GB2022699B - Crankcase scavenged twostroke internal combustion engine - Google Patents

Crankcase scavenged twostroke internal combustion engine

Info

Publication number
GB2022699B
GB2022699B GB7916299A GB7916299A GB2022699B GB 2022699 B GB2022699 B GB 2022699B GB 7916299 A GB7916299 A GB 7916299A GB 7916299 A GB7916299 A GB 7916299A GB 2022699 B GB2022699 B GB 2022699B
Authority
GB
United Kingdom
Prior art keywords
combustion engine
internal combustion
crankcase scavenged
twostroke
twostroke internal
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
GB7916299A
Other versions
GB2022699A (en
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.)
Queens University of Belfast
Original Assignee
Queens University of Belfast
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 Queens University of Belfast filed Critical Queens University of Belfast
Priority to GB7916299A priority Critical patent/GB2022699B/en
Publication of GB2022699A publication Critical patent/GB2022699A/en
Application granted granted Critical
Publication of GB2022699B publication Critical patent/GB2022699B/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
    • F02B33/44—Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/20—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
    • F02B25/22—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18 by forming air cushion between charge and combustion residues
    • 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
    • F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
    • 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
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/20—Multi-cylinder engines with cylinders all in one line
    • 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
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1808—Number of cylinders two
    • 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
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
    • F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
GB7916299A 1978-05-12 1979-05-10 Crankcase scavenged twostroke internal combustion engine Expired GB2022699B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7916299A GB2022699B (en) 1978-05-12 1979-05-10 Crankcase scavenged twostroke internal combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1912878 1978-05-12
GB7916299A GB2022699B (en) 1978-05-12 1979-05-10 Crankcase scavenged twostroke internal combustion engine

Publications (2)

Publication Number Publication Date
GB2022699A GB2022699A (en) 1979-12-19
GB2022699B true GB2022699B (en) 1982-11-03

Family

ID=26253871

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7916299A Expired GB2022699B (en) 1978-05-12 1979-05-10 Crankcase scavenged twostroke internal combustion engine

Country Status (1)

Country Link
GB (1) GB2022699B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333425A (en) * 1980-12-29 1982-06-08 Brunswick Corporation Fuel system for a two-cycle engine
DE3305286A1 (en) * 1982-02-17 1983-09-01 National Research Development Corp., London IMPROVEMENTS IN LAYERED COMBUSTION ENGINES
GB2130642B (en) * 1982-10-09 1986-02-05 Nippon Clean Engine Res A stratified charge two-stroke internal-combustion engine
GB2142085B (en) * 1983-04-28 1987-02-18 Univ Belfast Two-stroke crankcase compression engine
US4481910A (en) * 1983-12-29 1984-11-13 Brunswick Corporation Stratified-charge two-stroke cycle engine
US4481911A (en) * 1983-12-29 1984-11-13 Brunswick Corporation Stratified-charge cross-flow scavenged two-stroke cycle engine
US4708100A (en) * 1986-12-29 1987-11-24 Industrial Technology Research Institute Two-stroke engine with injected fuel gasifying chamber in piston
FR2609498B1 (en) * 1987-01-14 1993-05-14 Thery Georges COMBUSTION CHAMBER OF A 2-STROKE RECIPROCATING ENGINE AND APPLIED ENGINE
US4899698A (en) * 1987-10-30 1990-02-13 Georges Thery Combustion chamber for two-stroke reciprocating engine, and and engine making use thereof
GB8906279D0 (en) * 1989-03-18 1989-05-04 Hooper Bernard Internal combustion engine
JP2876563B2 (en) * 1990-07-31 1999-03-31 ヤマハ発動機株式会社 Two-cycle diesel engine
JPH07224666A (en) * 1994-02-07 1995-08-22 Sanshin Ind Co Ltd V-type multi-cylinder two-cycle engine
GB9412181D0 (en) * 1994-06-17 1994-08-10 Ricardo Consulting Eng Crankcase scavenged two-stroke engines
JP3035774B2 (en) * 1997-11-18 2000-04-24 敏二 木下 Air-conditioning two-stroke engine
DE19900445A1 (en) 1999-01-08 2000-07-13 Stihl Maschf Andreas Two-stroke engine with flushing template
WO2001051785A1 (en) 2000-01-14 2001-07-19 Aktiebolaget Electrolux Two-stroke internal combustion engine
US7082910B2 (en) 1999-01-19 2006-08-01 Aktiebolaget Electrolux Two-stroke internal combustion engine
SE513446C2 (en) 1999-01-19 2000-09-11 Electrolux Ab Crankcase coil internal combustion engine of two stroke type
SE0000095L (en) 2000-01-14 2001-07-15 Electrolux Ab Damper for regulating auxiliary air for two-stroke internal combustion engines
BR0016931A (en) * 2000-01-14 2002-11-19 Electrolux Ab Two-stroke internal combustion engine
DE60025354T2 (en) 2000-04-27 2006-09-28 Aktiebolaget Electrolux TWO-STROKE INTERNAL COMBUSTION ENGINE
JP6035197B2 (en) * 2013-04-30 2016-11-30 株式会社マキタ Stratified scavenging two-stroke engine
JP6042767B2 (en) * 2013-04-30 2016-12-14 株式会社マキタ Stratified scavenging two-stroke engine

Also Published As

Publication number Publication date
GB2022699A (en) 1979-12-19

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Legal Events

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