GB2385889B - Variable valve timing control system - Google Patents

Variable valve timing control system

Info

Publication number
GB2385889B
GB2385889B GB0313741A GB0313741A GB2385889B GB 2385889 B GB2385889 B GB 2385889B GB 0313741 A GB0313741 A GB 0313741A GB 0313741 A GB0313741 A GB 0313741A GB 2385889 B GB2385889 B GB 2385889B
Authority
GB
United Kingdom
Prior art keywords
control system
timing control
variable valve
valve timing
variable
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.)
Expired - Fee Related
Application number
GB0313741A
Other versions
GB0313741D0 (en
GB2385889A (en
Inventor
Masaomi Inoue
Osamu Sato
Michio Adachi
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.)
Denso Corp
Original Assignee
Denso Corp
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
Priority claimed from JP11230431A external-priority patent/JP2001055935A/en
Priority claimed from JP33499699A external-priority patent/JP3761018B2/en
Priority claimed from JP33499799A external-priority patent/JP3674026B2/en
Priority claimed from JP34312599A external-priority patent/JP3856077B2/en
Priority claimed from JP34563899A external-priority patent/JP4103277B2/en
Application filed by Denso Corp filed Critical Denso Corp
Priority claimed from GB0020325A external-priority patent/GB2353823B/en
Publication of GB0313741D0 publication Critical patent/GB0313741D0/en
Publication of GB2385889A publication Critical patent/GB2385889A/en
Publication of GB2385889B publication Critical patent/GB2385889B/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0203—Variable control of intake and exhaust valves
    • F02D13/0215—Variable control of intake and exhaust valves changing the valve timing only
    • F02D13/0219—Variable control of intake and exhaust valves changing the valve timing only by shifting the phase, i.e. the opening periods of the valves are constant
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0242—Variable control of the exhaust valves only
    • F02D13/0249—Variable control of the exhaust valves only changing the valve timing only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/12—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end 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
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • F01L2001/3443—Solenoid driven 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
    • F01L2001/34469—Lock movement parallel to camshaft axis
    • 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
    • F01L2001/34483—Phaser return springs
    • 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
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/04—Sensors
    • F01L2820/041—Camshafts position or phase sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0261—Controlling the valve overlap
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
GB0313741A 1999-08-17 2000-08-17 Variable valve timing control system Expired - Fee Related GB2385889B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP11230431A JP2001055935A (en) 1999-08-17 1999-08-17 Variable valve timing controller for internal combustion engine
JP33499799A JP3674026B2 (en) 1999-11-25 1999-11-25 Variable valve timing control device for internal combustion engine
JP33499699A JP3761018B2 (en) 1999-11-25 1999-11-25 Control device for internal combustion engine
JP34312599A JP3856077B2 (en) 1999-12-02 1999-12-02 Variable valve timing control device for internal combustion engine
JP34563899A JP4103277B2 (en) 1999-12-06 1999-12-06 Variable valve timing control device for internal combustion engine
GB0020325A GB2353823B (en) 1999-08-17 2000-08-17 Variable valve timing control system

Publications (3)

Publication Number Publication Date
GB0313741D0 GB0313741D0 (en) 2003-07-16
GB2385889A GB2385889A (en) 2003-09-03
GB2385889B true GB2385889B (en) 2003-11-12

Family

ID=27671255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0313741A Expired - Fee Related GB2385889B (en) 1999-08-17 2000-08-17 Variable valve timing control system

Country Status (1)

Country Link
GB (1) GB2385889B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008236395B2 (en) * 2007-04-10 2012-07-05 Toyota Jidosha Kabushiki Kaisha Control unit and control method for variable valve timing mechanism, program for implementing the control method, and recording medium on which the program is recorded

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6817416B2 (en) 2000-08-17 2004-11-16 Abb Offshore Systems Limited Flow control device
JP2008261244A (en) * 2007-04-10 2008-10-30 Toyota Motor Corp Control unit and control method for variable valve timing mechanism, program for implementing its control method and recording medium on which its program is recorded
JP5288061B2 (en) 2011-04-07 2013-09-11 トヨタ自動車株式会社 Valve timing variable device
WO2012157045A1 (en) * 2011-05-13 2012-11-22 トヨタ自動車 株式会社 Variable valve timing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0799977A1 (en) * 1996-04-04 1997-10-08 Toyota Jidosha Kabushiki Kaisha Variable valve timing mechanism for internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0799977A1 (en) * 1996-04-04 1997-10-08 Toyota Jidosha Kabushiki Kaisha Variable valve timing mechanism for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008236395B2 (en) * 2007-04-10 2012-07-05 Toyota Jidosha Kabushiki Kaisha Control unit and control method for variable valve timing mechanism, program for implementing the control method, and recording medium on which the program is recorded

Also Published As

Publication number Publication date
GB0313741D0 (en) 2003-07-16
GB2385889A (en) 2003-09-03

Similar Documents

Publication Publication Date Title
GB2353823B (en) Variable valve timing control system
GB0019237D0 (en) Variable valve timing control apparatus for engines
EP1128028B8 (en) Valve timing control device
GB0023727D0 (en) Control system
IL140270A0 (en) Control system
EP1108133A4 (en) Control valve
EP1156243A4 (en) Flow control valve
EP1149235A4 (en) Control valve
EP0990826A4 (en) Control valve unit
GB2328729B (en) Control valve
GB2389628B (en) Variable valve timing system
GB2385889B (en) Variable valve timing control system
AU142807S (en) Control flow valve
GB9919943D0 (en) Control valve unit
GB2350382B (en) Valve control arrangement
GB2357380B (en) Control system
SG72969A1 (en) Control valve
GB9915213D0 (en) Control
TW392817U (en) Gas-supply control valve
GB0018939D0 (en) Control valve
GB9930874D0 (en) Control valve
GB0017528D0 (en) Control system
GB0108544D0 (en) Variable valve timing system
GB9910778D0 (en) Combined internal control valve
TW433440U (en) Flow control valve structure

Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20050210

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140817