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- Q17004693 subject Q7468881.
- Q17004693 subject Q8817370.
- Q17004693 abstract "A bash valve is a valve within a piston engine, used to control the admission of the working fluid. They are directly-actuated valves, operated by contact between the piston and the valve tip.Bash valves have the advantage of great simplicity, for manufacture and operation. Their disadvantages are that their opening and closing times are relatively crudely controlled, compared to other types of valve gear.The valve is usually constructed as a circular poppet valve with a conical seat, inserted into the cylinder from the outside. A protrusion on the inside is hit by the piston as it approaches top dead centre, forcing the valve open.Bash valves are usually held closed by the pressure of fluid in the reservoir behind them. There may be a light spring to assist closing when the reservoir is empty. For this reason they are used as inlet valves, not exhaust. An exhaust bash valve would have the cylinder pressure and the piston actuation both acting to open it, with nothing to close it.".
- Q17004693 thumbnail Animation_of_Advanced_Uniflow_Steam_Engine.gif?width=300.
- Q17004693 wikiPageWikiLink Q11186321.
- Q17004693 wikiPageWikiLink Q1174773.
- Q17004693 wikiPageWikiLink Q122508.
- Q17004693 wikiPageWikiLink Q12760.
- Q17004693 wikiPageWikiLink Q1290270.
- Q17004693 wikiPageWikiLink Q1335143.
- Q17004693 wikiPageWikiLink Q1640293.
- Q17004693 wikiPageWikiLink Q1663044.
- Q17004693 wikiPageWikiLink Q1719345.
- Q17004693 wikiPageWikiLink Q178032.
- Q17004693 wikiPageWikiLink Q182453.
- Q17004693 wikiPageWikiLink Q190672.
- Q17004693 wikiPageWikiLink Q193427.
- Q17004693 wikiPageWikiLink Q201762.
- Q17004693 wikiPageWikiLink Q208443.
- Q17004693 wikiPageWikiLink Q217236.
- Q17004693 wikiPageWikiLink Q260521.
- Q17004693 wikiPageWikiLink Q3224368.
- Q17004693 wikiPageWikiLink Q486921.
- Q17004693 wikiPageWikiLink Q630010.
- Q17004693 wikiPageWikiLink Q740460.
- Q17004693 wikiPageWikiLink Q7468881.
- Q17004693 wikiPageWikiLink Q7543054.
- Q17004693 wikiPageWikiLink Q8817370.
- Q17004693 comment "A bash valve is a valve within a piston engine, used to control the admission of the working fluid. They are directly-actuated valves, operated by contact between the piston and the valve tip.Bash valves have the advantage of great simplicity, for manufacture and operation.".
- Q17004693 label "Bash valve".
- Q17004693 depiction Animation_of_Advanced_Uniflow_Steam_Engine.gif.