Valves and Valve-gearing: A Practical Text-book for the Use of Engineers, Draughtsmen, and Students |
From inside the book
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Page 2
... necessary to consider the pressure when calculating the area of passages . An instance of the effect of this consideration may be found in a well - designed compound engine . In the high - pressure cylinder the ports may have such an ...
... necessary to consider the pressure when calculating the area of passages . An instance of the effect of this consideration may be found in a well - designed compound engine . In the high - pressure cylinder the ports may have such an ...
Page 6
... necessary to obtain the inside lap to effect the desired result . Let F and G be the points decided upon . Join F and G by the straight line FNG . Then , if this line be parallel to ST , L N is the required negative inside lap ; the ...
... necessary to obtain the inside lap to effect the desired result . Let F and G be the points decided upon . Join F and G by the straight line FNG . Then , if this line be parallel to ST , L N is the required negative inside lap ; the ...
Page 11
... necessary for lap and lead ; and further , if the valve had neither lap nor lead , the eccentric sheave would be at right angles to the crank and leading . If , to any convenient scale , BQ be made equal to the stroke of the piston ...
... necessary for lap and lead ; and further , if the valve had neither lap nor lead , the eccentric sheave would be at right angles to the crank and leading . If , to any convenient scale , BQ be made equal to the stroke of the piston ...
Page 13
... necessary outside lap for the front end of the valve . Equalisation of cut - off has been obtained at the expense of unequal port openings ( F A being the amount for the back port , and O D the amount for front port ) and unequal leads ...
... necessary outside lap for the front end of the valve . Equalisation of cut - off has been obtained at the expense of unequal port openings ( F A being the amount for the back port , and O D the amount for front port ) and unequal leads ...
Page 15
... require ports of considerable width ; and consequently , the necessary travel of the valve becomes excessive . Other things being equal ,. Scation on . UV . Section on S. T.. DOUBLE - PORTED VALVES . 15 Lead, Double-ported Valves,
... require ports of considerable width ; and consequently , the necessary travel of the valve becomes excessive . Other things being equal ,. Scation on . UV . Section on S. T.. DOUBLE - PORTED VALVES . 15 Lead, Double-ported Valves,
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Common terms and phrases
action arrangement Boilers Bremme's BRYAN DONKIN central position centre line CHARLES GRIFFIN clearance compression construction Corliss gear Corliss valve crank pin crank position Crown 8vo curve cylinder dashpot dead centre describe diameter distance double-eccentric double-ported draw dwelling angle eccentric-rod Electrical engagement equal EXETER STREET exhaust valves expansion eccentric expansion gear expansion valve extreme position Handsome Cloth horizontal inside lap intersection lap circle Large 8vo lead link BC link motion LONDON main valve Manual Marine Engineering Master Mariner Metallurgy Mining move movement negative lap pin holes piston plate point of cut-off port opening PRACTICAL PROF radius range of trip release resultant circle Revised single eccentric gears slide valve slot steam and exhaust steam valves steel catch STRAND stroke stuffing box TEXT-BOOK trip gear trip hook trip lever trip motion valve circle Valve Diagram valve gear valve lever valve spindle valve-rod vertical width wrist wrist-plate pins wrist-plate rod
Popular passages
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