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GB649016A - Improvements in or relating to super-charged four-stroke internal combustion engines - Google Patents

Improvements in or relating to super-charged four-stroke internal combustion engines

Info

Publication number
GB649016A
GB649016A GB1970048A GB1970048A GB649016A GB 649016 A GB649016 A GB 649016A GB 1970048 A GB1970048 A GB 1970048A GB 1970048 A GB1970048 A GB 1970048A GB 649016 A GB649016 A GB 649016A
Authority
GB
United Kingdom
Prior art keywords
cylinders
crank
case
valve
mixture
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
GB1970048A
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.)
FREDERICK RICHARD BLEASE
Original Assignee
FREDERICK RICHARD BLEASE
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 FREDERICK RICHARD BLEASE filed Critical FREDERICK RICHARD BLEASE
Priority to GB1970048A priority Critical patent/GB649016A/en
Publication of GB649016A publication Critical patent/GB649016A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/26—Four-stroke engines characterised by having crankcase pumps
    • 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
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

649,016. Four-stroke engines. BLEASE, F. R. July 23, 1948, No. 19700. [Classes 7 (ii) and 7(vi)] In addition to the normal inlet and exhaust valves 12, combustible mixture is compressed in the crank case and delivered to the cylinders at the end of the induction stroke through a valve 23. In the twin-cylinder engine shown, tandem pistons 22 force the mixture into the cylinders alternately. The valve 23 is preferably a rotary valve which has passages arranged at right-angles for the two cylinders and rotates at quarter engine speed, the inlet valve 18 rotating at half engine speed. To increase the compression ratio in the crank-case, slotted projections thereon extend into the piston skirts and the fly-wheels have plates attached to their faces, and one or more pump cylinders may be provided to increase the crank-case pressure. Valves may be arranged so that air and mixture may be forced from the crank-case to the cylinders at alternate strokes. The fuel tank may be divided into two parts supplying carburetters 13, 17, respectively, lubricant being added to the supply for the carburetter 17.
GB1970048A 1948-07-23 1948-07-23 Improvements in or relating to super-charged four-stroke internal combustion engines Expired GB649016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1970048A GB649016A (en) 1948-07-23 1948-07-23 Improvements in or relating to super-charged four-stroke internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1970048A GB649016A (en) 1948-07-23 1948-07-23 Improvements in or relating to super-charged four-stroke internal combustion engines

Publications (1)

Publication Number Publication Date
GB649016A true GB649016A (en) 1951-01-17

Family

ID=10133741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1970048A Expired GB649016A (en) 1948-07-23 1948-07-23 Improvements in or relating to super-charged four-stroke internal combustion engines

Country Status (1)

Country Link
GB (1) GB649016A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190955A (en) * 1986-05-29 1987-12-02 Josef Petr Prokopius Four-stroke engine with additional piston-controlled intake port
GB2251888A (en) * 1991-01-19 1992-07-22 Ford Motor Co Control of hydrocarbon emission from i.c.engines
EP0587151A1 (en) * 1992-09-08 1994-03-16 Yamaha Hatsudoki Kabushiki Kaisha Supercharged internal combustion engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190955A (en) * 1986-05-29 1987-12-02 Josef Petr Prokopius Four-stroke engine with additional piston-controlled intake port
GB2251888A (en) * 1991-01-19 1992-07-22 Ford Motor Co Control of hydrocarbon emission from i.c.engines
EP0587151A1 (en) * 1992-09-08 1994-03-16 Yamaha Hatsudoki Kabushiki Kaisha Supercharged internal combustion engine
US5377634A (en) * 1992-09-08 1995-01-03 Yamaha Hatsudoki Kabushiki Kaisha Compressor system for reciprocating machine

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