JP2019209845A - 産業車両のブレーキシステム - Google Patents
産業車両のブレーキシステム Download PDFInfo
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- JP2019209845A JP2019209845A JP2018107777A JP2018107777A JP2019209845A JP 2019209845 A JP2019209845 A JP 2019209845A JP 2018107777 A JP2018107777 A JP 2018107777A JP 2018107777 A JP2018107777 A JP 2018107777A JP 2019209845 A JP2019209845 A JP 2019209845A
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- Prior art keywords
- oil
- engine
- hydraulic oil
- hydraulic
- accumulator
- 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
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 97
- 239000003921 oil Substances 0.000 claims abstract description 88
- 238000001514 detection method Methods 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
-
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18109—Braking
-
- 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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
-
- 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
- B60T13/12—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 liquid
- B60T13/14—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 liquid using accumulators or reservoirs fed by pumps
-
- 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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/025—Electrically controlled valves
- B60T15/028—Electrically controlled valves in hydraulic systems
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
- B60W10/184—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes
- B60W10/188—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes hydraulic brakes
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
- B60W2510/0642—Idle condition
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/18—Braking system
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/18—Braking system
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
Description
Claims (4)
- エンジンを具備した産業車両のブレーキシステムにおいて、
ブレーキ操作部と、
作動油により駆動されるブレーキユニットと、
前記エンジンにより駆動され、作動油を吐出する油圧ポンプと、
前記油圧ポンプから吐出される作動油を蓄圧するアキュムレータと、
前記ブレーキ操作部の操作に応じて前記アキュムレータから前記ブレーキユニットに供給される作動油を制御するブレーキバルブと、
前記油圧ポンプから吐出される作動油を冷却する作動油クーラと、
前記作動油クーラにより冷却された作動油を前記ブレーキユニットに供給することにより、前記ブレーキユニットを冷却する冷却用流路と、
前記油圧ポンプから前記アキュムレータへの作動油の供給を許容すると共に前記油圧ポンプから前記作動油クーラへの作動油の供給を許容しない第1油路と、前記油圧ポンプから前記作動油クーラへの作動油の供給を許容する第2油路とを切り換える切換バルブと、
前記切換バルブを前記第2油路から前記第1油路に切り換えるタイミングを検知する第1検知部と、
前記エンジンのアイドル回転を検知する第2検知部と、
前記第1検知部により前記切換バルブを前記第2油路から前記第1油路に切り換えるタイミングが検知されると共に、前記第2検知部により前記エンジンのアイドル回転が検知されたときに、前記エンジンの回転数を上昇させるように前記エンジンを制御する制御部とを備える産業車両のブレーキシステム。 - 前記第1検知部は、前記アキュムレータの圧力を検出するセンサであり、
前記制御部は、前記アキュムレータの圧力が設定圧以下であるかどうかを判断することにより、前記切換バルブを前記第2油路から前記第1油路に切り換えるタイミングが検知されたかどうかを判断する請求項1記載の産業車両のブレーキシステム。 - 前記切換バルブは、前記アキュムレータの圧力に応じて開位置と閉位置との間で位置が切り換わるスプールを有し、
前記第1検知部は、前記スプールの位置を検出するセンサであり、
前記制御部は、前記スプールの位置が前記開位置から前記閉位置に切り換えられたかどうかを判断することにより、前記切換バルブを前記第2油路から前記第1油路に切り換えるタイミングが検知されたかどうかを判断する請求項1記載の産業車両のブレーキシステム。 - 前記制御部は、前記第1検知部により前記切換バルブを前記第2油路から前記第1油路に切り換えるタイミングが検知されると共に、前記第2検知部により前記エンジンのアイドル回転が検知されたときに、前記エンジンの回転数を一時的に上昇させるように前記エンジンを制御する請求項1〜3の何れか一項記載の産業車両のブレーキシステム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018107777A JP6939710B2 (ja) | 2018-06-05 | 2018-06-05 | 産業車両のブレーキシステム |
US16/428,171 US10829118B2 (en) | 2018-06-05 | 2019-05-31 | Braking system of industrial vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018107777A JP6939710B2 (ja) | 2018-06-05 | 2018-06-05 | 産業車両のブレーキシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019209845A true JP2019209845A (ja) | 2019-12-12 |
JP6939710B2 JP6939710B2 (ja) | 2021-09-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018107777A Active JP6939710B2 (ja) | 2018-06-05 | 2018-06-05 | 産業車両のブレーキシステム |
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US (1) | US10829118B2 (ja) |
JP (1) | JP6939710B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7188349B2 (ja) * | 2019-10-04 | 2022-12-13 | 株式会社豊田自動織機 | 産業車両の油圧システム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6333692Y2 (ja) | 1980-10-06 | 1988-09-07 | ||
US5913950A (en) * | 1996-01-08 | 1999-06-22 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Transmission for a working vehicle |
JP6380407B2 (ja) * | 2013-11-28 | 2018-08-29 | 株式会社アドヴィックス | 車両用制動装置 |
JP6943223B2 (ja) * | 2018-06-07 | 2021-09-29 | 株式会社豊田自動織機 | 産業車両のブレーキシステム |
-
2018
- 2018-06-05 JP JP2018107777A patent/JP6939710B2/ja active Active
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2019
- 2019-05-31 US US16/428,171 patent/US10829118B2/en active Active
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Publication number | Publication date |
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US10829118B2 (en) | 2020-11-10 |
JP6939710B2 (ja) | 2021-09-22 |
US20190367033A1 (en) | 2019-12-05 |
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