DE112019000942A5 - Fluid system with a pressure accumulator for pressing on sets of disks in a continuously variable belt transmission; as well as infinitely variable belt transmission - Google Patents

Fluid system with a pressure accumulator for pressing on sets of disks in a continuously variable belt transmission; as well as infinitely variable belt transmission Download PDF

Info

Publication number
DE112019000942A5
DE112019000942A5 DE112019000942.7T DE112019000942T DE112019000942A5 DE 112019000942 A5 DE112019000942 A5 DE 112019000942A5 DE 112019000942 T DE112019000942 T DE 112019000942T DE 112019000942 A5 DE112019000942 A5 DE 112019000942A5
Authority
DE
Germany
Prior art keywords
belt transmission
variable belt
disks
pressing
sets
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.)
Withdrawn
Application number
DE112019000942.7T
Other languages
German (de)
Inventor
Reinhard Stehr
Sebastian Köpfler
Markus Ciesek
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 DE112019000942A5 publication Critical patent/DE112019000942A5/en
Withdrawn legal-status Critical Current

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
    • F16H61/0021—Generation or control of line pressure
    • F16H61/0025—Supply of control fluid; Pumps therefore
    • F16H61/0031—Supply of control fluid; Pumps therefore using auxiliary pumps, e.g. pump driven by a different power source than the engine
    • 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
    • F16H61/66—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 specially adapted for continuously variable gearings
    • F16H61/662—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 specially adapted for continuously variable gearings with endless flexible members
    • 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
    • F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
    • F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
    • 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
    • F16H61/0021—Generation or control of line pressure
    • F16H2061/0034—Accumulators for fluid pressure supply; Control thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Transmissions By Endless Flexible Members (AREA)
DE112019000942.7T 2018-02-23 2019-02-04 Fluid system with a pressure accumulator for pressing on sets of disks in a continuously variable belt transmission; as well as infinitely variable belt transmission Withdrawn DE112019000942A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102018104093.8 2018-02-23
DE102018104093.8A DE102018104093A1 (en) 2018-02-23 2018-02-23 Fluid system with a pressure accumulator for pressing disc sets in a continuously variable belt drive; as well as steplessly adjustable belt drive
PCT/DE2019/100111 WO2019161835A1 (en) 2018-02-23 2019-02-04 Fluid system having a pressure accumulator for the contact pressing of pulley sets in a continuously adjustable traction mechanism transmission; and continuously adjustable traction mechanism transmission

Publications (1)

Publication Number Publication Date
DE112019000942A5 true DE112019000942A5 (en) 2020-11-19

Family

ID=65440746

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102018104093.8A Withdrawn DE102018104093A1 (en) 2018-02-23 2018-02-23 Fluid system with a pressure accumulator for pressing disc sets in a continuously variable belt drive; as well as steplessly adjustable belt drive
DE112019000942.7T Withdrawn DE112019000942A5 (en) 2018-02-23 2019-02-04 Fluid system with a pressure accumulator for pressing on sets of disks in a continuously variable belt transmission; as well as infinitely variable belt transmission

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102018104093.8A Withdrawn DE102018104093A1 (en) 2018-02-23 2018-02-23 Fluid system with a pressure accumulator for pressing disc sets in a continuously variable belt drive; as well as steplessly adjustable belt drive

Country Status (4)

Country Link
JP (1) JP6896168B2 (en)
CN (1) CN111527331B (en)
DE (2) DE102018104093A1 (en)
WO (1) WO2019161835A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018117737A1 (en) 2018-07-23 2020-01-23 Schaeffler Technologies AG & Co. KG Fluid system for continuously variable transmission
DE102019128534A1 (en) * 2019-10-22 2021-04-22 Schaeffler Technologies AG & Co. KG Fluid system and method for actuating a transmission system
WO2021213580A1 (en) 2020-04-21 2021-10-28 Schaeffler Technologies AG & Co. KG Method and fluid system for the actuation of a transmission component and a disconnecting device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1009954C1 (en) * 1998-08-27 2000-02-29 Gear Chain Ind Bv Control system for a continuously variable transmission with two cone-disk pairs of conical pulley adjustable by means of an endless transmission medium.
JP3498900B2 (en) 1998-12-25 2004-02-23 日産自動車株式会社 Control device for belt-type continuously variable transmission
JP4546612B2 (en) * 2000-05-24 2010-09-15 富士重工業株式会社 Shift control device for continuously variable transmission
DE10143833B4 (en) * 2001-09-07 2013-06-06 Zf Friedrichshafen Ag Coupling system in a drive train between a drive unit and a transmission
CN101788052B (en) * 2009-12-30 2013-05-08 重庆理工大学 Motor driven CVT (continuously variable transmission) electro-hydraulic control system
CN102494128B (en) * 2011-12-13 2015-08-26 重庆市科学技术研究院 Pump control CVT electrohydraulic control system
NL1039930C2 (en) * 2012-12-06 2014-06-10 Bosch Gmbh Robert Hydraulically actuated continously variable transmission for a vehicular drive line provided with an internal combustion engine.
CN105705837B (en) * 2013-11-08 2019-04-16 舍弗勒技术股份两合公司 Fluid assembly
DE102013114040A1 (en) * 2013-12-13 2015-06-18 Linde Hydraulics Gmbh & Co. Kg Hydrostatic drive with energy storage
NL1041280B1 (en) * 2015-04-21 2017-01-26 Gear Chain Ind Bv A control system for a continuously variable transmission.
CN107949728B (en) * 2015-08-24 2020-01-14 日本电产东测有限公司 Vehicle-mounted hydraulic supply device
JP2017227271A (en) * 2016-06-22 2017-12-28 本田技研工業株式会社 Oil pressure supply device and pressure regulating valve

Also Published As

Publication number Publication date
WO2019161835A1 (en) 2019-08-29
JP2020535366A (en) 2020-12-03
CN111527331A (en) 2020-08-11
JP6896168B2 (en) 2021-06-30
CN111527331B (en) 2021-11-05
DE102018104093A1 (en) 2019-08-29

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Legal Events

Date Code Title Description
R081 Change of applicant/patentee

Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE

Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE

R081 Change of applicant/patentee

Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE

Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee