es active
  • 1975-09-03 FR FR7526966A patent/FR2284782A1/fr not_active Withdrawn
  • 1975-09-08 IT IT69233/75A patent/IT1047166B/it active
  • 1975-09-08 BR BR7505754*A patent/BR7505754A/pt unknown
  • 1975-09-08 NL NL7510549A patent/NL7510549A/xx unknown
  • 1975-09-08 LU LU73347A patent/LU73347A1/xx unknown
  • 1975-09-08 DE DE19752539892 patent/DE2539892A1/de active Pending
  • 1975-09-08 BE BE159844A patent/BE833188A/xx unknown

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