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 27
... spring rings held in position by junk rings at each end of the valve . To prevent the rings springing into the ports diagonal bars are cast round the entrance of the latter . These bars , of course , contract the steam passage , and in ...
... spring rings held in position by junk rings at each end of the valve . To prevent the rings springing into the ports diagonal bars are cast round the entrance of the latter . These bars , of course , contract the steam passage , and in ...
Page 40
... spring , which tends to keep the plate on the face of the main valve . In order that the spindle may be passed through the valve chest when the expansion plates are in position , it is necessary to have sufficient clearance to press ...
... spring , which tends to keep the plate on the face of the main valve . In order that the spindle may be passed through the valve chest when the expansion plates are in position , it is necessary to have sufficient clearance to press ...
Page 44
... spring - loaded one . Between certain limits , any desired speed may be maintained by adjusting the helical spring in the head . Diagram for Hartnell's Expansion Gear . -No exact con- struction can be given to determine all particulars ...
... spring - loaded one . Between certain limits , any desired speed may be maintained by adjusting the helical spring in the head . Diagram for Hartnell's Expansion Gear . -No exact con- struction can be given to determine all particulars ...
Page 48
... springs to the levers carrying the weights B B can be altered ; the position of the weights themselves can be adjusted by B 49 www . B Crank - Shaft Governor Expansion 48 SLIDE EXPANSION GEARS . Crank-shaft Governor Expansion Gear,
... springs to the levers carrying the weights B B can be altered ; the position of the weights themselves can be adjusted by B 49 www . B Crank - Shaft Governor Expansion 48 SLIDE EXPANSION GEARS . Crank-shaft Governor Expansion Gear,
Page 50
... work required to move the valve passes partly through the springs . Crankshaft governors find much favour in America . The Dick and Church governor , as made by the Phoenix 50 SLIDE EXPANSION GEARS . Westinghouse Governor,
... work required to move the valve passes partly through the springs . Crankshaft governors find much favour in America . The Dick and Church governor , as made by the Phoenix 50 SLIDE EXPANSION GEARS . Westinghouse Governor,
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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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Page 28 - GENERAL CONTENTS. — Classification of different Types of Boilers — .425 Experiments on English and Foreign Boilers with their Heat Efficiencies shown in Fifty Tables — Fire Grates of Various Types — Mechanical Stokers — Combustion of Fuel in Boilers — Transmission of Heat through Boiler Plates, and their Temperature — Feed Water Heaters, Superheaters, Feed Pumps, &c.