GB680357A - Improvements in crank-case compression, internal-combustion engines - Google Patents

Improvements in crank-case compression, internal-combustion engines

Info

Publication number
GB680357A
GB680357A GB3313449A GB3313449A GB680357A GB 680357 A GB680357 A GB 680357A GB 3313449 A GB3313449 A GB 3313449A GB 3313449 A GB3313449 A GB 3313449A GB 680357 A GB680357 A GB 680357A
Authority
GB
United Kingdom
Prior art keywords
crankcase
crank
valve
mixture
port
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
GB3313449A
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.)
CAMFIELD Manufacturing Co
Original Assignee
CAMFIELD Manufacturing Co
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 CAMFIELD Manufacturing Co filed Critical CAMFIELD Manufacturing Co
Priority to GB3313449A priority Critical patent/GB680357A/en
Publication of GB680357A publication Critical patent/GB680357A/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
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/26—Cylinder heads having cooling means
    • F02F1/28—Cylinder heads having cooling means for air cooling
    • F02F1/30—Finned cylinder heads
    • F02F1/305—Finned cylinder heads the cylinder heads being of side valve type
    • 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
    • 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
    • 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
    • F02B75/02—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

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

680,357. Valves; valve-gear. CAMFIELD MANUFACTURING CO. Dec. 28, 1949. No. 33134/49. Classes 7 (ii), 7 (iii), and 7 (vi). In a two-stroke crankcase compression engine, the compressed mixture is transferred from the crankcase to the engine cylinder through a passage 34 and ports 35 in the crank-shaft 13 and passages 29, 28 surrounding the stem 26 of the inlet valve 31 actuated by a cam 33 on the crank-shaft, the mixture, containing atomised lubricant picked up in the crankcase, acting to cool and lubricate the valve and cam mechanism. The mixture from a carburettor 41 enters the crankcase through a rotary valve 15 which is seated in an end-cap 14 of the crankcase and comprises a tubular portion, with a port 45 controlling the mixture intake port 46 and a port 52 leading to the'crankcase, attached to a driving disc 48 connected for rotation by a pin 49 to the crank-pin 21. A spring 51 holds the plate against the wall of the cap 14, and the poppet valve stem 26 and tappet 32 slide in bores formed in the cylinder block.
GB3313449A 1949-12-28 1949-12-28 Improvements in crank-case compression, internal-combustion engines Expired GB680357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3313449A GB680357A (en) 1949-12-28 1949-12-28 Improvements in crank-case compression, internal-combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3313449A GB680357A (en) 1949-12-28 1949-12-28 Improvements in crank-case compression, internal-combustion engines

Publications (1)

Publication Number Publication Date
GB680357A true GB680357A (en) 1952-10-01

Family

ID=10348983

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3313449A Expired GB680357A (en) 1949-12-28 1949-12-28 Improvements in crank-case compression, internal-combustion engines

Country Status (1)

Country Link
GB (1) GB680357A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE959598C (en) * 1953-02-26 1957-03-07 Martin Stolle Four-stroke internal combustion engine
FR2604478A1 (en) * 1986-09-26 1988-04-01 Plastic Eng Techn Corp INTERNAL COMBUSTION ENGINE, PARTICULARLY ALLOWING THE USE OF PLASTIC MATERIALS IN ITS CONSTRUCTION

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE959598C (en) * 1953-02-26 1957-03-07 Martin Stolle Four-stroke internal combustion engine
FR2604478A1 (en) * 1986-09-26 1988-04-01 Plastic Eng Techn Corp INTERNAL COMBUSTION ENGINE, PARTICULARLY ALLOWING THE USE OF PLASTIC MATERIALS IN ITS CONSTRUCTION
GB2195396A (en) * 1986-09-26 1988-04-07 Plastic Eng Techn Corp Internal combustion engine

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