GB2339269B - Method of manufacturing a multi-component camshaft - Google Patents

Method of manufacturing a multi-component camshaft

Info

Publication number
GB2339269B
GB2339269B GB9924916A GB9924916A GB2339269B GB 2339269 B GB2339269 B GB 2339269B GB 9924916 A GB9924916 A GB 9924916A GB 9924916 A GB9924916 A GB 9924916A GB 2339269 B GB2339269 B GB 2339269B
Authority
GB
United Kingdom
Prior art keywords
manufacturing
camshaft
component
component camshaft
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 - Lifetime
Application number
GB9924916A
Other versions
GB2339269A (en
GB9924916D0 (en
Inventor
Timothey Mark Lancefield
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 PLC
Original Assignee
Mechadyne International PLC
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 GB9708445A external-priority patent/GB2324487A/en
Application filed by Mechadyne International PLC filed Critical Mechadyne International PLC
Priority to GB9924916A priority Critical patent/GB2339269B/en
Publication of GB9924916D0 publication Critical patent/GB9924916D0/en
Publication of GB2339269A publication Critical patent/GB2339269A/en
Application granted granted Critical
Publication of GB2339269B publication Critical patent/GB2339269B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F01L13/0057—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 by splittable or deformable cams
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
GB9924916A 1997-04-26 1998-03-19 Method of manufacturing a multi-component camshaft Expired - Lifetime GB2339269B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9924916A GB2339269B (en) 1997-04-26 1998-03-19 Method of manufacturing a multi-component camshaft

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9708445A GB2324487A (en) 1997-04-26 1997-04-26 Method of manufacturing a multi-component camshaft
PCT/GB1998/000839 WO1998049429A1 (en) 1997-04-26 1998-03-19 Method of manufacturing a multi-component camshaft
GB9924916A GB2339269B (en) 1997-04-26 1998-03-19 Method of manufacturing a multi-component camshaft

Publications (3)

Publication Number Publication Date
GB9924916D0 GB9924916D0 (en) 1999-12-22
GB2339269A GB2339269A (en) 2000-01-19
GB2339269B true GB2339269B (en) 2001-05-02

Family

ID=26311447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9924916A Expired - Lifetime GB2339269B (en) 1997-04-26 1998-03-19 Method of manufacturing a multi-component camshaft

Country Status (1)

Country Link
GB (1) GB2339269B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152858A (en) * 1984-01-20 1985-08-14 Nippon Piston Ring Co Ltd Method of making a hollow cam shaft
US4660269A (en) * 1985-05-21 1987-04-28 Musashi Seimitsu Kogyo Kabushiki Kaisha Process for producing built-up camshafts
JPH07127411A (en) * 1993-11-05 1995-05-16 Unisia Jecs Corp Profile adjustable cam for internal combustion engine
EP0733154A1 (en) * 1993-12-08 1996-09-25 Mechadyne Ltd Variable valve timing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152858A (en) * 1984-01-20 1985-08-14 Nippon Piston Ring Co Ltd Method of making a hollow cam shaft
US4660269A (en) * 1985-05-21 1987-04-28 Musashi Seimitsu Kogyo Kabushiki Kaisha Process for producing built-up camshafts
JPH07127411A (en) * 1993-11-05 1995-05-16 Unisia Jecs Corp Profile adjustable cam for internal combustion engine
EP0733154A1 (en) * 1993-12-08 1996-09-25 Mechadyne Ltd Variable valve timing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Pats Abs of JP vol.95. no.8 29.9.1995 & JP 07 127 411 A UNISIAJECS CORP 16 5.1995 *

Also Published As

Publication number Publication date
GB2339269A (en) 2000-01-19
GB9924916D0 (en) 1999-12-22

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Legal Events

Date Code Title Description
S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: REQUEST FILED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 4 JULY 2012

S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: REQUEST NOT PROCEEDED WITH; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 4 JULY 2012 NOT PROCEEDED WITH ON 7 MARCH 2013

PE20 Patent expired after termination of 20 years

Expiry date: 20180318