GB288962A - Improvements in or relating to means for varying the valve timing of internal combustion engines - Google Patents

Improvements in or relating to means for varying the valve timing of internal combustion engines

Info

Publication number
GB288962A
GB288962A GB28916/27A GB2891627A GB288962A GB 288962 A GB288962 A GB 288962A GB 28916/27 A GB28916/27 A GB 28916/27A GB 2891627 A GB2891627 A GB 2891627A GB 288962 A GB288962 A GB 288962A
Authority
GB
United Kingdom
Prior art keywords
varying
valve timing
relating
internal combustion
combustion engines
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
Application number
GB28916/27A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB288962A publication Critical patent/GB288962A/en
Expired 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
    • 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
    • F01L1/34403—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 helically teethed sleeve or gear moving axially between crankshaft and 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/03—Auxiliary actuators
    • F01L2820/035—Centrifugal forces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

288,962. PÚdroso, J. L. April 16, 1927, [Convention date]. Regulating. - Angular adjustment of the cam shaft a for varying the valve timing is obtained by employing timing-gears e, f with helicoidal teeth and by moving the shaft axially. This axial movement may be effected by a centrifugal governor or by a hand lever n acting by means of a rod m and piston i upon an abutment g arranged at the end of the shaft. Separate cam shafts may be provided for the inlet and exhaust valves.
GB28916/27A 1927-04-16 1927-10-29 Improvements in or relating to means for varying the valve timing of internal combustion engines Expired GB288962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE288962X 1927-04-16

Publications (1)

Publication Number Publication Date
GB288962A true GB288962A (en) 1928-06-28

Family

ID=3867234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28916/27A Expired GB288962A (en) 1927-04-16 1927-10-29 Improvements in or relating to means for varying the valve timing of internal combustion engines

Country Status (1)

Country Link
GB (1) GB288962A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994016203A1 (en) * 1992-12-30 1994-07-21 Meta Motoren- Und Energie-Technik Gmbh Device for the variable control of the valves of internal combustion engines, especially for the chokeless load control of four-stroke engines
US11578626B2 (en) 2020-06-18 2023-02-14 Schaeffler Technologies AG & Co. KG Phasing mechanism with roller ramps

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994016203A1 (en) * 1992-12-30 1994-07-21 Meta Motoren- Und Energie-Technik Gmbh Device for the variable control of the valves of internal combustion engines, especially for the chokeless load control of four-stroke engines
US5586527A (en) * 1992-12-30 1996-12-24 Meta Motoren-Und Energie-Technik Gmbh Device for the variable control of the valves of internal combustion engines, more particularly for the throttle-free load control of 4-stroke engines
US11578626B2 (en) 2020-06-18 2023-02-14 Schaeffler Technologies AG & Co. KG Phasing mechanism with roller ramps

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