GB623476A - Improvements in two-stroke cycle internal combustion engines - Google Patents

Improvements in two-stroke cycle internal combustion engines

Info

Publication number
GB623476A
GB623476A GB11648/47A GB1164847A GB623476A GB 623476 A GB623476 A GB 623476A GB 11648/47 A GB11648/47 A GB 11648/47A GB 1164847 A GB1164847 A GB 1164847A GB 623476 A GB623476 A GB 623476A
Authority
GB
United Kingdom
Prior art keywords
crank
valve
case
spring
shaft
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
GB11648/47A
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
Publication of GB623476A publication Critical patent/GB623476A/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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/06—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like the cams, or the like, rotating at a higher speed than that corresponding to the valve cycle, e.g. operating fourstroke engine valves directly from crankshaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

623,476. Two-stroke engines. MARTIN, G. W. April 30, 1947, No. 11648. Convention date, June 7, 1941. [Classes 7 (ii) and 7 (vi)] In a two-stroke engine operating by crankcase compression, the charge for each cylinder is drawn into a compartmented crank-case through a lift valve 36 which is opened outwardly against a spring 41 by a cam surface 52 on the crank-shaft ; the spring 41 allows the valve to open under excessive pressure in the crank-case. As shown the cam acts through a pivoted rocker 48, the valve axis being preferably in line with the crank-shaft axis, but it need not be so. The valve stem may have a cap if so desired, and a drainage duct 39 for deposited fuel may be provided. Flap valves are also described. In an engine having two parallel cylinders a wide central bearing partition in the crank-case may be hollowed to form a combined charge inlet passage and have opposed valve seats on which the two valves are pressed by a common helical spring, the valve being operated by face cams on crank-shaft discs.
GB11648/47A 1941-06-07 1947-04-30 Improvements in two-stroke cycle internal combustion engines Expired GB623476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US623476XA 1941-06-07 1941-06-07

Publications (1)

Publication Number Publication Date
GB623476A true GB623476A (en) 1949-05-18

Family

ID=22041879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11648/47A Expired GB623476A (en) 1941-06-07 1947-04-30 Improvements in two-stroke cycle internal combustion engines

Country Status (1)

Country Link
GB (1) GB623476A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939542C (en) * 1951-08-30 1956-02-23 Kloeckner Humboldt Deutz Ag Two-stroke diesel engine
US4945869A (en) * 1989-06-21 1990-08-07 General Motors Corporation Two cycle crankcase variable inlet timing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939542C (en) * 1951-08-30 1956-02-23 Kloeckner Humboldt Deutz Ag Two-stroke diesel engine
US4945869A (en) * 1989-06-21 1990-08-07 General Motors Corporation Two cycle crankcase variable inlet timing

Similar Documents

Publication Publication Date Title
US2302442A (en) Internal combustion engine
GB412781A (en) Improvements relating to means for varying the compression ratio of internal combustion engines
GB541779A (en) Improvements in or relating to apparatus for use in the starting of internal combustion engines of the free piston type
GB623476A (en) Improvements in two-stroke cycle internal combustion engines
US2428199A (en) Internal-combustion engine
GB695546A (en) Improvements relating to high performance air-cooled internal combustion engines
GB383866A (en) Improvements in twin cylinder internal combustion engines
GB960131A (en) An improved internal combustion engine
GB324409A (en) Improvements in valve gear for internal combustion engines
GB590854A (en) Improvements in or relating to the cylinders of internal combustion engines and the valve gear thereof
GB275765A (en) Improvements in two stroke cycle internal combustion engines
GB244327A (en) Improvements in internal combustion engines
GB471011A (en) Improvements in internal combustion engines
GB213398A (en) Improvements in two-stroke internal combustion engines
GB461862A (en) Improvements in and connected with valves of two-stroke internal combustion engines
GB143533A (en) Improvements in and relating to internal combustion engines
GB518712A (en) Improved method of working internal combustion engines
GB349069A (en) Improvements in a two-cycle internal combustion motor
GB514839A (en) Improvements in or relating to the cylinders of two-stroke internal combustion engines
GB337291A (en) Improvements in and relating to the regulation of internal combustion engines
GB521460A (en) Cylinder head for 4-stroke internal combustion engines
GB473865A (en) Improvements in and relating to four stroke cycle direct injection oil engines
GB194382A (en) Improvements in internal combustion engines
GB203609A (en) Improvements in and relating to four stroke cycle internal combustion engines
GB528170A (en) Improvements in or relating to valve mechanism for internal combustion engines