GB2166799B - Improvements relating to internal combustion engines - Google Patents

Improvements relating to internal combustion engines

Info

Publication number
GB2166799B
GB2166799B GB8428622A GB8428622A GB2166799B GB 2166799 B GB2166799 B GB 2166799B GB 8428622 A GB8428622 A GB 8428622A GB 8428622 A GB8428622 A GB 8428622A GB 2166799 B GB2166799 B GB 2166799B
Authority
GB
United Kingdom
Prior art keywords
internal combustion
combustion engines
improvements relating
relating
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
GB8428622A
Other versions
GB2166799A (en
GB8428622D0 (en
Inventor
Peter William Bothwell
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 GB8428622A priority Critical patent/GB2166799B/en
Publication of GB8428622D0 publication Critical patent/GB8428622D0/en
Priority to US06/797,478 priority patent/US4858573A/en
Publication of GB2166799A publication Critical patent/GB2166799A/en
Priority claimed from EP86303651A external-priority patent/EP0245550B1/en
Application granted granted Critical
Publication of GB2166799B publication Critical patent/GB2166799B/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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F01L1/265—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder peculiar to machines or engines with three or more intake valves per cylinder
    • 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
    • F01L1/30—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of positively opened and closed valves, i.e. desmodromic valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
    • F02F1/4221—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder particularly for three or more inlet valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/20—SOHC [Single overhead camshaft]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
GB8428622A 1984-11-13 1984-11-13 Improvements relating to internal combustion engines Expired GB2166799B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8428622A GB2166799B (en) 1984-11-13 1984-11-13 Improvements relating to internal combustion engines
US06/797,478 US4858573A (en) 1984-11-13 1985-11-13 Internal combustion engines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8428622A GB2166799B (en) 1984-11-13 1984-11-13 Improvements relating to internal combustion engines
EP86303651A EP0245550B1 (en) 1986-05-14 1986-05-14 Cylinder head for an internal combustion engine

Publications (3)

Publication Number Publication Date
GB8428622D0 GB8428622D0 (en) 1984-12-19
GB2166799A GB2166799A (en) 1986-05-14
GB2166799B true GB2166799B (en) 1989-06-07

Family

ID=26104203

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8428622A Expired GB2166799B (en) 1984-11-13 1984-11-13 Improvements relating to internal combustion engines

Country Status (1)

Country Link
GB (1) GB2166799B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245550B1 (en) * 1986-05-14 1990-12-19 BOTHWELL, Peter William Cylinder head for an internal combustion engine
GB2202273B (en) * 1987-03-18 1991-04-17 Bothwell P W Internal combustion engine
FR2688544B1 (en) * 1992-03-13 1995-08-18 Matesic Alex HIGH PERFORMANCE INTERNAL COMBUSTION ENGINE WITH COMPRESSION RATE AND TURNING MOUNT OF THE ADJUSTABLE ENGINE FLYWHEEL.
DE4215056A1 (en) * 1992-05-07 1993-11-11 Audi Ag Device for the desmodromic control of the gas exchange valves of an internal combustion engine
US7878167B2 (en) 2007-08-24 2011-02-01 Decuir Jr Julian A Engine with round lobe
US7870842B2 (en) 2008-04-07 2011-01-18 Decuir Julian A Engine with desmodromically actuated rocker
US8622039B2 (en) 2010-12-22 2014-01-07 James T. Dougherty Rockerless desmodromic valve system
US9366158B1 (en) 2010-12-22 2016-06-14 James T. Dougherty Unitary cam follower and valve preload spring for a desmodromic valve mechanism

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB296125A (en) * 1927-05-26 1928-08-27 Ettore Lanzerotti Spina Improvements in and relating to the valves and valve gear of internal combustion engines
GB558779A (en) * 1943-05-19 1944-01-20 Harold Raymond Morgan Improvements in combustion chambers and overhead valve gear in internal combustion engines
GB2058913A (en) * 1979-09-04 1981-04-15 Honda Motor Co Ltd Internal combustion engine
EP0063385A2 (en) * 1981-04-22 1982-10-27 Yamaha Motor Co., Ltd. Four-cycle internal combustion engine
GB2134977A (en) * 1983-01-29 1984-08-22 Bothwell P W Internal combustion engine and cylinder head therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB296125A (en) * 1927-05-26 1928-08-27 Ettore Lanzerotti Spina Improvements in and relating to the valves and valve gear of internal combustion engines
GB558779A (en) * 1943-05-19 1944-01-20 Harold Raymond Morgan Improvements in combustion chambers and overhead valve gear in internal combustion engines
GB2058913A (en) * 1979-09-04 1981-04-15 Honda Motor Co Ltd Internal combustion engine
EP0063385A2 (en) * 1981-04-22 1982-10-27 Yamaha Motor Co., Ltd. Four-cycle internal combustion engine
GB2134977A (en) * 1983-01-29 1984-08-22 Bothwell P W Internal combustion engine and cylinder head therefor

Also Published As

Publication number Publication date
GB2166799A (en) 1986-05-14
GB8428622D0 (en) 1984-12-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941113