EP2966272A3 - Valve timing control device with mid lock directional supply and cam torsional recirculation - Google Patents

Valve timing control device with mid lock directional supply and cam torsional recirculation Download PDF

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Publication number
EP2966272A3
EP2966272A3 EP15175428.0A EP15175428A EP2966272A3 EP 2966272 A3 EP2966272 A3 EP 2966272A3 EP 15175428 A EP15175428 A EP 15175428A EP 2966272 A3 EP2966272 A3 EP 2966272A3
Authority
EP
European Patent Office
Prior art keywords
valve timing
timing control
control device
recirculation
rotor
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
EP15175428.0A
Other languages
German (de)
French (fr)
Other versions
EP2966272A2 (en
EP2966272B1 (en
Inventor
Udo Diederichs
Günther Benischek
Melissa Mei König
John Snyder
Steve NANCE
Daniel Stanhope
Kenneth Parker
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.)
Hilite Germany GmbH
Original Assignee
Hilite Germany 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 Hilite Germany GmbH filed Critical Hilite Germany GmbH
Publication of EP2966272A2 publication Critical patent/EP2966272A2/en
Publication of EP2966272A3 publication Critical patent/EP2966272A3/en
Application granted granted Critical
Publication of EP2966272B1 publication Critical patent/EP2966272B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34453—Locking means between driving and driven members
    • F01L2001/34456—Locking in only one position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34453—Locking means between driving and driven members
    • F01L2001/34463—Locking position intermediate between most retarded and most advanced positions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34453—Locking means between driving and driven members
    • F01L2001/34469—Lock movement parallel to camshaft axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

Die Erfindung betrifft eine Ventilzeitsteuer-Steuervorrichtung, nämlich ein Nockenwellenversteller für eine Brennkraftmaschine. Die Ventilzeitsteuer-Steuervorrichtung weist einen Rotor (10,210), der mit einer Nockenwelle verbunden ist und mehrere Flügel hat, auf. Ein Stator (240,40) greift mit dem Rotor (10,210) ein und weist mehrere Stege (46) auf. Druckkammern (60) sind jeweils zwischen den Stegen (46) und Flügeln vorgesehen. Der Nockenwellenversteller ist ausgelegt, um sich automatisch zu seiner Mittenverriegelungsposition zu platzieren, ohne auf eine elektrische Steuerung zurückgreifen zu müssen. Mindestens eine Ausführungsform der vorliegenden Erfindung ist ausgelegt, um Nockendrehmoment zu verwenden, um Öl von einer Seite der Flügel des Rotors (10,210) zu der anderen rückzuführen.

Figure imgaf001
The invention relates to a valve timing control device, namely a camshaft adjuster for an internal combustion engine. The valve timing control apparatus has a rotor (10, 210) connected to a camshaft and having a plurality of vanes. A stator (240, 40) engages with the rotor (10, 210) and has a plurality of webs (46). Pressure chambers (60) are each provided between the webs (46) and wings. The phaser is designed to automatically position itself to its center locked position without resorting to electrical control. At least one embodiment of the present invention is configured to use cam torque to return oil from one side of the vanes of the rotor (10,210) to the other.
Figure imgaf001
EP15175428.0A 2014-07-10 2015-07-06 Valve timing control device with mid lock directional supply and cam torsional recirculation Not-in-force EP2966272B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462022963P 2014-07-10 2014-07-10
US14/743,599 US9784143B2 (en) 2014-07-10 2015-06-18 Mid lock directional supply and cam torsional recirculation

Publications (3)

Publication Number Publication Date
EP2966272A2 EP2966272A2 (en) 2016-01-13
EP2966272A3 true EP2966272A3 (en) 2016-02-17
EP2966272B1 EP2966272B1 (en) 2017-08-30

Family

ID=53672994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15175428.0A Not-in-force EP2966272B1 (en) 2014-07-10 2015-07-06 Valve timing control device with mid lock directional supply and cam torsional recirculation

Country Status (3)

Country Link
US (1) US9784143B2 (en)
EP (1) EP2966272B1 (en)
DE (1) DE102015110838A1 (en)

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US10041385B2 (en) 2016-03-14 2018-08-07 ECO Holding 1 GmbH Piston for a hydraulic valve for a cam phaser and hydraulic valve for the cam phaser
US11015491B2 (en) * 2016-08-24 2021-05-25 Borgwarner Inc. Mechanism for locking a variable cam timing device
US10883395B2 (en) * 2016-08-29 2021-01-05 Delphi Technologies Ip Limited Hydraulically biased camshaft phaser
WO2018128860A1 (en) * 2017-01-03 2018-07-12 Gkn Sinter Metals, Llc Rotor and method of manufacturing rotor with equalized surface areas for grinding
US10612430B2 (en) 2017-06-20 2020-04-07 ECO Holding 1 GmbH Oil control valve to control a cam phaser with a spool positioned by external actuator
DE102017115237A1 (en) 2017-07-07 2019-01-10 ECO Holding 1 GmbH Hydraulic valve, in particular for a camshaft adjuster of a camshaft and non-return valve
US20190063270A1 (en) * 2017-08-31 2019-02-28 Delphi Technologies Ip Limited Camshaft phaser
US10502100B2 (en) * 2017-09-15 2019-12-10 ECO Holding 1 GmbH Cam phaser
US10760454B2 (en) * 2017-09-19 2020-09-01 ECO Holding 1 GmbH Oil control valve to control a cam phaser with a spool positioned by an external actuator and having a groove
EP3460209B1 (en) 2017-09-19 2021-05-26 ECO Holding 1 GmbH Oil control valve for controlling a camshaft adjuster with a piston positioned by an external actuator
US11459220B2 (en) * 2017-11-30 2022-10-04 Danfoss Power Solution II Technology A/S Hydraulic system with load sense and methods thereof
US10662827B2 (en) * 2018-02-21 2020-05-26 ECO Holding 1 GmbH Center bolt oil control valve to control a cam phaser with a calibration cap having a pressure check valve and filter
US10883616B2 (en) * 2019-02-06 2021-01-05 ECO Holding 1 GmbH Control valve for cam phaser and method for mounting the control valve
US11585247B2 (en) 2020-06-14 2023-02-21 Schaeffler Technologies AG & Co. KG Recirculating hydraulic fluid control valve
US11326703B2 (en) * 2020-10-02 2022-05-10 ECO Holding 1 GmbH Oil control valve for a cam phaser of an internal combustion engine and a cam phaser comprising an oil control valve
US11560814B1 (en) * 2022-01-21 2023-01-24 Schaeffler Technologies AG & Co. KG Recirculating hydraulic fluid control valve

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EP2711511A2 (en) * 2012-09-21 2014-03-26 Hilite Germany GmbH Zentriernut für einen Verbrennungsmotor

Also Published As

Publication number Publication date
DE102015110838A1 (en) 2016-01-14
EP2966272A2 (en) 2016-01-13
US9784143B2 (en) 2017-10-10
EP2966272B1 (en) 2017-08-30
US20160010515A1 (en) 2016-01-14

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