Joy valve gear
id:
joy-valve-gear-198-12899430
title:
Joy valve gear
text:
Joy valve gear is a type of steam locomotive valve gear, designed by David Joy, Locomotive and Marine engineer, and patented on 8 March 1879. The British patent has not been found but the US patent has. Joy's gear is similar to Hackworth valve gear but has a compensating mechanism which corrects for "the slight inequality in the motion of the valve arising from the arc of the lever". The drawing (right) shows the Joy gear as applied to a London and North Western Railway locomotive. The US patent
brand slug:
wiki
category slug:
encyclopedia
description:
Valve gear for steam engines
original url:
https://en.wikipedia.org/wiki/Joy_valve_gear
date created:
date modified:
2024-03-29T19:44:43Z
main entity:
{"identifier":"Q4345786","url":"https://www.wikidata.org/entity/Q4345786"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/8/8a/Joyvalvegear.png","width":910,"height":430}
fields total:
13
integrity:
15