DE3143232A1 - "hydraulikaggregat" - Google Patents

"hydraulikaggregat"

Info

Publication number
DE3143232A1
DE3143232A1 DE19813143232 DE3143232A DE3143232A1 DE 3143232 A1 DE3143232 A1 DE 3143232A1 DE 19813143232 DE19813143232 DE 19813143232 DE 3143232 A DE3143232 A DE 3143232A DE 3143232 A1 DE3143232 A1 DE 3143232A1
Authority
DE
Germany
Prior art keywords
hydraulic
hydraulic fluid
cooler
hydraulic unit
unit according
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
DE19813143232
Other languages
German (de)
English (en)
Other versions
DE3143232C2 (enrdf_load_stackoverflow
Inventor
Rolf 7300 Esslingen Mayer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19813143232 priority Critical patent/DE3143232A1/de
Publication of DE3143232A1 publication Critical patent/DE3143232A1/de
Application granted granted Critical
Publication of DE3143232C2 publication Critical patent/DE3143232C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • 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
    • 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
    • F15B21/0423—Cooling
    • 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
    • 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
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5157—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/62—Cooling or heating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19813143232 1981-10-31 1981-10-31 "hydraulikaggregat" Granted DE3143232A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813143232 DE3143232A1 (de) 1981-10-31 1981-10-31 "hydraulikaggregat"

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813143232 DE3143232A1 (de) 1981-10-31 1981-10-31 "hydraulikaggregat"

Publications (2)

Publication Number Publication Date
DE3143232A1 true DE3143232A1 (de) 1983-05-11
DE3143232C2 DE3143232C2 (enrdf_load_stackoverflow) 1988-11-17

Family

ID=6145275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813143232 Granted DE3143232A1 (de) 1981-10-31 1981-10-31 "hydraulikaggregat"

Country Status (1)

Country Link
DE (1) DE3143232A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110185679A (zh) * 2019-05-29 2019-08-30 山东临工工程机械有限公司 液压油散热系统、挖掘机及液压油散热控制方法
EP3564449A1 (de) * 2018-04-20 2019-11-06 Wacker Neuson Linz GmbH Arbeitsfahrzeug mit einem hydraulikkreislauf mit bedarfsweise aktivierbarem strömungswiderstand
CN110637180A (zh) * 2017-04-14 2019-12-31 伊顿智能动力有限公司 改善电机泵液压系统中的冷响应时间的电机控制方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1071608B (de) * 1955-11-23 1959-12-17 C Huppcrt &. Co Limited Carlton (Australien) Schlaggerat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1071608B (de) * 1955-11-23 1959-12-17 C Huppcrt &. Co Limited Carlton (Australien) Schlaggerat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110637180A (zh) * 2017-04-14 2019-12-31 伊顿智能动力有限公司 改善电机泵液压系统中的冷响应时间的电机控制方法
CN110637180B (zh) * 2017-04-14 2020-09-29 伊顿智能动力有限公司 改善电机泵液压系统中的冷响应时间的电机控制方法
EP3564449A1 (de) * 2018-04-20 2019-11-06 Wacker Neuson Linz GmbH Arbeitsfahrzeug mit einem hydraulikkreislauf mit bedarfsweise aktivierbarem strömungswiderstand
CN110185679A (zh) * 2019-05-29 2019-08-30 山东临工工程机械有限公司 液压油散热系统、挖掘机及液压油散热控制方法

Also Published As

Publication number Publication date
DE3143232C2 (enrdf_load_stackoverflow) 1988-11-17

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee