GB190825164A - An Improved Valve Mechanism for Internal Combustion Engines. - Google Patents

An Improved Valve Mechanism for Internal Combustion Engines.

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Publication number
GB190825164A
GB190825164A GB190825164DA GB190825164A GB 190825164 A GB190825164 A GB 190825164A GB 190825164D A GB190825164D A GB 190825164DA GB 190825164 A GB190825164 A GB 190825164A
Authority
GB
United Kingdom
Prior art keywords
valve
admission
exhaust
stroke
ports
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
Inventor
Horace John Howard
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
Application granted granted Critical
Publication of GB190825164A publication Critical patent/GB190825164A/en
Expired legal-status Critical Current

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  • Valve Device For Special Equipments (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

25,164. Howard, H. J. Nov. 23. Gas and like engines, valves and valve-gear for. A split ring B, arranged to slide within the cylinder so as to control admission, or exhaust or both, is operated by external rods F connected to trunnion pins E projecting through slots in the cylinder walls, and the movement of the valve overlaps the path of the piston so that the valve is efficiently lubricated. In the arrangement shown for a fourstroke-cycle engine, the valve controls the admission port D and exhaust port C, and is operated by cam mechanism so that it remains stationary in its mid-position with both ports closed during the compression stroke and seven-eighths of the working stroke. The valve may be moved in both directions by a grooved cam, or it may be moved in one direction by a cam, and in the other by a spring. The cam may be on an overhead shaft and may act upon a roller carried by a bridge-piece connecting the rods F, F. The positions of the admission and exhaust ports may be interchanged. In two-stroke-cycle engines, the valve may control admission only, terminal exhaust ports being overrun by the working piston; or the valve may control exhaust only, the admission being effected through ports uncovered by the working piston, or by means of the combined piston and inlet valve described in Specification No. 21,297, A.D. 1908. According to the Provisional Specification, the ring-valve may be formed without a port, its edges overrunning admission and exhaust ports respectively ; also there may be separate ring-valves for admission and exhaust in four-stroke-cycle engines; or there may be a single ring-valve controlling admission or exhaust only.
GB190825164D 1908-11-23 1908-11-23 An Improved Valve Mechanism for Internal Combustion Engines. Expired GB190825164A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190825164T 1908-11-23

Publications (1)

Publication Number Publication Date
GB190825164A true GB190825164A (en) 1909-11-23

Family

ID=32440373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190825164D Expired GB190825164A (en) 1908-11-23 1908-11-23 An Improved Valve Mechanism for Internal Combustion Engines.

Country Status (1)

Country Link
GB (1) GB190825164A (en)

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