GB461472A - Improvements relating to four-stroke internal-combustion engines having sleeve and piston valves - Google Patents

Improvements relating to four-stroke internal-combustion engines having sleeve and piston valves

Info

Publication number
GB461472A
GB461472A GB1125836A GB1125836A GB461472A GB 461472 A GB461472 A GB 461472A GB 1125836 A GB1125836 A GB 1125836A GB 1125836 A GB1125836 A GB 1125836A GB 461472 A GB461472 A GB 461472A
Authority
GB
United Kingdom
Prior art keywords
valve
exhaust
ports
cylinder
piston
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
GB1125836A
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.)
ALBANO BONFA
Original Assignee
ALBANO BONFA
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 ALBANO BONFA filed Critical ALBANO BONFA
Priority to GB1125836A priority Critical patent/GB461472A/en
Publication of GB461472A publication Critical patent/GB461472A/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
    • F01L5/00—Slide valve-gear or valve-arrangements
    • F01L5/04—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves
    • F01L5/06—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves surrounding working cylinder or piston
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

461,472. Four-stroke engines; valves; regulating. BONFA, A. April 20, 1936, No.11258. [Classes 7 (ii) and 7 (vi)] In engines having a piston valve and sleeve valve reciprocating in a cylinder at the side of the working cylinder, as described in Specification 418,616, the common inlet and exhaust port 7 leading from the working cylinder 3 to the valve cylinder 4, and the auxiliary exhaust port 11 leading into the valve cylinder, are brought nearer together by providing a passage 8 connecting the port 11 to the auxiliary exhaust port 9 opening into the working cylinder. Fig. 1 shows the main piston 5, valve piston 17, and sleeve valve 16 at the time the auxiliary exhaust is occurring through ports and passages 9, 8, 11, 20, 18, 21, 14. The main exhaust takes place through ports 7, 20, and 19 leading to an outlet, not shown. Fig. 2 shows the position of the parts towards the end of the suction stroke, the inlet of the charge taking place from above the piston valve through the ports 20 and 7, while some of the auxiliary exhaust is returned to the working cylinder by way of ports 14, 21, and 15 which is in communication with the port 7. This readmission of exhaust gases is especially used at low speeds, or high speeds, or high altitudes, a throttle valve being provided in the auxiliary exhaust passage for regulating the pressure therein, and consequently the amount of exhaust readmitted.
GB1125836A 1936-04-20 1936-04-20 Improvements relating to four-stroke internal-combustion engines having sleeve and piston valves Expired GB461472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1125836A GB461472A (en) 1936-04-20 1936-04-20 Improvements relating to four-stroke internal-combustion engines having sleeve and piston valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1125836A GB461472A (en) 1936-04-20 1936-04-20 Improvements relating to four-stroke internal-combustion engines having sleeve and piston valves

Publications (1)

Publication Number Publication Date
GB461472A true GB461472A (en) 1937-02-17

Family

ID=9982913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1125836A Expired GB461472A (en) 1936-04-20 1936-04-20 Improvements relating to four-stroke internal-combustion engines having sleeve and piston valves

Country Status (1)

Country Link
GB (1) GB461472A (en)

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