Nothing Special   »   [go: up one dir, main page]

GB2484123B - Cam summation engine valve system - Google Patents

Cam summation engine valve system

Info

Publication number
GB2484123B
GB2484123B GB201016451A GB201016451A GB2484123B GB 2484123 B GB2484123 B GB 2484123B GB 201016451 A GB201016451 A GB 201016451A GB 201016451 A GB201016451 A GB 201016451A GB 2484123 B GB2484123 B GB 2484123B
Authority
GB
United Kingdom
Prior art keywords
valve system
engine valve
cam summation
summation engine
cam
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
GB201016451A
Other versions
GB201016451D0 (en
GB2484123A (en
Inventor
Ian Methley
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.)
Mechadyne International Ltd
Original Assignee
Mechadyne International Ltd
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 Mechadyne International Ltd filed Critical Mechadyne International Ltd
Priority to GB201016451A priority Critical patent/GB2484123B/en
Publication of GB201016451D0 publication Critical patent/GB201016451D0/en
Priority to PCT/IB2011/053790 priority patent/WO2012042408A1/en
Publication of GB2484123A publication Critical patent/GB2484123A/en
Application granted granted Critical
Publication of GB2484123B publication Critical patent/GB2484123B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F01L1/34409—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 by torque-responsive means
    • 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
    • F01L1/34413—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 composite camshafts, e.g. with cams being able to move relative to the camshaft
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L13/0047—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction the movement of the valves resulting from the sum of the simultaneous actions of at least two cams, the cams being independently variable in phase in respect of each other
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L2001/0471—Assembled camshafts
    • F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L2001/0478—Torque pulse compensated camshafts
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
GB201016451A 2010-09-30 2010-09-30 Cam summation engine valve system Expired - Fee Related GB2484123B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB201016451A GB2484123B (en) 2010-09-30 2010-09-30 Cam summation engine valve system
PCT/IB2011/053790 WO2012042408A1 (en) 2010-09-30 2011-08-30 Cam summation engine valve system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201016451A GB2484123B (en) 2010-09-30 2010-09-30 Cam summation engine valve system

Publications (3)

Publication Number Publication Date
GB201016451D0 GB201016451D0 (en) 2010-11-17
GB2484123A GB2484123A (en) 2012-04-04
GB2484123B true GB2484123B (en) 2015-01-21

Family

ID=43243283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201016451A Expired - Fee Related GB2484123B (en) 2010-09-30 2010-09-30 Cam summation engine valve system

Country Status (2)

Country Link
GB (1) GB2484123B (en)
WO (1) WO2012042408A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015143484A (en) * 2014-01-31 2015-08-06 株式会社ミクニ Hydraulic circuit of internal combustion engine
WO2016119675A1 (en) * 2015-01-30 2016-08-04 天津潜景技术咨询有限公司 Electric cam valve driving mechanism having double springs
US10072537B2 (en) 2015-07-23 2018-09-11 Husco Automotive Holdings Llc Mechanical cam phasing system and methods
CN114215622B (en) 2017-01-20 2023-07-14 胡斯可汽车控股有限公司 Cam phasing system
US10900387B2 (en) 2018-12-07 2021-01-26 Husco Automotive Holdings Llc Mechanical cam phasing systems and methods
US12098661B2 (en) 2022-11-02 2024-09-24 Husco Automotive Holdings Llc Cam phase actuator control systems and methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6186104B1 (en) * 1998-10-08 2001-02-13 Unisia Jecs Corporation Variable valve timing controlling apparatus for internal combustion engine
US6192842B1 (en) * 1998-10-08 2001-02-27 INA Wälzlager Schaeffler oHG Valve timing control apparatus of an internal combustion engine
WO2001066915A2 (en) * 2000-03-08 2001-09-13 Stiwa-Fertigungstechnik Sticht Gesellschaft M.B.H. Adjustment and locating device with clamping elements for a camshaft adjusting device
US20020043231A1 (en) * 2000-08-09 2002-04-18 Mitsubishi Denki Kabushiki Kaisha Valve timing adjusting apparatus for internal combustion engine
US20100175648A1 (en) * 2009-01-09 2010-07-15 Ford Global Technologies, Llc Mechanical variable camshaft timing device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2727180B1 (en) * 1994-11-18 1997-01-17 Renault DEVICE FOR BALANCING A CAMSHAFT OF AN INTERNAL COMBUSTION ENGINE
JP3488585B2 (en) * 1996-12-19 2004-01-19 トヨタ自動車株式会社 Valve train for internal combustion engine
GB2354814A (en) 1999-09-29 2001-04-04 Mechadyne Internat Plc Phase change mechanism
GB2378729A (en) 2001-08-18 2003-02-19 Mechadyne Plc Adjustable engine valve control system
DE10143794C1 (en) * 2001-09-06 2003-01-23 Manfred Schindler Device for changing phase position of cam shaft for operating gas change valves in combustion engines includes spring biased clamping bodies encapsulated in chambers into which control fluid circuits open fed through oil circuit
US20040250648A1 (en) * 2003-06-16 2004-12-16 Borgwarner Inc. Method of using compression springs to create a desired torsional load
DE10352362A1 (en) * 2003-11-10 2005-06-09 Ina-Schaeffler Kg Camshaft displacement system for internal combustion engine, has double free wheel driven by hydraulic motor, where wheel permits displacement of camshaft only in direction of rotation of wheel and stops its rotation in opposite direction
GB2424256A (en) * 2005-03-16 2006-09-20 Mechadyne Ltd SCP assembly with spring mounted on camshaft rather than within phaser housing
GB2432645B (en) 2005-11-28 2010-12-29 Mechadyne Plc Variable phase drive coupling
GB2438628A (en) * 2006-05-31 2007-12-05 Mechadyne Plc Engine with variable valve actuating mechanism
US7861682B2 (en) * 2007-10-25 2011-01-04 Ford Global Technologies, Llc Systems and methods for managing camshaft torsional loading

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6186104B1 (en) * 1998-10-08 2001-02-13 Unisia Jecs Corporation Variable valve timing controlling apparatus for internal combustion engine
US6192842B1 (en) * 1998-10-08 2001-02-27 INA Wälzlager Schaeffler oHG Valve timing control apparatus of an internal combustion engine
WO2001066915A2 (en) * 2000-03-08 2001-09-13 Stiwa-Fertigungstechnik Sticht Gesellschaft M.B.H. Adjustment and locating device with clamping elements for a camshaft adjusting device
US20020043231A1 (en) * 2000-08-09 2002-04-18 Mitsubishi Denki Kabushiki Kaisha Valve timing adjusting apparatus for internal combustion engine
US20100175648A1 (en) * 2009-01-09 2010-07-15 Ford Global Technologies, Llc Mechanical variable camshaft timing device

Also Published As

Publication number Publication date
WO2012042408A1 (en) 2012-04-05
GB201016451D0 (en) 2010-11-17
GB2484123A (en) 2012-04-04

Similar Documents

Publication Publication Date Title
EP2646661A4 (en) Snap-action valve for exhaust system
GB2482416B (en) Valves
GB2487747B (en) An engine system
EP2687763A4 (en) Valve system
HK1159594A1 (en) Fuel valve
GB0915506D0 (en) Engine valve system
EP2426324A4 (en) Engine intake system
GB201100980D0 (en) Valve timing adjuster
EP2634403A4 (en) Engine system
GB2484123B (en) Cam summation engine valve system
EP2639430A4 (en) Engine
EP2671008A4 (en) Valve system
GB2493987B (en) An engine system
EP2584257A4 (en) Combustion system
EP2532856A4 (en) Working-gas-circulation-type engine
GB201122191D0 (en) Improved cryogenic engine system
GB201012205D0 (en) Valves
PL2915965T3 (en) Engine valve
HK1163046A1 (en) Fuel valve
EP2634410A4 (en) Engine system
GB2484338B (en) Valve
EP2655815A4 (en) Rockerless desmodromic valve system
EP2799161A4 (en) Engine valve forging system
GB201017089D0 (en) Single connector isolation valve range
AU2012902952A0 (en) Valve for an internal combustion system

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130718 AND 20130724

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170930