GB356919A - Improvements in valve mechanism for four stroke cycle double acting internal combustion engines - Google Patents

Improvements in valve mechanism for four stroke cycle double acting internal combustion engines

Info

Publication number
GB356919A
GB356919A GB2533930A GB2533930A GB356919A GB 356919 A GB356919 A GB 356919A GB 2533930 A GB2533930 A GB 2533930A GB 2533930 A GB2533930 A GB 2533930A GB 356919 A GB356919 A GB 356919A
Authority
GB
United Kingdom
Prior art keywords
valves
intake
chambers
cam
cylinder
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
GB2533930A
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
Priority to GB2533930A priority Critical patent/GB356919A/en
Publication of GB356919A publication Critical patent/GB356919A/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
    • F01L1/12—Transmitting gear between valve drive and valve
    • 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
    • F02B75/002—Double acting 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
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Abstract

356,919. Fourstroke engines. COX, F. J., Las Palomas, New Mexico, U.S.A. Aug. 25, 1930, No. 25339. [Classes 7 (ii) and 7 (vi).] Valve gear.-The intake and exhaust valves for the upper combustion chambers are operated through push rods, and the intake and exhaust valves of the lower chamber are operated through rocker arms, a single cam being provided on one cam shaft for actuating the upper and lower intake valves of each cylinder, and a single cam on a second shaft actuating the upper and lower exhaust valve of each cylinder, while the respective push rod and rocker arm contact with the corresponding cam at points 90‹ apart. As shown in Figs. 1 and 3, a four-cylinder engine is used and the upper and lower cylinder heads 12, 13 have each a pair of intake ports 14 and exhaust ports 15 controlled by poppet valves 16, 17. The poppet valves of the upper head are actuated by rocker arms 20 through push rods 21 from two cam shafts 23, driven in opposite directions at half speed. The poppet valves of the lower head are operated by rocker arms divided into two groups, namely 27 for the chambers 7, 8, and 29, Fig. 4, for the chambers 5, 6. By this means the timing of the cycles in the chambers is varied. Pumps 33 convey lubricating-fluid through a passage to the circumference of the pistons.
GB2533930A 1930-08-25 1930-08-25 Improvements in valve mechanism for four stroke cycle double acting internal combustion engines Expired GB356919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2533930A GB356919A (en) 1930-08-25 1930-08-25 Improvements in valve mechanism for four stroke cycle double acting internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2533930A GB356919A (en) 1930-08-25 1930-08-25 Improvements in valve mechanism for four stroke cycle double acting internal combustion engines

Publications (1)

Publication Number Publication Date
GB356919A true GB356919A (en) 1931-09-17

Family

ID=10226067

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2533930A Expired GB356919A (en) 1930-08-25 1930-08-25 Improvements in valve mechanism for four stroke cycle double acting internal combustion engines

Country Status (1)

Country Link
GB (1) GB356919A (en)

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