DE112017003620A5 - A method for maintaining a pressure level of a hydraulic fluid in a hydraulic actuator assembly - Google Patents

A method for maintaining a pressure level of a hydraulic fluid in a hydraulic actuator assembly Download PDF

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Publication number
DE112017003620A5
DE112017003620A5 DE112017003620.8T DE112017003620T DE112017003620A5 DE 112017003620 A5 DE112017003620 A5 DE 112017003620A5 DE 112017003620 T DE112017003620 T DE 112017003620T DE 112017003620 A5 DE112017003620 A5 DE 112017003620A5
Authority
DE
Germany
Prior art keywords
maintaining
pressure level
actuator assembly
hydraulic
hydraulic fluid
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
DE112017003620.8T
Other languages
German (de)
Other versions
DE112017003620B4 (en
Inventor
Andre Schauer
Yunfan Wei
Dominik Herkommer
Markus Baehr
Marco Grethel
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of DE112017003620A5 publication Critical patent/DE112017003620A5/en
Application granted granted Critical
Publication of DE112017003620B4 publication Critical patent/DE112017003620B4/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
    • F16D2048/0233—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by rotary pump actuation
    • F16D2048/0245—Electrically driven rotary pumps
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3024—Pressure
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/501—Relating the actuator
    • F16D2500/5014—Filling the actuator cylinder with fluid
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/702—Look-up tables
    • F16D2500/70205—Clutch actuator
    • F16D2500/70217—Pressure
DE112017003620.8T 2016-07-21 2017-06-29 Method for maintaining a pressure level of a hydraulic fluid in a hydraulic actuator arrangement Active DE112017003620B4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016213318.7A DE102016213318A1 (en) 2016-07-21 2016-07-21 A method for maintaining a pressure level of a hydraulic fluid in a hydraulic actuator assembly
DE102016213318.7 2016-07-21
PCT/DE2017/100544 WO2018014905A1 (en) 2016-07-21 2017-06-29 Method for maintaining a pressure level of a hydraulic fluid in a hydraulic actuator assembly

Publications (2)

Publication Number Publication Date
DE112017003620A5 true DE112017003620A5 (en) 2019-04-25
DE112017003620B4 DE112017003620B4 (en) 2023-11-02

Family

ID=59399193

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102016213318.7A Withdrawn DE102016213318A1 (en) 2016-07-21 2016-07-21 A method for maintaining a pressure level of a hydraulic fluid in a hydraulic actuator assembly
DE112017003620.8T Active DE112017003620B4 (en) 2016-07-21 2017-06-29 Method for maintaining a pressure level of a hydraulic fluid in a hydraulic actuator arrangement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102016213318.7A Withdrawn DE102016213318A1 (en) 2016-07-21 2016-07-21 A method for maintaining a pressure level of a hydraulic fluid in a hydraulic actuator assembly

Country Status (3)

Country Link
CN (1) CN109416089B (en)
DE (2) DE102016213318A1 (en)
WO (1) WO2018014905A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018120953A1 (en) 2018-08-28 2020-03-05 Schaeffler Technologies AG & Co. KG Hydraulic system and drive unit
DE102018128647A1 (en) 2018-11-15 2020-05-20 Schaeffler Technologies AG & Co. KG Method for adaptively regulating a clutch and clutch in a vehicle
DE102018130700B4 (en) 2018-12-03 2020-07-02 Schaeffler Technologies AG & Co. KG Method for establishing a hydraulic readiness of a hydraulic system and hydraulic system
DE102018131108A1 (en) 2018-12-06 2020-06-10 Schaeffler Technologies AG & Co. KG Method for maintaining a hydraulic fluid pressure level in a hydraulic device
DE102018131117A1 (en) 2018-12-06 2020-06-10 Schaeffler Technologies AG & Co. KG Process for removing air from a hydraulic system and hydraulic system
DE102022103384A1 (en) 2022-02-14 2023-08-17 Schaeffler Technologies AG & Co. KG Method for pre-filling a hydraulic system of a hydraulic actuator of a motor vehicle
DE102022105029A1 (en) 2022-03-03 2023-09-07 Schaeffler Technologies AG & Co. KG Method of controlling a hydraulically actuated disconnect clutch
DE102022109833A1 (en) 2022-04-25 2023-10-26 Schaeffler Technologies AG & Co. KG Method for controlling a hydraulic system
DE102022113487A1 (en) 2022-05-30 2023-12-14 Schaeffler Technologies AG & Co. KG Method for detecting a safe state of a valve in a hydraulic system
DE102022206209A1 (en) 2022-06-21 2023-12-21 Zf Friedrichshafen Ag Method for operating a frictional switching element of a transmission and control device
DE102022206482A1 (en) 2022-06-28 2023-12-28 Zf Friedrichshafen Ag Method for adapting a pressure characteristic curve of a frictional switching element of a transmission and control device
DE102022123558A1 (en) 2022-09-15 2024-03-21 Schaeffler Technologies AG & Co. KG Method for operating a parking lock of a motor vehicle
DE102022125281A1 (en) 2022-09-30 2024-04-04 Schaeffler Technologies AG & Co. KG Method for commissioning a pump with pump motor arranged in a hydraulic system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430859A (en) * 1981-04-06 1984-02-14 J. I. Case Company Hydraulic accumulator charging circuit
DE102004003931B4 (en) * 2004-01-26 2015-06-18 Volkswagen Ag Hydraulic circuit or method for controlling a pressure and / or a volume flow of a hydraulic medium in a hydraulic circuit, in particular for a dual-clutch transmission of a motor vehicle
US7402124B2 (en) * 2006-03-22 2008-07-22 Gm Global Technology Operations, Inc. Control method and apparatus for a transmission clutch system
DE102010053975A1 (en) * 2010-12-09 2012-06-14 Liebherr-Hydraulikbagger Gmbh valve unit
DE102012220179B4 (en) * 2011-11-24 2024-05-02 Schaeffler Technologies AG & Co. KG Procedure for checking correct filling of a hydraulic clutch system
DE102012021211B4 (en) 2012-10-24 2016-04-07 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg A method for determining an adjustment parameter in a hydraulic actuator assembly for a motor vehicle drive train and method for actuating a friction clutch of a motor vehicle drive train
DE112014002172B4 (en) * 2013-04-25 2022-11-03 Schaeffler Technologies AG & Co. KG Method for controlling mechanical power transmitted by a friction clutch device
KR102345868B1 (en) 2014-04-01 2022-01-03 섀플러 테크놀로지스 아게 운트 코. 카게 Gearbox control system
WO2015154767A2 (en) 2014-04-11 2015-10-15 Schaeffler Technologies AG & Co. KG Fully integrated hydraulic clutch
DE102015204383A1 (en) 2015-03-11 2016-09-15 Schaeffler Technologies AG & Co. KG Method for setting and adapting an operating point of a hydraulic actuator arrangement
DE102016201049A1 (en) 2016-01-26 2017-07-27 Schaeffler Technologies AG & Co. KG Method for the exact setting of an operating point of a hydraulic actuator arrangement

Also Published As

Publication number Publication date
DE112017003620B4 (en) 2023-11-02
WO2018014905A1 (en) 2018-01-25
CN109416089B (en) 2020-10-27
CN109416089A (en) 2019-03-01
DE102016213318A1 (en) 2018-01-25

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R016 Response to examination communication
R018 Grant decision by examination section/examining division