JPS5932190U - Hydraulic circuit using variable motor - Google Patents

Hydraulic circuit using variable motor

Info

Publication number
JPS5932190U
JPS5932190U JP12695282U JP12695282U JPS5932190U JP S5932190 U JPS5932190 U JP S5932190U JP 12695282 U JP12695282 U JP 12695282U JP 12695282 U JP12695282 U JP 12695282U JP S5932190 U JPS5932190 U JP S5932190U
Authority
JP
Japan
Prior art keywords
hydraulic circuit
variable motor
motor
hydraulic
hydraulic pump
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.)
Pending
Application number
JP12695282U
Other languages
Japanese (ja)
Inventor
忠義 田中
Original Assignee
宇部興産株式会社
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 宇部興産株式会社 filed Critical 宇部興産株式会社
Priority to JP12695282U priority Critical patent/JPS5932190U/en
Publication of JPS5932190U publication Critical patent/JPS5932190U/en
Pending 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
    • 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
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/255—Flow control functions
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/265—Control of multiple pressure sources
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/455—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
    • F15B2211/50—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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図及び第２図はそれぞれ異なった従来の例を示す油
圧回路図、第３図は本考案の１実施例を示す油圧回路図
、第４図は本考案の他の実施例を示す油圧回路図、第５
図は第４図に示した実施例の吐出特性を示す線図である
。 １・・・定吐出量型の油圧ポンプ、２・・・定回転型の
モータ、３・・・配管、４・・・チェックバルブ、５・
・・流量調整弁、６・・・リリーフバルブ、７・・・可
変吐出量型のポンプ、８・・・可変モータ。Figs. 1 and 2 are hydraulic circuit diagrams showing different conventional examples, Fig. 3 is a hydraulic circuit diagram showing one embodiment of the present invention, and Fig. 4 is a hydraulic circuit diagram showing another embodiment of the present invention. Circuit diagram, 5th
This figure is a diagram showing the ejection characteristics of the embodiment shown in FIG. 4. DESCRIPTION OF SYMBOLS 1... Constant discharge type hydraulic pump, 2... Constant rotation type motor, 3... Piping, 4... Check valve, 5...
...Flow rate adjustment valve, 6...Relief valve, 7...Variable discharge amount type pump, 8...Variable motor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧ポンプをモータで駆動する油圧回路において、油圧
ポンプの駆動源として可変モータを使用し、可変モータ
の回転数を変えることにより、油圧ポンプの吐出量を変
えるようにし、油圧回路に必要な吐出量のみを吐出する
ように構成したことを特徴とした油圧回路。In a hydraulic circuit that drives a hydraulic pump with a motor, a variable motor is used as the drive source of the hydraulic pump, and by changing the rotation speed of the variable motor, the discharge volume of the hydraulic pump is changed, and the discharge volume required for the hydraulic circuit is changed. A hydraulic circuit characterized in that it is configured to discharge only.
JP12695282U 1982-08-24 1982-08-24 Hydraulic circuit using variable motor Pending JPS5932190U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12695282U JPS5932190U (en) 1982-08-24 1982-08-24 Hydraulic circuit using variable motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12695282U JPS5932190U (en) 1982-08-24 1982-08-24 Hydraulic circuit using variable motor

Publications (1)

Publication Number Publication Date
JPS5932190U true JPS5932190U (en) 1984-02-28

Family

ID=30288495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12695282U Pending JPS5932190U (en) 1982-08-24 1982-08-24 Hydraulic circuit using variable motor

Country Status (1)

Country Link
JP (1) JPS5932190U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6283926U (en) * 1985-11-14 1987-05-28
JP2008038961A (en) * 2006-08-02 2008-02-21 Yuken Kogyo Co Ltd Fluid pressure circuit, and control method for fluid pressure drive unit using the same
JP2010255596A (en) * 2009-04-28 2010-11-11 Daikin Ind Ltd Hydraulic control system, injection molding machine, and controller
EP3670929A1 (en) * 2018-12-20 2020-06-24 Siemens Gamesa Renewable Energy A/S Hydraulic pump arrangement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338443A (en) * 1976-09-17 1978-04-08 Fun Things Inc Maze game

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338443A (en) * 1976-09-17 1978-04-08 Fun Things Inc Maze game

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6283926U (en) * 1985-11-14 1987-05-28
JP2008038961A (en) * 2006-08-02 2008-02-21 Yuken Kogyo Co Ltd Fluid pressure circuit, and control method for fluid pressure drive unit using the same
JP2010255596A (en) * 2009-04-28 2010-11-11 Daikin Ind Ltd Hydraulic control system, injection molding machine, and controller
EP3670929A1 (en) * 2018-12-20 2020-06-24 Siemens Gamesa Renewable Energy A/S Hydraulic pump arrangement
CN111350711A (en) * 2018-12-20 2020-06-30 西门子歌美飒可再生能源公司 Hydraulic pump device
CN111350711B (en) * 2018-12-20 2022-09-06 西门子歌美飒可再生能源公司 Hydraulic pump device

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