CN103085812A - Method for operating a pump - Google Patents

Method for operating a pump Download PDF

Info

Publication number
CN103085812A
CN103085812A CN201210432515XA CN201210432515A CN103085812A CN 103085812 A CN103085812 A CN 103085812A CN 201210432515X A CN201210432515X A CN 201210432515XA CN 201210432515 A CN201210432515 A CN 201210432515A CN 103085812 A CN103085812 A CN 103085812A
Authority
CN
China
Prior art keywords
pump
self
propelled vehicle
pressure
medium
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
CN201210432515XA
Other languages
Chinese (zh)
Inventor
K.里斯-米勒
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN103085812A publication Critical patent/CN103085812A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/46—Vacuum systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/02—Arrangements of pumps or compressors, or control devices therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/002—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by internal combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The invention relates to a method for operating a switchable pump, which is situated in a motor vehicle and configured to provide a setpoint pressure for a medium, wherein the pump being activated in trailing-throttle operation of the motor vehicle.

Description

The method of process pump
Technical field
The present invention relates to a kind of method and a kind of controller of process pump.
Background technology
For example in diesel engine or spark ignition engine, for being provided, enough negative pressure use vacuum pump at the driving engine of the throttling of use spraying leading combustion method or high pressure charging method.Described negative pressure typically is used for brake booster or is used for controlling other unit for example being used for the bypass disc waste gate of turbocharger in other words.Described vacuum pump drives continuously by camshaft usually.Because in order to drive the extra fuel of vacuum pump consumption, so but use more and more the vacuum pump of switch.This vacuum pump only negative pressure in brake booster is for example connected owing to having operated drg and reduce.By this control of controlling by demand, reduced the loss that is caused by vacuum pump.
Summary of the invention
Method and the controller of the described feature of independent claims have been proposed to have under this background.Other design plan of the present invention is by dependent claims and the explanation acquisition that is right.
But can realize the control of the pump of switch in self-propelled vehicle in design plan with the present invention, but for example control of the vacuum pump of switch, but wherein especially slide in service when driving engine disconnects the automatic activation switch pump and start thus and/or connect this pump.When under load moving self-propelled vehicle, can stop the activation of pump when the driving engine of starter motor-car.
If self-propelled vehicle moves in load running, so its wheel when power-transfer clutch is closed by the engine drive of operation.At this, by the engine combustion fuel that is configured to combustion engine.Slide that proposition in service disconnects driving engine and when power-transfer clutch is closed wheel by operation and/or the self-propelled vehicle by motion drive and advance thus and/or traction engine.Sliding in servicely, the driving engine that is configured to combustion engine is combustion fuel not.
In addition, but can reduce the loss of the pump of switch with the present invention.But the pump of switch normally vacuum pump is for example controlled and is controlled thus and/or regulate by the controller of engine management.At this, can be according to the running state of self-propelled vehicle by the described pump of controller switches, in case wherein this pump is in when sliding operation and/or self-propelled vehicle is transitioned into to slide and is automatically connected by controller when in service at self-propelled vehicle.Common described pump is disconnected once again by controller or also disconnects even among self-propelled vehicle is in load running the time.
Can be by controller other assembly by the monitoring equipment motor-car for example the function of driving engine, power-transfer clutch and/or wheel come the test machine motor-car whether to be in to slide in operation or load running.In addition, can be also to be transitioned into from load running to slide among operation or from sliding run transition among load running with controller test machine motor-car, and change thus its running state.
If described controller identifies self-propelled vehicle and is in and slides among operation in engine management, automatic activation is for example connected the pump that for example is configured to vacuum pump so.Can be provided for the power of driving pump at the braking energy that utilizes self-propelled vehicle and/or inertial time.Thus, do not form extra consumption of fuel in order to drive described pump, because the driving engine of self-propelled vehicle is sliding disconnection in service and common brake motor-car.
Can provide pressure in the pressure accumulator of medium with described pump thus, usually set up or reduce pressure, until the pressure of medium reaches the rated pressure that provides in advance.For example can use oil or other fluid as medium.If described pump is configured to vacuum pump, pressure accumulator in servicely loads as rated pressure with negative pressure sliding so.
In addition, described pressure accumulator can with the brake booster combined action.When implementing described method, the medium that is used for the operation brake booster can have for example negative pressure of the rated pressure that provides in advance.Brake equipment that thus can the multi-pass operation self-propelled vehicle.Usually formed before the operation brake equipment and slide operation, thereby enough rated pressures that provides in service, normally enough negative pressure are being provided.Can avoid thus described vacuum pump to utilize the drive torque of driving engine when fire an engine, that is to say that described vacuum pump can disconnect when engine starting.
If the gross differences of pressure and rated pressure occurred in brake booster in load running, so also can connect vacuum pump in load running when engine starting, yet this can cause the extra consumption of fuel.
Described pump also can and/or slide deexcitation once again in service after the adjustable time after the time gap process of adjusting, if determine the pressure accumulator full load of brake booster after this time.Usually can have at medium has rated pressure to be achieved for example to disconnect described pump during negative pressure.
At least one extra pressure accumulator can addedly be set, and this pressure accumulator is equally in the situation that slide and in servicely providing rated pressure to load by pump.Can supply with for example other negative pressure load of other load with described at least one extra pressure accumulator.
Be used for to implement the institute of the method introduced by controller of the present invention in steps.In addition, the function of controller can be changed as the step of method.The function of method step as controller can be realized in addition.
Description of drawings
Other advantage of the present invention and design plan obtain from specification sheets and accompanying drawing.
Certainly, foregoing and feature that the back also will be explained not only can with each explanation be combined into enforcement use, and can be with other combination or use separately, and do not leave framework of the present invention.
Fig. 1 has illustrated a kind of device with schematic diagram, and this device has a kind of embodiment by controller of the present invention.
The specific embodiment
The system 1 that schematically shows in Fig. 1 is arranged in the self-propelled vehicle that does not further illustrate.But this system 1 comprises by a kind of embodiment of controller 3 of the present invention and at this and is configured to the pump 5 of the switch of vacuum pump.In addition, described system 1 comprises the driving engine that is configured to combustion engine 7 of self-propelled vehicle and attaches troops to a unit in the camshaft 9 of driving engine 7.If connect described pump 5, by camshaft 9, pump 5 and driving engine 7 are coupled and are driven by driving engine 7 by camshaft 9 thus so.
In addition, but the pump 5 of described switch be connected with the pressure accumulator 11 that is used for medium.Advise described pump 5 and pressure accumulator 11 combineds action.If prime pump 5 and being driven by driving engine 7 thus can be set up rated pressure for the medium in pressure accumulator 11 by the pump 5 that is among operation so.
If picture is configured to vacuum pump with described pump 5 in this case, produce negative pressure so in pressure accumulator 11.This pressure accumulator 11 in described embodiment with unit 13 combineds action of self-propelled vehicle, this unit 13 can move when the medium in pressure accumulator 11 has rated pressure at least usually.
Can propose in a kind of design plan of the present invention, described unit 13 can be configured for the assembly of the brake equipment of self-propelled vehicle, for example the brake booster of brake equipment.Usually propose in this case, can move the unit 13 that is configured to brake booster when having negative pressure as rated pressure in pressure accumulator 11.
But described controller 3 is configured to control the operation of the pump 5 of switch, and this pump is arranged in self-propelled vehicle and is configured to provides rated pressure for medium.Suggestion controller 3 is in to slide to activate when moving at self-propelled vehicle for example connects described pump 5.
At this, slide when operation and/or slide when moving when self-propelled vehicle is transitioned into when self-propelled vehicle is in, automatic activation and connect thus described pump 5.Thus, adjust rated pressure for medium with pump 5 in pressure accumulator 11.If pump 5 is configured to vacuum pump, be that medium produces negative pressure as rated pressure with this pump so, this pressure is used for operation as the brake booster of the unit 13 of self-propelled vehicle.
Yet can be when there is no enough rated pressures do not drive described pumps 5 by the driving engine 7 of self-propelled vehicle under the state of connecting whenever necessary yet.Usually sliding the pump 5 that deexcitation in service activated and disconnecting thus this pump when the pressure of medium reaches rated pressure.

Claims (8)

1. but be used for the method for the pump (5) of operation switch, this pump is arranged in self-propelled vehicle and is configured to as medium provides rated pressure, wherein at the described pump of sliding of self-propelled vehicle activation in service (5).
2. by method claimed in claim 1, wherein when being transitioned into, self-propelled vehicle slides the described pump of automatic activation (5) when in service.
3. by the described method of claim 1 or 2, wherein use pump (5) to adjust described rated pressure for medium in pressure accumulator (11).
4. by the described method of any one in the claims, the method is implemented be used to the pump that is configured to vacuum pump (5), is wherein that medium produces negative pressure as rated pressure with vacuum pump.
5. by the described method of any one in the claims, the rated pressure that wherein produces by pump (5) is used for the operation brake booster.
6. by the described method of any one in the claims, wherein said pump (5) is driven by the driving engine (7) of self-propelled vehicle under the state of connecting.
7. by the described method of any one in the claims, wherein described pump (5) is sliding disconnection in service when the pressure of medium reaches rated pressure.
8. but be used for to control the controller of operation of the pump (5) of switch, this pump is arranged in self-propelled vehicle and is configured to as medium provides rated pressure, and wherein said controller (3) is at the described pump of sliding of self-propelled vehicle activation in service (5).
CN201210432515XA 2011-11-04 2012-11-02 Method for operating a pump Pending CN103085812A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011085759A DE102011085759A1 (en) 2011-11-04 2011-11-04 Method of operating a pump
DE102011085759.1 2011-11-04

Publications (1)

Publication Number Publication Date
CN103085812A true CN103085812A (en) 2013-05-08

Family

ID=48128803

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210432515XA Pending CN103085812A (en) 2011-11-04 2012-11-02 Method for operating a pump

Country Status (3)

Country Link
US (1) US20130129475A1 (en)
CN (1) CN103085812A (en)
DE (1) DE102011085759A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8955500B2 (en) * 2013-03-01 2015-02-17 GM Global Technology Operations LLC Positive crankcase ventilation system
JP6206455B2 (en) 2015-07-08 2017-10-04 トヨタ自動車株式会社 Vehicle control device
DE102016212104B4 (en) * 2016-07-04 2018-10-31 Magna Powertrain Bad Homburg GmbH Method for controlling a vacuum pump

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080133097A1 (en) * 2004-04-22 2008-06-05 Florian Schneider Method For Controlling An Automotive Hydraulic Pump
CN101722947A (en) * 2008-10-31 2010-06-09 福特环球技术公司 Reduced energy vacuum pump control
US20110129367A1 (en) * 2009-12-02 2011-06-02 Hyundai Motor Company Motorized vacuum pump
US20110176931A1 (en) * 2010-11-02 2011-07-21 Ford Global Technologies, Llc Efficient vacuum for a vehicle
CN102815304A (en) * 2011-06-10 2012-12-12 通用汽车环球科技运作有限责任公司 Hybrid powertrain with operator selectable electric propulsion mode
US20120323433A1 (en) * 2011-06-16 2012-12-20 Ford Global Technologies, Llc Method and system for diagnosing a vacuum system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10038989A1 (en) * 2000-08-10 2002-02-21 Bosch Gmbh Robert Method, computer program and control device for operating a vacuum reservoir provided in an internal combustion engine
US8187149B2 (en) * 2009-07-16 2012-05-29 GM Global Technology Operations LLC Coasting control systems and methods for automatic transmission
DE102009046340A1 (en) * 2009-11-03 2011-05-05 Zf Friedrichshafen Ag Method for controlling a rolling or sailing function of a vehicle
CN102371991B (en) * 2010-08-24 2016-06-15 福特环球技术公司 The method of control negative pressure device and equipment
KR101251769B1 (en) * 2010-12-01 2013-04-05 현대자동차주식회사 Apparatus and method for supplementing brake vaccum pressure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080133097A1 (en) * 2004-04-22 2008-06-05 Florian Schneider Method For Controlling An Automotive Hydraulic Pump
CN101722947A (en) * 2008-10-31 2010-06-09 福特环球技术公司 Reduced energy vacuum pump control
US20110129367A1 (en) * 2009-12-02 2011-06-02 Hyundai Motor Company Motorized vacuum pump
US20110176931A1 (en) * 2010-11-02 2011-07-21 Ford Global Technologies, Llc Efficient vacuum for a vehicle
CN102815304A (en) * 2011-06-10 2012-12-12 通用汽车环球科技运作有限责任公司 Hybrid powertrain with operator selectable electric propulsion mode
US20120323433A1 (en) * 2011-06-16 2012-12-20 Ford Global Technologies, Llc Method and system for diagnosing a vacuum system

Also Published As

Publication number Publication date
US20130129475A1 (en) 2013-05-23
DE102011085759A1 (en) 2013-05-08

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Application publication date: 20130508