DE2346162C2 - Steuereinrichtung - Google Patents

Steuereinrichtung

Info

Publication number
DE2346162C2
DE2346162C2 DE2346162A DE2346162A DE2346162C2 DE 2346162 C2 DE2346162 C2 DE 2346162C2 DE 2346162 A DE2346162 A DE 2346162A DE 2346162 A DE2346162 A DE 2346162A DE 2346162 C2 DE2346162 C2 DE 2346162C2
Authority
DE
Germany
Prior art keywords
transistor
switch
electromagnet
circuit
control
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
DE2346162A
Other languages
German (de)
English (en)
Other versions
DE2346162A1 (de
Inventor
Joe E. Peoria Ill. Fuzzell
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co 61629 Peoria Ill
Caterpillar Tractor Co
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 Caterpillar Tractor Co 61629 Peoria Ill, Caterpillar Tractor Co filed Critical Caterpillar Tractor Co 61629 Peoria Ill
Publication of DE2346162A1 publication Critical patent/DE2346162A1/de
Application granted granted Critical
Publication of DE2346162C2 publication Critical patent/DE2346162C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/64—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors having inductive loads
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • 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
    • F15B21/08—Servomotor systems incorporating electrically operated control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Position Or Direction (AREA)
DE2346162A 1972-09-11 1973-09-11 Steuereinrichtung Expired DE2346162C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28760472A 1972-09-11 1972-09-11

Publications (2)

Publication Number Publication Date
DE2346162A1 DE2346162A1 (de) 1974-03-21
DE2346162C2 true DE2346162C2 (de) 1983-12-01

Family

ID=23103614

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2346162A Expired DE2346162C2 (de) 1972-09-11 1973-09-11 Steuereinrichtung

Country Status (7)

Country Link
US (1) US3782248A (US07754267-20100713-C00021.png)
JP (1) JPS5610647B2 (US07754267-20100713-C00021.png)
BE (1) BE804588A (US07754267-20100713-C00021.png)
CA (1) CA999952A (US07754267-20100713-C00021.png)
DE (1) DE2346162C2 (US07754267-20100713-C00021.png)
FR (1) FR2199144B1 (US07754267-20100713-C00021.png)
GB (1) GB1450165A (US07754267-20100713-C00021.png)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062269A (en) * 1975-04-21 1977-12-13 Clark Equipment Company Hydraulic cylinder extension control
JPS5736701Y2 (US07754267-20100713-C00021.png) * 1975-12-04 1982-08-13
US4011959A (en) * 1976-02-13 1977-03-15 Caterpillar Tractor Co. Bucket-positioner circuit with "no detent" operation
JPS5923810Y2 (ja) * 1976-06-10 1984-07-14 株式会社小松製作所 操作レバの自動復帰装置
US4333251A (en) * 1981-01-23 1982-06-08 International Harvester Co. Automatic bucket leveler
JPS5950474A (ja) * 1982-09-17 1984-03-23 Konishiroku Photo Ind Co Ltd 記録装置
JPS59129885A (ja) * 1983-01-17 1984-07-26 Konishiroku Photo Ind Co Ltd 記録装置
WO1993006313A1 (en) * 1991-09-26 1993-04-01 Caterpillar Inc. Electronic implement control
KR101601978B1 (ko) * 2009-12-03 2016-03-09 두산인프라코어 주식회사 휠로더 버켓의 풀 크라우드 디텐트 장치
KR101601980B1 (ko) * 2009-12-24 2016-03-09 두산인프라코어 주식회사 전자식 능동 디텐트 장치 및 그 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2331108A (en) * 1940-07-10 1943-10-05 Reconstruction Finance Corp Hydraulic mechanism
US3420393A (en) * 1967-04-19 1969-01-07 Case Co J I Fluid motor position control
US3524562A (en) * 1968-09-19 1970-08-18 Caterpillar Tractor Co Hydraulic controls for bucket loaders
DE1962069C2 (de) * 1969-12-11 1982-09-16 Robert Bosch Gmbh, 7000 Stuttgart Mehrwegeventil mit einem elektromagnetisch in seinen Arbeitsstellungen gehaltenen Längsschieber
DE2045778A1 (de) * 1970-09-16 1972-03-23 Caterpillar Tractor Co., Peoria, 111. (V.St.A.) Magnetsteuerung, beispielsweise für die Schaufelsteuerung eines Schaufelladers
US3659734A (en) * 1971-06-09 1972-05-02 Caterpillar Tractor Co Bucket positioning device utilizing a biased proximity switch

Also Published As

Publication number Publication date
BE804588A (fr) 1974-03-07
GB1450165A (en) 1976-09-22
FR2199144A1 (US07754267-20100713-C00021.png) 1974-04-05
JPS5610647B2 (US07754267-20100713-C00021.png) 1981-03-10
JPS4965003A (US07754267-20100713-C00021.png) 1974-06-24
US3782248A (en) 1974-01-01
FR2199144B1 (US07754267-20100713-C00021.png) 1976-09-24
CA999952A (en) 1976-11-16
DE2346162A1 (de) 1974-03-21

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CATERPILLAR INC., PEORIA, ILL., US

8328 Change in the person/name/address of the agent

Free format text: WAGNER, K., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee