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
... direction . It is a common practice , when first setting vertical engines to work , to give on the top side half the lead given on the bottom end . Point of Cut - off . - The percentage of cut - off with a common slide valve may be from ...
... direction . It is a common practice , when first setting vertical engines to work , to give on the top side half the lead given on the bottom end . Point of Cut - off . - The percentage of cut - off with a common slide valve may be from ...
Page 4
... direction of the arrow . Taking a case in which there is no inside lap , at crank position LS , the valve is in its central position , as previously explained ; and it is evident that when it is in this position the valve is about to ...
... direction of the arrow . Taking a case in which there is no inside lap , at crank position LS , the valve is in its central position , as previously explained ; and it is evident that when it is in this position the valve is about to ...
Page 11
... direction of rotation , or rather the direction in which the steam distribution is traced ; and although the eccentric is spoken of as being at E M , it should be remembered that this is its position relative to the real position of the ...
... direction of rotation , or rather the direction in which the steam distribution is traced ; and although the eccentric is spoken of as being at E M , it should be remembered that this is its position relative to the real position of the ...
Page 17
... direction will destroy this connection ; and the piston , continuing its down stroke , will compress the steam remaining in the cylinder and port at the bottom end . When it is remembered that the terminal pressure of most condensing ...
... direction will destroy this connection ; and the piston , continuing its down stroke , will compress the steam remaining in the cylinder and port at the bottom end . When it is remembered that the terminal pressure of most condensing ...
Page 19
... direction of rotation being that indicated . The corresponding position of the piston is A. Make EF equal to the desired cover of the valve before communication takes place . HF is the crank position , and B the piston position when ...
... direction of rotation being that indicated . The corresponding position of the piston is A. Make EF equal to the desired cover of the valve before communication takes place . HF is the crank position , and B the piston position when ...
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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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