BR8300653A - ELECTRICAL AND HYDRAULIC CONTROL SYSTEM - Google Patents

ELECTRICAL AND HYDRAULIC CONTROL SYSTEM

Info

Publication number
BR8300653A
BR8300653A BR8300653A BR8300653A BR8300653A BR 8300653 A BR8300653 A BR 8300653A BR 8300653 A BR8300653 A BR 8300653A BR 8300653 A BR8300653 A BR 8300653A BR 8300653 A BR8300653 A BR 8300653A
Authority
BR
Brazil
Prior art keywords
electrical
control system
hydraulic control
hydraulic
control
Prior art date
Application number
BR8300653A
Other languages
Portuguese (pt)
Inventor
John Landis Grove
Eugene Loy Garber
Original Assignee
Jlg Ind Inc
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 Jlg Ind Inc filed Critical Jlg Ind Inc
Publication of BR8300653A publication Critical patent/BR8300653A/en

Links

Classifications

    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • F15B11/0426—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling the number of pumps or parallel valves switched on
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/044—Working platforms suspended from booms
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40576—Assemblies of multiple valves
    • F15B2211/40592—Assemblies of multiple valves with multiple valves in parallel flow paths
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in control
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/47—Flow control in one direction only
    • F15B2211/473—Flow control in one direction only without restriction in the reverse direction
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
  • Flow Control (AREA)
BR8300653A 1982-04-08 1983-02-08 ELECTRICAL AND HYDRAULIC CONTROL SYSTEM BR8300653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36661282A 1982-04-08 1982-04-08

Publications (1)

Publication Number Publication Date
BR8300653A true BR8300653A (en) 1983-12-13

Family

ID=23443748

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8300653A BR8300653A (en) 1982-04-08 1983-02-08 ELECTRICAL AND HYDRAULIC CONTROL SYSTEM

Country Status (11)

Country Link
JP (1) JPS58187602A (en)
AU (1) AU1053383A (en)
BE (1) BE895896A (en)
BR (1) BR8300653A (en)
DE (1) DE3307267A1 (en)
FR (1) FR2524945A1 (en)
GB (1) GB2119190A (en)
IT (1) IT1163241B (en)
NL (1) NL8300552A (en)
SE (1) SE8301900L (en)
ZA (1) ZA83704B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009026606A1 (en) * 2009-05-29 2010-12-02 Metso Paper, Inc. Digital hydraulic controller

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3038449A (en) * 1959-06-03 1962-06-12 Gen Dynamics Corp Hydraulic control system
DE2011713A1 (en) * 1970-03-12 1971-09-30 Bosch Gmbh Robert ADJUSTMENT DEVICE FOR A HYDRAULIC PISTON WITH PULSE LENGTH MODULATED CONTROL SIGNALS

Also Published As

Publication number Publication date
FR2524945A1 (en) 1983-10-14
BE895896A (en) 1983-05-30
NL8300552A (en) 1983-11-01
IT8320488A0 (en) 1983-04-07
JPS58187602A (en) 1983-11-01
ZA83704B (en) 1983-10-26
AU1053383A (en) 1983-10-13
SE8301900D0 (en) 1983-04-07
GB2119190A (en) 1983-11-09
DE3307267A1 (en) 1983-10-13
GB8302732D0 (en) 1983-03-02
SE8301900L (en) 1983-10-09
IT1163241B (en) 1987-04-08

Similar Documents

Publication Publication Date Title
BR8300594A (en) HYDRAULIC CONTROL SYSTEM
BR8102400A (en) COMMUNICATIONS SYSTEM AND CONTROL UNIT
ES539203A0 (en) DIRECTION TRANSFER CONTROL SYSTEM
BR8005901A (en) ELECTRIC CONTROL SYSTEM
BR8106632A (en) CONTROL SYSTEM
DK442187A (en) TRAFFIC CONTROL SYSTEM
BR8305653A (en) SUBSCRIBER CONTROL SYSTEM
NO850385L (en) Control System
IT1183411B (en) CONTROL SYSTEM
BR8406433A (en) HYDRAULIC SYSTEM
BR8407165A (en) CHANNEL CONTROL SYSTEM
BR8108545A (en) HYDRAULIC CONTROL SYSTEM
BR8502246A (en) HYDRAULIC ACTUATOR SYSTEM
BR8305796A (en) ELECTRIC HYDRAULIC ACTIVATION AND CONTROL SYSTEM
DK587385D0 (en) HYDRAULIC CONTROL SYSTEM
BR8407172A (en) BIFURCATION CONTROL SYSTEM
BR8406560A (en) PASSADIC SYSTEM
BR8303531A (en) HISTORY MEMORY CONTROL SYSTEM
IT1161173B (en) ELECTRONIC CONTROL SYSTEM
BR8205049A (en) HYDRAULIC CONTROL SYSTEM
IT1135499B (en) CONTROL SYSTEM
BR8605637A (en) HYDRAULIC SYSTEM
BR8300653A (en) ELECTRICAL AND HYDRAULIC CONTROL SYSTEM
BR8108122A (en) THYRISTOR CONTROL SYSTEM
BR8604817A (en) HYDRAULIC SYSTEM