GB511903A - Control of valve mechanism of internal combustion engines - Google Patents

Control of valve mechanism of internal combustion engines

Info

Publication number
GB511903A
GB511903A GB3181438A GB3181438A GB511903A GB 511903 A GB511903 A GB 511903A GB 3181438 A GB3181438 A GB 3181438A GB 3181438 A GB3181438 A GB 3181438A GB 511903 A GB511903 A GB 511903A
Authority
GB
United Kingdom
Prior art keywords
piston
control
internal combustion
spring
engine speed
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
GB3181438A
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
Priority to GB3181438A priority Critical patent/GB511903A/en
Publication of GB511903A publication Critical patent/GB511903A/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
    • F01L1/348—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 means acting on timing belts or chains

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

511,903. Regulating. READ, B. Feb. 24, 1938, No. 31814. Divided out of 511,853. [Class 7 (vi)] The overall inlet or exhaust period, or both, are varied by the use of two cam shafts both angularly adjustable by hydraulic means dependent upon the engine speed. Fig. 1 shows a hydraulic cylinder and piston 63, 64 for adjusting the sprocket 51 of a chain drive 47 for driving two cam shafts 45, 46 as described in Specification 511,853. Oil under pressure, for example, from the lubrication system is supplied at 66 and, as the engine speed rises, forces out the piston 64 against a spring 67, whereby one shaft is advanced and the other retarded. A pressure-relief valve 70 closed by a spring. 71 may be provided. In addition, a thermostatically controlled relief valve may be provided to compensate for the varying viscosity of the oil.
GB3181438A 1938-02-24 1938-02-24 Control of valve mechanism of internal combustion engines Expired GB511903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3181438A GB511903A (en) 1938-02-24 1938-02-24 Control of valve mechanism of internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3181438A GB511903A (en) 1938-02-24 1938-02-24 Control of valve mechanism of internal combustion engines

Publications (1)

Publication Number Publication Date
GB511903A true GB511903A (en) 1939-08-25

Family

ID=10328810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3181438A Expired GB511903A (en) 1938-02-24 1938-02-24 Control of valve mechanism of internal combustion engines

Country Status (1)

Country Link
GB (1) GB511903A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198787A (en) * 1986-10-16 1988-06-22 Honda Motor Co Ltd I.C. engine valve timing control
US4793296A (en) * 1987-01-30 1988-12-27 Honda Giken Kogyo Kabushiki Kaisha Valve operating mechanism for internal combustion engine
US4848285A (en) * 1986-10-15 1989-07-18 Honda Giken Kogyo Kabushiki Kaisha Valve operating apparatus for an internal combustion engine
US4887563A (en) * 1986-10-16 1989-12-19 Honda Giken Kogyo Kabushiki Kaisha Valve operating apparatus for an internal combustion engine
US4905639A (en) * 1986-10-23 1990-03-06 Honda Giken Kogyo Kabushiki Kaisha Valve operating apparatus for an internal combustion engine
US4907550A (en) * 1986-10-23 1990-03-13 Honda Giken Kogyo Kabushiki Kaisha Apparatus for changing operation timing of valves for internal combustion engine
US4962732A (en) * 1987-07-13 1990-10-16 Honda Giken Kogyo Kabushiki Kaisha Valve operating device for internal combustion engine
FR2655375A1 (en) * 1989-12-04 1991-06-07 Moissonnier Thierry Timing device for naturally-aspirated four-stroke engines

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4848285A (en) * 1986-10-15 1989-07-18 Honda Giken Kogyo Kabushiki Kaisha Valve operating apparatus for an internal combustion engine
GB2198787A (en) * 1986-10-16 1988-06-22 Honda Motor Co Ltd I.C. engine valve timing control
US4887563A (en) * 1986-10-16 1989-12-19 Honda Giken Kogyo Kabushiki Kaisha Valve operating apparatus for an internal combustion engine
GB2198787B (en) * 1986-10-16 1991-04-24 Honda Motor Co Ltd Valve operating apparatus of internal combustion engine
US4905639A (en) * 1986-10-23 1990-03-06 Honda Giken Kogyo Kabushiki Kaisha Valve operating apparatus for an internal combustion engine
US4907550A (en) * 1986-10-23 1990-03-13 Honda Giken Kogyo Kabushiki Kaisha Apparatus for changing operation timing of valves for internal combustion engine
US4793296A (en) * 1987-01-30 1988-12-27 Honda Giken Kogyo Kabushiki Kaisha Valve operating mechanism for internal combustion engine
US4962732A (en) * 1987-07-13 1990-10-16 Honda Giken Kogyo Kabushiki Kaisha Valve operating device for internal combustion engine
FR2655375A1 (en) * 1989-12-04 1991-06-07 Moissonnier Thierry Timing device for naturally-aspirated four-stroke engines

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