GB640086A - Improvements in or relating to apparatus for controlling movable members from a distance by means of fluid under pressure - Google Patents

Improvements in or relating to apparatus for controlling movable members from a distance by means of fluid under pressure

Info

Publication number
GB640086A
GB640086A GB35091/45A GB3509145A GB640086A GB 640086 A GB640086 A GB 640086A GB 35091/45 A GB35091/45 A GB 35091/45A GB 3509145 A GB3509145 A GB 3509145A GB 640086 A GB640086 A GB 640086A
Authority
GB
United Kingdom
Prior art keywords
pressure
piston
valve
connections
adjustable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB35091/45A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric SE
Original Assignee
Schneider et Cie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schneider et Cie filed Critical Schneider et Cie
Publication of GB640086A publication Critical patent/GB640086A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
    • F15B11/121—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions
    • F15B11/123—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions by means of actuators with fluid-operated stops
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/02—Controlling by changing the air or fuel supply
    • F02D2700/0269—Controlling by changing the air or fuel supply for air compressing engines with compression ignition
    • F02D2700/0282—Control of fuel supply
    • F02D2700/0284—Control of fuel supply by acting on the fuel pump control element
    • F02D2700/0292—Control of fuel supply by acting on the fuel pump control element depending on the speed of a centrifugal governor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Combustion & Propulsion (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)

Abstract

640,086. Centrifugal governors. SCHNEIDER & CIE. Dec. 28, 1945, No. 35091. Convention date, Dec. 29, 1944. [Class 57] [Also in Group XXIX] A device for controlling the fuel injection pumps of an internal combustion engine comprises a fluid pressure servomotor having a differential piston 20 subject to the action of a centrifugal governor and one or more annular pistons such as 21 sliding on the differential piston, fluid connections such as f, g, h being provided to admit fluid under adjustable pressure to each side of each piston whereby to obtain at least one intermediate position of adjustment which may be rendered at least partially independent of the action of the governor. In the Figure, the differential piston 20 bears only one annular piston 21 so that by selectively controlling the connections f, g, h one determined intermediate position of the control rod 15 is connected through a linkage 16 to the output control of the fuel injection pumps and is subject to the action of the governor loading spring 14 and the centrifugal force of the governor weights 9 acting on the collar 13. The lower abutment of the annular piston 21 comprises a sleeve 22 adjustable by a screw 23 after removal of a sealing cap 26. Stops 27 passing through the base of the sleeve 22 limit the stroke of the piston 20. The connections f, g, h are controlled by a distributing valve 31 operable by a handle 32 and supplied by a motor driven pump 29 from a tank 28. In the " full running" position the connection g only is connected to the pressure supply the valve of this pressure being adjustable by a valve 34. In the " throttled running " position, both the connections f, g are subject to pressure and the connection h is open to exhaust. In the " stop position, the connection f only is open to pressure. In the two latter positions, the valve 34 is cut out and the supply pressure is adjustable by a valve 30. A gauge 35 indicates the supply pressure. Other engines may be controlled simultaneously from the same station 45 through conduits 36, 37, 38. The engine or engines may be controlled from another station through conduits 42, 43, 44, cocks 39, 40, 41 being operated to cut out the station 45.
GB35091/45A 1944-12-29 1945-12-28 Improvements in or relating to apparatus for controlling movable members from a distance by means of fluid under pressure Expired GB640086A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR640086X 1944-12-29

Publications (1)

Publication Number Publication Date
GB640086A true GB640086A (en) 1950-07-12

Family

ID=8997210

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35091/45A Expired GB640086A (en) 1944-12-29 1945-12-28 Improvements in or relating to apparatus for controlling movable members from a distance by means of fluid under pressure

Country Status (1)

Country Link
GB (1) GB640086A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2893353A (en) * 1954-08-13 1959-07-07 Gen Motors Corp Three position actuator cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2893353A (en) * 1954-08-13 1959-07-07 Gen Motors Corp Three position actuator cylinder

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