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JPS51130776A - Preheating circuit in high-low pressure circuit - Google Patents

Preheating circuit in high-low pressure circuit

Info

Publication number
JPS51130776A
JPS51130776A JP50054808A JP5480875A JPS51130776A JP S51130776 A JPS51130776 A JP S51130776A JP 50054808 A JP50054808 A JP 50054808A JP 5480875 A JP5480875 A JP 5480875A JP S51130776 A JPS51130776 A JP S51130776A
Authority
JP
Japan
Prior art keywords
circuit
low pressure
preheating
pressure circuit
preheating circuit
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.)
Granted
Application number
JP50054808A
Other languages
Japanese (ja)
Other versions
JPS6010206B2 (en
Inventor
Koji Takashima
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.)
Nachi Fujikoshi Corp
Original Assignee
Nachi Fujikoshi Corp
Fujikoshi KK
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 Nachi Fujikoshi Corp, Fujikoshi KK filed Critical Nachi Fujikoshi Corp
Priority to JP50054808A priority Critical patent/JPS6010206B2/en
Publication of JPS51130776A publication Critical patent/JPS51130776A/en
Publication of JPS6010206B2 publication Critical patent/JPS6010206B2/en
Expired legal-status Critical Current

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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/042—Controlling the temperature of the fluid
    • F15B21/0427—Heating
    • 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
    • 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
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/526—Pressure 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/62—Cooling or heating means
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Compressor (AREA)

Abstract

PURPOSE:By tempory increasing of setting pressure of an unloading valve, a highlow pressure circuit is used as a preheating valve.
JP50054808A 1975-05-08 1975-05-08 Preheating circuit in high and low voltage circuits Expired JPS6010206B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50054808A JPS6010206B2 (en) 1975-05-08 1975-05-08 Preheating circuit in high and low voltage circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50054808A JPS6010206B2 (en) 1975-05-08 1975-05-08 Preheating circuit in high and low voltage circuits

Publications (2)

Publication Number Publication Date
JPS51130776A true JPS51130776A (en) 1976-11-13
JPS6010206B2 JPS6010206B2 (en) 1985-03-15

Family

ID=12981013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50054808A Expired JPS6010206B2 (en) 1975-05-08 1975-05-08 Preheating circuit in high and low voltage circuits

Country Status (1)

Country Link
JP (1) JPS6010206B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857503A (en) * 1981-09-30 1983-04-05 Sanwa Tekki Corp Remote control type hydraulic pump unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4865380A (en) * 1971-12-13 1973-09-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4865380A (en) * 1971-12-13 1973-09-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857503A (en) * 1981-09-30 1983-04-05 Sanwa Tekki Corp Remote control type hydraulic pump unit

Also Published As

Publication number Publication date
JPS6010206B2 (en) 1985-03-15

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