BR112014015970A2 - sistema para controlar uma transmissão e máquina - Google Patents

sistema para controlar uma transmissão e máquina

Info

Publication number
BR112014015970A2
BR112014015970A2 BR112014015970A BR112014015970A BR112014015970A2 BR 112014015970 A2 BR112014015970 A2 BR 112014015970A2 BR 112014015970 A BR112014015970 A BR 112014015970A BR 112014015970 A BR112014015970 A BR 112014015970A BR 112014015970 A2 BR112014015970 A2 BR 112014015970A2
Authority
BR
Brazil
Prior art keywords
fluid
transmission
pressure threshold
machine
variable pressure
Prior art date
Application number
BR112014015970A
Other languages
English (en)
Other versions
BR112014015970A8 (pt
Inventor
J Will Bradley
T Anderson Randall
Original Assignee
Caterpillar 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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of BR112014015970A2 publication Critical patent/BR112014015970A2/pt
Publication of BR112014015970A8 publication Critical patent/BR112014015970A8/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/421—Motor capacity control by electro-hydraulic control means, e.g. using solenoid valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4008—Control of circuit pressure
    • F16H61/4017—Control of high pressure, e.g. avoiding excess pressure by a relief valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/472—Automatic regulation in accordance with output requirements for achieving a target output torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/10—Accelerator pedal position

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)

Abstract

resumo “sistema para controlar uma transmissão e máquina” um sistema (64) para controlar uma transmissão (38) incluindo uma bomba de fluido (42) e um motor de fluido (44) acoplados operavelmente entre si em um circuito de fluido (62) é divulgado. o sistema inclui um controlador (66) configurado para receber sinais indicativos de entradas do operador, e determinar um limite de pressão variável no circuito de fluido baseado nos sinais indicativos de entradas do operador. o controlador é adicionalmente configurado para controlar o deslocamento de pelo menos um de a bomba de fluido e o motor de fluido baseado no limite de pressão variável, tal que um nível de pressão no circuito de fluido seja mantido abaixo do limite de pressão variável. 1/1
BR112014015970A 2011-12-28 2012-12-05 sistema para controlar uma transmissão e máquina BR112014015970A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/338,730 US8540048B2 (en) 2011-12-28 2011-12-28 System and method for controlling transmission based on variable pressure limit
PCT/US2012/067863 WO2013101410A1 (en) 2011-12-28 2012-12-05 System and method for controlling transmission based on variable pressure limit

Publications (2)

Publication Number Publication Date
BR112014015970A2 true BR112014015970A2 (pt) 2017-06-13
BR112014015970A8 BR112014015970A8 (pt) 2017-07-04

Family

ID=48693961

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014015970A BR112014015970A8 (pt) 2011-12-28 2012-12-05 sistema para controlar uma transmissão e máquina

Country Status (5)

Country Link
US (1) US8540048B2 (pt)
CN (1) CN104204629B (pt)
BR (1) BR112014015970A8 (pt)
DE (1) DE112012005549T5 (pt)
WO (1) WO2013101410A1 (pt)

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DE102018007041A1 (de) * 2018-09-06 2020-03-12 Bomag Gmbh Hydrauliksystem mit Hydraulikmotor, Verfahren zum Betrieb und Arbeitsmaschine mit derartigem Hydrauliksystem
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CN113286939B (zh) * 2019-01-08 2023-08-15 康明斯有限公司 智能发动机和泵控制
CN112943751B (zh) * 2021-02-02 2023-08-15 上海三一重机股份有限公司 辅助作业控制方法、装置、电子设备和存储介质
CN113503289A (zh) * 2021-07-29 2021-10-15 杭州力龙液压有限公司 一种液压马达故障检测方法、装置、***及挖掘机

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Also Published As

Publication number Publication date
US20130168179A1 (en) 2013-07-04
CN104204629A (zh) 2014-12-10
WO2013101410A1 (en) 2013-07-04
BR112014015970A8 (pt) 2017-07-04
US8540048B2 (en) 2013-09-24
CN104204629B (zh) 2017-03-22
DE112012005549T5 (de) 2014-09-11

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]